{% extends 'base.html' %}
{% load static %}

{% block title %}DICOM Files Management{% endblock %}

{% block css %}
<link href="{% static 'plugins/datatables.net-bs5/css/dataTables.bootstrap5.min.css' %}" rel="stylesheet" />
<link href="{% static 'plugins/datatables.net-responsive-bs5/css/responsive.bootstrap5.min.css' %}" rel="stylesheet" />
<link href="{% static 'plugins/datatables.net-buttons-bs5/css/buttons.bootstrap5.min.css' %}" rel="stylesheet" />
<style>
.page-header-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 0.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-color);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.25rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: #495057;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #6c757d;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
}

.filters-section {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

.files-table-section {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    overflow: hidden;
}

.section-header {
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    padding: 1rem 1.5rem;
    font-weight: 600;
    color: #495057;
    display: flex;
    justify-content: between;
    align-items: center;
}

.file-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: 0.375rem;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.2s;
}

.file-thumbnail:hover {
    background: #e3f2fd;
    color: #1976d2;
    transform: scale(1.05);
}

.file-info {
    flex: 1;
}

.file-name {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.25rem;
}

.file-details {
    font-size: 0.875rem;
    color: #6c757d;
    margin-bottom: 0.25rem;
}

.file-meta {
    font-size: 0.75rem;
    color: #adb5bd;
}

.patient-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.patient-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #007bff;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.modality-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.modality-ct { background: #e3f2fd; color: #1976d2; }
.modality-mri { background: #f3e5f5; color: #7b1fa2; }
.modality-xr { background: #e8f5e8; color: #388e3c; }
.modality-us { background: #fff3e0; color: #f57c00; }
.modality-cr { background: #fce4ec; color: #c2185b; }
.modality-dx { background: #e0f2f1; color: #00796b; }

.status-badge {
    padding: 0.375rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-uploaded { background: #e8f5e8; color: #2e7d32; }
.status-processing { background: #fff3cd; color: #856404; }
.status-processed { background: #d1ecf1; color: #0c5460; }
.status-archived { background: #f8f9fa; color: #6c757d; }
.status-error { background: #f8d7da; color: #721c24; }

.action-buttons {
    display: flex;
    gap: 0.25rem;
}

.btn-action {
    padding: 0.375rem 0.5rem;
    border: none;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.875rem;
}

.btn-view { background: #e3f2fd; color: #1976d2; }
.btn-download { background: #e8f5e8; color: #2e7d32; }
.btn-edit { background: #fff3e0; color: #f57c00; }
.btn-delete { background: #ffebee; color: #d32f2f; }
.btn-analyze { background: #f3e5f5; color: #7b1fa2; }

.btn-action:hover {
    transform: scale(1.05);
    opacity: 0.8;
}

.bulk-actions {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    padding: 1rem;
    margin-bottom: 1rem;
    display: none;
}

.bulk-actions.show {
    display: block;
}

.quick-filters {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.quick-filter {
    padding: 0.5rem 1rem;
    border: 1px solid #dee2e6;
    background: white;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.875rem;
    text-decoration: none;
    color: #495057;
}

.quick-filter:hover, .quick-filter.active {
    background: #007bff;
    color: white;
    border-color: #007bff;
    text-decoration: none;
}

.file-size {
    font-weight: bold;
    color: #6c757d;
}

.upload-progress {
    background: #e9ecef;
    border-radius: 0.25rem;
    height: 4px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.progress-bar {
    background: #007bff;
    height: 100%;
    transition: width 0.3s ease;
}

.dicom-tags {
    font-size: 0.75rem;
    color: #6c757d;
    margin-top: 0.25rem;
}

.study-info {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 0.25rem;
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.study-date {
    font-weight: 600;
    color: #495057;
}

.study-description {
    font-size: 0.875rem;
    color: #6c757d;
}

@media (max-width: 768px) {
    .page-header-section {
        padding: 1.5rem;
    }
    
    .stats-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .filter-row {
        grid-template-columns: 1fr;
    }
    
    .quick-filters {
        justify-content: center;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .file-thumbnail {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media print {
    .filters-section, .bulk-actions, .action-buttons {
        display: none !important;
    }
    
    .section-header {
        background: none;
        border-bottom: 2px solid #000;
        color: #000;
    }
}
</style>
{% endblock %}

{% block content %}
<div id="content" class="app-content">
    <!-- Page Header -->
    <div class="d-flex align-items-center mb-3">
        <div>
            <ol class="breadcrumb">
                <li class="breadcrumb-item"><a href="{% url 'core:dashboard' %}">Dashboard</a></li>
                <li class="breadcrumb-item"><a href="{% url 'radiology:dashboard' %}">Radiology</a></li>
                <li class="breadcrumb-item active">DICOM Files</li>
            </ol>
            <h1 class="page-header mb-0">
                <i class="fas fa-file-medical me-2"></i>DICOM Files Management
            </h1>
        </div>
        <div class="ms-auto">
            <button type="button" class="btn btn-outline-secondary me-2" onclick="exportFiles()">
                <i class="fas fa-download me-1"></i>Export
            </button>
            <button type="button" class="btn btn-outline-info me-2" onclick="bulkUpload()">
                <i class="fas fa-upload me-1"></i>Bulk Upload
            </button>
{#            <a href="{% url 'radiology:dicom_upload' %}" class="btn btn-primary">#}
{#                <i class="fas fa-plus me-1"></i>Upload DICOM#}
{#            </a>#}
        </div>
    </div>

    <!-- Statistics Cards -->
    <div class="stats-cards">
        <div class="stat-card" style="--card-color: #007bff;">
            <div class="stat-icon" style="background: #007bff;">
                <i class="fas fa-file-medical"></i>
            </div>
            <div class="stat-number">{{ stats.total_files|default:0 }}</div>
            <div class="stat-label">Total Files</div>
        </div>
        
        <div class="stat-card" style="--card-color: #28a745;">
            <div class="stat-icon" style="background: #28a745;">
                <i class="fas fa-check-circle"></i>
            </div>
            <div class="stat-number">{{ stats.processed_files|default:0 }}</div>
            <div class="stat-label">Processed</div>
        </div>
        
        <div class="stat-card" style="--card-color: #ffc107;">
            <div class="stat-icon" style="background: #ffc107;">
                <i class="fas fa-clock"></i>
            </div>
            <div class="stat-number">{{ stats.pending_files|default:0 }}</div>
            <div class="stat-label">Processing</div>
        </div>
        
        <div class="stat-card" style="--card-color: #17a2b8;">
            <div class="stat-icon" style="background: #17a2b8;">
                <i class="fas fa-hdd"></i>
            </div>
            <div class="stat-number">{{ stats.total_size|default:"0 GB" }}</div>
            <div class="stat-label">Storage Used</div>
        </div>
        
        <div class="stat-card" style="--card-color: #6f42c1;">
            <div class="stat-icon" style="background: #6f42c1;">
                <i class="fas fa-users"></i>
            </div>
            <div class="stat-number">{{ stats.unique_patients|default:0 }}</div>
            <div class="stat-label">Patients</div>
        </div>
    </div>

    <!-- Quick Filters -->
    <div class="quick-filters">
        <a href="?status=all" class="quick-filter {% if not request.GET.status or request.GET.status == 'all' %}active{% endif %}">
            <i class="fas fa-list me-1"></i>All Files
        </a>
        <a href="?status=uploaded" class="quick-filter {% if request.GET.status == 'uploaded' %}active{% endif %}">
            <i class="fas fa-upload me-1"></i>Uploaded
        </a>
        <a href="?status=processing" class="quick-filter {% if request.GET.status == 'processing' %}active{% endif %}">
            <i class="fas fa-clock me-1"></i>Processing
        </a>
        <a href="?status=processed" class="quick-filter {% if request.GET.status == 'processed' %}active{% endif %}">
            <i class="fas fa-check me-1"></i>Processed
        </a>
        <a href="?modality=CT" class="quick-filter {% if request.GET.modality == 'CT' %}active{% endif %}">
            <i class="fas fa-x-ray me-1"></i>CT Scans
        </a>
        <a href="?modality=MRI" class="quick-filter {% if request.GET.modality == 'MRI' %}active{% endif %}">
            <i class="fas fa-brain me-1"></i>MRI
        </a>
        <a href="?modality=XR" class="quick-filter {% if request.GET.modality == 'XR' %}active{% endif %}">
            <i class="fas fa-bone me-1"></i>X-Ray
        </a>
    </div>

    <!-- Filters Section -->
    <div class="filters-section">
        <h6 class="mb-3">
            <i class="fas fa-filter me-2"></i>Advanced Filters
        </h6>
        
        <form method="get" id="filter-form">
            <div class="filter-row">
                <div>
                    <label class="form-label">Patient Name/ID</label>
                    <input type="text" class="form-control" name="patient" 
                           value="{{ request.GET.patient }}" placeholder="Search patient...">
                </div>
                
                <div>
                    <label class="form-label">Study Date</label>
                    <input type="date" class="form-control" name="study_date" 
                           value="{{ request.GET.study_date }}">
                </div>
                
                <div>
                    <label class="form-label">Modality</label>
                    <select class="form-select" name="modality">
                        <option value="">All Modalities</option>
                        <option value="CT" {% if request.GET.modality == 'CT' %}selected{% endif %}>CT</option>
                        <option value="MRI" {% if request.GET.modality == 'MRI' %}selected{% endif %}>MRI</option>
                        <option value="XR" {% if request.GET.modality == 'XR' %}selected{% endif %}>X-Ray</option>
                        <option value="US" {% if request.GET.modality == 'US' %}selected{% endif %}>Ultrasound</option>
                        <option value="CR" {% if request.GET.modality == 'CR' %}selected{% endif %}>CR</option>
                        <option value="DX" {% if request.GET.modality == 'DX' %}selected{% endif %}>DX</option>
                    </select>
                </div>
                
                <div>
                    <label class="form-label">Status</label>
                    <select class="form-select" name="status">
                        <option value="">All Statuses</option>
                        <option value="uploaded" {% if request.GET.status == 'uploaded' %}selected{% endif %}>Uploaded</option>
                        <option value="processing" {% if request.GET.status == 'processing' %}selected{% endif %}>Processing</option>
                        <option value="processed" {% if request.GET.status == 'processed' %}selected{% endif %}>Processed</option>
                        <option value="archived" {% if request.GET.status == 'archived' %}selected{% endif %}>Archived</option>
                        <option value="error" {% if request.GET.status == 'error' %}selected{% endif %}>Error</option>
                    </select>
                </div>
                
                <div>
                    <label class="form-label">File Size</label>
                    <select class="form-select" name="size_range">
                        <option value="">Any Size</option>
                        <option value="small" {% if request.GET.size_range == 'small' %}selected{% endif %}>< 10 MB</option>
                        <option value="medium" {% if request.GET.size_range == 'medium' %}selected{% endif %}>10-100 MB</option>
                        <option value="large" {% if request.GET.size_range == 'large' %}selected{% endif %}>100-500 MB</option>
                        <option value="xlarge" {% if request.GET.size_range == 'xlarge' %}selected{% endif %}>> 500 MB</option>
                    </select>
                </div>
                
                <div>
                    <button type="submit" class="btn btn-primary">
                        <i class="fas fa-search me-1"></i>Filter
                    </button>
{#                    <a href="{% url 'radiology:dicom_file_list' %}" class="btn btn-outline-secondary ms-2">#}
{#                        <i class="fas fa-times me-1"></i>Clear#}
{#                    </a>#}
                </div>
            </div>
        </form>
    </div>

    <!-- Bulk Actions -->
    <div class="bulk-actions" id="bulk-actions">
        <div class="d-flex align-items-center justify-content-between">
            <div>
                <span id="selected-count">0</span> files selected
            </div>
            <div>
                <button type="button" class="btn btn-outline-primary btn-sm me-2" onclick="bulkDownload()">
                    <i class="fas fa-download me-1"></i>Download Selected
                </button>
                <button type="button" class="btn btn-outline-info btn-sm me-2" onclick="bulkAnalyze()">
                    <i class="fas fa-search me-1"></i>Analyze Selected
                </button>
                <button type="button" class="btn btn-outline-warning btn-sm me-2" onclick="bulkArchive()">
                    <i class="fas fa-archive me-1"></i>Archive Selected
                </button>
                <button type="button" class="btn btn-outline-danger btn-sm" onclick="bulkDelete()">
                    <i class="fas fa-trash me-1"></i>Delete Selected
                </button>
            </div>
        </div>
    </div>

    <!-- Files Table -->
    <div class="files-table-section">
        <div class="section-header">
            <div>
                <i class="fas fa-table me-2"></i>DICOM Files ({{ files|length }})
            </div>
            <div class="d-flex align-items-center gap-2">
                <div class="form-check form-switch">
                    <input class="form-check-input" type="checkbox" id="auto-refresh">
                    <label class="form-check-label" for="auto-refresh">Auto Refresh</label>
                </div>
                <button type="button" class="btn btn-outline-secondary btn-sm" onclick="refreshTable()">
                    <i class="fas fa-sync"></i>
                </button>
            </div>
        </div>
        
        <div class="table-responsive">
            <table class="table table-hover mb-0" id="files-table">
                <thead class="table-light">
                    <tr>
                        <th width="40">
                            <div class="form-check">
                                <input class="form-check-input" type="checkbox" id="select-all">
                            </div>
                        </th>
                        <th>File</th>
                        <th>Patient</th>
                        <th>Study Info</th>
                        <th>Modality</th>
                        <th>Size</th>
                        <th>Upload Date</th>
                        <th>Status</th>
                        <th width="150">Actions</th>
                    </tr>
                </thead>
                <tbody>
                    {% for file in files %}
                    <tr>
                        <td>
                            <div class="form-check">
                                <input class="form-check-input file-checkbox" type="checkbox" value="{{ file.id }}">
                            </div>
                        </td>
                        <td>
                            <div class="d-flex align-items-center gap-3">
                                <div class="file-thumbnail" onclick="viewFile({{ file.id }})">
                                    {% if file.thumbnail %}
                                    <img src="{{ file.thumbnail.url }}" alt="Thumbnail" style="width: 100%; height: 100%; object-fit: cover; border-radius: 0.375rem;">
                                    {% else %}
                                    <i class="fas fa-file-medical"></i>
                                    {% endif %}
                                </div>
                                <div class="file-info">
                                    <div class="file-name">{{ file.filename }}</div>
                                    <div class="file-details">{{ file.series_description|default:"No description" }}</div>
                                    <div class="file-meta">
                                        Instance: {{ file.instance_number|default:"N/A" }} | 
                                        Slice: {{ file.slice_location|default:"N/A" }}
                                    </div>
                                    {% if file.dicom_tags %}
                                    <div class="dicom-tags">
                                        SOP: {{ file.dicom_tags.SOPInstanceUID|truncatechars:20 }}
                                    </div>
                                    {% endif %}
                                </div>
                            </div>
                        </td>
                        <td>
                            <div class="patient-info">
                                <div class="patient-avatar">
                                    {{ file.patient_name.0|upper|default:"P" }}
                                </div>
                                <div>
                                    <div class="fw-bold">{{ file.patient_name|default:"Unknown Patient" }}</div>
                                    <small class="text-muted">ID: {{ file.patient_id|default:"N/A" }}</small>
                                </div>
                            </div>
                        </td>
                        <td>
                            <div class="study-info">
                                <div class="study-date">{{ file.study_date|date:"M d, Y"|default:"N/A" }}</div>
                                <div class="study-description">{{ file.study_description|truncatechars:30|default:"No description" }}</div>
                                {% if file.study_time %}
                                <small class="text-muted">{{ file.study_time|time:"g:i A" }}</small>
                                {% endif %}
                            </div>
                        </td>
                        <td>
                            <span class="modality-badge modality-{{ file.modality|lower }}">
                                {{ file.modality|default:"Unknown" }}
                            </span>
                        </td>
                        <td>
                            <div class="file-size">{{ file.file_size|filesizeformat }}</div>
                            {% if file.compression_ratio %}
                            <small class="text-muted">{{ file.compression_ratio }}% compressed</small>
                            {% endif %}
                        </td>
                        <td>
                            <div class="fw-bold">{{ file.uploaded_at|date:"M d, Y" }}</div>
                            <small class="text-muted">{{ file.uploaded_at|time:"g:i A" }}</small>
                        </td>
                        <td>
                            <span class="status-badge status-{{ file.status }}">
                                {{ file.get_status_display }}
                            </span>
                            {% if file.status == 'processing' %}
                            <div class="upload-progress">
                                <div class="progress-bar" style="width: {{ file.processing_progress|default:0 }}%"></div>
                            </div>
                            {% endif %}
                        </td>
                        <td>
                            <div class="action-buttons">
                                <button type="button" class="btn-action btn-view" 
                                        onclick="viewFile({{ file.id }})" title="View DICOM">
                                    <i class="fas fa-eye"></i>
                                </button>
                                <button type="button" class="btn-action btn-download" 
                                        onclick="downloadFile({{ file.id }})" title="Download">
                                    <i class="fas fa-download"></i>
                                </button>
                                <button type="button" class="btn-action btn-analyze" 
                                        onclick="analyzeFile({{ file.id }})" title="Analyze">
                                    <i class="fas fa-search"></i>
                                </button>
                                {% if file.can_edit %}
                                <button type="button" class="btn-action btn-edit" 
                                        onclick="editFile({{ file.id }})" title="Edit Metadata">
                                    <i class="fas fa-edit"></i>
                                </button>
                                {% endif %}
                                {% if file.can_delete %}
                                <button type="button" class="btn-action btn-delete" 
                                        onclick="deleteFile({{ file.id }})" title="Delete">
                                    <i class="fas fa-trash"></i>
                                </button>
                                {% endif %}
                            </div>
                        </td>
                    </tr>
                    {% empty %}
                    <tr>
                        <td colspan="9" class="text-center py-4">
                            <div class="text-muted">
                                <i class="fas fa-file-medical fa-3x mb-3"></i>
                                <h5>No DICOM Files Found</h5>
                                <p>No DICOM files match your current filters.</p>
{#                                <a href="{% url 'radiology:dicom_upload' %}" class="btn btn-primary">#}
{#                                    <i class="fas fa-plus me-1"></i>Upload First File#}
{#                                </a>#}
                            </div>
                        </td>
                    </tr>
                    {% endfor %}
                </tbody>
            </table>
        </div>
        
        <!-- Pagination -->
        {% if is_paginated %}
        <div class="d-flex justify-content-between align-items-center p-3">
            <div class="text-muted">
                Showing {{ files|length }} of {{ total_files }} files
            </div>
            
            <nav aria-label="Files pagination">
                <ul class="pagination pagination-sm mb-0">
                    {% if page_obj.has_previous %}
                    <li class="page-item">
                        <a class="page-link" href="?page=1{{ request.GET.urlencode }}">First</a>
                    </li>
                    <li class="page-item">
                        <a class="page-link" href="?page={{ page_obj.previous_page_number }}{{ request.GET.urlencode }}">Previous</a>
                    </li>
                    {% endif %}
                    
                    <li class="page-item active">
                        <span class="page-link">{{ page_obj.number }} of {{ page_obj.paginator.num_pages }}</span>
                    </li>
                    
                    {% if page_obj.has_next %}
                    <li class="page-item">
                        <a class="page-link" href="?page={{ page_obj.next_page_number }}{{ request.GET.urlencode }}">Next</a>
                    </li>
                    <li class="page-item">
                        <a class="page-link" href="?page={{ page_obj.paginator.num_pages }}{{ request.GET.urlencode }}">Last</a>
                    </li>
                    {% endif %}
                </ul>
            </nav>
        </div>
        {% endif %}
    </div>
</div>

<!-- File Details Modal -->
<div class="modal fade" id="fileDetailsModal" tabindex="-1">
    <div class="modal-dialog modal-xl">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">
                    <i class="fas fa-file-medical me-2"></i>DICOM File Details
                </h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body" id="file-details-content">
                <!-- File details will be loaded here -->
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">
                    <i class="fas fa-times me-1"></i>Close
                </button>
                <button type="button" class="btn btn-primary" onclick="openInViewer()">
                    <i class="fas fa-eye me-1"></i>Open in Viewer
                </button>
            </div>
        </div>
    </div>
</div>

<!-- Delete Confirmation Modal -->
<div class="modal fade" id="deleteModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">
                    <i class="fas fa-exclamation-triangle me-2 text-danger"></i>Delete DICOM File
                </h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <div class="alert alert-danger">
                    <i class="fas fa-exclamation-triangle me-2"></i>
                    Are you sure you want to delete this DICOM file? This action cannot be undone.
                </div>
                
                <div class="mb-3">
                    <label class="form-label">Reason for Deletion</label>
                    <textarea class="form-control" id="deletion-reason" rows="3" 
                              placeholder="Please provide a reason for deleting this file..." required></textarea>
                </div>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">
                    <i class="fas fa-times me-1"></i>Cancel
                </button>
                <button type="button" class="btn btn-danger" onclick="confirmDeletion()">
                    <i class="fas fa-trash me-1"></i>Delete File
                </button>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block js %}
<script src="{% static 'plugins/datatables.net/js/dataTables.min.js' %}"></script>
<script src="{% static 'plugins/datatables.net-bs5/js/dataTables.bootstrap5.min.js' %}"></script>
<script src="{% static 'plugins/datatables.net-responsive-bs5/js/responsive.bootstrap5.min.js' %}"></script>
<script src="{% static 'plugins/datatables.net-buttons-bs5/js/buttons.bootstrap5.min.js' %}"></script>

<script>
let currentFileId = null;

$(document).ready(function() {
    // Initialize DataTable
    $('#files-table').DataTable({
        responsive: true,
        pageLength: 25,
        order: [[6, 'desc']], // Sort by upload date
        columnDefs: [
            { orderable: false, targets: [0, 8] } // Disable sorting for checkbox and actions
        ]
    });
    
    // Handle select all checkbox
    $('#select-all').change(function() {
        $('.file-checkbox').prop('checked', this.checked);
        updateBulkActions();
    });
    
    // Handle individual checkboxes
    $('.file-checkbox').change(function() {
        updateBulkActions();
        
        // Update select all checkbox
        const totalCheckboxes = $('.file-checkbox').length;
        const checkedCheckboxes = $('.file-checkbox:checked').length;
        $('#select-all').prop('checked', totalCheckboxes === checkedCheckboxes);
    });
    
    // Auto-refresh functionality
    let autoRefreshInterval;
    $('#auto-refresh').change(function() {
        if (this.checked) {
            autoRefreshInterval = setInterval(refreshTable, 30000); // Refresh every 30 seconds
        } else {
            clearInterval(autoRefreshInterval);
        }
    });
});

function updateBulkActions() {
    const selectedCount = $('.file-checkbox:checked').length;
    $('#selected-count').text(selectedCount);
    
    if (selectedCount > 0) {
        $('#bulk-actions').addClass('show');
    } else {
        $('#bulk-actions').removeClass('show');
    }
}

function refreshTable() {
    location.reload();
}

function exportFiles() {
    const selectedFiles = $('.file-checkbox:checked').map(function() {
        return this.value;
    }).get();
    
    let url = '/radiology/dicom/export/';
    if (selectedFiles.length > 0) {
        url += '?files=' + selectedFiles.join(',');
    }
    
    window.open(url, '_blank');
}

function bulkUpload() {
    window.location.href = '/radiology/dicom/bulk-upload/';
}

function viewFile(fileId) {
    currentFileId = fileId;
    
    fetch(`/radiology/dicom/${fileId}/details/`, {
        method: 'GET',
        headers: {
            'X-Requested-With': 'XMLHttpRequest'
        }
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            displayFileDetails(data.file);
            new bootstrap.Modal(document.getElementById('fileDetailsModal')).show();
        } else {
            showAlert('Error loading file details', 'danger');
        }
    })
    .catch(error => {
        showAlert('Error loading file details', 'danger');
    });
}

function displayFileDetails(file) {
    const content = `
        <div class="row">
            <div class="col-md-6">
                <h6>File Information</h6>
                <table class="table table-sm">
                    <tr><td><strong>Filename:</strong></td><td>${file.filename}</td></tr>
                    <tr><td><strong>Size:</strong></td><td>${file.file_size}</td></tr>
                    <tr><td><strong>Upload Date:</strong></td><td>${file.uploaded_at}</td></tr>
                    <tr><td><strong>Status:</strong></td><td>${file.status}</td></tr>
                </table>
                
                <h6>Patient Information</h6>
                <table class="table table-sm">
                    <tr><td><strong>Name:</strong></td><td>${file.patient_name || 'N/A'}</td></tr>
                    <tr><td><strong>ID:</strong></td><td>${file.patient_id || 'N/A'}</td></tr>
                    <tr><td><strong>Birth Date:</strong></td><td>${file.patient_birth_date || 'N/A'}</td></tr>
                    <tr><td><strong>Sex:</strong></td><td>${file.patient_sex || 'N/A'}</td></tr>
                </table>
            </div>
            
            <div class="col-md-6">
                <h6>Study Information</h6>
                <table class="table table-sm">
                    <tr><td><strong>Study Date:</strong></td><td>${file.study_date || 'N/A'}</td></tr>
                    <tr><td><strong>Study Time:</strong></td><td>${file.study_time || 'N/A'}</td></tr>
                    <tr><td><strong>Description:</strong></td><td>${file.study_description || 'N/A'}</td></tr>
                    <tr><td><strong>Modality:</strong></td><td>${file.modality || 'N/A'}</td></tr>
                </table>
                
                <h6>Series Information</h6>
                <table class="table table-sm">
                    <tr><td><strong>Series Number:</strong></td><td>${file.series_number || 'N/A'}</td></tr>
                    <tr><td><strong>Description:</strong></td><td>${file.series_description || 'N/A'}</td></tr>
                    <tr><td><strong>Instance Number:</strong></td><td>${file.instance_number || 'N/A'}</td></tr>
                    <tr><td><strong>Slice Location:</strong></td><td>${file.slice_location || 'N/A'}</td></tr>
                </table>
            </div>
        </div>
        
        ${file.thumbnail ? `
        <div class="text-center mt-3">
            <h6>Preview</h6>
            <img src="${file.thumbnail}" alt="DICOM Preview" class="img-fluid" style="max-height: 300px;">
        </div>
        ` : ''}
    `;
    
    document.getElementById('file-details-content').innerHTML = content;
}

function downloadFile(fileId) {
    window.open(`/radiology/dicom/${fileId}/download/`, '_blank');
}

function analyzeFile(fileId) {
    window.location.href = `/radiology/dicom/${fileId}/analyze/`;
}

function editFile(fileId) {
    window.location.href = `/radiology/dicom/${fileId}/edit/`;
}

function deleteFile(fileId) {
    currentFileId = fileId;
    new bootstrap.Modal(document.getElementById('deleteModal')).show();
}

function confirmDeletion() {
    const reason = document.getElementById('deletion-reason').value;
    
    if (!reason.trim()) {
        showAlert('Please provide a reason for deletion', 'warning');
        return;
    }
    
    fetch(`/radiology/dicom/${currentFileId}/delete/`, {
        method: 'DELETE',
        headers: {
            'X-CSRFToken': document.querySelector('[name=csrfmiddlewaretoken]').value,
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({
            reason: reason
        })
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            showAlert('DICOM file deleted successfully', 'success');
            setTimeout(() => location.reload(), 1500);
        } else {
            showAlert('Error deleting DICOM file', 'danger');
        }
    })
    .catch(error => {
        showAlert('Error deleting DICOM file', 'danger');
    });
    
    bootstrap.Modal.getInstance(document.getElementById('deleteModal')).hide();
}

function bulkDownload() {
    const selectedFiles = $('.file-checkbox:checked').map(function() {
        return this.value;
    }).get();
    
    if (selectedFiles.length === 0) {
        showAlert('Please select files to download', 'warning');
        return;
    }
    
    const url = '/radiology/dicom/bulk-download/?files=' + selectedFiles.join(',');
    window.open(url, '_blank');
}

function bulkAnalyze() {
    const selectedFiles = $('.file-checkbox:checked').map(function() {
        return this.value;
    }).get();
    
    if (selectedFiles.length === 0) {
        showAlert('Please select files to analyze', 'warning');
        return;
    }
    
    if (confirm(`Start analysis for ${selectedFiles.length} selected files?`)) {
        fetch('/radiology/dicom/bulk-analyze/', {
            method: 'POST',
            headers: {
                'X-CSRFToken': document.querySelector('[name=csrfmiddlewaretoken]').value,
                'Content-Type': 'application/json'
            },
            body: JSON.stringify({
                file_ids: selectedFiles
            })
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                showAlert(`Analysis started for ${data.processed_count} files`, 'success');
                setTimeout(() => location.reload(), 1500);
            } else {
                showAlert('Error starting analysis', 'danger');
            }
        })
        .catch(error => {
            showAlert('Error starting analysis', 'danger');
        });
    }
}

function bulkArchive() {
    const selectedFiles = $('.file-checkbox:checked').map(function() {
        return this.value;
    }).get();
    
    if (selectedFiles.length === 0) {
        showAlert('Please select files to archive', 'warning');
        return;
    }
    
    if (confirm(`Archive ${selectedFiles.length} selected files?`)) {
        fetch('/radiology/dicom/bulk-archive/', {
            method: 'POST',
            headers: {
                'X-CSRFToken': document.querySelector('[name=csrfmiddlewaretoken]').value,
                'Content-Type': 'application/json'
            },
            body: JSON.stringify({
                file_ids: selectedFiles
            })
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                showAlert(`${data.archived_count} files archived successfully`, 'success');
                setTimeout(() => location.reload(), 1500);
            } else {
                showAlert('Error archiving files', 'danger');
            }
        })
        .catch(error => {
            showAlert('Error archiving files', 'danger');
        });
    }
}

function bulkDelete() {
    const selectedFiles = $('.file-checkbox:checked').map(function() {
        return this.value;
    }).get();
    
    if (selectedFiles.length === 0) {
        showAlert('Please select files to delete', 'warning');
        return;
    }
    
    if (confirm(`Are you sure you want to delete ${selectedFiles.length} selected files? This action cannot be undone.`)) {
        fetch('/radiology/dicom/bulk-delete/', {
            method: 'DELETE',
            headers: {
                'X-CSRFToken': document.querySelector('[name=csrfmiddlewaretoken]').value,
                'Content-Type': 'application/json'
            },
            body: JSON.stringify({
                file_ids: selectedFiles
            })
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                showAlert(`${data.deleted_count} files deleted successfully`, 'success');
                setTimeout(() => location.reload(), 1500);
            } else {
                showAlert('Error deleting files', 'danger');
            }
        })
        .catch(error => {
            showAlert('Error deleting files', 'danger');
        });
    }
}

function openInViewer() {
    if (currentFileId) {
        window.open(`/radiology/dicom/${currentFileId}/viewer/`, '_blank');
    }
}

function showAlert(message, type) {
    const alertDiv = document.createElement('div');
    alertDiv.className = `alert alert-${type} alert-dismissible fade show position-fixed`;
    alertDiv.style.cssText = 'top: 20px; right: 20px; z-index: 1060; min-width: 300px;';
    alertDiv.innerHTML = `
        ${message}
        <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    `;
    
    document.body.appendChild(alertDiv);
    
    setTimeout(() => {
        if (alertDiv.parentNode) {
            alertDiv.remove();
        }
    }, 5000);
}
</script>
{% endblock %}