{% extends "base.html" %}

{% block title %}System Administration{% endblock %}

{% block bridge_css %}{% endblock %}

{% block content %}
<div class="max-w-full px-4 sm:px-6 lg:px-8">
    <div class="flex flex-wrap -mx-4 mb-6">
        <div class="w-full md:w-1/4 px-4 mb-4">
            <div class="bg-white dark:bg-neutral-800 rounded-lg shadow border border-primary-200 dark:border-primary-700">
                <div class="p-4 text-center">
                    <div id="system-status" class="text-4xl mb-2">
                        <i class="fas fa-circle text-success"></i>
                    </div>
                    <h6 class="text-sm font-semibold mb-0">System Status</h6>
                    <p class="text-xs" id="system-status-text">Healthy</p>
                </div>
            </div>
        </div>
        <div class="w-full md:w-1/4 px-4 mb-4">
            <div class="bg-white dark:bg-neutral-800 rounded-lg shadow border border-info-300 dark:border-info-700">
                <div class="p-4 text-center">
                    <div class="text-4xl mb-2">
                        <i class="fas fa-users"></i>
                    </div>
                    <h6 class="text-sm font-semibold">Total Users</h6>
                    <p class="text-2xl font-semibold" id="total-users">0</p>
                </div>
            </div>
        </div>
        <div class="w-full md:w-1/4 px-4 mb-4">
            <div class="bg-white dark:bg-neutral-800 rounded-lg shadow border border-warning-300 dark:border-warning-700">
                <div class="p-4 text-center">
                    <div class="text-4xl mb-2">
                        <i class="fas fa-database"></i>
                    </div>
                    <h6 class="text-sm font-semibold">Database Size</h6>
                    <p class="text-base" id="db-size">0 MB</p>
                </div>
            </div>
        </div>
        <div class="w-full md:w-1/4 px-4 mb-4">
            <div class="bg-white dark:bg-neutral-800 rounded-lg shadow border border-success-300 dark:border-success-700">
                <div class="p-4 text-center">
                    <div class="text-4xl mb-2">
                        <i class="fas fa-clock"></i>
                    </div>
                    <h6 class="text-sm font-semibold">System Uptime</h6>
                    <p class="text-xs" id="system-uptime">Unknown</p>
                </div>
            </div>
        </div>
    </div>

    <!-- Main Navigation Tabs -->
    <ul id="adminTabs" class="flex border-b border-neutral-200 dark:border-neutral-700 mb-6" role="tablist">
        <li class="px-4 py-2 -mb-px border-b-2 border-transparent hover:border-primary-600 text-neutral-600 dark:text-neutral-400 hover:text-primary-600 dark:hover:text-primary-400 transition-colors active" id="overview-tab" data-target="#overview" type="button" role="tab">
            <i class="fas fa-tachometer-alt"></i> Overview
        </li>
        <li class="px-4 py-2 -mb-px border-b-2 border-transparent hover:border-primary-600 text-neutral-600 dark:text-neutral-400 hover:text-primary-600 dark:hover:text-primary-400 transition-colors" id="users-tab" data-target="#users" type="button" role="tab">
            <i class="fas fa-users"></i> User Management
        </li>
        <li class="px-4 py-2 -mb-px border-b-2 border-transparent hover:border-primary-600 text-neutral-600 dark:text-neutral-400 hover:text-primary-600 dark:hover:text-primary-400 transition-colors" id="settings-tab" data-target="#settings" type="button" role="tab">
            <i class="fas fa-sliders-h"></i> System Settings
        </li>
        <li class="px-4 py-2 -mb-px border-b-2 border-transparent hover:border-primary-600 text-neutral-600 dark:text-neutral-400 hover:text-primary-600 dark:hover:text-primary-400 transition-colors" id="maintenance-tab" data-target="#maintenance" type="button" role="tab">
            <i class="fas fa-tools"></i> Maintenance
        </li>
        <li class="px-4 py-2 -mb-px border-b-2 border-transparent hover:border-primary-600 text-neutral-600 dark:text-neutral-400 hover:text-primary-600 dark:hover:text-primary-400 transition-colors" id="issues-tab" data-target="#issues" type="button" role="tab">
            <i class="fas fa-bug"></i> Issue Tracking
        </li>
        <li class="px-4 py-2 -mb-px border-b-2 border-transparent hover:border-primary-600 text-neutral-600 dark:text-neutral-400 hover:text-primary-600 dark:hover:text-primary-400 transition-colors" id="import-tab" data-target="#import" type="button" role="tab">
            <i class="fa-solid fa-upload"></i> Data Import
        </li>
        <li class="px-4 py-2 -mb-px border-b-2 border-transparent hover:border-primary-600 text-neutral-600 dark:text-neutral-400 hover:text-primary-600 dark:hover:text-primary-400 transition-colors" id="backup-tab" data-target="#backup" type="button" role="tab">
            <i class="fas fa-hdd"></i> Backup & Restore
        </li>
    </ul>

    <!-- Tab Content -->
    <div id="adminTabContent">
        <!-- Overview Tab -->
        <div id="overview" role="tabpanel" class="">
            <div class="flex flex-wrap -mx-4">
                <div class="w-full md:w-2/3 px-4">
                    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                        <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                            <h5 class="m-0 font-semibold"><i class="fas fa-chart-bar"></i> System Statistics</h5>
                        </div>
                        <div class="p-4">
                            <div class="flex flex-wrap -mx-3">
                                <div class="w-full sm:w-1/2 px-3 mb-3">
                                    <strong>Total Customers:</strong>
                                    <span id="stat-customers" class="float-right">0</span>
                                </div>
                                <div class="w-full sm:w-1/2 px-3 mb-3">
                                    <strong>Total Files:</strong>
                                    <span id="stat-files" class="float-right">0</span>
                                </div>
                                <div class="w-full sm:w-1/2 px-3 mb-3">
                                    <strong>Total Transactions:</strong>
                                    <span id="stat-transactions" class="float-right">0</span>
                                </div>
                                <div class="w-full sm:w-1/2 px-3 mb-3">
                                    <strong>Total QDROs:</strong>
                                    <span id="stat-qdros" class="float-right">0</span>
                                </div>
                                <div class="w-full sm:w-1/2 px-3 mb-3">
                                    <strong>Active Users:</strong>
                                    <span id="stat-active-users" class="float-right">0</span>
                                </div>
                                <div class="w-full sm:w-1/2 px-3 mb-3">
                                    <strong>Admin Users:</strong>
                                    <span id="stat-admins" class="float-right">0</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="w-full md:w-1/3 px-4 mt-4 md:mt-0">
                    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                        <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                            <h5 class="m-0 font-semibold"><i class="fas fa-exclamation-triangle"></i> System Alerts</h5>
                        </div>
                        <div class="p-4">
                            <div id="system-alerts">
                                <p class="text-neutral-500 dark:text-neutral-400">No alerts</p>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <div class="mt-4">
                <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                    <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                        <h5 class="m-0 font-semibold"><i class="fas fa-history"></i> Recent Activity</h5>
                    </div>
                    <div class="p-4">
                        <div id="recent-activity">
                            <p class="text-neutral-500 dark:text-neutral-400">Loading recent activity...</p>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Users Tab -->
        <div id="users" role="tabpanel" class="hidden">
            <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700 flex items-center justify-between">
                    <h5 class="m-0 font-semibold"><i class="fas fa-users"></i> User Management</h5>
                    <button type="button" class="px-3 py-1.5 bg-primary-600 hover:bg-primary-700 text-white rounded text-sm" onclick="showCreateUserModal()">
                        <i class="fas fa-plus"></i> Add User
                    </button>
                </div>
                <div class="p-4">
                    <div class="flex flex-wrap -mx-3 mb-3">
                        <div class="w-full md:w-1/2 px-3 mb-3 md:mb-0">
                            <input type="text" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-transparent" id="user-search" 
                                placeholder="Search users..." onkeyup="searchUsers()">
                        </div>
                        <div class="w-full md:w-1/4 px-3 mb-3 md:mb-0">
                            <select class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-transparent" id="user-filter" onchange="filterUsers()">
                                <option value="all">All Users</option>
                                <option value="active">Active Only</option>
                                <option value="admin">Admins Only</option>
                            </select>
                        </div>
                        <div class="w-full md:w-1/4 px-3">
                            <button type="button" class="w-full md:w-auto px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg hover:bg-neutral-50 dark:hover:bg-neutral-700" onclick="loadUsers()">
                                <i class="fas fa-sync"></i> Refresh
                            </button>
                        </div>
                    </div>

                    <div class="overflow-x-auto rounded-lg border border-neutral-200 dark:border-neutral-700">
                        <table class="min-w-full divide-y divide-neutral-200 dark:divide-neutral-700">
                            <thead class="bg-primary-600 text-white">
                                <tr>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Username</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Email</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Name</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Status</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Role</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Last Login</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Actions</th>
                                </tr>
                            </thead>
                            <tbody id="users-table-body" class="bg-white dark:bg-neutral-800 divide-y divide-neutral-200 dark:divide-neutral-700">
                                <tr>
                                    <td colspan="7" class="text-center px-4 py-4 text-neutral-500">Loading users...</td>
                                </tr>
                            </tbody>
                        </table>
                    </div>

                    <nav class="mt-3">
                        <ul class="flex items-center justify-center gap-2" id="users-pagination">
                        </ul>
                    </nav>
                </div>
            </div>
        </div>

        <!-- Settings Tab -->
        <div id="settings" role="tabpanel" class="hidden">
            <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700 flex items-center justify-between">
                    <h5 class="m-0 font-semibold"><i class="fas fa-sliders-h"></i> System Settings</h5>
                    <button type="button" class="px-3 py-1.5 bg-primary-600 hover:bg-primary-700 text-white rounded text-sm" onclick="showCreateSettingModal()">
                        <i class="fas fa-plus"></i> Add Setting
                    </button>
                </div>
                <div class="p-4">
                    <!-- Quick Setting: Inactivity Warning Minutes -->
                    <div class="mb-4 p-4 bg-neutral-50 dark:bg-neutral-900 border border-neutral-200 dark:border-neutral-700 rounded-lg">
                        <div class="flex items-end gap-3 flex-wrap">
                            <div class="flex-1 min-w-[220px]">
                                <label for="inactivityMinutesInput" class="block text-sm font-medium mb-1">Inactivity warning (minutes)</label>
                                <input id="inactivityMinutesInput" type="number" min="1" step="1" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-transparent" placeholder="e.g. 240">
                                <p class="text-xs text-neutral-500 dark:text-neutral-400 mt-1">User will see a warning after this many minutes of inactivity. Auto-logout occurs a few minutes after the warning.</p>
                            </div>
                            <div class="flex items-center gap-2">
                                <button type="button" class="px-3 py-2 bg-primary-600 hover:bg-primary-700 text-white rounded" onclick="saveInactivitySetting()">
                                    <i class="fa-solid fa-floppy-disk"></i> Save
                                </button>
                            </div>
                        </div>
                    </div>

                    <div class="overflow-x-auto rounded-lg border border-neutral-200 dark:border-neutral-700">
                        <table class="min-w-full divide-y divide-neutral-200 dark:divide-neutral-700">
                            <thead class="bg-primary-600 text-white">
                                <tr>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Setting Key</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Value</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Type</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Description</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Actions</th>
                                </tr>
                            </thead>
                            <tbody id="settings-table-body" class="bg-white dark:bg-neutral-800 divide-y divide-neutral-200 dark:divide-neutral-700">
                                <tr>
                                    <td colspan="5" class="text-center px-4 py-4 text-neutral-500">Loading settings...</td>
                                </tr>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>

        <!-- Maintenance Tab -->
        <div id="maintenance" role="tabpanel" class="hidden">
            <div class="flex flex-wrap -mx-4">
                <div class="w-full md:w-1/2 px-4">
                    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                        <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                            <h5 class="m-0 font-semibold"><i class="fas fa-database"></i> Database Maintenance</h5>
                        </div>
                        <div class="p-4">
                            <p class="text-neutral-700 dark:text-neutral-300">Optimize database performance and clean up data.</p>
                            <div class="grid gap-2">
                                <button type="button" class="px-4 py-2 bg-warning-600 hover:bg-warning-700 text-white rounded" onclick="vacuumDatabase()">
                                    <i class="fas fa-compress-alt"></i> Vacuum Database
                                </button>
                                <button type="button" class="px-4 py-2 bg-info-600 hover:bg-info-700 text-white rounded" onclick="analyzeDatabase()">
                                    <i class="fas fa-chart-line"></i> Analyze Statistics
                                </button>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="w-full md:w-1/2 px-4 mt-4 md:mt-0">
                    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                        <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                            <h5 class="m-0 font-semibold"><i class="fas fa-table"></i> Lookup Tables</h5>
                        </div>
                        <div class="p-4">
                            <div id="lookup-tables">
                                <p class="text-neutral-500 dark:text-neutral-400">Loading lookup table information...</p>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <div class="mt-4">
                <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                    <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                        <h5 class="m-0 font-semibold"><i class="fas fa-history"></i> Maintenance Log</h5>
                    </div>
                    <div class="p-4">
                        <div id="maintenance-log">
                            <p class="text-neutral-500 dark:text-neutral-400">No maintenance operations performed yet.</p>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Data Import Tab -->
        <div id="import" role="tabpanel" class="hidden">
            <div class="flex flex-wrap -mx-4">
                <div class="w-full px-4">
                    <h4 class="mb-4 text-xl font-semibold"><i class="fa-solid fa-upload"></i> Data Import Management</h4>
                    
                    <!-- Import Status Panel -->
                    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow mb-4">
                        <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700 flex items-center justify-between">
                            <h5 class="m-0 font-semibold"><i class="fa-solid fa-circle-info"></i> Current Database Status</h5>
                            <button class="px-3 py-1.5 border border-info-600 text-info-700 dark:text-info-300 rounded text-sm hover:bg-info-50 dark:hover:bg-info-900/20" onclick="loadImportStatus()">
                                <i class="fa-solid fa-rotate-right"></i> Refresh
                            </button>
                        </div>
                        <div class="p-4">
                            <div id="importStatus">
                                <div class="text-center">
                                    <div class="inline-block w-6 h-6 border-2 border-neutral-300 border-t-primary-600 rounded-full animate-spin"></div>
                                    <p class="mt-2">Loading import status...</p>
                                </div>
                            </div>
                        </div>
                    </div>

                    <!-- CSV File Upload Panel -->
                    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow mb-4">
                        <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                            <h5 class="m-0 font-semibold"><i class="fa-regular fa-file-arrow-up"></i> Upload CSV Files</h5>
                        </div>
                        <div class="p-4">
                            <form id="adminImportForm" enctype="multipart/form-data">
                                <div class="flex flex-wrap -mx-3">
                                    <div class="w-full md:w-1/3 px-3 mb-3">
                                        <label for="adminFileType" class="block text-sm font-medium mb-1">Data Type *</label>
                                        <select class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-transparent" id="adminFileType" name="fileType" required>
                                            <option value="">Select data type...</option>
                                        </select>
                                        <div class="text-sm text-neutral-500 dark:text-neutral-400 mt-1" id="adminFileTypeDescription"></div>
                                    </div>
                                    <div class="w-full md:w-1/2 px-3 mb-3">
                                        <label for="adminCsvFile" class="block text-sm font-medium mb-1">CSV File *</label>
                                        <input type="file" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-transparent" id="adminCsvFile" name="csvFile" accept=".csv" required>
                                        <div class="text-sm text-neutral-500 dark:text-neutral-400 mt-1">Select the CSV file to import</div>
                                    </div>
                                    <div class="w-full md:w-1/6 px-3 mb-3">
                                        <label class="block text-sm font-medium mb-1">&nbsp;</label>
                                        <label class="inline-flex items-center gap-2">
                                            <input class="rounded border-neutral-300 text-primary-600 focus:ring-primary-500" type="checkbox" id="adminReplaceExisting" name="replaceExisting">
                                            <span>Replace existing data</span>
                                        </label>
                                    </div>
                                </div>
                                
                                <div class="mt-3">
                                    <div class="flex flex-wrap gap-2">
                                        <button type="button" class="px-4 py-2 border border-neutral-300 dark:border-neutral-600 rounded hover:bg-neutral-50 dark:hover:bg-neutral-700" onclick="validateAdminFile()">
                                            <i class="fa-regular fa-circle-check"></i> Validate File
                                        </button>
                                        <button type="submit" class="px-4 py-2 bg-primary-600 hover:bg-primary-700 text-white rounded" id="adminImportBtn">
                                            <i class="fa-solid fa-upload"></i> Import Data
                                        </button>
                                    </div>
                                </div>
                            </form>
                        </div>
                    </div>

                    <!-- Validation Results Panel -->
                    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow mb-4 hidden" id="adminValidationPanel">
                        <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                            <h5 class="m-0 font-semibold"><i class="fa-solid fa-clipboard-check"></i> File Validation Results</h5>
                        </div>
                        <div class="p-4" id="adminValidationResults">
                            <!-- Validation results will be shown here -->
                        </div>
                    </div>

                    <!-- Import Progress Panel -->
                    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow mb-4 hidden" id="adminProgressPanel">
                        <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                            <h5 class="m-0 font-semibold"><i class="fa-solid fa-hourglass-half"></i> Import Progress</h5>
                        </div>
                        <div class="p-4">
                            <div class="w-full bg-neutral-100 dark:bg-neutral-700 rounded h-3 overflow-hidden mb-3">
                                <div class="h-3 bg-primary-600 transition-all" style="width: 0%" id="adminProgressBar"></div>
                            </div>
                            <div id="adminProgressStatus">Ready to import...</div>
                        </div>
                    </div>

                    <!-- Import Results Panel -->
                    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow mb-4 hidden" id="adminResultsPanel">
                        <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                            <h5 class="m-0 font-semibold"><i class="fa-solid fa-circle-check"></i> Import Results</h5>
                        </div>
                        <div class="p-4" id="adminImportResults">
                            <!-- Import results will be shown here -->
                        </div>
                    </div>

                    <!-- Data Management Panel -->
                    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                        <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                            <h5 class="m-0 font-semibold"><i class="fa-solid fa-database"></i> Data Management</h5>
                        </div>
                        <div class="p-4">
                            <div class="flex flex-wrap -mx-4">
                                <div class="w-full md:w-1/2 px-4">
                                    <h6 class="font-semibold">Clear Table Data</h6>
                                    <p class="text-neutral-500 dark:text-neutral-400 text-sm">Remove all records from a specific table (cannot be undone)</p>
                                    <div class="flex items-center gap-2">
                                        <select class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-transparent" id="adminClearTableType">
                                            <option value="">Select table to clear...</option>
                                        </select>
                                        <button class="px-3 py-2 bg-danger-600 hover:bg-danger-700 text-white rounded" onclick="clearAdminTable()">
                                            <i class="fa-solid fa-trash"></i> Clear Table
                                        </button>
                                    </div>
                                </div>
                                <div class="w-full md:w-1/2 px-4 mt-4 md:mt-0">
                                    <h6 class="font-semibold">Quick Actions</h6>
                                    <div class="grid gap-2">
                                        <button class="px-3 py-2 border border-info-600 text-info-700 dark:text-info-300 rounded hover:bg-info-50 dark:hover:bg-info-900/20" onclick="viewImportLogs()">
                                            <i class="fa-regular fa-file-lines"></i> View Import Logs
                                        </button>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Backup Tab -->
        <div id="backup" role="tabpanel" class="hidden">
            <div class="flex flex-wrap -mx-4">
                <div class="w-full md:w-1/2 px-4">
                    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                        <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                            <h5 class="m-0 font-semibold"><i class="fas fa-download"></i> Create Backup</h5>
                        </div>
                        <div class="p-4">
                            <p class="text-neutral-700 dark:text-neutral-300">Create a manual backup of the database.</p>
                            <button type="button" class="w-full px-4 py-2 bg-success-600 hover:bg-success-700 text-white rounded text-lg" onclick="createBackup()">
                                <i class="fas fa-download"></i> Create Backup Now
                            </button>
                        </div>
                    </div>
                </div>
                <div class="w-full md:w-1/2 px-4 mt-4 md:mt-0">
                    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                        <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                            <h5 class="m-0 font-semibold"><i class="fas fa-info-circle"></i> Backup Information</h5>
                        </div>
                        <div class="p-4">
                            <p><strong>Last Backup:</strong> <span id="last-backup">Unknown</span></p>
                            <p><strong>Backup Location:</strong> ./backups/</p>
                            <p><strong>Retention:</strong> 10 most recent backups</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="mt-4">
                <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                    <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                        <h5 class="m-0 font-semibold"><i class="fas fa-list"></i> Available Backups</h5>
                    </div>
                    <div class="p-4">
                        <div class="overflow-x-auto rounded-lg border border-neutral-200 dark:border-neutral-700">
                            <table class="min-w-full divide-y divide-neutral-200 dark:divide-neutral-700">
                                <thead class="bg-primary-600 text-white">
                                    <tr>
                                        <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Filename</th>
                                        <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Size</th>
                                        <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Created</th>
                                        <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Type</th>
                                        <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Actions</th>
                                    </tr>
                                </thead>
                                <tbody id="backup-list" class="bg-white dark:bg-neutral-800 divide-y divide-neutral-200 dark:divide-neutral-700">
                                    <tr>
                                        <td colspan="5" class="text-center px-4 py-4 text-neutral-500">Loading backups...</td>
                                    </tr>
                                </tbody>
                            </table>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Issues Tab -->
        <div id="issues" role="tabpanel" class="hidden">
            <div class="mb-4 grid grid-cols-1 md:grid-cols-4 gap-4">
                <!-- Issue Statistics Cards -->
                <div class="bg-white dark:bg-neutral-800 border border-danger-300 dark:border-danger-700 rounded-lg shadow p-4 text-center">
                    <h2 class="text-danger-600 text-2xl font-semibold" id="high-priority-count">0</h2>
                    <h6>High Priority</h6>
                </div>
                <div class="bg-white dark:bg-neutral-800 border border-warning-300 dark:border-warning-700 rounded-lg shadow p-4 text-center">
                    <h2 class="text-warning-600 text-2xl font-semibold" id="open-issues-count">0</h2>
                    <h6>Open Issues</h6>
                </div>
                <div class="bg-white dark:bg-neutral-800 border border-info-300 dark:border-info-700 rounded-lg shadow p-4 text-center">
                    <h2 class="text-info-600 text-2xl font-semibold" id="in-progress-count">0</h2>
                    <h6>In Progress</h6>
                </div>
                <div class="bg-white dark:bg-neutral-800 border border-success-300 dark:border-success-700 rounded-lg shadow p-4 text-center">
                    <h2 class="text-success-600 text-2xl font-semibold" id="resolved-count">0</h2>
                    <h6>Resolved</h6>
                </div>
            </div>

            <!-- Issue Management -->
            <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700 flex items-center justify-between">
                    <h5 class="m-0 font-semibold"><i class="fas fa-bug"></i> Internal Issues & Bugs</h5>
                    <div class="flex items-center gap-2">
                        <button type="button" class="px-3 py-1.5 border border-primary-600 text-primary-700 dark:text-primary-300 rounded text-sm hover:bg-primary-50 dark:hover:bg-primary-900/20" onclick="loadIssues()">
                            <i class="fas fa-sync"></i> Refresh
                        </button>
                        <button type="button" class="px-3 py-1.5 bg-primary-600 hover:bg-primary-700 text-white rounded text-sm" onclick="openSupportModal()">
                            <i class="fas fa-plus"></i> New Issue
                        </button>
                    </div>
                </div>
                <div class="p-4">
                    <!-- Filters -->
                    <div class="flex flex-wrap -mx-2 mb-3 items-center">
                        <div class="w-full md:w-1/4 px-2 mb-3 md:mb-0">
                            <select class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-transparent text-sm" id="issueStatusFilter" onchange="filterIssues()">
                                <option value="">All Statuses</option>
                                <option value="open">Open</option>
                                <option value="in_progress">In Progress</option>
                                <option value="resolved">Resolved</option>
                                <option value="closed">Closed</option>
                            </select>
                        </div>
                        <div class="w-full md:w-1/4 px-2 mb-3 md:mb-0">
                            <select class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-transparent text-sm" id="issuePriorityFilter" onchange="filterIssues()">
                                <option value="">All Priorities</option>
                                <option value="urgent">Urgent</option>
                                <option value="high">High</option>
                                <option value="medium">Medium</option>
                                <option value="low">Low</option>
                            </select>
                        </div>
                        <div class="w-full md:w-1/4 px-2 mb-3 md:mb-0">
                            <select class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-transparent text-sm" id="issueCategoryFilter" onchange="filterIssues()">
                                <option value="">All Categories</option>
                                <option value="bug_report">Bug Reports</option>
                                <option value="qa_issue">QA Issues</option>
                                <option value="feature_request">Feature Requests</option>
                                <option value="database_issue">Database Issues</option>
                                <option value="system_error">System Errors</option>
                                <option value="performance">Performance</option>
                                <option value="user_access">User Access</option>
                                <option value="configuration">Configuration</option>
                                <option value="documentation">Documentation</option>
                                <option value="testing">Testing</option>
                            </select>
                        </div>
                        <div class="w-full md:w-1/4 px-2">
                            <label class="inline-flex items-center gap-2 text-sm">
                                <input class="rounded border-neutral-300 text-primary-600 focus:ring-primary-500" type="checkbox" id="assignedToMeFilter" onchange="filterIssues()">
                                <span>Assigned to me</span>
                            </label>
                        </div>
                    </div>

                    <!-- Issues Table -->
                    <div class="overflow-x-auto rounded-lg border border-neutral-200 dark:border-neutral-700">
                        <table class="min-w-full divide-y divide-neutral-200 dark:divide-neutral-700">
                            <thead class="bg-primary-600 text-white">
                                <tr>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">ID</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Type</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Priority</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Subject</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Reporter</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Status</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Assigned</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Created</th>
                                    <th class="px-4 py-3 text-left text-xs font-semibold uppercase tracking-wider">Actions</th>
                                </tr>
                            </thead>
                            <tbody id="issues-table-body" class="bg-white dark:bg-neutral-800 divide-y divide-neutral-200 dark:divide-neutral-700">
                                <tr>
                                    <td colspan="9" class="text-center px-4 py-4 text-neutral-500">Loading issues...</td>
                                </tr>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Issue Detail Modal -->
<div id="issueDetailModal" class="hidden fixed inset-0 bg-black bg-opacity-50 z-50 p-4">
    <div class="mx-auto w-full max-w-7xl max-h-[90vh] overflow-y-auto">
        <div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl border border-neutral-200 dark:border-neutral-700">
            <div class="flex items-center justify-between px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                <h5 class="font-semibold flex items-center gap-2" id="issueDetailModalTitle">
                    <i class="fas fa-bug"></i>
                    <span>Issue Details</span>
                </h5>
                <button type="button" class="text-neutral-500 hover:text-neutral-700 dark:text-neutral-400 dark:hover:text-neutral-200" onclick="closeModal('issueDetailModal')">
                    <i class="fa-solid fa-xmark"></i>
                </button>
            </div>
            <div class="px-4 py-4">
                <div class="flex flex-wrap -mx-4">
                    <!-- Left Column - Issue Details -->
                    <div class="w-full md:w-2/3 px-4">
                    <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow mb-3">
                            <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                                <div class="flex items-center justify-between">
                                    <div class="flex items-center gap-2">
                                        <span class="px-2 py-1 rounded bg-primary-600 text-white text-xs" id="issueDetailNumber">ST-2025-XXXX</span>
                                        <span class="px-2 py-1 rounded bg-primary-100 text-primary-700 dark:bg-primary-900/30 dark:text-primary-300 text-xs" id="issueDetailCategory">category</span>
                                        <span class="px-2 py-1 rounded bg-neutral-200 dark:bg-neutral-700 text-xs" id="issueDetailPriority">priority</span>
                                    </div>
                                    <span class="px-2 py-1 rounded text-xs bg-neutral-200 dark:bg-neutral-700" id="issueDetailStatus">status</span>
                                </div>
                            </div>
                            <div class="p-4">
                                <h5 class="font-semibold" id="issueDetailSubject">Issue subject</h5>
                                <div class="mt-3">
                                    <h6 class="font-medium">Description:</h6>
                                    <div id="issueDetailDescription" class="whitespace-pre-wrap bg-neutral-50 dark:bg-neutral-800/50 p-4 rounded"></div>
                                </div>
                                <div class="mt-3">
                                    <h6 class="font-medium">Context Information:</h6>
                                    <div class="flex flex-wrap -mx-4">
                                        <div class="w-full md:w-1/2 px-4">
                                            <small><strong>Page:</strong> <span id="issueDetailPage">-</span></small>
                                        </div>
                                        <div class="w-full md:w-1/2 px-4">
                                            <small><strong>Browser:</strong> <span id="issueDetailBrowser">-</span></small>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>

                        <!-- Responses Section -->
                        <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                            <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                                <h6 class="m-0 font-semibold">Comments & Updates</h6>
                            </div>
                            <div class="p-4">
                                <div id="issueResponses">
                                    <p class="text-neutral-500 dark:text-neutral-400">No comments yet.</p>
                                </div>
                                
                                <!-- Add Response Form -->
                                <div class="mt-3 border-t pt-3">
                                    <textarea class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg mb-2" id="newResponseText" rows="3" placeholder="Add a comment..."></textarea>
                                    <div class="flex items-center justify-between">
                                        <label class="inline-flex items-center gap-2">
                                            <input class="rounded border-neutral-300 text-primary-600 focus:ring-primary-500" type="checkbox" id="internalResponseCheck">
                                            <span>Internal note (not visible to reporter)</span>
                                        </label>
                                        <button type="button" class="px-3 py-1.5 bg-primary-600 hover:bg-primary-700 text-white rounded text-sm" onclick="addResponse()">
                                            <i class="fas fa-comment"></i> Add Comment
                                        </button>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>

                    <!-- Right Column - Issue Management -->
                    <div class="w-full md:w-1/3 px-4">
                        <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow mb-3">
                            <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                                <h6 class="m-0 font-semibold">Issue Management</h6>
                            </div>
                            <div class="p-4">
                                <form id="issueUpdateForm">
                                    <input type="hidden" id="currentIssueId">
                                    
                                    <div class="mb-3">
                                        <label class="block text-sm font-medium mb-1">Status</label>
                                        <select class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-sm" id="updateStatus">
                                            <option value="open">Open</option>
                                            <option value="in_progress">In Progress</option>
                                            <option value="resolved">Resolved</option>
                                            <option value="closed">Closed</option>
                                        </select>
                                    </div>
                                    
                                    <div class="mb-3">
                                        <label class="block text-sm font-medium mb-1">Priority</label>
                                        <select class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-sm" id="updatePriority">
                                            <option value="low">Low</option>
                                            <option value="medium">Medium</option>
                                            <option value="high">High</option>
                                            <option value="urgent">Urgent</option>
                                        </select>
                                    </div>
                                    
                                    <div class="mb-3">
                                        <label class="block text-sm font-medium mb-1">Assign To</label>
                                        <select class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-sm" id="updateAssignee">
                                            <option value="">Unassigned</option>
                                            <!-- Will be populated with users -->
                                        </select>
                                    </div>
                                    
                                    <button type="button" class="w-full px-3 py-2 bg-success-600 hover:bg-success-700 text-white rounded text-sm" onclick="updateIssue()">
                                        <i class="fas fa-save"></i> Update Issue
                                    </button>
                                </form>
                            </div>
                        </div>

                        <div class="bg-white dark:bg-neutral-800 border border-neutral-200 dark:border-neutral-700 rounded-lg shadow">
                            <div class="px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                                <h6 class="m-0 font-semibold">Issue Info</h6>
                            </div>
                            <div class="p-4">
                                <div class="mb-2">
                                   <small class="text-neutral-500">Reporter:</small><br>
                                    <span id="issueDetailReporter">-</span>
                                </div>
                                <div class="mb-2">
                                   <small class="text-neutral-500">Email:</small><br>
                                    <span id="issueDetailEmail">-</span>
                                </div>
                                <div class="mb-2">
                                   <small class="text-neutral-500">Created:</small><br>
                                    <span id="issueDetailCreated">-</span>
                                </div>
                                <div class="mb-2">
                                   <small class="text-neutral-500">Last Updated:</small><br>
                                    <span id="issueDetailUpdated">-</span>
                                </div>
                                <div class="mb-2" id="issueResolvedInfo" style="display: none;">
                                   <small class="text-neutral-500">Resolved:</small><br>
                                    <span id="issueDetailResolved">-</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- User Management Modal -->
<div id="userModal" class="hidden fixed inset-0 bg-black bg-opacity-50 z-50 p-4">
    <div class="mx-auto w-full max-w-xl">
        <div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl border border-neutral-200 dark:border-neutral-700">
            <div class="flex items-center justify-between px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                <h5 class="font-semibold" id="userModalTitle">Add User</h5>
                <button type="button" class="text-neutral-500 hover:text-neutral-700 dark:text-neutral-400 dark:hover:text-neutral-200" onclick="closeModal('userModal')">
                    <i class="fa-solid fa-xmark"></i>
                </button>
            </div>
            <div class="px-4 py-4">
                <form id="userForm">
                    <input type="hidden" id="userId">
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-3">
                        <div>
                            <label for="username" class="block text-sm font-medium mb-1">Username *</label>
                            <input type="text" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="username" required>
                        </div>
                        <div>
                            <label for="email" class="block text-sm font-medium mb-1">Email *</label>
                            <input type="email" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="email" required>
                        </div>
                    </div>
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-3">
                        <div>
                            <label for="firstName" class="block text-sm font-medium mb-1">First Name</label>
                            <input type="text" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="firstName">
                        </div>
                        <div>
                            <label for="lastName" class="block text-sm font-medium mb-1">Last Name</label>
                            <input type="text" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="lastName">
                        </div>
                    </div>
                    <div class="mb-3" id="passwordFields">
                        <label for="password" class="block text-sm font-medium mb-1">Password *</label>
                        <input type="password" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="password" required>
                    </div>
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-3">
                        <div>
                            <label class="inline-flex items-center gap-2">
                                <input class="rounded border-neutral-300 text-primary-600 focus:ring-primary-500" type="checkbox" id="isAdmin">
                                <span>Administrator</span>
                            </label>
                        </div>
                        <div>
                            <label class="inline-flex items-center gap-2">
                                <input class="rounded border-neutral-300 text-primary-600 focus:ring-primary-500" type="checkbox" id="isActive" checked>
                                <span>Active</span>
                            </label>
                        </div>
                    </div>
                </form>
            </div>
            <div class="flex items-center justify-end gap-2 px-4 py-3 border-t border-neutral-200 dark:border-neutral-700">
                <button type="button" class="px-3 py-1.5 border border-neutral-300 dark:border-neutral-600 rounded hover:bg-neutral-50 dark:hover:bg-neutral-700" onclick="closeModal('userModal')">Cancel</button>
                <button type="button" class="px-3 py-1.5 bg-primary-600 hover:bg-primary-700 text-white rounded" onclick="saveUser()">Save</button>
            </div>
        </div>
    </div>
</div>

<!-- Settings Modal -->
<div id="settingModal" class="hidden fixed inset-0 bg-black bg-opacity-50 z-50 p-4">
    <div class="mx-auto w-full max-w-xl">
        <div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl border border-neutral-200 dark:border-neutral-700">
            <div class="flex items-center justify-between px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                <h5 class="font-semibold" id="settingModalTitle">Add Setting</h5>
                <button type="button" class="text-neutral-500 hover:text-neutral-700 dark:text-neutral-400 dark:hover:text-neutral-200" onclick="closeModal('settingModal')">
                    <i class="fa-solid fa-xmark"></i>
                </button>
            </div>
            <div class="px-4 py-4">
                <form id="settingForm">
                    <div class="mb-3">
                        <label for="settingKey" class="block text-sm font-medium mb-1">Setting Key *</label>
                        <input type="text" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="settingKey" required>
                    </div>
                    <div class="mb-3">
                        <label for="settingValue" class="block text-sm font-medium mb-1">Setting Value *</label>
                        <input type="text" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="settingValue" required>
                    </div>
                    <div class="mb-3">
                        <label for="settingType" class="block text-sm font-medium mb-1">Setting Type</label>
                        <select class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="settingType">
                            <option value="STRING">String</option>
                            <option value="INTEGER">Integer</option>
                            <option value="FLOAT">Float</option>
                            <option value="BOOLEAN">Boolean</option>
                        </select>
                    </div>
                    <div class="mb-3">
                        <label for="settingDescription" class="block text-sm font-medium mb-1">Description</label>
                        <textarea class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="settingDescription" rows="3"></textarea>
                    </div>
                </form>
            </div>
            <div class="flex items-center justify-end gap-2 px-4 py-3 border-t border-neutral-200 dark:border-neutral-700">
                <button type="button" class="px-3 py-1.5 border border-neutral-300 dark:border-neutral-600 rounded hover:bg-neutral-50 dark:hover:bg-neutral-700" onclick="closeModal('settingModal')">Cancel</button>
                <button type="button" class="px-3 py-1.5 bg-primary-600 hover:bg-primary-700 text-white rounded" onclick="saveSetting()">Save</button>
            </div>
        </div>
    </div>
</div>

<!-- Password Reset Modal -->
<div id="passwordModal" class="hidden fixed inset-0 bg-black bg-opacity-50 z-50 p-4">
    <div class="mx-auto w-full max-w-md">
        <div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl border border-neutral-200 dark:border-neutral-700">
            <div class="flex items-center justify-between px-4 py-3 border-b border-neutral-200 dark:border-neutral-700">
                <h5 class="font-semibold">Reset Password</h5>
                <button type="button" class="text-neutral-500 hover:text-neutral-700 dark:text-neutral-400 dark:hover:text-neutral-200" onclick="closeModal('passwordModal')">
                    <i class="fa-solid fa-xmark"></i>
                </button>
            </div>
            <div class="px-4 py-4">
                <form id="passwordForm">
                    <input type="hidden" id="resetUserId">
                    <div class="mb-3">
                        <label for="newPassword" class="block text-sm font-medium mb-1">New Password *</label>
                        <input type="password" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="newPassword" required>
                    </div>
                    <div class="mb-3">
                        <label for="confirmPassword" class="block text-sm font-medium mb-1">Confirm Password *</label>
                        <input type="password" class="w-full px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="confirmPassword" required>
                    </div>
                </form>
            </div>
            <div class="flex items-center justify-end gap-2 px-4 py-3 border-t border-neutral-200 dark:border-neutral-700">
                <button type="button" class="px-3 py-1.5 border border-neutral-300 dark:border-neutral-600 rounded hover:bg-neutral-50 dark:hover:bg-neutral-700" onclick="closeModal('passwordModal')">Cancel</button>
                <button type="button" class="px-3 py-1.5 bg-primary-600 hover:bg-primary-700 text-white rounded" onclick="resetPassword()">Reset Password</button>
            </div>
        </div>
    </div>
</div>

<script>
// Global variables
let currentUsers = [];
let currentSettings = [];
let userPagination = { page: 1, limit: 10 };

// Helper function for authenticated API calls
function getAuthHeaders() {
    const token = localStorage.getItem('auth_token');
    return {
        'Authorization': `Bearer ${token}`,
        'Content-Type': 'application/json'
    };
}

// Check if current user has admin access
async function checkAdminAccess() {
    const token = localStorage.getItem('auth_token');
    if (!token) {
        window.location.href = '/login';
        return false;
    }
    
    try {
        const response = await fetch('/api/auth/me', {
            headers: {
                'Authorization': `Bearer ${token}`
            }
        });
        
        if (!response.ok) {
            window.location.href = '/login';
            return false;
        }
        
        const user = await response.json();
        return user.is_admin === true;
    } catch (error) {
        console.error('Error checking admin access:', error);
        window.location.href = '/login';
        return false;
    }
}

// Minimal UI helpers (Tailwind modals)
function openModal(id) {
    const el = document.getElementById(id);
    if (el) el.classList.remove('hidden');
}

function closeModal(id) {
    const el = document.getElementById(id);
    if (el) el.classList.add('hidden');
}

function initializeTabs() {
    const tabs = document.querySelectorAll('#adminTabs > li');
    const panes = document.querySelectorAll('#adminTabContent > div[role="tabpanel"]');
    tabs.forEach(tab => {
        tab.addEventListener('click', () => {
            const target = tab.getAttribute('data-target');
            if (!target) return;
            // deactivate
            tabs.forEach(t => t.classList.remove('active'));
            panes.forEach(p => p.classList.add('hidden'));
            // activate
            tab.classList.add('active');
            const pane = document.querySelector(target);
            if (pane) pane.classList.remove('hidden');
            onTabShown((target || '').replace('#', ''));
        });
    });
}

function onTabShown(tabName) {
    if (tabName === 'issues') {
        loadIssues();
        loadIssueStats();
    } else if (tabName === 'import') {
        loadAvailableImportFiles();
        loadImportStatus();
    } else if (tabName === 'backup') {
        loadBackups();
    } else if (tabName === 'users') {
        loadUsers();
    } else if (tabName === 'settings') {
        loadSettings();
    }
}

// Initialize admin dashboard
document.addEventListener('DOMContentLoaded', function() {
    // Check admin permissions first
    checkAdminAccess().then(hasAccess => {
        if (!hasAccess) {
            window.location.href = '/customers'; // Redirect to a safe page
            return;
        }
        
        loadSystemHealth();
        loadSystemStats();
        loadUsers();
        loadSettings();
        loadLookupTables();
        loadBackups();
        // Tabs setup (no Bootstrap JS)
        initializeTabs();

        // Auto-refresh every 5 minutes
        setInterval(loadSystemHealth, 300000);

    });
});

// System Health Functions
async function loadSystemHealth() {
    try {
        const response = await fetch('/api/admin/health', {
            headers: getAuthHeaders()
        });
        const data = await response.json();
        
        // Update status indicator
        const statusElement = document.getElementById('system-status');
        const statusTextElement = document.getElementById('system-status-text');
        
        if (data.status === 'healthy') {
            statusElement.innerHTML = '<i class="fas fa-circle text-success-600"></i>';
            statusTextElement.textContent = 'Healthy';
        } else {
            statusElement.innerHTML = '<i class="fas fa-circle text-danger-600"></i>';
            statusTextElement.textContent = 'Unhealthy';
        }
        
        // Update system info with better formatting
        const formatUptime = (uptime) => {
            if (!uptime || uptime === 'Unknown') return 'Unknown';
            
            // Parse the uptime string (format: "0:00:05" or "1 day, 0:00:05")
            const parts = uptime.split(', ');
            if (parts.length === 1) {
                // Less than a day: "0:00:05"
                const [hours, minutes, seconds] = parts[0].split(':');
                return `${parseInt(hours)}h ${parseInt(minutes)}m ${parseInt(seconds)}s`;
            } else {
                // More than a day: "1 day, 0:00:05"
                const days = parts[0];
                const [hours, minutes, seconds] = parts[1].split(':');
                return `${days}, ${parseInt(hours)}h ${parseInt(minutes)}m`;
            }
        };
        
        document.getElementById('system-uptime').textContent = formatUptime(data.uptime);
        
        // Update alerts
        const alertsElement = document.getElementById('system-alerts');
        if (data.alerts && data.alerts.length > 0) {
            alertsElement.innerHTML = data.alerts.map(alert => 
                `<div class="bg-warning-50 border-l-4 border-warning-500 text-warning-700 text-sm p-2 rounded mb-1">${alert}</div>`
            ).join('');
        } else {
            alertsElement.innerHTML = '<p class="text-neutral-500 dark:text-neutral-400">No alerts</p>';
        }
        
    } catch (error) {
        console.error('Failed to load system health:', error);
        showAlert('Failed to load system health', 'error');
    }
}

async function loadSystemStats() {
    try {
        const response = await fetch('/api/admin/stats', {
            headers: getAuthHeaders()
        });
        const data = await response.json();
        
        // Update dashboard cards
        document.getElementById('total-users').textContent = data.total_users;
        document.getElementById('db-size').textContent = data.database_size;
        
        // Update detailed stats
        document.getElementById('stat-customers').textContent = data.total_customers.toLocaleString();
        document.getElementById('stat-files').textContent = data.total_files.toLocaleString();
        document.getElementById('stat-transactions').textContent = data.total_transactions.toLocaleString();
        document.getElementById('stat-qdros').textContent = data.total_qdros.toLocaleString();
        document.getElementById('stat-active-users').textContent = data.total_active_users;
        document.getElementById('stat-admins').textContent = data.total_admins;
        
        // Update recent activity
        const activityElement = document.getElementById('recent-activity');
        if (data.recent_activity && data.recent_activity.length > 0) {
            activityElement.innerHTML = data.recent_activity.map(activity => 
                `<div class="border-b pb-2 mb-2">
                    <small class="text-neutral-500 dark:text-neutral-400">${activity.timestamp ? new Date(activity.timestamp).toLocaleString() : 'Recent'}</small><br>
                    ${activity.description}
                </div>`
            ).join('');
        } else {
            activityElement.innerHTML = '<p class="text-neutral-500 dark:text-neutral-400">No recent activity</p>';
        }
        
    } catch (error) {
        console.error('Failed to load system stats:', error);
        showAlert('Failed to load system statistics', 'error');
    }
}

// User Management Functions
async function loadUsers() {
    try {
        const search = document.getElementById('user-search').value;
        const filter = document.getElementById('user-filter').value;
        
        let url = '/api/admin/users?';
        if (search) url += 'search=' + encodeURIComponent(search) + '&';
        if (filter === 'active') url += 'active_only=true&';
        
        const response = await fetch(url, {
            headers: getAuthHeaders()
        });
        const users = await response.json();
        currentUsers = users;
        
        renderUsersTable(users);
        
    } catch (error) {
        console.error('Failed to load users:', error);
        showAlert('Failed to load users', 'error');
    }
}

function renderUsersTable(users) {
    const tbody = document.getElementById('users-table-body');
    
    if (users.length === 0) {
        tbody.innerHTML = '<tr><td colspan="7" class="text-center">No users found</td></tr>';
        return;
    }
    
    tbody.innerHTML = users.map(user => `
        <tr>
            <td>${user.username}</td>
            <td>${user.email}</td>
            <td>${(user.first_name || '') + ' ' + (user.last_name || '')}</td>
            <td>
                <span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium ${user.is_active ? 'bg-success-100 text-success-800 dark:bg-success-900/30 dark:text-success-300' : 'bg-neutral-200 text-neutral-700 dark:bg-neutral-700 dark:text-neutral-300'}">${user.is_active ? 'Active' : 'Inactive'}</span>
            </td>
            <td>
                <span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium ${user.is_admin ? 'bg-primary-100 text-primary-800 dark:bg-primary-900/30 dark:text-primary-300' : 'bg-neutral-200 text-neutral-700 dark:bg-neutral-700 dark:text-neutral-300'}">${user.is_admin ? 'Admin' : 'User'}</span>
            </td>
            <td>${user.last_login ? new Date(user.last_login).toLocaleDateString() : 'Never'}</td>
            <td>
                <div class="flex items-center gap-2">
                    <button class="px-2 py-1 border border-primary-600 text-primary-700 dark:text-primary-300 rounded text-xs hover:bg-primary-50 dark:hover:bg-primary-900/20" onclick="editUser(${user.id})" title="Edit">
                        <i class="fas fa-edit"></i>
                    </button>
                    <button class="px-2 py-1 border border-warning-600 text-warning-700 dark:text-warning-300 rounded text-xs hover:bg-warning-50 dark:hover:bg-warning-900/20" onclick="showPasswordModal(${user.id})" title="Reset Password">
                        <i class="fas fa-key"></i>
                    </button>
                    <button class="px-2 py-1 border border-danger-600 text-danger-700 dark:text-danger-300 rounded text-xs hover:bg-danger-50 dark:hover:bg-danger-900/20" onclick="deactivateUser(${user.id})" title="Deactivate">
                        <i class="fas fa-user-times"></i>
                    </button>
                </div>
            </td>
        </tr>
    `).join('');
}

function showCreateUserModal() {
    document.getElementById('userModalTitle').textContent = 'Add User';
    document.getElementById('userForm').reset();
    document.getElementById('userId').value = '';
    document.getElementById('passwordFields').style.display = 'block';
    document.getElementById('isActive').checked = true;
    openModal('userModal');
}

async function editUser(userId) {
    try {
        const response = await fetch('/api/admin/users/' + userId, {
            headers: getAuthHeaders()
        });
        const user = await response.json();
        
        document.getElementById('userModalTitle').textContent = 'Edit User';
        document.getElementById('userId').value = user.id;
        document.getElementById('username').value = user.username;
        document.getElementById('email').value = user.email;
        document.getElementById('firstName').value = user.first_name || '';
        document.getElementById('lastName').value = user.last_name || '';
        document.getElementById('isAdmin').checked = user.is_admin;
        document.getElementById('isActive').checked = user.is_active;
        document.getElementById('passwordFields').style.display = 'none';
        
        openModal('userModal');
        
    } catch (error) {
        console.error('Failed to load user:', error);
        showAlert('Failed to load user details', 'error');
    }
}

async function saveUser() {
    const userId = document.getElementById('userId').value;
    const isEdit = !!userId;
    
    const userData = {
        username: document.getElementById('username').value,
        email: document.getElementById('email').value,
        first_name: document.getElementById('firstName').value,
        last_name: document.getElementById('lastName').value,
        is_admin: document.getElementById('isAdmin').checked,
        is_active: document.getElementById('isActive').checked
    };
    
    if (!isEdit) {
        userData.password = document.getElementById('password').value;
    }
    
    try {
        const url = isEdit ? '/api/admin/users/' + userId : '/api/admin/users';
        const method = isEdit ? 'PUT' : 'POST';
        
        const response = await fetch(url, {
            method: method,
            headers: getAuthHeaders(),
            body: JSON.stringify(userData)
        });
        
        if (response.ok) {
            closeModal('userModal');
            showAlert(isEdit ? 'User updated successfully' : 'User created successfully', 'success');
            loadUsers();
        } else {
            const error = await response.json();
            showAlert(error.detail || 'Failed to save user', 'error');
        }
        
    } catch (error) {
        console.error('Failed to save user:', error);
        showAlert('Failed to save user', 'error');
    }
}

function showPasswordModal(userId) {
    document.getElementById('resetUserId').value = userId;
    document.getElementById('passwordForm').reset();
    openModal('passwordModal');
}

async function resetPassword() {
    const userId = document.getElementById('resetUserId').value;
    const newPassword = document.getElementById('newPassword').value;
    const confirmPassword = document.getElementById('confirmPassword').value;
    
    if (newPassword !== confirmPassword) {
        showAlert('Passwords do not match', 'error');
        return;
    }
    
    try {
        const response = await fetch('/api/admin/users/' + userId + '/reset-password', {
            method: 'POST',
            headers: getAuthHeaders(),
            body: JSON.stringify({
                new_password: newPassword,
                confirm_password: confirmPassword
            })
        });
        
        if (response.ok) {
            closeModal('passwordModal');
            showAlert('Password reset successfully', 'success');
        } else {
            const error = await response.json();
            showAlert(error.detail || 'Failed to reset password', 'error');
        }
        
    } catch (error) {
        console.error('Failed to reset password:', error);
        showAlert('Failed to reset password', 'error');
    }
}

async function deactivateUser(userId) {
    if (!confirm('Are you sure you want to deactivate this user?')) return;
    
    try {
        const response = await fetch('/api/admin/users/' + userId, {
            method: 'DELETE',
            headers: getAuthHeaders()
        });
        
        if (response.ok) {
            showAlert('User deactivated successfully', 'success');
            loadUsers();
        } else {
            const error = await response.json();
            showAlert(error.detail || 'Failed to deactivate user', 'error');
        }
        
    } catch (error) {
        console.error('Failed to deactivate user:', error);
        showAlert('Failed to deactivate user', 'error');
    }
}

// Settings Management Functions
async function loadSettings() {
    try {
        const response = await fetch('/api/admin/settings', {
            headers: getAuthHeaders()
        });
        const data = await response.json();
        currentSettings = data.settings;
        
        renderSettingsTable(data.settings);
        // Sync quick-setting input
        syncInactivitySettingUI();
        
    } catch (error) {
        console.error('Failed to load settings:', error);
        showAlert('Failed to load settings', 'error');
    }
}

function renderSettingsTable(settings) {
    const tbody = document.getElementById('settings-table-body');
    
    if (settings.length === 0) {
        tbody.innerHTML = '<tr><td colspan="5" class="text-center">No settings found</td></tr>';
        return;
    }
    
    tbody.innerHTML = settings.map(setting => `
        <tr>
            <td><code>${setting.setting_key}</code></td>
            <td>${setting.setting_value}</td>
            <td><span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-neutral-200 text-neutral-700 dark:bg-neutral-700 dark:text-neutral-300">${setting.setting_type}</span></td>
            <td>${setting.description || '-'}</td>
            <td>
                <div class="flex items-center gap-2">
                    <button class="px-2 py-1 border border-primary-600 text-primary-700 dark:text-primary-300 rounded text-xs hover:bg-primary-50 dark:hover:bg-primary-900/20" onclick="editSetting('${setting.setting_key}')" title="Edit">
                        <i class="fas fa-edit"></i>
                    </button>
                    <button class="px-2 py-1 border border-danger-600 text-danger-700 dark:text-danger-300 rounded text-xs hover:bg-danger-50 dark:hover:bg-danger-900/20" onclick="deleteSetting('${setting.setting_key}')" title="Delete">
                        <i class="fas fa-trash"></i>
                    </button>
                </div>
            </td>
        </tr>
    `).join('');
}

function showCreateSettingModal() {
    document.getElementById('settingModalTitle').textContent = 'Add Setting';
    document.getElementById('settingForm').reset();
    document.getElementById('settingKey').readOnly = false;
    document.getElementById('settingModal').classList.remove('hidden');
}

async function editSetting(settingKey) {
    try {
        const response = await fetch('/api/admin/settings/' + encodeURIComponent(settingKey), {
            headers: getAuthHeaders()
        });
        const setting = await response.json();
        
        document.getElementById('settingModalTitle').textContent = 'Edit Setting';
        document.getElementById('settingKey').value = setting.setting_key;
        document.getElementById('settingKey').readOnly = true;
        document.getElementById('settingValue').value = setting.setting_value;
        document.getElementById('settingType').value = setting.setting_type;
        document.getElementById('settingDescription').value = setting.description || '';
        
        document.getElementById('settingModal').classList.remove('hidden');
        
    } catch (error) {
        console.error('Failed to load setting:', error);
        showAlert('Failed to load setting details', 'error');
    }
}

async function saveSetting() {
    const settingKey = document.getElementById('settingKey').value;
    const isEdit = document.getElementById('settingKey').readOnly;
    
    const settingData = {
        setting_key: settingKey,
        setting_value: document.getElementById('settingValue').value,
        setting_type: document.getElementById('settingType').value,
        description: document.getElementById('settingDescription').value
    };
    
    try {
        const url = isEdit ? '/api/admin/settings/' + encodeURIComponent(settingKey) : '/api/admin/settings';
        const method = isEdit ? 'PUT' : 'POST';
        
        const response = await fetch(url, {
            method: method,
            headers: getAuthHeaders(),
            body: JSON.stringify(isEdit ? {
                setting_value: settingData.setting_value,
                description: settingData.description
            } : settingData)
        });
        
        if (response.ok) {
            document.getElementById('settingModal').classList.add('hidden');
            showAlert(isEdit ? 'Setting updated successfully' : 'Setting created successfully', 'success');
            loadSettings();
        } else {
            const error = await response.json();
            showAlert(error.detail || 'Failed to save setting', 'error');
        }
        
    } catch (error) {
        console.error('Failed to save setting:', error);
        showAlert('Failed to save setting', 'error');
    }
}

// Inactivity quick-setting helpers
function getSettingValueByKey(key) {
    const found = (currentSettings || []).find(s => s.setting_key === key);
    return found ? found.setting_value : null;
}

function syncInactivitySettingUI() {
    const input = document.getElementById('inactivityMinutesInput');
    if (!input) return;
    let value = getSettingValueByKey('inactivity_warning_minutes');
    if (!value) value = '240';
    input.value = value;
}

async function saveInactivitySetting() {
    const input = document.getElementById('inactivityMinutesInput');
    const raw = (input?.value || '').trim();
    const minutes = parseInt(raw, 10);
    if (!Number.isFinite(minutes) || minutes <= 0) {
        if (window.alerts) window.alerts.error('Please enter a valid positive number of minutes.', { duration: 4000 });
        return;
    }

    const existing = (currentSettings || []).some(s => s.setting_key === 'inactivity_warning_minutes');
    const url = existing ? '/api/admin/settings/' + encodeURIComponent('inactivity_warning_minutes') : '/api/admin/settings';
    const method = existing ? 'PUT' : 'POST';
    const body = existing ? {
        setting_value: String(minutes),
        description: 'Minutes of inactivity before session warning',
    } : {
        setting_key: 'inactivity_warning_minutes',
        setting_value: String(minutes),
        description: 'Minutes of inactivity before session warning',
        setting_type: 'INTEGER'
    };

    try {
        const response = await fetch(url, {
            method,
            headers: getAuthHeaders(),
            body: JSON.stringify(body)
        });
        if (!response.ok) throw new Error('Failed to save setting');

        // Refresh settings list/UI
        await loadSettings();
        if (window.alerts) window.alerts.success('Inactivity warning setting saved.', { duration: 3000 });
    } catch (err) {
        console.error(err);
        if (window.alerts) window.alerts.error('Could not save inactivity setting.', { duration: 4000 });
    }
}

async function deleteSetting(settingKey) {
    if (!confirm('Are you sure you want to delete this setting?')) return;
    
    try {
        const response = await fetch('/api/admin/settings/' + encodeURIComponent(settingKey), {
            method: 'DELETE',
            headers: getAuthHeaders()
        });
        
        if (response.ok) {
            showAlert('Setting deleted successfully', 'success');
            loadSettings();
        } else {
            const error = await response.json();
            showAlert(error.detail || 'Failed to delete setting', 'error');
        }
        
    } catch (error) {
        console.error('Failed to delete setting:', error);
        showAlert('Failed to delete setting', 'error');
    }
}

// Maintenance Functions
async function loadLookupTables() {
    try {
        const response = await fetch('/api/admin/lookups/tables', {
            headers: getAuthHeaders()
        });
        const data = await response.json();
        
        const element = document.getElementById('lookup-tables');
        element.innerHTML = data.tables.map(table => `
            <div class="flex justify-between items-center border-b pb-2 mb-2">
                <div>
                    <strong>${table.display_name}</strong><br>
                    <small class="text-neutral-500 dark:text-neutral-400">${table.description}</small>
                </div>
                <span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-info-100 text-info-800 dark:bg-info-900/30 dark:text-info-300">${table.record_count} records</span>
            </div>
        `).join('');
        
    } catch (error) {
        console.error('Failed to load lookup tables:', error);
        document.getElementById('lookup-tables').innerHTML = '<p class="text-danger-600 dark:text-danger-400">Failed to load lookup tables</p>';
    }
}

async function vacuumDatabase() {
    if (!confirm('This will optimize the database. Continue?')) return;
    
    try {
        const response = await fetch('/api/admin/maintenance/vacuum', { 
            method: 'POST',
            headers: getAuthHeaders()
        });
        const result = await response.json();
        
        if (response.ok) {
            showAlert('Database vacuum completed in ' + result.duration_seconds.toFixed(2) + ' seconds', 'success');
            addMaintenanceLog('Database Vacuum', 'Completed successfully');
        } else {
            showAlert(result.detail || 'Database vacuum failed', 'error');
        }
        
    } catch (error) {
        console.error('Failed to vacuum database:', error);
        showAlert('Failed to vacuum database', 'error');
    }
}

async function analyzeDatabase() {
    if (!confirm('This will analyze database statistics. Continue?')) return;
    
    try {
        const response = await fetch('/api/admin/maintenance/analyze', { 
            method: 'POST',
            headers: getAuthHeaders()
        });
        const result = await response.json();
        
        if (response.ok) {
            showAlert('Database analysis completed in ' + result.duration_seconds.toFixed(2) + ' seconds', 'success');
            addMaintenanceLog('Database Analysis', 'Completed successfully');
        } else {
            showAlert(result.detail || 'Database analysis failed', 'error');
        }
        
    } catch (error) {
        console.error('Failed to analyze database:', error);
        showAlert('Failed to analyze database', 'error');
    }
}

function addMaintenanceLog(operation, message) {
    const logElement = document.getElementById('maintenance-log');
    const timestamp = new Date().toLocaleString();
    const logEntry = `
        <div class="border-b pb-2 mb-2">
            <small class="text-neutral-500 dark:text-neutral-400">${timestamp}</small><br>
            <strong>${operation}:</strong> ${message}
        </div>
    `;
    
    if (logElement.innerHTML.includes('No maintenance operations')) {
        logElement.innerHTML = logEntry;
    } else {
        logElement.innerHTML = logEntry + logElement.innerHTML;
    }
}

// Backup Functions
async function loadBackups() {
    try {
        const response = await fetch('/api/admin/backup/list', {
            headers: getAuthHeaders()
        });
        const data = await response.json();
        
        const tbody = document.getElementById('backup-list');
        
        if (data.backups.length === 0) {
            tbody.innerHTML = '<tr><td colspan="5" class="text-center">No backups found</td></tr>';
            return;
        }
        
        tbody.innerHTML = data.backups.map(backup => `
            <tr>
                <td><code>${backup.filename}</code></td>
                <td>${backup.size}</td>
                <td>${new Date(backup.created_at).toLocaleString()}</td>
                <td>
                    <span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium ${backup.backup_type === 'manual' ? 'bg-primary-100 text-primary-800 dark:bg-primary-900/30 dark:text-primary-300' : 'bg-neutral-200 text-neutral-700 dark:bg-neutral-700 dark:text-neutral-300'}">${backup.backup_type}</span>
                </td>
                <td>
                    <button class="px-2 py-1 border border-success-600 text-success-700 dark:text-success-300 rounded text-xs hover:bg-success-50 dark:hover:bg-success-900/20" onclick="downloadBackup('${backup.filename}')" title="Download">
                        <i class="fas fa-download"></i>
                    </button>
                </td>
            </tr>
        `).join('');
        
        // Update last backup info
        if (data.backups.length > 0) {
            document.getElementById('last-backup').textContent = new Date(data.backups[0].created_at).toLocaleString();
        }
        
    } catch (error) {
        console.error('Failed to load backups:', error);
        document.getElementById('backup-list').innerHTML = '<tr><td colspan="5" class="text-center text-danger-600 dark:text-danger-400">Failed to load backups</td></tr>';
    }
}

async function createBackup() {
    if (!confirm('Create a new database backup?')) return;
    
    try {
        const response = await fetch('/api/admin/backup/create', { 
            method: 'POST',
            headers: getAuthHeaders()
        });
        const result = await response.json();
        
        if (response.ok) {
            showAlert('Backup created successfully: ' + result.backup_info.filename, 'success');
            loadBackups();
        } else {
            showAlert(result.detail || 'Failed to create backup', 'error');
        }
        
    } catch (error) {
        console.error('Failed to create backup:', error);
        showAlert('Failed to create backup', 'error');
    }
}

async function downloadBackup(filename) {
    try {
        const response = await fetch('/api/admin/backup/download', {
            method: 'GET',
            headers: getAuthHeaders()
        });

        if (!response.ok) {
            let errorMsg = 'Failed to download backup';
            try {
                const err = await response.json();
                errorMsg = err.detail || errorMsg;
            } catch (_) {}
            showAlert(errorMsg, 'error');
            return;
        }

        const blob = await response.blob();

        // Try to extract filename from headers if provided
        let suggestedName = filename || 'database_backup.db';
        const disp = response.headers.get('Content-Disposition') || response.headers.get('content-disposition');
        if (disp) {
            const match = /filename\*=UTF-8''([^;]+)|filename="?([^";]+)"?/i.exec(disp);
            const extracted = match && (match[1] || match[2]);
            if (extracted) {
                try { suggestedName = decodeURIComponent(extracted); } catch (_) { suggestedName = extracted; }
            }
        }

        const url = window.URL.createObjectURL(blob);
        const a = document.createElement('a');
        a.href = url;
        a.download = suggestedName;
        document.body.appendChild(a);
        a.click();
        a.remove();
        window.URL.revokeObjectURL(url);
    } catch (error) {
        console.error('Backup download failed:', error);
        showAlert('Failed to download backup', 'error');
    }
}

// Utility Functions
function refreshDashboard() {
    loadSystemHealth();
    loadSystemStats();
    loadUsers();
    loadSettings();
    loadLookupTables();
    loadBackups();
    
    // Only refresh issues if on issues tab
    if (document.getElementById('issues-tab').classList.contains('active')) {
        loadIssues();
        loadIssueStats();
    }
    
    showAlert('Dashboard refreshed', 'info');
}

// Issue Tracking Functions
let currentIssues = [];
let allUsers = [];

async function loadIssues() {
    try {
        const statusFilter = document.getElementById('issueStatusFilter').value;
        const priorityFilter = document.getElementById('issuePriorityFilter').value;
        const categoryFilter = document.getElementById('issueCategoryFilter').value;
        const assignedToMe = document.getElementById('assignedToMeFilter').checked;
        
        let url = '/api/support/tickets?';
        if (statusFilter) url += 'status=' + encodeURIComponent(statusFilter) + '&';
        if (priorityFilter) url += 'priority=' + encodeURIComponent(priorityFilter) + '&';
        if (categoryFilter) url += 'category=' + encodeURIComponent(categoryFilter) + '&';
        if (assignedToMe) url += 'assigned_to_me=true&';
        
        const response = await fetch(url, {
            headers: getAuthHeaders()
        });
        
        if (!response.ok) {
            throw new Error('Failed to load issues');
        }
        
        const issues = await response.json();
        currentIssues = issues;
        
        renderIssuesTable(issues);
        
    } catch (error) {
        console.error('Failed to load issues:', error);
        document.getElementById('issues-table-body').innerHTML = '<tr><td colspan="9" class="text-center text-danger-600 dark:text-danger-400">Failed to load issues</td></tr>';
        showAlert('Failed to load issues', 'error');
    }
}

async function loadIssueStats() {
    try {
        const response = await fetch('/api/support/stats', {
            headers: getAuthHeaders()
        });
        
        if (!response.ok) {
            throw new Error('Failed to load issue stats');
        }
        
        const stats = await response.json();
        
        // Update dashboard cards
        const updateElement = (id, value) => {
            const element = document.getElementById(id);
            if (element) {
                element.textContent = value || 0;
            }
        };
        
        updateElement('high-priority-count', (stats.high_priority_tickets || 0) + (stats.urgent_tickets || 0));
        updateElement('open-issues-count', stats.open_tickets || 0);
        updateElement('in-progress-count', stats.in_progress_tickets || 0);
        updateElement('resolved-count', stats.resolved_tickets || 0);
        
    } catch (error) {
        console.error('Failed to load issue stats:', error);
        showAlert('Failed to load issue statistics', 'error');
    }
}

function renderIssuesTable(issues) {
    const tbody = document.getElementById('issues-table-body');
    
    if (issues.length === 0) {
        tbody.innerHTML = '<tr><td colspan="9" class="text-center">No issues found</td></tr>';
        return;
    }
    
    tbody.innerHTML = issues.map(issue => {
        const priorityClass = {
            'urgent': 'bg-danger-100 text-danger-800 dark:bg-danger-900/30 dark:text-danger-300',
            'high': 'bg-warning-100 text-warning-800 dark:bg-warning-900/30 dark:text-warning-300',
            'medium': 'bg-info-100 text-info-800 dark:bg-info-900/30 dark:text-info-300', 
            'low': 'bg-neutral-200 text-neutral-700 dark:bg-neutral-700 dark:text-neutral-300'
        }[issue.priority] || 'bg-neutral-200 text-neutral-700 dark:bg-neutral-700 dark:text-neutral-300';
        
        const statusClass = {
            'open': 'bg-danger-100 text-danger-800 dark:bg-danger-900/30 dark:text-danger-300',
            'in_progress': 'bg-warning-100 text-warning-800 dark:bg-warning-900/30 dark:text-warning-300',
            'resolved': 'bg-success-100 text-success-800 dark:bg-success-900/30 dark:text-success-300',
            'closed': 'bg-neutral-200 text-neutral-700 dark:bg-neutral-700 dark:text-neutral-300'
        }[issue.status] || 'bg-neutral-200 text-neutral-700 dark:bg-neutral-700 dark:text-neutral-300';
        
        const categoryDisplay = {
            'bug_report': 'Bug Report',
            'qa_issue': 'QA Issue',
            'feature_request': 'Feature Request',
            'database_issue': 'Database Issue',
            'system_error': 'System Error',
            'user_access': 'User Access',
            'performance': 'Performance',
            'documentation': 'Documentation',
            'configuration': 'Configuration',
            'testing': 'Testing'
        }[issue.category] || issue.category;
        
        return `
        <tr>
            <td><strong>${issue.ticket_number}</strong></td>
            <td>
                <span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-primary-100 text-primary-800 dark:bg-primary-900/30 dark:text-primary-300">${categoryDisplay}</span>
            </td>
            <td>
                <span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium ${priorityClass}">${issue.priority.toUpperCase()}</span>
            </td>
            <td>
                <div style="max-width: 200px; overflow: hidden; text-overflow: ellipsis;">
                    ${issue.subject}
                </div>
            </td>
            <td>${issue.contact_name}</td>
            <td>
                <span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium ${statusClass}">${issue.status.replace('_', ' ').toUpperCase()}</span>
            </td>
            <td>${issue.assigned_admin_name || 'Unassigned'}</td>
            <td>${new Date(issue.created_at).toLocaleDateString()}</td>
            <td>
                <button class="px-2 py-1 border border-primary-600 text-primary-700 dark:text-primary-300 rounded text-xs hover:bg-primary-50 dark:hover:bg-primary-900/20" onclick="viewIssue(${issue.id})" title="View Details">
                    <i class="fas fa-eye"></i>
                </button>
            </td>
        </tr>
        `;
    }).join('');
}

function filterIssues() {
    loadIssues();
}

async function viewIssue(issueId) {
    try {
        const response = await fetch('/api/support/tickets/' + issueId, {
            headers: getAuthHeaders()
        });
        
        if (!response.ok) {
            throw new Error('Failed to load issue details');
        }
        
        const issue = await response.json();
        
        // Populate issue detail modal
        document.getElementById('issueDetailNumber').textContent = issue.ticket_number;
        document.getElementById('issueDetailSubject').textContent = issue.subject;
        document.getElementById('issueDetailDescription').textContent = issue.description;
        
        // Update badges
        const categoryDisplay = {
            'bug_report': 'Bug Report',
            'qa_issue': 'QA Issue',
            'feature_request': 'Feature Request',
            'database_issue': 'Database Issue',
            'system_error': 'System Error',
            'user_access': 'User Access',
            'performance': 'Performance',
            'documentation': 'Documentation',
            'configuration': 'Configuration',
            'testing': 'Testing'
        }[issue.category] || issue.category;
        
        document.getElementById('issueDetailCategory').textContent = categoryDisplay;
        document.getElementById('issueDetailCategory').className = 'inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-primary-100 text-primary-800 dark:bg-primary-900/30 dark:text-primary-300';
        
        document.getElementById('issueDetailPriority').textContent = issue.priority.toUpperCase();
        document.getElementById('issueDetailPriority').className = 'inline-flex items-center px-2 py-0.5 rounded text-xs font-medium ml-2 ' + ({
            'urgent': 'bg-danger-100 text-danger-800 dark:bg-danger-900/30 dark:text-danger-300',
            'high': 'bg-warning-100 text-warning-800 dark:bg-warning-900/30 dark:text-warning-300',
            'medium': 'bg-info-100 text-info-800 dark:bg-info-900/30 dark:text-info-300',
            'low': 'bg-neutral-200 text-neutral-700 dark:bg-neutral-700 dark:text-neutral-300'
        }[issue.priority] || 'bg-neutral-200 text-neutral-700 dark:bg-neutral-700 dark:text-neutral-300');
        
        document.getElementById('issueDetailStatus').textContent = issue.status.replace('_', ' ').toUpperCase();
        document.getElementById('issueDetailStatus').className = 'inline-flex items-center px-2 py-0.5 rounded text-xs font-medium ' + ({
            'open': 'bg-danger-100 text-danger-800 dark:bg-danger-900/30 dark:text-danger-300',
            'in_progress': 'bg-warning-100 text-warning-800 dark:bg-warning-900/30 dark:text-warning-300', 
            'resolved': 'bg-success-100 text-success-800 dark:bg-success-900/30 dark:text-success-300',
            'closed': 'bg-neutral-200 text-neutral-700 dark:bg-neutral-700 dark:text-neutral-300'
        }[issue.status] || 'bg-neutral-200 text-neutral-700 dark:bg-neutral-700 dark:text-neutral-300');
        
        // Update context info
        document.getElementById('issueCurrentPage').textContent = issue.current_page || 'Unknown';
        document.getElementById('issueBrowserInfo').textContent = issue.browser_info || 'Unknown';
        document.getElementById('issueIpAddress').textContent = issue.ip_address || 'Unknown';
        
        // Update sidebar info
        document.getElementById('issueDetailReporter').textContent = issue.contact_name;
        document.getElementById('issueDetailEmail').textContent = issue.contact_email;
        document.getElementById('issueDetailCreated').textContent = new Date(issue.created_at).toLocaleString();
        document.getElementById('issueDetailUpdated').textContent = issue.updated_at ? new Date(issue.updated_at).toLocaleString() : 'Never';
        
        if (issue.resolved_at) {
            document.getElementById('issueDetailResolved').textContent = new Date(issue.resolved_at).toLocaleString();
            document.getElementById('issueResolvedInfo').style.display = 'block';
        } else {
            document.getElementById('issueResolvedInfo').style.display = 'none';
        }
        
        // Update form fields for editing
        document.getElementById('updateStatus').value = issue.status;
        document.getElementById('updatePriority').value = issue.priority;
        document.getElementById('updateAssignee').value = issue.assigned_to || '';
        
        // Store current issue ID for updates
        window.currentIssueId = issue.id;
        
        // Load users for assignment dropdown
        await loadUsersForAssignment();
        
        // Load and display responses
        displayIssueResponses(issue.responses);
        
        // Show modal
        openModal('issueDetailModal');
        
    } catch (error) {
        console.error('Failed to load issue details:', error);
        showAlert('Failed to load issue details', 'error');
    }
}

async function loadUsersForAssignment() {
    try {
        if (allUsers.length === 0) {
            const response = await fetch('/api/admin/users', {
                headers: getAuthHeaders()
            });
            allUsers = await response.json();
        }
        
        const select = document.getElementById('updateAssignee');
        select.innerHTML = '<option value="">Unassigned</option>';
        
        allUsers.filter(user => user.is_admin && user.is_active).forEach(user => {
            select.innerHTML += `<option value="${user.id}">${user.first_name} ${user.last_name} (${user.username})</option>`;
        });
        
    } catch (error) {
        console.error('Failed to load users for assignment:', error);
    }
}

function displayIssueResponses(responses) {
    const container = document.getElementById('issueResponsesList');
    
    if (responses.length === 0) {
        container.innerHTML = '<p class="text-neutral-500 dark:text-neutral-400">No responses yet.</p>';
        return;
    }
    
    container.innerHTML = responses.map(response => {
        const isInternal = response.is_internal;
        const badgeClass = isInternal 
            ? 'bg-warning-100 text-warning-800 dark:bg-warning-900/30 dark:text-warning-300' 
            : 'bg-primary-100 text-primary-800 dark:bg-primary-900/30 dark:text-primary-300';
        const badgeText = isInternal ? 'Internal' : 'Public';
        
        return `
        <div class="border border-neutral-200 dark:border-neutral-700 rounded p-3 mb-3">
            <div class="flex justify-between items-start mb-2">
                <div>
                    <strong>${response.author_name}</strong>
                    <span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium ${badgeClass} ml-2">${badgeText}</span>
                </div>
                <small class="text-neutral-500 dark:text-neutral-400">${new Date(response.created_at).toLocaleString()}</small>
            </div>
            <div style="white-space: pre-wrap;">${response.message}</div>
        </div>
        `;
    }).join('');
}

async function updateIssue() {
    if (!window.currentIssueId) {
        showAlert('No issue selected for update', 'error');
        return;
    }
    
    try {
        const updateData = {
            status: document.getElementById('updateStatus').value,
            priority: document.getElementById('updatePriority').value,
            assigned_to: document.getElementById('updateAssignee').value || null
        };
        
        const response = await fetch('/api/support/tickets/' + window.currentIssueId, {
            method: 'PUT',
            headers: getAuthHeaders(),
            body: JSON.stringify(updateData)
        });
        
        if (!response.ok) {
            throw new Error('Failed to update issue');
        }
        
        showAlert('Issue updated successfully', 'success');
        
        // Refresh the issue details and table
        await viewIssue(window.currentIssueId);
        await loadIssues();
        await loadIssueStats();
        
    } catch (error) {
        console.error('Failed to update issue:', error);
        showAlert('Failed to update issue', 'error');
    }
}

async function addResponse() {
    const message = document.getElementById('newResponseMessage').value.trim();
    const isInternal = document.getElementById('newResponseInternal').checked;
    
    if (!message) {
        showAlert('Please enter a response message', 'error');
        return;
    }
    
    if (!window.currentIssueId) {
        showAlert('No issue selected for response', 'error');
        return;
    }
    
    try {
        const response = await fetch('/api/support/tickets/' + window.currentIssueId + '/responses', {
            method: 'POST',
            headers: getAuthHeaders(),
            body: JSON.stringify({
                message: message,
                is_internal: isInternal
            })
        });
        
        if (!response.ok) {
            throw new Error('Failed to add response');
        }
        
        showAlert('Response added successfully', 'success');
        
        // Clear form
        document.getElementById('newResponseMessage').value = '';
        document.getElementById('newResponseInternal').checked = false;
        
        // Refresh the issue details
        await viewIssue(window.currentIssueId);
        
    } catch (error) {
        console.error('Failed to add response:', error);
        showAlert('Failed to add response', 'error');
    }
}

// Import Management Functions
let availableImportFiles = {};
let importInProgress = false;

async function loadAvailableImportFiles() {
    try {
        const response = await fetch('/api/import/available-files', {
            headers: getAuthHeaders()
        });
        
        if (!response.ok) throw new Error('Failed to load available files');
        
        const data = await response.json();
        availableImportFiles = data;
        
        // Populate file type dropdowns
        const fileTypeSelect = document.getElementById('adminFileType');
        const clearTableSelect = document.getElementById('adminClearTableType');
        
        fileTypeSelect.innerHTML = '<option value="">Select data type...</option>';
        clearTableSelect.innerHTML = '<option value="">Select table to clear...</option>';
        
        data.available_files.forEach(fileType => {
            const description = data.descriptions[fileType] || fileType;
            
            const option1 = document.createElement('option');
            option1.value = fileType;
            option1.textContent = `${fileType} - ${description}`;
            fileTypeSelect.appendChild(option1);
            
            const option2 = document.createElement('option');
            option2.value = fileType;
            option2.textContent = `${fileType} - ${description}`;
            clearTableSelect.appendChild(option2);
        });
        
        // Setup form listener
        document.getElementById('adminImportForm').addEventListener('submit', handleAdminImport);
        
        // File type change listener
        document.getElementById('adminFileType').addEventListener('change', updateAdminFileTypeDescription);
        
    } catch (error) {
        console.error('Error loading available files:', error);
        showAlert('Error loading available file types: ' + error.message, 'error');
    }
}

async function loadImportStatus() {
    try {
        const response = await fetch('/api/import/status', {
            headers: getAuthHeaders()
        });
        
        if (!response.ok) throw new Error('Failed to load import status');
        
        const status = await response.json();
        displayImportStatus(status);
        
    } catch (error) {
        console.error('Error loading import status:', error);
        document.getElementById('importStatus').innerHTML = 
            `<div class="bg-danger-50 text-danger-800 border-l-4 border-danger-500 p-3 rounded">Error loading import status: ${error.message}</div>`;
    }
}

function displayImportStatus(status) {
    const container = document.getElementById('importStatus');
    
    let html = '<div class="grid grid-cols-1 md:grid-cols-3 gap-2">';
    let totalRecords = 0;
    
    Object.entries(status).forEach(([fileType, info], index) => {
        totalRecords += info.record_count || 0;
        
        const statusClass = info.error ? 'danger' : (info.record_count > 0 ? 'success' : 'secondary');
        const statusIcon = info.error ? 'triangle-exclamation' : (info.record_count > 0 ? 'circle-check' : 'circle');
        
        // grid handles wrapping; no manual row breaks needed
        
        html += `
            <div>
                <div class="border rounded-lg p-2 ${statusClass === 'danger' ? 'border-danger-300 dark:border-danger-700' : statusClass === 'success' ? 'border-success-300 dark:border-success-700' : 'border-neutral-200 dark:border-neutral-700'}">
                    <div class="p-0.5">
                        <div class="flex justify-between items-center">
                            <div>
                                <small class="font-semibold">${fileType}</small><br>
                                <small class="text-neutral-500 dark:text-neutral-400">${info.table_name}</small>
                            </div>
                            <div class="text-right">
                                <i class="fa-solid fa-${statusIcon} ${statusClass === 'danger' ? 'text-danger-600' : statusClass === 'success' ? 'text-success-600' : 'text-neutral-400'}"></i><br>
                                <small class="font-semibold">${info.record_count || 0}</small>
                            </div>
                        </div>
                        ${info.error ? `<div class="text-danger-600 dark:text-danger-400 text-xs mt-1">${info.error}</div>` : ''}
                    </div>
                </div>
            </div>
        `;
    });
    
    html += '</div>';
    html += `<div class="mt-3 text-center">
        <strong>Total Records: ${totalRecords.toLocaleString()}</strong>
    </div>`;
    
    container.innerHTML = html;
}

function updateAdminFileTypeDescription() {
    const fileType = document.getElementById('adminFileType').value;
    const description = availableImportFiles.descriptions && availableImportFiles.descriptions[fileType];
    document.getElementById('adminFileTypeDescription').textContent = description || '';
}

async function validateAdminFile() {
    const fileType = document.getElementById('adminFileType').value;
    const fileInput = document.getElementById('adminCsvFile');
    
    if (!fileType || !fileInput.files[0]) {
        showAlert('Please select both file type and CSV file', 'error');
        return;
    }
    
    const formData = new FormData();
    formData.append('file', fileInput.files[0]);
    
    try {
        showAdminProgress(true, 'Validating file...');
        
        const response = await fetch(`/api/import/validate/${fileType}`, {
            method: 'POST',
            headers: getAuthHeaders(),
            body: formData
        });
        
        if (!response.ok) {
            const error = await response.json();
            throw new Error(error.detail || 'Validation failed');
        }
        
        const result = await response.json();
        displayAdminValidationResults(result);
        
    } catch (error) {
        console.error('Validation error:', error);
        showAlert('Validation failed: ' + error.message, 'error');
    } finally {
        showAdminProgress(false);
    }
}

function displayAdminValidationResults(result) {
    const panel = document.getElementById('adminValidationPanel');
    const container = document.getElementById('adminValidationResults');
    
    let html = '';
    
    // Overall status
    const statusClass = result.valid ? 'success' : 'danger';
    const statusIcon = result.valid ? 'circle-check' : 'triangle-exclamation';
    
    html += `
        <div class="${statusClass === 'success' ? 'bg-success-50 text-success-700 border-success-500' : 'bg-danger-50 text-danger-700 border-danger-500'} border-l-4 p-3 rounded">
            <i class="fa-solid fa-${statusIcon}"></i> 
            File validation ${result.valid ? 'passed' : 'failed'}
        </div>
    `;
    
    // Headers validation
    html += '<h6>Column Headers</h6>';
    if (result.headers.missing.length > 0) {
        html += `<div class="bg-warning-50 text-warning-800 border-l-4 border-warning-500 p-3 rounded">
            <strong>Missing columns:</strong> ${result.headers.missing.join(', ')}
        </div>`;
    }
    if (result.headers.extra.length > 0) {
        html += `<div class="bg-info-50 text-info-800 border-l-4 border-info-500 p-3 rounded">
            <strong>Extra columns:</strong> ${result.headers.extra.join(', ')}
        </div>`;
    }
    if (result.headers.missing.length === 0 && result.headers.extra.length === 0) {
        html += '<div class="bg-success-50 text-success-800 border-l-4 border-success-500 p-3 rounded">All expected columns found</div>';
    }
    
    // Sample data
    if (result.sample_data && result.sample_data.length > 0) {
        html += '<h6>Sample Data (First 10 rows)</h6>';
        html += '<div class="overflow-x-auto">';
        html += '<table class="min-w-full text-sm">';
        html += '<thead><tr>';
        Object.keys(result.sample_data[0]).forEach(header => {
            html += `<th class="px-2 py-1 text-left border-b border-neutral-200 dark:border-neutral-700">${header}</th>`;
        });
        html += '</tr></thead><tbody>';
        
        result.sample_data.forEach(row => {
            html += '<tr class="odd:bg-neutral-50 dark:odd:bg-neutral-800/50">';
            Object.values(row).forEach(value => {
                html += `<td class="px-2 py-1">${value || ''}</td>`;
            });
            html += '</tr>';
        });
        html += '</tbody></table></div>';
    }
    
    // Validation errors
    if (result.validation_errors && result.validation_errors.length > 0) {
        html += '<h6>Data Issues Found</h6>';
        html += '<div class="bg-warning-50 text-warning-800 border-l-4 border-warning-500 p-3 rounded">';
        result.validation_errors.forEach(error => {
            html += `<div>Row ${error.row}, Field "${error.field}": ${error.error}</div>`;
        });
        if (result.total_errors > result.validation_errors.length) {
            html += `<div class="mt-2"><strong>... and ${result.total_errors - result.validation_errors.length} more errors</strong></div>`;
        }
        html += '</div>';
    }
    
    container.innerHTML = html;
    panel.style.display = 'block';
}

async function handleAdminImport(event) {
    event.preventDefault();
    
    if (importInProgress) {
        showAlert('Import already in progress', 'error');
        return;
    }
    
    const fileType = document.getElementById('adminFileType').value;
    const fileInput = document.getElementById('adminCsvFile');
    const replaceExisting = document.getElementById('adminReplaceExisting').checked;
    
    if (!fileType || !fileInput.files[0]) {
        showAlert('Please select both file type and CSV file', 'error');
        return;
    }
    
    importInProgress = true;
    
    const formData = new FormData();
    formData.append('file', fileInput.files[0]);
    formData.append('replace_existing', replaceExisting);
    
    try {
        showAdminProgress(true, 'Importing data...');
        
        const response = await fetch(`/api/import/upload/${fileType}`, {
            method: 'POST',
            headers: getAuthHeaders(),
            body: formData
        });
        
        if (!response.ok) {
            const error = await response.json();
            throw new Error(error.detail || 'Import failed');
        }
        
        const result = await response.json();
        displayAdminImportResults(result);
        
        // Refresh status after successful import
        await loadImportStatus();
        
        // Reset form
        document.getElementById('adminImportForm').reset();
        
    } catch (error) {
        console.error('Import error:', error);
        showAlert('Import failed: ' + error.message, 'error');
    } finally {
        importInProgress = false;
        showAdminProgress(false);
    }
}

function displayAdminImportResults(result) {
    const panel = document.getElementById('adminResultsPanel');
    const container = document.getElementById('adminImportResults');
    
    const successClass = result.errors && result.errors.length > 0 ? 'warning' : 'success';
    
    let html = `
        <div class="${successClass === 'warning' ? 'bg-warning-50 text-warning-800 border-warning-500' : 'bg-success-50 text-success-800 border-success-500'} border-l-4 p-3 rounded">
            <h6 class="font-semibold flex items-center gap-2"><i class="fa-regular fa-circle-check"></i> Import Completed</h6>
            <p class="mb-0">
                <strong>File Type:</strong> ${result.file_type}<br>
                <strong>Records Imported:</strong> ${result.imported_count}<br>
                <strong>Errors:</strong> ${result.total_errors || 0}
            </p>
        </div>
    `;
    
    if (result.errors && result.errors.length > 0) {
        html += '<h6>Import Errors</h6>';
        html += '<div class="bg-danger-50 text-danger-800 border-l-4 border-danger-500 p-3 rounded">';
        result.errors.forEach(error => {
            html += `<div><strong>Row ${error.row}:</strong> ${error.error}</div>`;
        });
        if (result.total_errors > result.errors.length) {
            html += `<div class="mt-2"><strong>... and ${result.total_errors - result.errors.length} more errors</strong></div>`;
        }
        html += '</div>';
    }
    
    container.innerHTML = html;
    panel.style.display = 'block';
}

function showAdminProgress(show, message = '') {
    const panel = document.getElementById('adminProgressPanel');
    const status = document.getElementById('adminProgressStatus');
    const bar = document.getElementById('adminProgressBar');
    
    if (show) {
        status.textContent = message;
        bar.style.width = '100%';
        bar.textContent = 'Processing...';
        panel.style.display = 'block';
    } else {
        panel.style.display = 'none';
    }
}

async function clearAdminTable() {
    const fileType = document.getElementById('adminClearTableType').value;
    
    if (!fileType) {
        showAlert('Please select a table to clear', 'error');
        return;
    }
    
    if (!confirm(`Are you sure you want to clear all data from ${fileType}? This action cannot be undone.`)) {
        return;
    }
    
    try {
        const response = await fetch(`/api/import/clear/${fileType}`, {
            method: 'DELETE',
            headers: getAuthHeaders()
        });
        
        if (!response.ok) {
            const error = await response.json();
            throw new Error(error.detail || 'Clear operation failed');
        }
        
        const result = await response.json();
        showAlert(`Successfully cleared ${result.deleted_count} records from ${result.table_name}`, 'success');
        
        // Refresh status
        await loadImportStatus();
        
    } catch (error) {
        console.error('Clear table error:', error);
        showAlert('Clear operation failed: ' + error.message, 'error');
    }
}

function viewImportLogs() {
    showAlert('Import logs functionality coming soon', 'info');
}

function searchUsers() {
    const searchTerm = document.getElementById('user-search').value.toLowerCase();
    const filteredUsers = currentUsers.filter(user => 
        user.username.toLowerCase().includes(searchTerm) ||
        user.email.toLowerCase().includes(searchTerm) ||
        (user.first_name && user.first_name.toLowerCase().includes(searchTerm)) ||
        (user.last_name && user.last_name.toLowerCase().includes(searchTerm))
    );
    renderUsersTable(filteredUsers);
}

function filterUsers() {
    loadUsers(); // Reload with current filter
}

function showAlert(message, type = 'info') {
    if (window.alerts && typeof window.alerts.show === 'function') {
        window.alerts.show(message, type);
    } else if (window.showNotification) {
        window.showNotification(message, type);
    } else {
        alert(String(message));
    }
}
</script>
{% endblock %}