{% extends "base.html" %}

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

{% block content %}
<div class="container-fluid">
    <div class="row">
        <div class="col-12">
            <div class="d-flex justify-content-between align-items-center mb-3">
                <h2><i class="bi bi-file-earmark-text"></i> Document Management</h2>
                <div>
                    <button class="btn btn-success" id="newTemplateBtn">
                        <i class="bi bi-plus-circle"></i> New Template (Ctrl+N)
                    </button>
                    <button class="btn btn-primary" id="generateDocBtn">
                        <i class="bi bi-file-plus"></i> Generate Document
                    </button>
                    <button class="btn btn-warning" id="newQdroBtn">
                        <i class="bi bi-file-earmark-ruled"></i> New QDRO
                    </button>
                    <button class="btn btn-info" id="statsBtn">
                        <i class="bi bi-graph-up"></i> Statistics
                    </button>
                </div>
            </div>

            <!-- Document Management Tabs -->
            <ul class="nav nav-tabs" id="documentTabs" role="tablist">
                <li class="nav-item" role="presentation">
                    <button class="nav-link active" id="templates-tab" data-bs-toggle="tab" data-bs-target="#templates" 
                            type="button" role="tab" aria-controls="templates" aria-selected="true">
                        <i class="bi bi-file-text"></i> Templates
                    </button>
                </li>
                <li class="nav-item" role="presentation">
                    <button class="nav-link" id="qdros-tab" data-bs-toggle="tab" data-bs-target="#qdros" 
                            type="button" role="tab" aria-controls="qdros" aria-selected="false">
                        <i class="bi bi-file-earmark-ruled"></i> QDROs
                    </button>
                </li>
                <li class="nav-item" role="presentation">
                    <button class="nav-link" id="generated-tab" data-bs-toggle="tab" data-bs-target="#generated" 
                            type="button" role="tab" aria-controls="generated" aria-selected="false">
                        <i class="bi bi-file-pdf"></i> Generated Documents
                    </button>
                </li>
            </ul>

            <div class="tab-content" id="documentTabContent">
                <!-- Templates Tab -->
                <div class="tab-pane fade show active" id="templates" role="tabpanel" aria-labelledby="templates-tab">
                    <div class="card mt-3">
                        <div class="card-header">
                            <div class="row align-items-center">
                                <div class="col-md-8">
                                    <h5 class="mb-0"><i class="bi bi-file-text"></i> Document Templates</h5>
                                </div>
                                <div class="col-md-4">
                                    <div class="input-group">
                                        <input type="text" class="form-control form-control-sm" id="templateSearch" placeholder="Search templates...">
                                        <select class="form-select form-select-sm" id="categoryFilter">
                                            <option value="">All Categories</option>
                                        </select>
                                        <button class="btn btn-outline-secondary btn-sm" id="refreshTemplatesBtn">
                                            <i class="bi bi-arrow-clockwise"></i>
                                        </button>
                                    </div>
                                </div>
                            </div>
                        </div>
                        <div class="card-body">
                            <div class="table-responsive">
                                <table class="table table-hover" 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>

                <!-- QDROs Tab -->
                <div class="tab-pane fade" id="qdros" role="tabpanel" aria-labelledby="qdros-tab">
                    <div class="card mt-3">
                        <div class="card-header">
                            <div class="row align-items-center">
                                <div class="col-md-6">
                                    <h5 class="mb-0"><i class="bi bi-file-earmark-ruled"></i> QDRO Documents</h5>
                                </div>
                                <div class="col-md-6">
                                    <div class="input-group">
                                        <input type="text" class="form-control form-control-sm" id="qdroSearch" placeholder="Search QDROs...">
                                        <select class="form-select form-select-sm" 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="btn btn-outline-secondary btn-sm" id="refreshQdrosBtn">
                                            <i class="bi bi-arrow-clockwise"></i>
                                        </button>
                                    </div>
                                </div>
                            </div>
                        </div>
                        <div class="card-body">
                            <div class="table-responsive">
                                <table class="table table-hover" 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>

                <!-- Generated Documents Tab -->
                <div class="tab-pane fade" id="generated" role="tabpanel" aria-labelledby="generated-tab">
                    <div class="card mt-3">
                        <div class="card-header">
                            <h5 class="mb-0"><i class="bi bi-file-pdf"></i> Generated Documents</h5>
                        </div>
                        <div class="card-body">
                            <div id="generatedDocuments">
                                <p class="text-muted">Generated documents will appear here...</p>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Template Editor Modal -->
<div class="modal fade" id="templateModal" tabindex="-1" aria-labelledby="templateModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-xl">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="templateModalLabel">Template Editor</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body">
                <form id="templateForm">
                    <div class="row g-3">
                        <div class="col-md-6">
                            <label for="templateId" class="form-label">Template ID *</label>
                            <input type="text" class="form-control" id="templateId" name="form_id" required>
                        </div>
                        <div class="col-md-6">
                            <label for="templateName" class="form-label">Template Name *</label>
                            <input type="text" class="form-control" id="templateName" name="form_name" required>
                        </div>
                        <div class="col-md-12">
                            <label for="templateCategory" class="form-label">Category</label>
                            <select class="form-select" 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="col-12">
                            <label for="templateContent" class="form-label">Template Content</label>
                            <div class="mb-2">
                                <small class="text-muted">
                                    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="form-control" 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="col-12">
                            <div class="row">
                                <div class="col-md-6">
                                    <button type="button" class="btn btn-outline-secondary btn-sm" id="insertVariableBtn">
                                        <i class="bi bi-plus"></i> Insert Variable
                                    </button>
                                    <button type="button" class="btn btn-outline-info btn-sm" id="previewTemplateBtn">
                                        <i class="bi bi-eye"></i> Preview
                                    </button>
                                </div>
                                <div class="col-md-6 text-end">
                                    <div id="variableCount" class="text-muted small">Variables detected: 0</div>
                                </div>
                            </div>
                        </div>
                    </div>
                </form>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                <button type="button" class="btn btn-primary" id="saveTemplateBtn">
                    <i class="bi bi-check-circle"></i> Save Template
                </button>
            </div>
        </div>
    </div>
</div>

<!-- Document Generation Modal -->
<div class="modal fade" id="generateModal" tabindex="-1" aria-labelledby="generateModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="generateModalLabel">Generate Document</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body">
                <form id="generateForm">
                    <div class="row g-3">
                        <div class="col-md-6">
                            <label for="generateTemplate" class="form-label">Select Template *</label>
                            <select class="form-select" id="generateTemplate" name="template_id" required>
                                <option value="">Choose template...</option>
                            </select>
                        </div>
                        <div class="col-md-6">
                            <label for="generateFile" class="form-label">File Number *</label>
                            <div class="input-group">
                                <input type="text" class="form-control" id="generateFile" name="file_no" required>
                                <button class="btn btn-outline-secondary" type="button" id="selectGenerateFileBtn">
                                    <i class="bi bi-search"></i>
                                </button>
                            </div>
                            <div class="form-text" id="generateFileInfo">Enter file number or browse to select</div>
                        </div>
                        <div class="col-md-6">
                            <label for="outputFormat" class="form-label">Output Format</label>
                            <select class="form-select" id="outputFormat" name="output_format">
                                <option value="PDF">PDF</option>
                                <option value="DOCX">Word Document</option>
                                <option value="HTML">HTML</option>
                            </select>
                        </div>
                        <div class="col-md-6">
                            <div class="form-check mt-4">
                                <input class="form-check-input" type="checkbox" id="useCustomVars">
                                <label class="form-check-label" for="useCustomVars">
                                    Use custom variables
                                </label>
                            </div>
                        </div>
                        <div class="col-12" id="customVariablesSection" style="display: none;">
                            <label class="form-label">Custom Variables</label>
                            <div id="customVariables">
                                <!-- Custom variables will be added here -->
                            </div>
                            <button type="button" class="btn btn-sm btn-outline-secondary" id="addVariableBtn">
                                <i class="bi bi-plus"></i> Add Variable
                            </button>
                        </div>
                        <div class="col-12">
                            <label for="templatePreview" class="form-label">Template Preview</label>
                            <textarea class="form-control" id="templatePreview" readonly rows="8" placeholder="Select a template to see preview..."></textarea>
                        </div>
                    </div>
                </form>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                <button type="button" class="btn btn-primary" id="generateDocumentBtn">
                    <i class="bi bi-file-plus"></i> Generate Document
                </button>
            </div>
        </div>
    </div>
</div>

<!-- QDRO Modal -->
<div class="modal fade" id="qdroModal" tabindex="-1" aria-labelledby="qdroModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-xl">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="qdroModalLabel">QDRO Editor</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body">
                <form id="qdroForm">
                    <div class="row g-3">
                        <div class="col-md-6">
                            <label for="qdroFileNo" class="form-label">File Number *</label>
                            <div class="input-group">
                                <input type="text" class="form-control" id="qdroFileNo" name="file_no" required>
                                <button class="btn btn-outline-secondary" type="button" id="selectQdroFileBtn">
                                    <i class="bi bi-search"></i>
                                </button>
                            </div>
                        </div>
                        <div class="col-md-3">
                            <label for="qdroVersion" class="form-label">Version</label>
                            <input type="text" class="form-control" id="qdroVersion" name="version" value="01">
                        </div>
                        <div class="col-md-3">
                            <label for="qdroStatus" class="form-label">Status</label>
                            <select class="form-select" id="qdroStatus" name="status">
                                <option value="DRAFT">Draft</option>
                                <option value="APPROVED">Approved</option>
                                <option value="FILED">Filed</option>
                            </select>
                        </div>
                        <div class="col-md-6">
                            <label for="qdroParticipant" class="form-label">Participant Name</label>
                            <input type="text" class="form-control" id="qdroParticipant" name="participant_name">
                        </div>
                        <div class="col-md-6">
                            <label for="qdroSpouse" class="form-label">Spouse Name</label>
                            <input type="text" class="form-control" id="qdroSpouse" name="spouse_name">
                        </div>
                        <div class="col-md-6">
                            <label for="qdroPlanName" class="form-label">Plan Name</label>
                            <input type="text" class="form-control" id="qdroPlanName" name="plan_name">
                        </div>
                        <div class="col-md-6">
                            <label for="qdroPlanAdmin" class="form-label">Plan Administrator</label>
                            <input type="text" class="form-control" id="qdroPlanAdmin" name="plan_administrator">
                        </div>
                        <div class="col-md-4">
                            <label for="qdroCreated" class="form-label">Created Date</label>
                            <input type="date" class="form-control" id="qdroCreated" name="created_date">
                        </div>
                        <div class="col-md-4">
                            <label for="qdroApproved" class="form-label">Approved Date</label>
                            <input type="date" class="form-control" id="qdroApproved" name="approved_date">
                        </div>
                        <div class="col-md-4">
                            <label for="qdroFiled" class="form-label">Filed Date</label>
                            <input type="date" class="form-control" id="qdroFiled" name="filed_date">
                        </div>
                        <div class="col-12">
                            <label for="qdroTitle" class="form-label">QDRO Title</label>
                            <input type="text" class="form-control" id="qdroTitle" name="title" placeholder="Enter QDRO title">
                        </div>
                        <div class="col-12">
                            <label for="qdroContent" class="form-label">QDRO Content</label>
                            <textarea class="form-control" id="qdroContent" name="content" rows="10" placeholder="Enter QDRO content or generate from template..."></textarea>
                        </div>
                        <div class="col-12">
                            <label for="qdroNotes" class="form-label">Notes</label>
                            <textarea class="form-control" id="qdroNotes" name="notes" rows="3" placeholder="Additional notes..."></textarea>
                        </div>
                    </div>
                </form>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                <button type="button" class="btn btn-warning" id="generateFromTemplateBtn">
                    <i class="bi bi-file-text"></i> Generate from Template
                </button>
                <button type="button" class="btn btn-primary" id="saveQdroBtn">
                    <i class="bi bi-check-circle"></i> Save QDRO
                </button>
            </div>
        </div>
    </div>
</div>

<!-- Statistics Modal -->
<div class="modal fade" id="statsModal" tabindex="-1" aria-labelledby="statsModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="statsModalLabel">Document Statistics</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body">
                <div class="row">
                    <div class="col-md-6">
                        <div class="card bg-primary text-white">
                            <div class="card-body text-center">
                                <h3 id="totalTemplatesCount">0</h3>
                                <small>Total Templates</small>
                            </div>
                        </div>
                    </div>
                    <div class="col-md-6">
                        <div class="card bg-success text-white">
                            <div class="card-body text-center">
                                <h3 id="totalQdrosCount">0</h3>
                                <small>Total QDROs</small>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="row mt-3">
                    <div class="col-md-6">
                        <div class="card">
                            <div class="card-header">
                                <h6>Templates by Category</h6>
                            </div>
                            <div class="card-body">
                                <div id="categoriesBreakdown">
                                    <!-- Categories will be loaded here -->
                                </div>
                            </div>
                        </div>
                    </div>
                    <div class="col-md-6">
                        <div class="card">
                            <div class="card-header">
                                <h6>Recent Activity</h6>
                            </div>
                            <div class="card-body">
                                <div id="recentActivity">
                                    <!-- Recent activity will be loaded here -->
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
            </div>
        </div>
    </div>
</div>

<!-- Variable Selector Modal -->
<div class="modal fade" id="variableModal" tabindex="-1" aria-labelledby="variableModalLabel" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="variableModalLabel">Insert Variable</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body">
                <div class="list-group">
                    <button type="button" class="list-group-item list-group-item-action variable-item" data-var="FILE_NO">
                        <strong>{{FILE_NO}}</strong> - File Number
                    </button>
                    <button type="button" class="list-group-item list-group-item-action variable-item" data-var="CLIENT_FULL">
                        <strong>{{CLIENT_FULL}}</strong> - Full Client Name
                    </button>
                    <button type="button" class="list-group-item list-group-item-action variable-item" data-var="CLIENT_FIRST">
                        <strong>{{CLIENT_FIRST}}</strong> - Client First Name
                    </button>
                    <button type="button" class="list-group-item list-group-item-action variable-item" data-var="CLIENT_LAST">
                        <strong>{{CLIENT_LAST}}</strong> - Client Last Name
                    </button>
                    <button type="button" class="list-group-item list-group-item-action variable-item" data-var="MATTER">
                        <strong>{{MATTER}}</strong> - Matter Description
                    </button>
                    <button type="button" class="list-group-item list-group-item-action variable-item" data-var="OPENED">
                        <strong>{{OPENED}}</strong> - Date File Opened
                    </button>
                    <button type="button" class="list-group-item list-group-item-action variable-item" data-var="ATTORNEY">
                        <strong>{{ATTORNEY}}</strong> - Attorney/Employee
                    </button>
                    <button type="button" class="list-group-item list-group-item-action variable-item" data-var="TODAY">
                        <strong>{{TODAY}}</strong> - Today's Date
                    </button>
                </div>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
            </div>
        </div>
    </div>
</div>

<script>
// Document Management JavaScript
document.addEventListener('DOMContentLoaded', function() {
    // Initialize page
    loadTemplates();
    loadQdros();
    loadCategories();
    
    // Set up keyboard shortcuts
    setupKeyboardShortcuts();
    
    // Set up event handlers
    setupEventHandlers();
    
    // Auto-refresh every 30 seconds
    setInterval(function() {
        if (document.querySelector('#templates-tab').classList.contains('active')) {
            loadTemplates();
        } else if (document.querySelector('#qdros-tab').classList.contains('active')) {
            loadQdros();
        }
    }, 30000);
});

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() {
        const modal = new bootstrap.Modal(document.getElementById('variableModal'));
        modal.show();
    });
    
    // 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);
            
            const modal = bootstrap.Modal.getInstance(document.getElementById('variableModal'));
            modal.hide();
            
            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);
}

async function loadTemplates() {
    try {
        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)}&`;
        
        const response = await fetch(url);
        if (!response.ok) throw new Error('Failed to load templates');
        
        const templates = await response.json();
        displayTemplates(templates);
    } catch (error) {
        console.error('Error loading templates:', error);
        showAlert('Error loading templates: ' + error.message, 'danger');
    }
}

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;
    
    row.innerHTML = `
        <td><code>${template.form_id}</code></td>
        <td>${template.form_name}</td>
        <td><span class="badge bg-secondary">${template.category}</span></td>
        <td><span class="badge bg-info">${variableCount} vars</span></td>
        <td>
            <span class="badge ${template.active ? 'bg-success' : 'bg-warning'}">
                ${template.active ? 'Active' : 'Inactive'}
            </span>
        </td>
        <td>
            <div class="btn-group btn-group-sm">
                <button class="btn btn-outline-primary" onclick="editTemplate('${template.form_id}')" title="Edit">
                    <i class="bi bi-pencil"></i>
                </button>
                <button class="btn btn-outline-success" onclick="previewTemplate('${template.form_id}')" title="Preview">
                    <i class="bi bi-eye"></i>
                </button>
                <button class="btn btn-outline-info" onclick="generateFromTemplate('${template.form_id}')" title="Generate">
                    <i class="bi bi-file-plus"></i>
                </button>
                <button class="btn btn-outline-danger" onclick="deleteTemplate('${template.form_id}')" title="Delete">
                    <i class="bi bi-trash"></i>
                </button>
            </div>
        </td>
    `;
    
    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 response = await fetch(url);
        if (!response.ok) throw new Error('Failed to load QDROs');
        
        const qdros = await response.json();
        displayQdros(qdros);
    } catch (error) {
        console.error('Error loading QDROs:', error);
        showAlert('Error loading QDROs: ' + error.message, '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');
    
    row.innerHTML = `
        <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="badge ${getStatusBadgeClass(qdro.status)}">
                ${qdro.status}
            </span>
        </td>
        <td>${qdro.created_date ? new Date(qdro.created_date).toLocaleDateString() : ''}</td>
        <td>
            <div class="btn-group btn-group-sm">
                <button class="btn btn-outline-primary" onclick="editQdro(${qdro.id})" title="Edit">
                    <i class="bi bi-pencil"></i>
                </button>
                <button class="btn btn-outline-info" onclick="viewQdro(${qdro.id})" title="View">
                    <i class="bi bi-eye"></i>
                </button>
                <button class="btn btn-outline-danger" onclick="deleteQdro(${qdro.id})" title="Delete">
                    <i class="bi bi-trash"></i>
                </button>
            </div>
        </td>
    `;
    
    return row;
}

function getStatusBadgeClass(status) {
    switch (status) {
        case 'DRAFT': return 'bg-warning';
        case 'APPROVED': return 'bg-success';
        case 'FILED': return 'bg-primary';
        default: return 'bg-secondary';
    }
}

async function loadCategories() {
    try {
        const response = await fetch('/api/documents/categories/');
        if (!response.ok) throw new Error('Failed to load categories');
        
        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);
    }
}

function openTemplateModal(templateId = null) {
    const modal = new bootstrap.Modal(document.getElementById('templateModal'));
    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();
    }
    
    modal.show();
    updateVariableCount();
}

async function loadTemplateForEditing(templateId) {
    try {
        const response = await fetch(`/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);
        showAlert('Error loading template: ' + error.message, '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 fetch(url, {
            method: method,
            headers: {
                'Content-Type': 'application/json'
            },
            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');
        const modal = bootstrap.Modal.getInstance(document.getElementById('templateModal'));
        modal.hide();
        loadTemplates();
    } catch (error) {
        console.error('Error saving template:', error);
        showAlert('Error saving template: ' + error.message, '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 fetch('/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 = 'd-flex justify-content-between mb-1';
            div.innerHTML = `<span>${category}</span><span class="badge bg-secondary">${count}</span>`;
            categoriesDiv.appendChild(div);
        });
        
        // Display recent activity
        const activityDiv = document.getElementById('recentActivity');
        activityDiv.innerHTML = '';
        
        if (stats.recent_activity.length === 0) {
            activityDiv.innerHTML = '<p class="text-muted">No recent activity</p>';
        } else {
            stats.recent_activity.forEach(activity => {
                const div = document.createElement('div');
                div.className = 'mb-2 p-2 border rounded';
                div.innerHTML = `
                    <small class="text-muted">${activity.type}</small><br>
                    <strong>File: ${activity.file_no}</strong><br>
                    <span class="badge ${getStatusBadgeClass(activity.status)}">${activity.status}</span>
                `;
                activityDiv.appendChild(div);
            });
        }
        
        const modal = new bootstrap.Modal(document.getElementById('statsModal'));
        modal.show();
    } catch (error) {
        console.error('Error loading statistics:', error);
        showAlert('Error loading statistics: ' + error.message, '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') {
    const alertDiv = document.createElement('div');
    alertDiv.className = `alert alert-${type} alert-dismissible fade show position-fixed top-0 end-0 m-3`;
    alertDiv.style.zIndex = '9999';
    alertDiv.innerHTML = `
        ${message}
        <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    `;
    
    document.body.appendChild(alertDiv);
    
    // Auto-dismiss after 5 seconds
    setTimeout(() => {
        if (alertDiv.parentNode) {
            alertDiv.remove();
        }
    }, 5000);
}

// 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 fetch(`/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);
            showAlert('Error deleting template: ' + error.message, 'danger');
        }
    }
}

function openGenerateModal() {
    const modal = new bootstrap.Modal(document.getElementById('generateModal'));
    loadTemplatesForGeneration();
    modal.show();
}

async function loadTemplatesForGeneration() {
    try {
        const response = await fetch('/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);
    }
}

async function loadTemplatePreview(templateId) {
    try {
        const response = await fetch(`/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);
    }
}

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 fetch(`/api/documents/generate/${templateId}`, {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            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');
        const modal = bootstrap.Modal.getInstance(document.getElementById('generateModal'));
        modal.hide();
        
        // Optionally trigger download
        if (confirm('Document generated successfully. Download now?')) {
            window.open(result.file_path, '_blank');
        }
    } catch (error) {
        console.error('Error generating document:', error);
        showAlert('Error generating document: ' + error.message, 'danger');
    }
}

function addCustomVariableInput() {
    const container = document.getElementById('customVariables');
    const div = document.createElement('div');
    div.className = 'row g-2 mb-2 custom-var-input';
    div.innerHTML = `
        <div class="col-md-5">
            <input type="text" class="form-control form-control-sm var-name" placeholder="Variable name">
        </div>
        <div class="col-md-5">
            <input type="text" class="form-control form-control-sm var-value" placeholder="Variable value">
        </div>
        <div class="col-md-2">
            <button type="button" class="btn btn-sm btn-outline-danger" onclick="this.parentNode.parentNode.remove()">
                <i class="bi bi-x"></i>
            </button>
        </div>
    `;
    container.appendChild(div);
}

function openQdroModal(qdroId = null) {
    const modal = new bootstrap.Modal(document.getElementById('qdroModal'));
    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];
    }
    
    modal.show();
}

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');
    }
}
</script>
{% endblock %}