{% extends "base.html" %}

{% block title %}Document Management - Delphi Database{% endblock %}

{% block content %}
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-6">
            <div class="space-y-6">
                <!-- Page Header -->
                <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
                    <div class="flex items-center gap-3">
                        <div class="flex items-center justify-center w-10 h-10 bg-primary-100 dark:bg-primary-900/30 text-primary-600 dark:text-primary-400 rounded-xl">
                            <i class="fa-regular fa-file-lines text-lg"></i>
                        </div>
                        <h1 class="text-2xl font-bold text-neutral-900 dark:text-neutral-100">Document Management</h1>
                    </div>
                    <div class="flex items-center gap-3">
                        <button id="newTemplateBtn" class="flex items-center gap-2 px-4 py-2 bg-success-600 text-white hover:bg-success-700 rounded-lg transition-colors duration-200">
                            <i class="fa-solid fa-circle-plus"></i>
                            <span>New Template</span>
                            <kbd class="hidden sm:inline-block ml-2 px-1.5 py-0.5 bg-success-700 rounded text-xs">Ctrl+N</kbd>
                        </button>
                        <button id="generateDocBtn" class="flex items-center gap-2 px-4 py-2 bg-primary-600 text-white hover:bg-primary-700 rounded-lg transition-colors duration-200">
                            <i class="fa-regular fa-file-lines"></i>
                            <span>Generate Document</span>
                        </button>
                        <button id="newQdroBtn" class="flex items-center gap-2 px-4 py-2 bg-warning-600 text-white hover:bg-warning-700 rounded-lg transition-colors duration-200">
                            <i class="fa-regular fa-file-lines"></i>
                            <span>New QDRO</span>
                        </button>
                        <button id="statsBtn" class="flex items-center gap-2 px-4 py-2 bg-info-600 text-white hover:bg-info-700 rounded-lg transition-colors duration-200">
                            <i class="fa-solid fa-chart-line"></i>
                            <span>Statistics</span>
                        </button>
                    </div>
                </div>

                <!-- Document Management Tabs -->
                <div class="bg-white dark:bg-neutral-800 rounded-lg shadow-md overflow-hidden">
                    <nav class="flex border-b border-neutral-200 dark:border-neutral-700">
                        <button class="flex-1 py-4 px-6 text-center border-b-2 border-transparent hover:border-blue-500 hover:text-blue-500 dark:hover:text-blue-400 transition duration-300" onclick="openTab(event, 'templates')" id="templates-tab">
                            <i class="fa-regular fa-file-lines mr-2"></i> Templates
                        </button>
                        <button class="flex-1 py-4 px-6 text-center border-b-2 border-transparent hover:border-blue-500 hover:text-blue-500 dark:hover:text-blue-400 transition duration-300" onclick="openTab(event, 'qdros')" id="qdros-tab">
                            <i class="fa-regular fa-file-lines mr-2"></i> QDROs
                        </button>
                        <button class="flex-1 py-4 px-6 text-center border-b-2 border-transparent hover:border-blue-500 hover:text-blue-500 dark:hover:text-blue-400 transition duration-300" onclick="openTab(event, 'generated')" id="generated-tab">
                            <i class="fa-regular fa-file-pdf mr-2"></i> Generated Documents
                        </button>
                    </nav>

                    <div id="templates" class="tabcontent p-6">
                        <div class="mt-3 bg-white dark:bg-neutral-800 rounded-xl shadow-soft border border-neutral-200 dark:border-neutral-700">
                            <div class="px-6 py-4 border-b border-neutral-200 dark:border-neutral-700">
                                <div class="grid grid-cols-1 md:grid-cols-3 gap-3 items-center">
                                    <div class="md:col-span-2">
                                        <h5 class="mb-0 font-semibold flex items-center gap-2"><i class="fa-regular fa-file-lines"></i> Document Templates</h5>
                                    </div>
                                    <div class="md:col-span-1">
                                        <div class="flex gap-2">
                                            <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 text-neutral-900 dark:text-neutral-100 placeholder-neutral-400 dark:placeholder-neutral-500 transition-all duration-200" id="templateSearch" placeholder="Search templates...">
                                            <select class="px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 transition-all duration-200" id="categoryFilter">
                                                <option value="">All Categories</option>
                                            </select>
                                            <button class="px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg hover:bg-neutral-100 dark:hover:bg-neutral-700" id="refreshTemplatesBtn"><i class="fa-solid fa-rotate-right"></i></button>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            <div class="p-6">
                                <div class="overflow-x-auto">
                                    <table class="w-full text-sm text-left border border-neutral-200 dark:border-neutral-700 rounded-lg overflow-hidden" id="templatesTable">
                                        <thead>
                                            <tr>
                                                <th>Template ID</th>
                                                <th>Name</th>
                                                <th>Category</th>
                                                <th>Variables</th>
                                                <th>Status</th>
                                                <th>Actions</th>
                                            </tr>
                                        </thead>
                                        <tbody id="templatesTableBody">
                                            <!-- Templates will be loaded here -->
                                        </tbody>
                                    </table>
                                </div>
                            </div>
                        </div>
                    </div>

                    <div id="qdros" class="tabcontent p-6 hidden">
                        <div class="mt-3 bg-white dark:bg-neutral-800 rounded-xl shadow-soft border border-neutral-200 dark:border-neutral-700">
                            <div class="px-6 py-4 border-b border-neutral-200 dark:border-neutral-700">
                                <div class="grid grid-cols-1 md:grid-cols-2 gap-3 items-center">
                                    <div><h5 class="mb-0 font-semibold"><i class="fa-regular fa-file-lines"></i> QDRO Documents</h5></div>
                                    <div>
                                        <div class="flex gap-2">
                                            <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 text-neutral-900 dark:text-neutral-100 placeholder-neutral-400 dark:placeholder-neutral-500 transition-all duration-200" id="qdroSearch" placeholder="Search QDROs...">
                                            <select class="px-3 py-2 bg-white dark:bg-neutral-800 border border-neutral-300 dark:border-neutral-600 rounded-lg text-neutral-900 dark:text-neutral-100 transition-all duration-200" id="qdroStatusFilter">
                                                <option value="">All Status</option>
                                                <option value="DRAFT">Draft</option>
                                                <option value="APPROVED">Approved</option>
                                                <option value="FILED">Filed</option>
                                            </select>
                                            <button class="px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg hover:bg-neutral-100 dark:hover:bg-neutral-700" id="refreshQdrosBtn"><i class="fa-solid fa-rotate-right"></i></button>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            <div class="p-6">
                                <div class="overflow-x-auto">
                                    <table class="w-full text-sm text-left border border-neutral-200 dark:border-neutral-700 rounded-lg overflow-hidden" id="qdrosTable">
                                        <thead>
                                            <tr>
                                                <th>File #</th>
                                                <th>Version</th>
                                                <th>Participant</th>
                                                <th>Spouse</th>
                                                <th>Plan Name</th>
                                                <th>Status</th>
                                                <th>Created</th>
                                                <th>Actions</th>
                                            </tr>
                                        </thead>
                                        <tbody id="qdrosTableBody">
                                            <!-- QDROs will be loaded here -->
                                        </tbody>
                                    </table>
                                </div>
                            </div>
                        </div>
                    </div>

                    <div id="generated" class="tabcontent p-6 hidden">
                        <div class="mt-3 bg-white dark:bg-neutral-800 rounded-xl shadow-soft border border-neutral-200 dark:border-neutral-700">
                            <div class="px-6 py-4 border-b border-neutral-200 dark:border-neutral-700"><h5 class="mb-0 font-semibold"><i class="fa-regular fa-file-pdf"></i> Generated & Uploaded Documents</h5></div>
                            <div class="p-6">
                                <div class="grid grid-cols-1 md:grid-cols-3 gap-3 items-end mb-4">
                                    <div>
                                        <label for="uploadFileNo" class="block text-sm font-medium mb-1">File Number</label>
                                        <div class="flex gap-2">
                                            <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 text-neutral-900 dark:text-neutral-100" id="uploadFileNo" placeholder="Enter file #">
                                            <button type="button" id="clearUploadFileNoBtn" class="px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg hover:bg-neutral-100 dark:hover:bg-neutral-700" title="Clear">
                                                <i class="fa-solid fa-xmark"></i>
                                            </button>
                                        </div>
                                        <div id="uploadFileNoError" class="text-xs text-red-600 mt-1 hidden">Please enter a file number</div>
                                    </div>
                                    <div>
                                        <label for="uploadInput" class="block text-sm font-medium mb-1">Choose File</label>
                                        <input type="file" id="uploadInput" class="block w-full text-sm text-neutral-900 dark:text-neutral-100 file:mr-4 file:py-2 file:px-4 file:rounded-lg file:border-0 file:text-sm file:font-semibold file:bg-neutral-100 dark:file:bg-neutral-700 file:text-neutral-700 dark:file:text-neutral-200 hover:file:bg-neutral-200 dark:hover:file:bg-neutral-600" />
                                        <div id="uploadInputError" class="text-xs text-red-600 mt-1 hidden">Please choose a file to upload</div>
                                    </div>
                                    <div class="flex gap-2">
                                        <button type="button" id="uploadBtn" class="px-4 py-2 bg-primary-600 text-white hover:bg-primary-700 rounded-lg transition-colors"><i class="fa-solid fa-upload mr-2"></i>Upload</button>
                                        <button type="button" id="refreshUploadsBtn" class="px-4 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg hover:bg-neutral-100 dark:hover:bg-neutral-700 transition-colors"><i class="fa-solid fa-rotate-right mr-2"></i>Refresh</button>
                                    </div>
                                </div>
                                <div id="uploadDropZone" class="mt-3 p-6 border-2 border-dashed border-neutral-300 dark:border-neutral-600 rounded-lg text-center text-neutral-500">
                                    <i class="fa-solid fa-cloud-arrow-up text-2xl mb-2"></i>
                                    <div>Drag & drop files here to upload</div>
                                    <div class="text-xs mt-1">or use the chooser above and click Upload</div>
                                </div>
                                <div id="uploadingIndicator" class="mt-2 text-sm text-neutral-500 hidden"><i class="fa-solid fa-spinner animate-spin mr-2"></i>Uploading…</div>
                                <div class="mt-2 flex items-center justify-between">
                                    <div class="flex items-center gap-2 text-xs">
                                        <span class="text-neutral-500">Live updates:</span>
                                        <span id="docLiveBadge"></span>
                                    </div>
                                    <button id="reconnectDocWsBtn" type="button" class="text-xs px-2 py-1 rounded bg-neutral-100 dark:bg-neutral-700 hover:bg-neutral-200 dark:hover:bg-neutral-600 text-neutral-700 dark:text-neutral-300 border border-neutral-300 dark:border-neutral-600">Reconnect</button>
                                </div>
                                <div id="uploadProgressList" class="space-y-2 mt-3"></div>
                                <div id="docEventFeed" class="space-y-2 mt-3" aria-live="polite"></div>
                                <div id="uploadedDocuments" class="mb-6">
                                    <p class="text-neutral-500">Uploaded documents will appear here.</p>
                                </div>
                                <div id="generatedDocuments"><p class="text-neutral-500">Generated documents will appear here...</p></div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    
</div>

<!-- Template Editor Modal -->
<div class="hidden fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4" id="templateModal">
    <div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl max-w-5xl w-full max-h-[90vh] overflow-y-auto">
        <div class="flex items-center justify-between px-6 py-4 border-b border-neutral-200 dark:border-neutral-700">
            <h5 class="text-lg font-semibold" id="templateModalLabel">Template Editor</h5>
            <button type="button" class="text-neutral-400 hover:text-neutral-600 dark:text-neutral-500 dark:hover:text-neutral-300" onclick="closeModal('templateModal')"><i class="fa-solid fa-xmark"></i></button>
        </div>
        <div class="px-6 py-4">
                <form id="templateForm">
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-3">
                        <div class="md:col-span-1">
                            <label for="templateId" class="block text-sm font-medium mb-1">Template ID *</label>
                            <input type="text" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="templateId" name="form_id" required>
                        </div>
                        <div class="md:col-span-1">
                            <label for="templateName" class="block text-sm font-medium mb-1">Template Name *</label>
                            <input type="text" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="templateName" name="form_name" required>
                        </div>
                        <div class="md:col-span-2">
                            <label for="templateCategory" class="block text-sm font-medium mb-1">Category</label>
                            <select class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="templateCategory" name="category">
                                <option value="GENERAL">General</option>
                                <option value="LETTERS">Letters</option>
                                <option value="CONTRACTS">Contracts</option>
                                <option value="PLEADINGS">Pleadings</option>
                                <option value="FORMS">Forms</option>
                                <option value="NOTICES">Notices</option>
                            </select>
                        </div>
                        <div class="md:col-span-2">
                            <label for="templateContent" class="block text-sm font-medium mb-1">Template Content</label>
                            <div class="mb-2">
                                <small class="text-neutral-500">
                                    Use {{VARIABLE_NAME}} or ^VARIABLE for merge fields. Available variables: FILE_NO, CLIENT_FIRST, CLIENT_LAST, CLIENT_FULL, MATTER, OPENED, ATTORNEY, TODAY
                                </small>
                            </div>
                            <textarea class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="templateContent" name="content" rows="15" 
                                      placeholder="Enter your template content here. Use {{CLIENT_FULL}} for client name, {{FILE_NO}} for file number, etc."></textarea>
                        </div>
                        <div class="md:col-span-2">
                            <div class="grid grid-cols-1 md:grid-cols-2 gap-3">
                                <div>
                                    <button type="button" class="px-3 py-1.5 border border-neutral-300 dark:border-neutral-600 rounded text-sm hover:bg-neutral-100 dark:hover:bg-neutral-700" id="insertVariableBtn">
                                    <i class="fa-solid fa-plus"></i> Insert Variable
                                    </button>
                                    <button type="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" id="previewTemplateBtn">
                                    <i class="fa-regular fa-eye"></i> Preview
                                    </button>
                                </div>
                                <div class="text-right">
                                    <div id="variableCount" class="text-neutral-500 text-sm">Variables detected: 0</div>
                                </div>
                            </div>
                        </div>
                    </div>
                </form>
        </div>
        <div class="flex items-center justify-end gap-2 px-6 py-4 border-t border-neutral-200 dark:border-neutral-700">
            <button type="button" class="px-4 py-2 bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-300 hover:bg-neutral-200 dark:hover:bg-neutral-600 rounded-lg" onclick="closeModal('templateModal')">Cancel</button>
            <button type="button" class="px-4 py-2 bg-primary-600 text-white hover:bg-primary-700 rounded-lg" id="saveTemplateBtn"><i class="fa-regular fa-circle-check"></i> Save Template</button>
        </div>
    </div>
</div>

<!-- Document Generation Modal -->
<div class="hidden fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4" id="generateModal">
    <div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl max-w-4xl w-full max-h-[90vh] overflow-y-auto">
        <div class="flex items-center justify-between px-6 py-4 border-b border-neutral-200 dark:border-neutral-700">
            <h5 class="text-lg font-semibold" id="generateModalLabel">Generate Document</h5>
            <button type="button" class="text-neutral-400 hover:text-neutral-600 dark:text-neutral-500 dark:hover:text-neutral-300" onclick="closeModal('generateModal')"><i class="fa-solid fa-xmark"></i></button>
        </div>
        <div class="px-6 py-4">
                <form id="generateForm">
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-3">
                        <div>
                            <label for="generateTemplate" class="block text-sm font-medium mb-1">Select Template *</label>
                            <select class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="generateTemplate" name="template_id" required>
                                <option value="">Choose template...</option>
                            </select>
                        </div>
                        <div>
                            <label for="generateFile" class="block text-sm font-medium mb-1">File Number *</label>
                            <div class="flex gap-2">
                                <input type="text" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="generateFile" name="file_no" required>
                                <button class="px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg hover:bg-neutral-100 dark:hover:bg-neutral-700" type="button" id="selectGenerateFileBtn">
                                    <i class="fa-solid fa-magnifying-glass"></i>
                                </button>
                            </div>
                            <div class="text-sm text-neutral-500" id="generateFileInfo">Enter file number or browse to select</div>
                        </div>
                        <div>
                            <label for="outputFormat" class="block text-sm font-medium mb-1">Output Format</label>
                            <select class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="outputFormat" name="output_format">
                                <option value="PDF">PDF</option>
                                <option value="DOCX">Word Document</option>
                                <option value="HTML">HTML</option>
                            </select>
                        </div>
                        <div>
                            <div class="mt-6 flex items-center gap-2">
                                <input class="h-4 w-4 text-primary-600 focus:ring-primary-500 border-neutral-300 rounded" type="checkbox" id="useCustomVars">
                                <label class="text-sm" for="useCustomVars">
                                    Use custom variables
                                </label>
                            </div>
                        </div>
                        <div class="md:col-span-2" id="customVariablesSection" style="display: none;">
                            <label class="block text-sm font-medium mb-1">Custom Variables</label>
                            <div id="customVariables">
                                <!-- Custom variables will be added here -->
                            </div>
                            <button type="button" class="mt-2 px-3 py-1.5 border border-neutral-300 dark:border-neutral-600 rounded text-sm hover:bg-neutral-100 dark:hover:bg-neutral-700" id="addVariableBtn">
                                <i class="fa-solid fa-plus"></i> Add Variable
                            </button>
                        </div>
                        <div class="md:col-span-2">
                            <label for="templatePreview" class="block text-sm font-medium mb-1">Template Preview</label>
                            <textarea class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="templatePreview" readonly rows="8" placeholder="Select a template to see preview..."></textarea>
                        </div>
                    </div>
                </form>
        </div>
        <div class="flex items-center justify-end gap-2 px-6 py-4 border-t border-neutral-200 dark:border-neutral-700">
            <button type="button" class="px-4 py-2 bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-300 hover:bg-neutral-200 dark:hover:bg-neutral-600 rounded-lg" onclick="closeModal('generateModal')">Cancel</button>
            <button type="button" class="px-4 py-2 bg-primary-600 text-white hover:bg-primary-700 rounded-lg" id="generateDocumentBtn"><i class="fa-regular fa-file-lines"></i> Generate Document</button>
        </div>
    </div>
</div>

<!-- QDRO Modal -->
<div class="hidden fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4" id="qdroModal">
    <div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl max-w-6xl w-full">
        <div class="flex items-center justify-between px-6 py-4 border-b border-neutral-200 dark:border-neutral-700">
            <h5 class="text-lg font-semibold" id="qdroModalLabel">QDRO Editor</h5>
            <button type="button" class="text-neutral-400 hover:text-neutral-600 dark:text-neutral-500 dark:hover:text-neutral-300" onclick="closeModal('qdroModal')"><i class="fa-solid fa-xmark"></i></button>
        </div>
        <div class="px-6 py-4">
                <form id="qdroForm">
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                        <div>
                            <label for="qdroFileNo" class="block text-sm font-medium mb-1">File Number *</label>
                            <div class="flex gap-2">
                                <input type="text" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="qdroFileNo" name="file_no" required>
                                    <button class="px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg hover:bg-neutral-100 dark:hover:bg-neutral-700" type="button" id="selectQdroFileBtn"><i class="fa-solid fa-magnifying-glass"></i></button>
                            </div>
                        </div>
                        <div>
                            <label for="qdroVersion" class="block text-sm font-medium mb-1">Version</label>
                            <input type="text" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="qdroVersion" name="version" value="01">
                        </div>
                        <div>
                            <label for="qdroStatus" class="block text-sm font-medium mb-1">Status</label>
                            <select class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="qdroStatus" name="status">
                                <option value="DRAFT">Draft</option>
                                <option value="APPROVED">Approved</option>
                                <option value="FILED">Filed</option>
                            </select>
                        </div>
                        <div>
                            <label for="qdroParticipant" class="block text-sm font-medium mb-1">Participant Name</label>
                            <input type="text" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="qdroParticipant" name="participant_name">
                        </div>
                        <div>
                            <label for="qdroSpouse" class="block text-sm font-medium mb-1">Spouse Name</label>
                            <input type="text" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="qdroSpouse" name="spouse_name">
                        </div>
                        <div>
                            <label for="qdroPlanName" class="block text-sm font-medium mb-1">Plan Name</label>
                            <input type="text" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="qdroPlanName" name="plan_name">
                        </div>
                        <div>
                            <label for="qdroPlanAdmin" class="block text-sm font-medium mb-1">Plan Administrator</label>
                            <input type="text" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="qdroPlanAdmin" name="plan_administrator">
                        </div>
                        <div>
                            <label for="qdroCreated" class="block text-sm font-medium mb-1">Created Date</label>
                            <input type="date" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="qdroCreated" name="created_date">
                        </div>
                        <div>
                            <label for="qdroApproved" class="block text-sm font-medium mb-1">Approved Date</label>
                            <input type="date" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="qdroApproved" name="approved_date">
                        </div>
                        <div>
                            <label for="qdroFiled" class="block text-sm font-medium mb-1">Filed Date</label>
                            <input type="date" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="qdroFiled" name="filed_date">
                        </div>
                        <div class="md:col-span-2">
                            <label for="qdroTitle" class="block text-sm font-medium mb-1">QDRO Title</label>
                            <input type="text" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="qdroTitle" name="title" placeholder="Enter QDRO title">
                        </div>
                        <div class="md:col-span-2">
                            <label for="qdroContent" class="block text-sm font-medium mb-1">QDRO Content</label>
                            <textarea class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="qdroContent" name="content" rows="10" placeholder="Enter QDRO content or generate from template..."></textarea>
                        </div>
                        <div class="md:col-span-2">
                            <label for="qdroNotes" class="block text-sm font-medium mb-1">Notes</label>
                            <textarea class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" id="qdroNotes" name="notes" rows="3" placeholder="Additional notes..."></textarea>
                        </div>
                    </div>
                </form>
        </div>
        <div class="flex items-center justify-end gap-2 px-6 py-4 border-t border-neutral-200 dark:border-neutral-700">
            <button type="button" class="px-4 py-2 bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-300 hover:bg-neutral-200 dark:hover:bg-neutral-600 rounded-lg" onclick="closeModal('qdroModal')">Cancel</button>
            <button type="button" class="px-4 py-2 bg-warning-600 text-white hover:bg-warning-700 rounded-lg" id="generateFromTemplateBtn"><i class="fa-regular fa-file-lines"></i> Generate from Template</button>
            <button type="button" class="px-4 py-2 bg-primary-600 text-white hover:bg-primary-700 rounded-lg" id="saveQdroBtn"><i class="fa-regular fa-circle-check"></i> Save QDRO</button>
        </div>
    </div>
</div>

<!-- Statistics Modal -->
<div class="hidden fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4" id="statsModal">
    <div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl max-w-3xl w-full max-h-[85vh] overflow-y-auto">
        <div class="flex items-center justify-between px-6 py-4 border-b border-neutral-200 dark:border-neutral-700">
            <h5 class="text-lg font-semibold" id="statsModalLabel">Document Statistics</h5>
            <button type="button" class="text-neutral-400 hover:text-neutral-600 dark:text-neutral-500 dark:hover:text-neutral-300" onclick="closeModal('statsModal')"><i class="fa-solid fa-xmark"></i></button>
        </div>
        <div class="px-6 py-4">
                <div class="grid grid-cols-1 md:grid-cols-2 gap-3">
                    <div>
                        <div class="rounded-lg shadow-soft bg-primary-600 text-white p-4 text-center">
                            <div class="text-3xl font-semibold" id="totalTemplatesCount">0</div>
                            <div class="text-sm opacity-90">Total Templates</div>
                        </div>
                    </div>
                    <div>
                        <div class="rounded-lg shadow-soft bg-success-600 text-white p-4 text-center">
                            <div class="text-3xl font-semibold" id="totalQdrosCount">0</div>
                            <div class="text-sm opacity-90">Total QDROs</div>
                        </div>
                    </div>
                </div>
                <div class="grid grid-cols-1 md:grid-cols-2 gap-3 mt-3">
                    <div>
                        <div class="bg-white dark:bg-neutral-800 rounded-lg shadow-soft border border-neutral-200 dark:border-neutral-700">
                            <div class="px-4 py-2 border-b border-neutral-200 dark:border-neutral-700">
                                <h6 class="font-semibold">Templates by Category</h6>
                            </div>
                            <div class="p-4">
                                <div id="categoriesBreakdown">
                                    <!-- Categories will be loaded here -->
                                </div>
                            </div>
                        </div>
                    </div>
                    <div>
                        <div class="bg-white dark:bg-neutral-800 rounded-lg shadow-soft border border-neutral-200 dark:border-neutral-700">
                            <div class="px-4 py-2 border-b border-neutral-200 dark:border-neutral-700">
                                <h6 class="font-semibold">Recent Activity</h6>
                            </div>
                            <div class="p-4">
                                <div id="recentActivity">
                                    <!-- Recent activity will be loaded here -->
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
        </div>
        <div class="flex items-center justify-end gap-2 px-6 py-4 border-t border-neutral-200 dark:border-neutral-700">
            <button type="button" class="px-4 py-2 bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-300 hover:bg-neutral-200 dark:hover:bg-neutral-600 rounded-lg" onclick="closeModal('statsModal')">Close</button>
        </div>
    </div>
</div>

<!-- Variable Selector Modal -->
<div class="hidden fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4" id="variableModal">
    <div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl max-w-lg w-full max-h-[80vh] overflow-y-auto">
        <div class="flex items-center justify-between px-6 py-4 border-b border-neutral-200 dark:border-neutral-700">
            <h5 class="text-lg font-semibold" id="variableModalLabel">Insert Variable</h5>
            <button type="button" class="text-neutral-400 hover:text-neutral-600 dark:text-neutral-500 dark:hover:text-neutral-300" onclick="closeModal('variableModal')"><i class="fa-solid fa-xmark"></i></button>
        </div>
        <div class="px-6 py-4">
            <div class="grid grid-cols-1 gap-2">
                <button type="button" class="px-3 py-2 text-left border rounded hover:bg-neutral-50 dark:hover:bg-neutral-700 variable-item" data-var="FILE_NO"><strong>{{FILE_NO}}</strong> - File Number</button>
                <button type="button" class="px-3 py-2 text-left border rounded hover:bg-neutral-50 dark:hover:bg-neutral-700 variable-item" data-var="CLIENT_FULL"><strong>{{CLIENT_FULL}}</strong> - Full Client Name</button>
                <button type="button" class="px-3 py-2 text-left border rounded hover:bg-neutral-50 dark:hover:bg-neutral-700 variable-item" data-var="CLIENT_FIRST"><strong>{{CLIENT_FIRST}}</strong> - Client First Name</button>
                <button type="button" class="px-3 py-2 text-left border rounded hover:bg-neutral-50 dark:hover:bg-neutral-700 variable-item" data-var="CLIENT_LAST"><strong>{{CLIENT_LAST}}</strong> - Client Last Name</button>
                <button type="button" class="px-3 py-2 text-left border rounded hover:bg-neutral-50 dark:hover:bg-neutral-700 variable-item" data-var="MATTER"><strong>{{MATTER}}</strong> - Matter Description</button>
                <button type="button" class="px-3 py-2 text-left border rounded hover:bg-neutral-50 dark:hover:bg-neutral-700 variable-item" data-var="OPENED"><strong>{{OPENED}}</strong> - Date File Opened</button>
                <button type="button" class="px-3 py-2 text-left border rounded hover:bg-neutral-50 dark:hover:bg-neutral-700 variable-item" data-var="ATTORNEY"><strong>{{ATTORNEY}}</strong> - Attorney/Employee</button>
                <button type="button" class="px-3 py-2 text-left border rounded hover:bg-neutral-50 dark:hover:bg-neutral-700 variable-item" data-var="TODAY"><strong>{{TODAY}}</strong> - Today's Date</button>
            </div>
        </div>
        <div class="flex items-center justify-end gap-2 px-6 py-4 border-t border-neutral-200 dark:border-neutral-700">
            <button type="button" class="px-4 py-2 bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-300 hover:bg-neutral-200 dark:hover:bg-neutral-600 rounded-lg" onclick="closeModal('variableModal')">Cancel</button>
        </div>
    </div>
</div>

<!-- Edit Upload Description Modal -->
<div class="hidden fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4" id="editUploadModal">
	<div class="bg-white dark:bg-neutral-800 rounded-xl shadow-xl max-w-md w-full">
		<div class="flex items-center justify-between px-6 py-4 border-b border-neutral-200 dark:border-neutral-700">
			<h5 class="text-lg font-semibold">Edit Description</h5>
			<button type="button" class="text-neutral-400 hover:text-neutral-600 dark:text-neutral-500 dark:hover:text-neutral-300" onclick="closeModal('editUploadModal')"><i class="fa-solid fa-xmark"></i></button>
		</div>
		<div class="px-6 py-4">
			<input type="hidden" id="editUploadId">
			<label for="editUploadDescription" class="block text-sm font-medium mb-1">Description</label>
			<textarea id="editUploadDescription" class="w-full px-3 py-2 border border-neutral-300 dark:border-neutral-600 rounded-lg" rows="4" placeholder="Enter description..."></textarea>
		</div>
		<div class="flex items-center justify-end gap-2 px-6 py-4 border-t border-neutral-200 dark:border-neutral-700">
			<button type="button" class="px-4 py-2 bg-neutral-100 dark:bg-neutral-700 text-neutral-700 dark:text-neutral-300 hover:bg-neutral-200 dark:hover:bg-neutral-600 rounded-lg" onclick="closeModal('editUploadModal')">Cancel</button>
			<button type="button" class="px-4 py-2 bg-primary-600 text-white hover:bg-primary-700 rounded-lg" id="saveEditUploadBtn"><i class="fa-regular fa-circle-check"></i> Save</button>
		</div>
	</div>
</div>

<script>
// Document Management JavaScript
// Example: Upload with correlation-aware alerts
// -------------------------------------------------
// const input = document.querySelector('#uploadInput');
// const fileNo = 'ABC-123';
// const form = new FormData();
// form.append('file', input.files[0]);
// uploadWithAlerts(`/api/documents/upload/${fileNo}`, form)
//   .then(() => alerts.success('Upload completed', { duration: 3000 }))
//   .catch(() => {/* failure already alerted with Ref: <cid> */});
document.addEventListener('DOMContentLoaded', function() {
    // Check authentication first
    const token = localStorage.getItem('auth_token');
    if (!token) {
        window.location.href = '/login';
        return;
    }
    
    // Wait for API helpers to be ready, then initialize
    function initializeDocuments() {
        if (typeof apiGet === 'function') {
            // Ensure API headers are set up with token
            // Authorization is injected by window.http.wrappedFetch
            
            // Initialize the first tab as active
            document.getElementById('templates-tab').click();
            
            // Load initial data
            loadCategories();
            
            // Set up keyboard shortcuts
            setupKeyboardShortcuts();
            
            // Set up event handlers
            setupEventHandlers();

            // Live notifications UI for Generated tab
            try { setupGeneratedTabNotifications(); } catch (_) {}
            
            // Auto-refresh every 30 seconds
            setInterval(function() {
                const templatesTab = document.querySelector('#templates-tab');
                const qdrosTab = document.querySelector('#qdros-tab');
                
                if (templatesTab.classList.contains('text-blue-500')) {
                    loadTemplates();
                } else if (qdrosTab.classList.contains('text-blue-500')) {
                    loadQdros();
                }
            }, 30000);
        } else {
            // API helpers not ready yet, try again in 100ms
            setTimeout(initializeDocuments, 100);
        }
    }
    
    initializeDocuments();
});

function setupKeyboardShortcuts() {
    document.addEventListener('keydown', function(e) {
        // Ctrl+N for new template
        if (e.ctrlKey && e.key === 'n') {
            e.preventDefault();
            document.getElementById('newTemplateBtn').click();
        }
        
        // Ctrl+G for generate document
        if (e.ctrlKey && e.key === 'g') {
            e.preventDefault();
            document.getElementById('generateDocBtn').click();
        }
    });
}

function setupEventHandlers() {
    // New template button
    document.getElementById('newTemplateBtn').addEventListener('click', function() {
        openTemplateModal();
    });
    
    // Generate document button
    document.getElementById('generateDocBtn').addEventListener('click', function() {
        openGenerateModal();
    });
    
    // New QDRO button
    document.getElementById('newQdroBtn').addEventListener('click', function() {
        openQdroModal();
    });
    
    // Statistics button
    document.getElementById('statsBtn').addEventListener('click', function() {
        loadDocumentStats();
    });
    
    // Save template button
    document.getElementById('saveTemplateBtn').addEventListener('click', function() {
        saveTemplate();
    });
    
    // Save QDRO button
    document.getElementById('saveQdroBtn').addEventListener('click', function() {
        saveQdro();
    });
    
    // Generate document button
    document.getElementById('generateDocumentBtn').addEventListener('click', function() {
        generateDocument();
    });
    
    // Insert variable button
    document.getElementById('insertVariableBtn').addEventListener('click', function() {
        openModal('variableModal');
    });
    
    // Variable selector
    document.querySelectorAll('.variable-item').forEach(item => {
        item.addEventListener('click', function() {
            const varName = this.dataset.var;
            const textarea = document.getElementById('templateContent');
            const cursorPos = textarea.selectionStart;
            const textBefore = textarea.value.substring(0, cursorPos);
            const textAfter = textarea.value.substring(textarea.selectionEnd, textarea.value.length);
            textarea.value = textBefore + '{{' + varName + '}}' + textAfter;
            textarea.focus();
            textarea.setSelectionRange(cursorPos + varName.length + 4, cursorPos + varName.length + 4);
            
            closeModal('variableModal');
            
            updateVariableCount();
        });
    });
    
    // Template content change handler
    document.getElementById('templateContent').addEventListener('input', function() {
        updateVariableCount();
    });
    
    // Template selection change for generation
    document.getElementById('generateTemplate').addEventListener('change', function() {
        const templateId = this.value;
        if (templateId) {
            loadTemplatePreview(templateId);
        } else {
            document.getElementById('templatePreview').value = '';
        }
    });
    
    // Custom variables checkbox
    document.getElementById('useCustomVars').addEventListener('change', function() {
        const section = document.getElementById('customVariablesSection');
        section.style.display = this.checked ? 'block' : 'none';
    });
    
    // Add custom variable button
    document.getElementById('addVariableBtn').addEventListener('click', function() {
        addCustomVariableInput();
    });
    
    // Search and filter handlers
    document.getElementById('templateSearch').addEventListener('input', debounce(loadTemplates, 300));
    document.getElementById('categoryFilter').addEventListener('change', loadTemplates);
    document.getElementById('qdroSearch').addEventListener('input', debounce(loadQdros, 300));
    document.getElementById('qdroStatusFilter').addEventListener('change', loadQdros);
    
    // Refresh buttons
    document.getElementById('refreshTemplatesBtn').addEventListener('click', loadTemplates);
    document.getElementById('refreshQdrosBtn').addEventListener('click', loadQdros);
    const refreshUploadsBtn = document.getElementById('refreshUploadsBtn');
    if (refreshUploadsBtn) refreshUploadsBtn.addEventListener('click', loadUploadedDocuments);
    const uploadBtn = document.getElementById('uploadBtn');
    if (uploadBtn) uploadBtn.addEventListener('click', handleUploadClick);
	const saveEditUploadBtn = document.getElementById('saveEditUploadBtn');
	if (saveEditUploadBtn) saveEditUploadBtn.addEventListener('click', saveEditUpload);
	const dropZone = document.getElementById('uploadDropZone');
	if (dropZone) initUploadDropZone(dropZone);
	const clearUploadBtn = document.getElementById('clearUploadFileNoBtn');
	if (clearUploadBtn) clearUploadBtn.addEventListener('click', clearUploadFileNo);

	// Upload controls enable/disable
	const fileNoInput = document.getElementById('uploadFileNo');
	const uploadInput = document.getElementById('uploadInput');
	if (fileNoInput) {
		fileNoInput.addEventListener('input', updateUploadControlsState);
		fileNoInput.addEventListener('change', updateUploadControlsState);
		fileNoInput.addEventListener('keydown', (e) => {
			if (e.key === 'Enter') {
				e.preventDefault();
				const fileNo = (fileNoInput.value || '').trim();
				const hasFile = !!(uploadInput && uploadInput.files && uploadInput.files.length > 0);
				if (fileNo && hasFile) {
					const btn = document.getElementById('uploadBtn');
					if (btn && btn.disabled) return;
					handleUploadClick();
				} else if (!hasFile && uploadInput) {
					const inputErr = document.getElementById('uploadInputError');
					if (inputErr) inputErr.classList.remove('hidden');
					uploadInput.focus();
				}
			}
		});
	}
	if (uploadInput) {
		uploadInput.addEventListener('change', () => {
			updateUploadControlsState();
			try {
				const fileNoInputEl = document.getElementById('uploadFileNo');
				const fileNoVal = (fileNoInputEl?.value || '').trim();
				const hasFile = !!(uploadInput && uploadInput.files && uploadInput.files.length > 0);
				if (hasFile && !fileNoVal && fileNoInputEl) {
					fileNoInputEl.focus();
					const fileNoErr = document.getElementById('uploadFileNoError');
					if (fileNoErr) fileNoErr.classList.remove('hidden');
					shakeElement(fileNoInputEl);
				}
			} catch (_) {}
		});
		uploadInput.addEventListener('keydown', (e) => {
			if (e.key === 'Enter') {
				e.preventDefault();
				const fileNo = (document.getElementById('uploadFileNo')?.value || '').trim();
				const hasFile = !!(uploadInput && uploadInput.files && uploadInput.files.length > 0);
				if (fileNo && hasFile) {
					const btn = document.getElementById('uploadBtn');
					if (btn && btn.disabled) return;
					handleUploadClick();
				} else if (!fileNo) {
					const err = document.getElementById('uploadFileNoError');
					if (err) err.classList.remove('hidden');
					const fileNoInputEl = document.getElementById('uploadFileNo');
					if (fileNoInputEl) {
						fileNoInputEl.focus();
						shakeElement(fileNoInputEl);
					}
				}
			} else if (e.key === 'Escape') {
				e.preventDefault();
				try {
					uploadInput.value = '';
					updateUploadControlsState();
					uploadInput.focus();
					const inputErr = document.getElementById('uploadInputError');
					if (inputErr) inputErr.classList.add('hidden');
				} catch (_) {}
			}
		});
	}
	updateUploadControlsState();

	// Persist and restore last used upload file number
	const fileNoInput = document.getElementById('uploadFileNo');
	if (fileNoInput) {
		try {
			const saved = localStorage.getItem('docs_last_upload_file_no');
			if (saved) {
				fileNoInput.value = saved;
				// Auto-load uploads for restored file number and show one-time hint
				try {
					if ((saved || '').trim()) {
						loadUploadedDocuments()
							.then(() => backfillGeneratedForFile(saved))
							.then(() => {
								try {
									if (!sessionStorage.getItem('docs_auto_loaded_hint_shown')) {
										showAlert(`Loaded uploads for file ${saved}`, 'info');
										sessionStorage.setItem('docs_auto_loaded_hint_shown', '1');
									}
								} catch (_) {}
							});
					}
				} catch (_) {}
			}
			const persist = () => {
				try { localStorage.setItem('docs_last_upload_file_no', (fileNoInput.value || '').trim()); } catch (_) {}
			};
			fileNoInput.addEventListener('input', persist);
			fileNoInput.addEventListener('change', persist);
		} catch (_) {}
	}
}

// Live notifications for file-specific events on the Generated tab
function setupGeneratedTabNotifications() {
    const badgeHost = document.getElementById('docLiveBadge');
    const feed = document.getElementById('docEventFeed');
    const reconnectBtn = document.getElementById('reconnectDocWsBtn');
    const uploadFileNoInput = document.getElementById('uploadFileNo');
    let mgr = null;
    let badge = null;

    function attachBadge() {
        if (!badgeHost || !window.notifications || !window.notifications.createConnectionBadge) return;
        const created = window.notifications.createConnectionBadge();
        badge = created;
        badgeHost.innerHTML = '';
        badgeHost.appendChild(created.element);
    }

    function onEvent(payload) {
        if (feed && window.notifications && window.notifications.appendEvent) {
            window.notifications.appendEvent(feed, {
                fileNo: payload.fileNo,
                status: payload.status,
                message: payload.data && (payload.data.file_name || payload.data.filename) ? (payload.data.file_name || payload.data.filename) : (payload.message || null),
                timestamp: payload.timestamp,
                max: 50
            });
        }
        try { updateUploadedBadgeFromEvent(payload); } catch (_) {}
        try { upsertGeneratedFromEvent(payload); } catch (_) {}
    }

    function onState(state) {
        try { if (badge && typeof badge.update === 'function') badge.update(state); } catch (_) {}
    }

    function connectFor(fileNo) {
        if (!fileNo || !window.notifications || !window.notifications.connectFileNotifications) return;
        if (mgr && typeof mgr.close === 'function') { try { mgr.close(); } catch (_) {} }
        try { loadUploadedDocuments(); } catch (_) {}
        try { backfillGeneratedForFile(fileNo); } catch (_) {}
        mgr = window.notifications.connectFileNotifications({ fileNo, onEvent, onState });
        if (!badge) attachBadge();
    }

    if (reconnectBtn) {
        reconnectBtn.addEventListener('click', function(){ if (mgr && typeof mgr.reconnectNow === 'function') mgr.reconnectNow(); });
    }

    // Connect when a valid file number is present/changes
    function maybeConnect() {
        const fileNo = (uploadFileNoInput && uploadFileNoInput.value || '').trim();
        if (fileNo) connectFor(fileNo);
    }
    if (uploadFileNoInput) {
        uploadFileNoInput.addEventListener('change', maybeConnect);
        uploadFileNoInput.addEventListener('blur', maybeConnect);
        // initial
        maybeConnect();
    }
}

// ---------- Status badge helpers ----------
function getStatusBadgeHtml(status) {
    const s = String(status || '').toLowerCase();
    let cls = 'bg-neutral-100 text-neutral-700 border border-neutral-300';
    if (s === 'processing') cls = 'bg-amber-100 text-amber-700 border border-amber-400';
    else if (s === 'completed' || s === 'success' || s === 'uploaded' || s === 'ready') cls = 'bg-green-100 text-green-700 border border-green-400';
    else if (s === 'failed' || s === 'error') cls = 'bg-red-100 text-red-700 border border-red-400';
    const text = (s || 'unknown').toUpperCase();
    return `<span class="doc-status-badge inline-block px-2 py-0.5 text-xs rounded ${cls}">${text}</span>`;
}

function updateBadgeElement(el, status) {
    if (!el) return;
    const wrapper = el.parentElement;
    const html = getStatusBadgeHtml(status);
    if (window.setSafeHTML) { window.setSafeHTML(wrapper, html); }
    else { wrapper.innerHTML = html; }
}

// Update status badge for Uploaded table when matching document_id or filename
function updateUploadedBadgeFromEvent(payload) {
    const data = payload && payload.data ? payload.data : {};
    const docId = data.document_id != null ? String(data.document_id) : null;
    const filename = data.filename || data.file_name || null;
    if (!docId && !filename) return;
    const container = document.getElementById('uploadedDocuments');
    if (!container) return;
    let row = null;
    if (docId) {
        row = container.querySelector(`tr[data-doc-id="${CSS.escape(String(docId))}"]`);
    }
    if (!row && filename) {
        row = container.querySelector(`tr[data-filename="${CSS.escape(String(filename))}"]`);
    }
    if (!row) return;
    const badge = row.querySelector('.doc-status-badge');
    if (!badge) return;
    const status = (data && data.action === 'upload') ? 'uploaded' : payload.status;
    updateBadgeElement(badge, status);
}

// Ensure generated documents table exists
function ensureGeneratedTable() {
    const container = document.getElementById('generatedDocuments');
    if (!container) return null;
    // If already a table, return tbody
    let tbody = container.querySelector('#generatedDocsTableBody');
    if (tbody) return tbody;
    const html = `
        <table class="w-full text-sm text-left border border-neutral-200 dark:border-neutral-700 rounded-lg overflow-hidden">
            <thead>
                <tr>
                    <th class="px-4 py-2">Name</th>
                    <th class="px-4 py-2">Status</th>
                    <th class="px-4 py-2">Size</th>
                </tr>
            </thead>
            <tbody id="generatedDocsTableBody"></tbody>
        </table>
    `;
    if (window.setSafeHTML) { window.setSafeHTML(container, html); }
    else { container.innerHTML = html; }
    return container.querySelector('#generatedDocsTableBody');
}

// Create or update a generated doc row
function upsertGeneratedFromEvent(payload) {
    const status = String(payload && payload.status || '').toLowerCase();
    if (!status) return;
    const data = payload && payload.data ? payload.data : {};
    const tbody = ensureGeneratedTable();
    if (!tbody) return;
    const fileNo = payload.fileNo || data.file_no || '';
    const docId = data.document_id != null ? String(data.document_id) : null;
    const filename = data.filename || data.file_name || (data.template_name ? `${data.template_name} (${fileNo})` : null);
    const size = data.size != null ? Number(data.size) : null;
    const keySelector = docId ? `tr[data-doc-id="${CSS.escape(docId)}"]` : (filename ? `tr[data-filename="${CSS.escape(filename)}"]` : null);
    let row = keySelector ? tbody.querySelector(keySelector) : null;
    if (!row) {
        row = document.createElement('tr');
        if (docId) row.setAttribute('data-doc-id', String(docId));
        if (filename) row.setAttribute('data-filename', String(filename));
        const nameCell = document.createElement('td');
        nameCell.className = 'px-4 py-2';
        nameCell.textContent = filename || '[Unknown]';
        const statusCell = document.createElement('td');
        statusCell.className = 'px-4 py-2';
        if (window.setSafeHTML) { window.setSafeHTML(statusCell, getStatusBadgeHtml(status)); }
        else { statusCell.innerHTML = getStatusBadgeHtml(status); }
        const sizeCell = document.createElement('td');
        sizeCell.className = 'px-4 py-2';
        sizeCell.textContent = size != null ? `${Number(size).toLocaleString()} bytes` : '';
        row.appendChild(nameCell);
        row.appendChild(statusCell);
        row.appendChild(sizeCell);
        tbody.prepend(row);
    } else {
        const badge = row.querySelector('.doc-status-badge');
        if (badge) updateBadgeElement(badge, status);
        const sizeCell = row.children[2];
        if (size != null && sizeCell) sizeCell.textContent = `${Number(size).toLocaleString()} bytes`;
    }
}

// Backfill current generated documents for a file before live updates begin
async function backfillGeneratedForFile(fileNo) {
    try {
        if (!fileNo) return;
        // 1) Status backfill for processing badge
        try {
            const statusResp = await window.http.wrappedFetch(`/api/documents/current-status/${encodeURIComponent(fileNo)}`);
            if (statusResp && statusResp.ok) {
                const st = await statusResp.json();
                if (st && String(st.status || '').toLowerCase() === 'processing') {
                    // Surface a processing row in Generated section for immediate feedback
                    upsertGeneratedFromEvent({ fileNo, status: 'processing', data: (st.data || {}) });
                }
            }
        } catch (_) {}

        // 2) Seed existing generated docs from uploaded list
        const resp = await window.http.wrappedFetch(`/api/documents/${encodeURIComponent(fileNo)}/uploaded`);
        if (!resp.ok) { return; }
        const docs = await resp.json();
        const generated = Array.isArray(docs) ? docs.filter((d) => String(d.description || '').toLowerCase().includes('generated')) : [];
        if (!generated.length) return;
        for (const d of generated) {
            try {
                upsertGeneratedFromEvent({
                    fileNo,
                    status: 'completed',
                    data: { document_id: d.id, filename: d.filename, size: d.size }
                });
            } catch (_) {}
        }
    } catch (_) {}
}

function updateUploadControlsState() {
	try {
		const btn = document.getElementById('uploadBtn');
		const fileNo = (document.getElementById('uploadFileNo')?.value || '').trim();
		const input = document.getElementById('uploadInput');
		const hasFile = !!(input && input.files && input.files.length > 0);
		const enabled = !!fileNo && hasFile;
		if (btn) {
			btn.disabled = !enabled;
			btn.classList.toggle('opacity-50', !enabled);
			btn.classList.toggle('cursor-not-allowed', !enabled);
			btn.setAttribute('aria-disabled', String(!enabled));
		}
		// Inline error messages
		const fileNoErr = document.getElementById('uploadFileNoError');
		if (fileNoErr) fileNoErr.classList.toggle('hidden', !!fileNo);
		const inputErr = document.getElementById('uploadInputError');
		if (inputErr) inputErr.classList.toggle('hidden', hasFile);
	} catch (_) {}
}

function shakeElement(el) {
	try {
		el.classList.add('animate-shake');
		setTimeout(() => el.classList.remove('animate-shake'), 400);
	} catch (_) {}
}

function clearUploadFileNo() {
	try {
		const input = document.getElementById('uploadFileNo');
		if (input) input.value = '';
		try { localStorage.removeItem('docs_last_upload_file_no'); } catch (_) {}
		const container = document.getElementById('uploadedDocuments');
		if (container) container.innerHTML = '<p class="text-neutral-500">No uploads found for this file.</p>';
		const gen = document.getElementById('generatedDocuments');
		if (gen) gen.innerHTML = '<p class="text-neutral-500">Generated documents will appear here...</p>';
	} catch (_) {}
}

// Authorization and JSON headers are injected by window.http.wrappedFetch

async function loadTemplates() {
    try {
        // Loading templates...
        const search = document.getElementById('templateSearch').value;
        const category = document.getElementById('categoryFilter').value;
        
        let url = '/api/documents/templates/?';
        if (search) url += `search=${encodeURIComponent(search)}&`;
        if (category) url += `category=${encodeURIComponent(category)}&`;
        
        // Ensure we have auth token for this API call
        const token = localStorage.getItem('auth_token');
        // Token validation
        if (!token) {
            // No token found, redirecting to login
            window.location.href = '/login';
            return;
        }
        
        // Making API call
        
        const response = await window.http.wrappedFetch(url);
        // Processing response
        
        if (!response.ok) {
            const errorData = await response.json().catch(() => ({ detail: 'Unknown error' }));
            throw new Error(errorData.detail || `HTTP ${response.status}`);
        }
        
        const templates = await response.json();
        // Templates loaded successfully
        displayTemplates(templates);
    } catch (error) {
        console.error('Error in loadTemplates:', error);
        try { logClientError({ message: 'Error loading templates', action: 'loadTemplates', error }); } catch (_) {}
        showAlert('Error loading templates: ' + (error && error.message ? error.message : 'Unknown error'), 'danger');
    }
}

function initUploadDropZone(zoneEl) {
	function preventDefaults(e) {
		e.preventDefault();
		e.stopPropagation();
	}
	['dragenter','dragover','dragleave','drop'].forEach(eventName => {
		zoneEl.addEventListener(eventName, preventDefaults, false);
	});
	zoneEl.addEventListener('dragover', () => zoneEl.classList.add('bg-neutral-50', 'dark:bg-neutral-900/20'));
	zoneEl.addEventListener('dragleave', () => zoneEl.classList.remove('bg-neutral-50', 'dark:bg-neutral-900/20', 'border-red-400'));
	zoneEl.addEventListener('drop', async (e) => {
		zoneEl.classList.remove('bg-neutral-50', 'dark:bg-neutral-900/20', 'border-red-400');
		const dt = e.dataTransfer;
		const files = dt && dt.files ? Array.from(dt.files) : [];
		if (!files.length) return;
		const fileNo = (document.getElementById('uploadFileNo')?.value || '').trim();
		if (!fileNo) {
			zoneEl.classList.add('border-red-400');
			const fileNoErr = document.getElementById('uploadFileNoError');
			if (fileNoErr) fileNoErr.classList.remove('hidden');
			showAlert('Please enter a file number', 'warning');
			return;
		}
		try { localStorage.setItem('docs_last_upload_file_no', fileNo); } catch (_) {}
		setUploadingState(true);
		await concurrentUploads(files, fileNo, 3);
		setUploadingState(false);
		loadUploadedDocuments();
	});
}

function createUploadItem(file) {
	const list = document.getElementById('uploadProgressList');
	const item = document.createElement('div');
	item.className = 'flex items-center justify-between p-3 border rounded-lg';
	const name = document.createElement('div');
	name.className = 'text-sm font-medium truncate max-w-[60%]';
	name.textContent = file.name;
	const right = document.createElement('div');
	right.className = 'flex items-center gap-3';
	const status = document.createElement('span');
	status.className = 'text-xs text-neutral-500';
	status.textContent = 'Queued';
	const barWrap = document.createElement('div');
	barWrap.className = 'w-40 h-2 bg-neutral-200 dark:bg-neutral-700 rounded overflow-hidden';
	const bar = document.createElement('div');
	bar.className = 'h-2 bg-primary-500 w-0 transition-all';
	bar.style.width = '0%';
	barWrap.appendChild(bar);
	const cancelBtn = document.createElement('button');
	cancelBtn.type = 'button';
	cancelBtn.title = 'Cancel upload';
	cancelBtn.className = 'px-2 py-1 border border-neutral-400 text-neutral-600 rounded hover:bg-neutral-100 text-xs';
	cancelBtn.innerHTML = '<i class="fa-solid fa-xmark"></i>';
	cancelBtn.disabled = true;
	right.appendChild(status);
	right.appendChild(barWrap);
	right.appendChild(cancelBtn);
	item.appendChild(name);
	item.appendChild(right);
	list.appendChild(item);
	let abortFn = null;
	cancelBtn.addEventListener('click', () => {
		if (typeof abortFn === 'function') {
			status.textContent = 'Cancelling…';
			cancelBtn.disabled = true;
			abortFn();
		}
	});
	return { item, status, bar, cancelBtn, setAbort: (fn) => { abortFn = fn; cancelBtn.disabled = !fn; } };
}

function setUploadingState(isUploading) {
	try {
		const uploadBtn = document.getElementById('uploadBtn');
		const dropZone = document.getElementById('uploadDropZone');
		const indicator = document.getElementById('uploadingIndicator');
		if (uploadBtn) uploadBtn.disabled = !!isUploading;
		if (dropZone) dropZone.classList.toggle('opacity-50', !!isUploading);
		if (dropZone) dropZone.classList.toggle('pointer-events-none', !!isUploading);
		if (indicator) indicator.classList.toggle('hidden', !isUploading);
	} catch (_) {}
}

async function concurrentUploads(files, fileNo, concurrency = 3) {
	const queue = Array.from(files);
	const active = new Set();
	let completed = 0;

	function startNext() {
		if (queue.length === 0 || active.size >= concurrency) return null;
		const file = queue.shift();
		const ui = createUploadItem(file);
		const controller = new AbortController();
		ui.setAbort(() => controller.abort());
		const task = (async () => {
			try {
				ui.status.textContent = 'Uploading…';
				ui.bar.style.width = '25%';
				const form = new FormData();
				form.append('file', file);
				await uploadWithAlerts(`/api/documents/upload/${encodeURIComponent(fileNo)}`, form, { alertTitle: 'Upload failed', extraOptions: { signal: controller.signal } });
				ui.bar.style.width = '100%';
				ui.status.textContent = 'Done';
				ui.status.className = 'text-xs text-green-600';
			} catch (err) {
				if (err && (err.name === 'AbortError' || /aborted/i.test(String(err && err.message)))) {
					ui.status.textContent = 'Canceled';
					ui.status.className = 'text-xs text-yellow-600';
					ui.bar.style.width = '100%';
					ui.bar.classList.remove('bg-primary-500');
					ui.bar.classList.add('bg-yellow-500');
				} else {
					ui.status.textContent = 'Failed';
					ui.status.className = 'text-xs text-red-600';
					ui.bar.style.width = '100%';
					ui.bar.classList.remove('bg-primary-500');
					ui.bar.classList.add('bg-red-500');
					// Keep failed item visible and allow dismiss
					try {
						ui.item.classList.add('bg-red-50');
						ui.item.classList.add('border');
						ui.item.classList.add('border-red-300');
						ui.cancelBtn.disabled = false;
						ui.cancelBtn.title = 'Dismiss';
						ui.cancelBtn.addEventListener('click', () => {
							try {
								ui.item.style.transition = 'opacity 250ms ease-in-out';
								ui.item.style.opacity = '0';
								setTimeout(() => ui.item.remove(), 260);
							} catch (_) { ui.item.remove(); }
						});
					} catch (_) {}
				}
			} finally {
				completed += 1;
				active.delete(task);
				ui.setAbort(null);
				startNext();
			}
		})();
		active.add(task);
		return task;
	}

	// Kick off initial batch
	const starters = [];
	for (let i = 0; i < concurrency; i++) {
		const t = startNext();
		if (t) starters.push(t);
	}
	await Promise.allSettled(starters);
	// Drain the rest
	while (active.size > 0 || queue.length > 0) {
		if (queue.length > 0) startNext();
		await Promise.race(Array.from(active));
	}

	const anyFailed = Array.from(document.querySelectorAll('#uploadProgressList .text-red-600')).length > 0;
	if (!anyFailed) {
		showAlert('All uploads completed', 'success');
	}
	cleanupUploadProgress(true);
}

function cleanupUploadProgress(preserveFailures = true) {
	try {
		const list = document.getElementById('uploadProgressList');
		if (!list) return;
		const items = Array.from(list.children);
		items.forEach((item) => {
			try {
				const statusEl = item.querySelector('span.text-xs');
				const isFailed = preserveFailures && statusEl && statusEl.classList.contains('text-red-600');
				if (isFailed) {
					// Ensure a dismiss button exists
					const hasDismiss = item.querySelector('button');
					if (!hasDismiss) {
						const btn = document.createElement('button');
						btn.type = 'button';
						btn.className = 'px-2 py-1 border border-neutral-400 text-neutral-600 rounded hover:bg-neutral-100 text-xs';
						btn.title = 'Dismiss';
						btn.innerHTML = '<i class="fa-solid fa-xmark"></i>';
						btn.addEventListener('click', () => {
							try {
								item.style.transition = 'opacity 250ms ease-in-out';
								item.style.opacity = '0';
								setTimeout(() => item.remove(), 260);
							} catch (_) { item.remove(); }
						});
						const right = item.querySelector('.flex.items-center.gap-3');
						if (right) right.appendChild(btn);
					}
					return;
				}
				item.style.transition = 'opacity 250ms ease-in-out';
				item.style.opacity = '0';
				setTimeout(() => item.remove(), 260);
			} catch (_) {}
		});
	} catch (_) {}
}

function displayTemplates(templates) {
    const tbody = document.getElementById('templatesTableBody');
    tbody.innerHTML = '';
    
    templates.forEach(template => {
        const row = createTemplateRow(template);
        tbody.appendChild(row);
    });
}

function createTemplateRow(template) {
    const row = document.createElement('tr');
    const variableCount = Object.keys(template.variables || {}).length;
    
    const rowHtml = `
        <td class="px-4 py-2"><code>${template.form_id}</code></td>
        <td class="px-4 py-2">${template.form_name}</td>
        <td class="px-4 py-2"><span class="inline-block px-2 py-0.5 text-xs rounded bg-neutral-100 text-neutral-700 border border-neutral-300">${template.category}</span></td>
        <td class="px-4 py-2"><span class="inline-block px-2 py-0.5 text-xs rounded bg-blue-100 text-blue-700 border border-blue-400">${variableCount} vars</span></td>
        <td class="px-4 py-2">
            <span class="inline-block px-2 py-0.5 text-xs rounded ${template.active ? 'bg-green-100 text-green-700 border border-green-400' : 'bg-yellow-100 text-yellow-700 border border-yellow-500'}">
                ${template.active ? 'Active' : 'Inactive'}
            </span>
        </td>
        <td class="px-4 py-2">
            <div class="flex items-center gap-2">
                <button class="px-2 py-1 border border-primary-600 text-primary-600 rounded hover:bg-blue-100" onclick="editTemplate('${template.form_id}')" title="Edit"><i class="fa-solid fa-pencil"></i></button>
                <button class="px-2 py-1 border border-success-600 text-success-600 rounded hover:bg-green-100" onclick="previewTemplate('${template.form_id}')" title="Preview"><i class="fa-regular fa-eye"></i></button>
                <button class="px-2 py-1 border border-info-600 text-info-600 rounded hover:bg-blue-100" onclick="generateFromTemplate('${template.form_id}')" title="Generate"><i class="fa-regular fa-file-lines"></i></button>
                <button class="px-2 py-1 border border-danger-600 text-danger-600 rounded hover:bg-red-100" onclick="deleteTemplate('${template.form_id}')" title="Delete"><i class="fa-solid fa-trash"></i></button>
            </div>
        </td>
    `;
    if (window.setSafeHTML) { window.setSafeHTML(row, rowHtml); } else { row.innerHTML = rowHtml; }
    
    return row;
}

async function loadQdros() {
    try {
        const search = document.getElementById('qdroSearch').value;
        const status = document.getElementById('qdroStatusFilter').value;
        
        let url = '/api/documents/qdros/?';
        if (search) url += `search=${encodeURIComponent(search)}&`;
        if (status) url += `status_filter=${encodeURIComponent(status)}&`;
        
        const token = localStorage.getItem('auth_token');
        if (!token) {
            window.location.href = '/login';
            return;
        }
        
        const response = await window.http.wrappedFetch(url);
        
        if (!response.ok) {
            const errorData = await response.json().catch(() => ({ detail: 'Unknown error' }));
            throw new Error(errorData.detail || `HTTP ${response.status}`);
        }
        
        const qdros = await response.json();
        displayQdros(qdros);
    } catch (error) {
        console.error('Error loading QDROs:', error);
        try { logClientError({ message: 'Error loading QDROs', action: 'loadQdros', error }); } catch (_) {}
        showAlert('Error loading QDROs: ' + (error && error.message ? error.message : 'Unknown error'), 'danger');
    }
}

function displayQdros(qdros) {
    const tbody = document.getElementById('qdrosTableBody');
    tbody.innerHTML = '';
    
    qdros.forEach(qdro => {
        const row = createQdroRow(qdro);
        tbody.appendChild(row);
    });
}

function createQdroRow(qdro) {
    const row = document.createElement('tr');
    
    const qdroRowHtml = `
        <td><code>${qdro.file_no}</code></td>
        <td>${qdro.version}</td>
        <td>${qdro.participant_name || ''}</td>
        <td>${qdro.spouse_name || ''}</td>
        <td>${qdro.plan_name || ''}</td>
        <td>
            <span class="${getStatusBadgeClass(qdro.status)}">
                ${qdro.status}
            </span>
        </td>
        <td>${qdro.created_date ? new Date(qdro.created_date).toLocaleDateString() : ''}</td>
        <td>
            <div class="flex items-center gap-2">
                <button class="px-2 py-1 border border-blue-600 text-blue-600 rounded hover:bg-blue-100" onclick="editQdro(${qdro.id})" title="Edit"><i class="fa-solid fa-pencil"></i></button>
                <button class="px-2 py-1 border border-cyan-600 text-cyan-600 rounded hover:bg-blue-100" onclick="viewQdro(${qdro.id})" title="View"><i class="fa-regular fa-eye"></i></button>
                <button class="px-2 py-1 border border-red-600 text-red-600 rounded hover:bg-red-100" onclick="deleteQdro(${qdro.id})" title="Delete"><i class="fa-solid fa-trash"></i></button>
            </div>
        </td>
    `;
    if (window.setSafeHTML) { window.setSafeHTML(row, qdroRowHtml); } else { row.innerHTML = qdroRowHtml; }
    
    return row;
}

function getStatusBadgeClass(status) {
    switch (status) {
        case 'DRAFT': return 'inline-block px-2 py-0.5 text-xs rounded bg-yellow-100 text-yellow-700 border border-yellow-500';
        case 'APPROVED': return 'inline-block px-2 py-0.5 text-xs rounded bg-green-100 text-green-700 border border-green-400';
        case 'FILED': return 'inline-block px-2 py-0.5 text-xs rounded bg-blue-100 text-blue-700 border border-blue-400';
        default: return 'inline-block px-2 py-0.5 text-xs rounded bg-neutral-100 text-neutral-700 border border-neutral-300';
    }
}

async function loadCategories() {
    try {
        const token = localStorage.getItem('auth_token');
        if (!token) {
            window.location.href = '/login';
            return;
        }
        
        const response = await window.http.wrappedFetch('/api/documents/categories/');
        
        if (!response.ok) {
            const errorData = await response.json().catch(() => ({ detail: 'Unknown error' }));
            throw new Error(errorData.detail || `HTTP ${response.status}`);
        }
        
        const categories = await response.json();
        
        const select = document.getElementById('categoryFilter');
        const templateSelect = document.getElementById('templateCategory');
        
        // Clear existing options except "All Categories"
        select.innerHTML = '<option value="">All Categories</option>';
        
        categories.forEach(category => {
            const option = document.createElement('option');
            option.value = category;
            option.textContent = category;
            select.appendChild(option);
        });
    } catch (error) {
        console.error('Error loading categories:', error);
        try { logClientError({ message: 'Error loading categories', action: 'loadCategories', error }); } catch (_) {}
    }
}

function openTemplateModal(templateId = null) {
    
    const form = document.getElementById('templateForm');
    
    // Reset form
    form.reset();
    document.getElementById('templateModalLabel').textContent = templateId ? 'Edit Template' : 'New Template';
    
    if (templateId) {
        loadTemplateForEditing(templateId);
    } else {
        // Set today's date and generate ID
        const today = new Date().toISOString().split('T')[0];
        document.getElementById('templateId').value = 'TPL_' + Date.now();
    }
    
    openModal('templateModal');
    updateVariableCount();
}

async function loadTemplateForEditing(templateId) {
    try {
        const response = await window.http.wrappedFetch(`/api/documents/templates/${templateId}`);
        if (!response.ok) throw new Error('Failed to load template');
        
        const template = await response.json();
        
        document.getElementById('templateId').value = template.form_id;
        document.getElementById('templateId').disabled = true; // Don't allow editing ID
        document.getElementById('templateName').value = template.form_name;
        document.getElementById('templateCategory').value = template.category;
        document.getElementById('templateContent').value = template.content;
        
        updateVariableCount();
    } catch (error) {
        console.error('Error loading template:', error);
        try { logClientError({ message: 'Error loading template for edit', action: 'loadTemplateForEditing', error, extra: { templateId } }); } catch (_) {}
        showAlert('Error loading template: ' + (error && error.message ? error.message : 'Unknown error'), 'danger');
    }
}

async function saveTemplate() {
    try {
        const form = document.getElementById('templateForm');
        const formData = new FormData(form);
        
        const templateData = {
            form_id: formData.get('form_id'),
            form_name: formData.get('form_name'),
            category: formData.get('category'),
            content: formData.get('content')
        };
        
        const isEdit = document.getElementById('templateId').disabled;
        const url = isEdit ? `/api/documents/templates/${templateData.form_id}` : '/api/documents/templates/';
        const method = isEdit ? 'PUT' : 'POST';
        
        const response = await window.http.wrappedFetch(url, {
            method: method,
            body: JSON.stringify(templateData)
        });
        
        if (!response.ok) {
            const error = await response.json();
            throw new Error(error.detail || 'Failed to save template');
        }
        
        showAlert('Template saved successfully', 'success');
        closeModal('templateModal');
        loadTemplates();
    } catch (error) {
        console.error('Error saving template:', error);
        try { logClientError({ message: 'Error saving template', action: 'saveTemplate', error }); } catch (_) {}
        showAlert('Error saving template: ' + (error && error.message ? error.message : 'Unknown error'), 'danger');
    }
}

function updateVariableCount() {
    const content = document.getElementById('templateContent').value;
    const variables = extractVariables(content);
    document.getElementById('variableCount').textContent = `Variables detected: ${variables.length}`;
}

function extractVariables(content) {
    const regex = /\{\{([^}]+)\}\}/g;
    const variables = [];
    let match;
    
    while ((match = regex.exec(content)) !== null) {
        if (!variables.includes(match[1])) {
            variables.push(match[1]);
        }
    }
    
    return variables;
}

async function loadDocumentStats() {
    try {
        const response = await window.http.wrappedFetch('/api/documents/stats/summary');
        if (!response.ok) throw new Error('Failed to load statistics');
        
        const stats = await response.json();
        
        document.getElementById('totalTemplatesCount').textContent = stats.total_templates;
        document.getElementById('totalQdrosCount').textContent = stats.total_qdros;
        
        // Display categories breakdown
        const categoriesDiv = document.getElementById('categoriesBreakdown');
        categoriesDiv.innerHTML = '';
        
        Object.entries(stats.templates_by_category).forEach(([category, count]) => {
            const div = document.createElement('div');
            div.className = 'flex items-center justify-between mb-1';
            const html = `<span>${category}</span><span class="inline-block px-2 py-0.5 text-xs rounded bg-neutral-200 text-neutral-700">${count}</span>`;
            if (window.setSafeHTML) { window.setSafeHTML(div, html); } else { div.innerHTML = html; }
            categoriesDiv.appendChild(div);
        });
        
        // Display recent activity
        const activityDiv = document.getElementById('recentActivity');
        activityDiv.innerHTML = '';
        
        if (stats.recent_activity.length === 0) {
            activityDiv.innerHTML = '<p class="text-neutral-500">No recent activity</p>';
        } else {
            stats.recent_activity.forEach(activity => {
                const div = document.createElement('div');
                div.className = 'mb-2 p-2 border rounded';
                const activityHtml = `
                    <small class="text-neutral-500">${activity.type}</small><br>
                    <strong>File: ${activity.file_no}</strong><br>
                    <span class="${getStatusBadgeClass(activity.status)}">${activity.status}</span>
                `;
                if (window.setSafeHTML) { window.setSafeHTML(div, activityHtml); } else { div.innerHTML = activityHtml; }
                activityDiv.appendChild(div);
            });
        }
        
        openModal('statsModal');
    } catch (error) {
        console.error('Error loading statistics:', error);
        try { logClientError({ message: 'Error loading statistics', action: 'loadDocumentStats', error }); } catch (_) {}
        showAlert('Error loading statistics: ' + (error && error.message ? error.message : 'Unknown error'), 'danger');
    }
}

// Utility functions
function debounce(func, wait) {
    let timeout;
    return function executedFunction(...args) {
        const later = () => {
            clearTimeout(timeout);
            func(...args);
        };
        clearTimeout(timeout);
        timeout = setTimeout(later, wait);
    };
}

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));
    }
}

// Uploads UI
async function loadUploadedDocuments() {
	try {
		const fileNo = (document.getElementById('uploadFileNo')?.value || '').trim();
		if (!fileNo) {
			showAlert('Enter a file number to view uploads', 'warning');
			return;
		}
		const resp = await window.http.wrappedFetch(`/api/documents/${encodeURIComponent(fileNo)}/uploaded`);
		if (!resp.ok) {
			const err = await window.http.toError(resp, 'Failed to load uploads');
			const msg = window.http.formatAlert(err, 'Failed to load uploads');
			showAlert(msg, 'danger');
			return;
		}
		const docs = await resp.json();
		displayUploadedDocuments(docs);
	} catch (error) {
		console.error('Error loading uploaded documents', error);
		showAlert('Failed to load uploads', 'danger');
	}
}

function displayUploadedDocuments(docs) {
	const container = document.getElementById('uploadedDocuments');
	if (!Array.isArray(docs) || docs.length === 0) {
		container.innerHTML = '<p class="text-neutral-500">No uploads found for this file.</p>';
		return;
	}
	const rows = docs.map((d) => `
		<tr data-doc-id="${String(d.id || '')}" data-filename="${String(d.filename || '').replace(/"/g, '&quot;')}">
			<td class="px-4 py-2">${d.id || ''}</td>
			<td class="px-4 py-2">${d.filename || ''}</td>
			<td class="px-4 py-2">${(d.type || '').split('/').pop()}</td>
			<td class="px-4 py-2">${Number(d.size || 0).toLocaleString()} bytes</td>
			<td class="px-4 py-2"><span class="doc-status-badge inline-block px-2 py-0.5 text-xs rounded bg-green-100 text-green-700 border border-green-400">UPLOADED</span></td>
			<td class="px-4 py-2"><a href="/${d.path || ''}" target="_blank" class="text-primary-600 hover:underline">View</a></td>
			<td class="px-4 py-2">
				<button class="px-2 py-1 border border-cyan-600 text-cyan-600 rounded hover:bg-blue-100 mr-2" title="Edit description" onclick="openEditUploadModal(${JSON.stringify(String(d.id || ''))}, ${JSON.stringify(String(d.description || ''))})"><i class="fa-solid fa-pencil"></i></button>
				<button class="px-2 py-1 border border-danger-600 text-danger-600 rounded hover:bg-red-100" title="Delete" onclick="deleteUploadedDocument(${JSON.stringify(String(d.id || ''))})"><i class="fa-solid fa-trash"></i></button>
			</td>
		</tr>
	`).join('');
	const html = `
		<table class="w-full text-sm text-left border border-neutral-200 dark:border-neutral-700 rounded-lg overflow-hidden">
			<thead>
				<tr>
					<th class="px-4 py-2">ID</th>
					<th class="px-4 py-2">Name</th>
					<th class="px-4 py-2">Type</th>
					<th class="px-4 py-2">Size</th>
					<th class="px-4 py-2">Status</th>
					<th class="px-4 py-2">Link</th>
					<th class="px-4 py-2">Actions</th>
				</tr>
			</thead>
			<tbody>${rows}</tbody>
		</table>
	`;
	if (window.setSafeHTML) { window.setSafeHTML(container, html); } else { container.innerHTML = html; }
}

async function handleUploadClick() {
	const fileNo = (document.getElementById('uploadFileNo')?.value || '').trim();
	const input = document.getElementById('uploadInput');
	if (!fileNo) {
		showAlert('Please enter a file number', 'warning');
		const fileNoErr = document.getElementById('uploadFileNoError');
		if (fileNoErr) fileNoErr.classList.remove('hidden');
		return;
	}
	try { localStorage.setItem('docs_last_upload_file_no', fileNo); } catch (_) {}
	if (!input || !input.files || input.files.length === 0) {
		showAlert('Please choose a file to upload', 'warning');
		const inputErr = document.getElementById('uploadInputError');
		if (inputErr) inputErr.classList.remove('hidden');
		return;
	}
	const form = new FormData();
	form.append('file', input.files[0]);
	setUploadingState(true);
	try {
		await uploadWithAlerts(`/api/documents/upload/${encodeURIComponent(fileNo)}`, form);
		if (window.alerts && window.alerts.success) {
			window.alerts.success('Upload completed', { duration: 3000 });
		} else {
			showAlert('Upload completed', 'success');
		}
		// refresh list
		loadUploadedDocuments();
		// clear chooser
		input.value = '';
	} catch (_) {
		// Error already alerted by helper
	} finally {
		setUploadingState(false);
	}
}

async function deleteUploadedDocument(docId) {
	try {
		if (!docId) {
			showAlert('Invalid document id', 'warning');
			return;
		}
		if (!confirm('Are you sure you want to delete this uploaded document?')) return;
		const resp = await window.http.wrappedFetch(`/api/documents/uploaded/${encodeURIComponent(String(docId))}`, { method: 'DELETE' });
		if (!resp.ok) {
			const err = await window.http.toError(resp, 'Failed to delete upload');
			const msg = window.http.formatAlert(err, 'Failed to delete upload');
			showAlert(msg, 'danger');
			return;
		}
		showAlert('Upload deleted successfully', 'success');
		loadUploadedDocuments();
	} catch (error) {
		const msg = window.http && window.http.formatAlert && error instanceof Error
			? window.http.formatAlert(error, 'Failed to delete upload')
			: 'Failed to delete upload';
		showAlert(msg, 'danger');
	}
}

function openEditUploadModal(docId, currentDescription) {
	try {
		document.getElementById('editUploadId').value = String(docId || '');
		document.getElementById('editUploadDescription').value = String(currentDescription || '');
		openModal('editUploadModal');
	} catch (error) {
		showAlert('Unable to open editor', 'danger');
	}
}

async function saveEditUpload() {
	const docId = document.getElementById('editUploadId').value;
	const description = document.getElementById('editUploadDescription').value;
	if (!docId) {
		showAlert('Invalid document id', 'warning');
		return;
	}
	try {
		const form = new FormData();
		form.append('description', description || '');
		const resp = await window.http.wrappedFetch(`/api/documents/uploaded/${encodeURIComponent(String(docId))}`, {
			method: 'PUT',
			body: form
		});
		if (!resp.ok) {
			const err = await window.http.toError(resp, 'Failed to update description');
			const msg = window.http.formatAlert(err, 'Failed to update description');
			showAlert(msg, 'danger');
			return;
		}
		showAlert('Description updated', 'success');
		closeModal('editUploadModal');
		loadUploadedDocuments();
	} catch (error) {
		const msg = window.http && window.http.formatAlert && error instanceof Error
			? window.http.formatAlert(error, 'Failed to update description')
			: 'Failed to update description';
		showAlert(msg, 'danger');
	}
}

// Lightweight client error logger specific to Documents page
async function logClientError({ message, action = null, error = null, extra = null }) {
    try {
        const payload = {
            message: String(message || (error && error.message) || 'Unknown error'),
            action,
            stack: error && error.stack ? String(error.stack) : null,
            url: window.location.href,
            user_agent: navigator.userAgent,
            extra
        };
        await window.http.wrappedFetch('/api/documents/client-error', {
            method: 'POST',
            body: JSON.stringify(payload)
        });
    } catch (_) {
        // swallow
    }
}

// Placeholder functions for additional features
async function editTemplate(templateId) {
    openTemplateModal(templateId);
}

async function previewTemplate(templateId) {
    // Implement template preview
}

async function generateFromTemplate(templateId) {
    document.getElementById('generateTemplate').value = templateId;
    openGenerateModal();
}

async function deleteTemplate(templateId) {
    if (confirm('Are you sure you want to delete this template?')) {
        try {
            const response = await window.http.wrappedFetch(`/api/documents/templates/${templateId}`, {
                method: 'DELETE'
            });
            
            if (!response.ok) throw new Error('Failed to delete template');
            
            showAlert('Template deleted successfully', 'success');
            loadTemplates();
        } catch (error) {
            console.error('Error deleting template:', error);
            try { logClientError({ message: 'Error deleting template', action: 'deleteTemplate', error, extra: { templateId } }); } catch (_) {}
            showAlert('Error deleting template: ' + (error && error.message ? error.message : 'Unknown error'), 'danger');
        }
    }
}

function openGenerateModal() {
    loadTemplatesForGeneration();
    openModal('generateModal');
}

async function loadTemplatesForGeneration() {
    try {
        const response = await window.http.wrappedFetch('/api/documents/templates/');
        if (!response.ok) throw new Error('Failed to load templates');
        
        const templates = await response.json();
        const select = document.getElementById('generateTemplate');
        select.innerHTML = '<option value="">Choose template...</option>';
        
        templates.forEach(template => {
            const option = document.createElement('option');
            option.value = template.form_id;
            option.textContent = `${template.form_name} (${template.category})`;
            select.appendChild(option);
        });
    } catch (error) {
        console.error('Error loading templates:', error);
        try { logClientError({ message: 'Error loading templates for generation', action: 'loadTemplatesForGeneration', error }); } catch (_) {}
    }
}

async function loadTemplatePreview(templateId) {
    try {
        const response = await window.http.wrappedFetch(`/api/documents/templates/${templateId}`);
        if (!response.ok) throw new Error('Failed to load template');
        
        const template = await response.json();
        document.getElementById('templatePreview').value = template.content;
    } catch (error) {
        console.error('Error loading template preview:', error);
        try { logClientError({ message: 'Error loading template preview', action: 'loadTemplatePreview', error, extra: { templateId } }); } catch (_) {}
    }
}

async function generateDocument() {
    try {
        const form = document.getElementById('generateForm');
        const formData = new FormData(form);
        
        const templateId = formData.get('template_id');
        if (!templateId) {
            showAlert('Please select a template', 'warning');
            return;
        }
        
        const requestData = {
            template_id: templateId,
            file_no: formData.get('file_no'),
            output_format: formData.get('output_format'),
            variables: {}
        };
        
        // Add custom variables if any
        if (document.getElementById('useCustomVars').checked) {
            const customVarInputs = document.querySelectorAll('#customVariables .custom-var-input');
            customVarInputs.forEach(input => {
                const name = input.querySelector('.var-name').value;
                const value = input.querySelector('.var-value').value;
                if (name && value) {
                    requestData.variables[name] = value;
                }
            });
        }
        
        const response = await window.http.wrappedFetch(`/api/documents/generate/${templateId}`, {
            method: 'POST',
            body: JSON.stringify(requestData)
        });
        
        if (!response.ok) {
            const error = await response.json();
            throw new Error(error.detail || 'Failed to generate document');
        }
        
        const result = await response.json();
        
        showAlert(`Document generated successfully: ${result.file_name}`, 'success');
        closeModal('generateModal');
        
        // Optionally trigger download
        if (confirm('Document generated successfully. Download now?')) {
            window.open(result.file_path, '_blank');
        }
    } catch (error) {
        console.error('Error generating document:', error);
        try { logClientError({ message: 'Error generating document', action: 'generateDocument', error, extra: { templateId: (document.getElementById('generateTemplate')?.value || null) } }); } catch (_) {}
        showAlert('Error generating document: ' + (error && error.message ? error.message : 'Unknown error'), 'danger');
    }
}

function addCustomVariableInput() {
    const container = document.getElementById('customVariables');
    const div = document.createElement('div');
    div.className = 'grid grid-cols-12 gap-2 mb-2 custom-var-input';
    const customVarHtml = `
        <div class="col-span-12 md:col-span-5">
            <input type="text" class="w-full px-3 py-1.5 border border-neutral-300 dark:border-neutral-600 rounded var-name" placeholder="Variable name">
        </div>
        <div class="col-span-12 md:col-span-5">
            <input type="text" class="w-full px-3 py-1.5 border border-neutral-300 dark:border-neutral-600 rounded var-value" placeholder="Variable value">
        </div>
        <div class="col-span-12 md:col-span-2 flex items-center">
            <button type="button" class="px-2 py-1 border border-red-600 text-red-600 rounded hover:bg-red-100 text-sm" onclick="this.closest('.custom-var-input').remove()">
                <i class="fa-solid fa-xmark"></i>
            </button>
        </div>
    `;
    if (window.setSafeHTML) { window.setSafeHTML(div, customVarHtml); } else { div.innerHTML = customVarHtml; }
    container.appendChild(div);
}

function openQdroModal(qdroId = null) {
    const form = document.getElementById('qdroForm');
    
    form.reset();
    document.getElementById('qdroModalLabel').textContent = qdroId ? 'Edit QDRO' : 'New QDRO';
    
    if (!qdroId) {
        document.getElementById('qdroCreated').value = new Date().toISOString().split('T')[0];
    }
    
    openModal('qdroModal');
}

async function saveQdro() {
    // Implement QDRO save functionality
    showAlert('QDRO functionality will be implemented in the next phase', 'info');
}

async function editQdro(qdroId) {
    openQdroModal(qdroId);
}

async function viewQdro(qdroId) {
    // Implement QDRO view functionality
    showAlert('QDRO view functionality will be implemented', 'info');
}

async function deleteQdro(qdroId) {
    if (confirm('Are you sure you want to delete this QDRO?')) {
        // Implement delete functionality
        showAlert('QDRO delete functionality will be implemented', 'info');
    }
}

// Tab navigation functionality
function openTab(evt, tabName) {
    // Declare all variables
    var i, tabcontent, tablinks;

    // Get all elements with class="tabcontent" and hide them
    tabcontent = document.getElementsByClassName("tabcontent");
    for (i = 0; i < tabcontent.length; i++) {
        tabcontent[i].classList.add('hidden');
    }

    // Get all elements with class="tablinks" and remove the "active" class
    tablinks = document.querySelectorAll('nav button');
    for (i = 0; i < tablinks.length; i++) {
        tablinks[i].classList.remove('border-blue-500', 'text-blue-500', 'dark:text-blue-400');
        tablinks[i].classList.add('border-transparent');
    }

    // Show the current tab, and add an "active" class to the button that opened the tab
    document.getElementById(tabName).classList.remove('hidden');
    evt.currentTarget.classList.add('border-blue-500', 'text-blue-500', 'dark:text-blue-400');
    evt.currentTarget.classList.remove('border-transparent');
    
    // Load data for the active tab
    if (tabName === 'templates') {
        loadTemplates();
    } else if (tabName === 'qdros') {
        loadQdros();
    } else if (tabName === 'generated') {
        const fileNoInput = document.getElementById('uploadFileNo');
        const uploadInput = document.getElementById('uploadInput');
        if (fileNoInput && (fileNoInput.value || '').trim() && uploadInput) {
            uploadInput.focus();
        }
    }
}
</script>
{% endblock %}