{% extends "base.html" %}

{% block title %}Media Library - DigiServer v2{% endblock %}

{% block content %}
<style>
    .media-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 15px;
        margin-top: 20px;
    }
    
    .media-card {
        background: white;
        border: 1px solid #dee2e6;
        border-radius: 8px;
        padding: 10px;
        transition: all 0.3s ease;
        cursor: pointer;
        position: relative;
    }
    
    .media-card:hover {
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        transform: translateY(-2px);
    }
    
    body.dark-mode .media-card {
        background: #1a202c;
        border-color: #4a5568;
    }
    
    .media-thumbnail {
        width: 100%;
        height: 150px;
        border-radius: 6px;
        overflow: hidden;
        background: #f0f0f0;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 10px;
    }
    
    body.dark-mode .media-thumbnail {
        background: #2d3748;
    }
    
    .media-thumbnail img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .media-icon {
        font-size: 64px;
    }
    
    .media-info {
        font-size: 12px;
        color: #6c757d;
    }
    
    body.dark-mode .media-info {
        color: #a0aec0;
    }
    
    .media-filename {
        font-weight: 500;
        margin-bottom: 5px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    body.dark-mode .media-filename {
        color: #e2e8f0;
    }
    
    .delete-btn {
        position: absolute;
        top: 5px;
        right: 5px;
        background: #dc3545;
        color: white;
        border: none;
        border-radius: 50%;
        width: 28px;
        height: 28px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .media-card:hover .delete-btn {
        opacity: 1;
    }
    
    .delete-btn:hover {
        background: #a02834;
    }
    
    .playlist-badge {
        display: inline-block;
        padding: 3px 8px;
        border-radius: 10px;
        font-size: 10px;
        font-weight: 600;
        margin-top: 5px;
    }
    
    .playlist-badge.in-use {
        background: #ffc107;
        color: #000;
    }
    
    .playlist-badge.unused {
        background: #28a745;
        color: white;
    }
    
    body.dark-mode .playlist-badge.in-use {
        background: #856404;
        color: #ffc107;
    }
    
    body.dark-mode .upload-section {
        background: #2d3748 !important;
        border: 1px solid #4a5568;
    }
    
    body.dark-mode .playlist-badge.unused {
        background: #1a4d2e;
        color: #86efac;
    }
    
    .type-badge {
        display: inline-block;
        padding: 2px 8px;
        border-radius: 12px;
        font-size: 10px;
        font-weight: 600;
        text-transform: uppercase;
    }
    
    .type-badge.image { background: #d4edda; color: #155724; }
    .type-badge.video { background: #cce5ff; color: #004085; }
    .type-badge.pdf { background: #fff3cd; color: #856404; }
    .type-badge.pptx { background: #f8d7da; color: #721c24; }
    
    body.dark-mode .type-badge.image { background: #1a4d2e; color: #86efac; }
    body.dark-mode .type-badge.video { background: #1e3a5f; color: #93c5fd; }
    body.dark-mode .type-badge.pdf { background: #4a3800; color: #fbbf24; }
    body.dark-mode .type-badge.pptx { background: #4a1a1a; color: #fca5a5; }
    
    .stats-box {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
        margin-bottom: 30px;
    }
    
    .stat-item {
        background: white;
        border: 1px solid #dee2e6;
        border-radius: 8px;
        padding: 15px;
        text-align: center;
    }
    
    body.dark-mode .stat-item {
        background: #1a202c;
        border-color: #4a5568;
    }
    
    .stat-value {
        font-size: 32px;
        font-weight: bold;
        color: #7c3aed;
    }
    
    body.dark-mode .stat-value {
        color: #a78bfa;
    }
    
    .stat-label {
        font-size: 14px;
        color: #6c757d;
        margin-top: 5px;
    }
    
    body.dark-mode .stat-label {
        color: #a0aec0;
    }
    
    .section-header {
        display: flex;
        align-items: center;
        gap: 10px;
        margin: 30px 0 15px 0;
        padding-bottom: 10px;
        border-bottom: 2px solid #7c3aed;
    }
    
    body.dark-mode .section-header {
        border-bottom-color: #a78bfa;
    }
    
    .section-header h2 {
        margin: 0;
        font-size: 24px;
    }
    
    body.dark-mode .section-header h2 {
        color: #e2e8f0;
    }
</style>

<div style="margin-bottom: 2rem;">
    <h1 style="display: inline-block; margin-right: 1rem; display: flex; align-items: center; gap: 0.5rem;">
        <img src="{{ url_for('static', filename='icons/playlist.svg') }}" alt="" style="width: 32px; height: 32px;">
        📚 Media Library
    </h1>
    <a href="{{ url_for('content.content_list') }}" class="btn" style="float: right; display: inline-flex; align-items: center; gap: 0.5rem;">
        <img src="{{ url_for('static', filename='icons/playlist.svg') }}" alt="" style="width: 18px; height: 18px; filter: brightness(0) invert(1);">
        Back to Playlists
    </a>
</div>

<!-- Statistics -->
<div class="stats-box">
    <div class="stat-item">
        <div class="stat-value">{{ media_files|length }}</div>
        <div class="stat-label">Total Files</div>
    </div>
    <div class="stat-item">
        <div class="stat-value">{{ images|length }}</div>
        <div class="stat-label">Images</div>
    </div>
    <div class="stat-item">
        <div class="stat-value">{{ videos|length }}</div>
        <div class="stat-label">Videos</div>
    </div>
    <div class="stat-item">
        <div class="stat-value">{{ pdfs|length }}</div>
        <div class="stat-label">PDFs</div>
    </div>
    <div class="stat-item">
        <div class="stat-value">{{ presentations|length }}</div>
        <div class="stat-label">Presentations</div>
    </div>
</div>

<!-- Upload Button -->
<div class="upload-section" style="text-align: center; padding: 20px; background: #f8f9fa; border-radius: 8px; margin-bottom: 30px;">
    <a href="{{ url_for('content.upload_media_page') }}" class="btn btn-success" style="display: inline-flex; align-items: center; gap: 0.5rem;">
        <img src="{{ url_for('static', filename='icons/upload.svg') }}" alt="" style="width: 18px; height: 18px; filter: brightness(0) invert(1);">
        Upload New Media
    </a>
</div>

<!-- Images Section -->
{% if images %}
<div class="section-header">
    <span style="font-size: 32px;">📷</span>
    <h2>Images ({{ images|length }})</h2>
</div>
<div class="media-grid">
    {% for media in images %}
    <div class="media-card">
        <button class="delete-btn" onclick="confirmDelete({{ media.id }}, '{{ media.filename }}', {{ media.playlists.count() }}, {{ media.edit_count }})" title="Delete">🗑️</button>
        <div class="media-thumbnail">
            <img src="{{ url_for('static', filename='uploads/' + media.filename) }}" 
                 alt="{{ media.filename }}"
                 onerror="this.style.display='none'; this.parentElement.innerHTML='<span class=\'media-icon\'>📷</span>'">
        </div>
        <div class="media-filename" title="{{ media.filename }}">{{ media.filename }}</div>
        <div class="media-info">
            <span class="type-badge image">Image</span>
            <div style="margin-top: 5px;">{{ "%.1f"|format(media.file_size_mb) }} MB</div>
            <div style="font-size: 10px; margin-top: 3px;">{{ media.uploaded_at | localtime('%Y-%m-%d') }}</div>
            {% if media.playlists.count() > 0 %}
                <div class="playlist-badge in-use">📋 In {{ media.playlists.count() }} playlist(s)</div>
            {% else %}
                <div class="playlist-badge unused">✓ Not in use</div>
            {% endif %}
        </div>
    </div>
    {% endfor %}
</div>
{% endif %}

<!-- Videos Section -->
{% if videos %}
<div class="section-header">
    <span style="font-size: 32px;">🎥</span>
    <h2>Videos ({{ videos|length }})</h2>
</div>
<div class="media-grid">
    {% for media in videos %}
    <div class="media-card">
        <button class="delete-btn" onclick="confirmDelete({{ media.id }}, '{{ media.filename }}', {{ media.playlists.count() }}, {{ media.edit_count }})" title="Delete">🗑️</button>
        <div class="media-thumbnail">
            <span class="media-icon">🎥</span>
        </div>
        <div class="media-filename" title="{{ media.filename }}">{{ media.filename }}</div>
        <div class="media-info">
            <span class="type-badge video">Video</span>
            <div style="margin-top: 5px;">{{ "%.1f"|format(media.file_size_mb) }} MB</div>
            <div style="font-size: 10px; margin-top: 3px;">{{ media.uploaded_at | localtime('%Y-%m-%d') }}</div>
            {% if media.playlists.count() > 0 %}
                <div class="playlist-badge in-use">📋 In {{ media.playlists.count() }} playlist(s)</div>
            {% else %}
                <div class="playlist-badge unused">✓ Not in use</div>
            {% endif %}
        </div>
    </div>
    {% endfor %}
</div>
{% endif %}

<!-- PDFs Section -->
{% if pdfs %}
<div class="section-header">
    <span style="font-size: 32px;">📄</span>
    <h2>PDFs ({{ pdfs|length }})</h2>
</div>
<div class="media-grid">
    {% for media in pdfs %}
    <div class="media-card">
        <button class="delete-btn" onclick="confirmDelete({{ media.id }}, '{{ media.filename }}', {{ media.playlists.count() }}, {{ media.edit_count }})" title="Delete">🗑️</button>
        <div class="media-thumbnail">
            <span class="media-icon">📄</span>
        </div>
        <div class="media-filename" title="{{ media.filename }}">{{ media.filename }}</div>
        <div class="media-info">
            <span class="type-badge pdf">PDF</span>
            <div style="margin-top: 5px;">{{ "%.1f"|format(media.file_size_mb) }} MB</div>
            <div style="font-size: 10px; margin-top: 3px;">{{ media.uploaded_at | localtime('%Y-%m-%d') }}</div>
            {% if media.playlists.count() > 0 %}
                <div class="playlist-badge in-use">📋 In {{ media.playlists.count() }} playlist(s)</div>
            {% else %}
                <div class="playlist-badge unused">✓ Not in use</div>
            {% endif %}
        </div>
    </div>
    {% endfor %}
</div>
{% endif %}

<!-- Presentations Section -->
{% if presentations %}
<div class="section-header">
    <span style="font-size: 32px;">📊</span>
    <h2>Presentations ({{ presentations|length }})</h2>
</div>
<div class="media-grid">
    {% for media in presentations %}
    <div class="media-card">
        <button class="delete-btn" onclick="confirmDelete({{ media.id }}, '{{ media.filename }}', {{ media.playlists.count() }}, {{ media.edit_count }})" title="Delete">🗑️</button>
        <div class="media-thumbnail">
            <span class="media-icon">📊</span>
        </div>
        <div class="media-filename" title="{{ media.filename }}">{{ media.filename }}</div>
        <div class="media-info">
            <span class="type-badge pptx">PPTX</span>
            <div style="margin-top: 5px;">{{ "%.1f"|format(media.file_size_mb) }} MB</div>
            <div style="font-size: 10px; margin-top: 3px;">{{ media.uploaded_at | localtime('%Y-%m-%d') }}</div>
            {% if media.playlists.count() > 0 %}
                <div class="playlist-badge in-use">📋 In {{ media.playlists.count() }} playlist(s)</div>
            {% else %}
                <div class="playlist-badge unused">✓ Not in use</div>
            {% endif %}
        </div>
    </div>
    {% endfor %}
</div>
{% endif %}

<!-- Others Section -->
{% if others %}
<div class="section-header">
    <span style="font-size: 32px;">📁</span>
    <h2>Other Files ({{ others|length }})</h2>
</div>
<div class="media-grid">
    {% for media in others %}
    <div class="media-card">
        <button class="delete-btn" onclick="confirmDelete({{ media.id }}, '{{ media.filename }}', {{ media.playlists.count() }}, {{ media.edit_count }})" title="Delete">🗑️</button>
        <div class="media-thumbnail">
            <span class="media-icon">📁</span>
        </div>
        <div class="media-filename" title="{{ media.filename }}">{{ media.filename }}</div>
        <div class="media-info">
            <span class="type-badge">{{ media.content_type }}</span>
            <div style="margin-top: 5px;">{{ "%.1f"|format(media.file_size_mb) }} MB</div>
            <div style="font-size: 10px; margin-top: 3px;">{{ media.uploaded_at | localtime('%Y-%m-%d') }}</div>
            {% if media.playlists.count() > 0 %}
                <div class="playlist-badge in-use">📋 In {{ media.playlists.count() }} playlist(s)</div>
            {% else %}
                <div class="playlist-badge unused">✓ Not in use</div>
            {% endif %}
        </div>
    </div>
    {% endfor %}
</div>
{% endif %}

{% if not media_files %}
<div style="text-align: center; padding: 80px 20px;">
    <div style="font-size: 96px; margin-bottom: 20px;">📭</div>
    <h2 style="color: #6c757d;">No Media Files Yet</h2>
    <p style="color: #999; margin-bottom: 30px;">Start by uploading your first media file!</p>
    <a href="{{ url_for('content.upload_media_page') }}" class="btn btn-success" style="display: inline-flex; align-items: center; gap: 0.5rem;">
        <img src="{{ url_for('static', filename='icons/upload.svg') }}" alt="" style="width: 18px; height: 18px; filter: brightness(0) invert(1);">
        Upload Media
    </a>
</div>
{% endif %}

<!-- Delete Confirmation Modal -->
<div id="deleteModal" class="delete-modal">
    <div class="delete-modal-content">
        <div class="delete-modal-header">
            <span class="delete-icon">⚠️</span>
            <h2>Confirm Delete</h2>
        </div>
        
        <div class="delete-modal-body">
            <p class="delete-question">
                Are you sure you want to delete <strong id="deleteFilename" class="delete-filename"></strong>?
            </p>
            
            <div id="playlistWarning" class="warning-box warning-playlist">
                <div class="warning-header">
                    <span>⚠️</span>
                    <strong>Playlist Warning</strong>
                </div>
                <p>This file is used in <strong id="playlistCount"></strong> playlist(s). Deleting it will remove it from all playlists and increment their version numbers.</p>
            </div>
            
            <div id="editWarning" class="warning-box warning-edit">
                <div class="warning-header">
                    <span>✏️</span>
                    <strong>Edited Versions</strong>
                </div>
                <p>This file has <strong id="editCount"></strong> edited version(s) from player devices. All edited versions and their metadata will also be permanently deleted.</p>
            </div>
            
            <div class="delete-final-warning">
                <strong>⚠️ This action cannot be undone!</strong>
            </div>
        </div>
        
        <div class="delete-modal-footer">
            <button onclick="closeDeleteModal()" class="btn btn-cancel">
                Cancel
            </button>
            <form id="deleteForm" method="POST">
                <button type="submit" class="btn btn-delete">
                    Yes, Delete File
                </button>
            </form>
        </div>
    </div>
</div>

<style>
    /* Delete Modal - Light Mode Styles */
    .delete-modal {
        display: none;
        position: fixed;
        z-index: 1000;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        overflow: auto;
        background-color: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(2px);
        animation: fadeIn 0.2s ease-out;
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    .delete-modal-content {
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        margin: 8% auto;
        padding: 0;
        border-radius: 16px;
        width: 90%;
        max-width: 550px;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        animation: slideDown 0.3s ease-out;
        border: 1px solid rgba(0, 0, 0, 0.1);
    }

    @keyframes slideDown {
        from {
            transform: translateY(-50px);
            opacity: 0;
        }
        to {
            transform: translateY(0);
            opacity: 1;
        }
    }

    .delete-modal-header {
        background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
        color: white;
        padding: 24px 30px;
        border-radius: 16px 16px 0 0;
        display: flex;
        align-items: center;
        gap: 12px;
        box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
    }

    .delete-icon {
        font-size: 2rem;
        filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    }

    .delete-modal-header h2 {
        margin: 0;
        font-size: 1.5rem;
        font-weight: 600;
    }

    .delete-modal-body {
        padding: 30px;
    }

    .delete-question {
        font-size: 1.1rem;
        margin: 0 0 20px 0;
        color: #2d3748;
        line-height: 1.6;
    }

    .delete-filename {
        color: #dc3545;
        word-break: break-word;
    }

    .warning-box {
        display: none;
        padding: 16px;
        margin: 16px 0;
        border-radius: 10px;
        border-left: 4px solid;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        transition: transform 0.2s ease;
    }

    .warning-box:hover {
        transform: translateX(4px);
    }

    .warning-header {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 8px;
    }

    .warning-header span {
        font-size: 1.2rem;
    }

    .warning-header strong {
        font-size: 1rem;
        font-weight: 600;
    }

    .warning-box p {
        margin: 0;
        line-height: 1.5;
        font-size: 0.95rem;
    }

    .warning-playlist {
        background: linear-gradient(135deg, #fff8e1 0%, #fff3cd 100%);
        border-color: #ffc107;
    }

    .warning-playlist .warning-header,
    .warning-playlist p {
        color: #856404;
    }

    .warning-edit {
        background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 100%);
        border-color: #7c3aed;
    }

    .warning-edit .warning-header,
    .warning-edit p {
        color: #5b21b6;
    }

    .delete-final-warning {
        background: linear-gradient(135deg, #fee 0%, #fdd 100%);
        border: 2px solid #dc3545;
        border-radius: 8px;
        padding: 12px 16px;
        margin: 20px 0 0 0;
        text-align: center;
    }

    .delete-final-warning strong {
        color: #dc3545;
        font-size: 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    .delete-modal-footer {
        padding: 20px 30px;
        display: flex;
        gap: 12px;
        justify-content: flex-end;
        background: rgba(0, 0, 0, 0.02);
        border-radius: 0 0 16px 16px;
        border-top: 1px solid rgba(0, 0, 0, 0.1);
    }

    .delete-modal-footer form {
        margin: 0;
    }

    .btn-cancel {
        background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
        color: white;
        padding: 12px 24px;
        border: none;
        border-radius: 8px;
        cursor: pointer;
        font-weight: 500;
        transition: all 0.3s ease;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    }

    .btn-cancel:hover {
        background: linear-gradient(135deg, #5a6268 0%, #4e555b 100%);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
        transform: translateY(-2px);
    }

    .btn-delete {
        background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
        color: white;
        padding: 12px 28px;
        border: none;
        border-radius: 8px;
        cursor: pointer;
        font-weight: 600;
        transition: all 0.3s ease;
        box-shadow: 0 2px 6px rgba(220, 53, 69, 0.3);
    }

    .btn-delete:hover {
        background: linear-gradient(135deg, #c82333 0%, #bd2130 100%);
        box-shadow: 0 4px 12px rgba(220, 53, 69, 0.5);
        transform: translateY(-2px);
    }

    /* Delete Modal - Dark Mode Styles */
    body.dark-mode .delete-modal {
        background-color: rgba(0, 0, 0, 0.8);
    }

    body.dark-mode .delete-modal-content {
        background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
        border: 1px solid #4a5568;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    }

    body.dark-mode .delete-modal-header {
        background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
        box-shadow: 0 4px 12px rgba(185, 28, 28, 0.4);
    }

    body.dark-mode .delete-question {
        color: #e2e8f0;
    }

    body.dark-mode .delete-filename {
        color: #f87171;
    }

    body.dark-mode .warning-playlist {
        background: linear-gradient(135deg, #422006 0%, #713f12 100%);
        border-color: #fbbf24;
    }

    body.dark-mode .warning-playlist .warning-header,
    body.dark-mode .warning-playlist p {
        color: #fde68a;
    }

    body.dark-mode .warning-edit {
        background: linear-gradient(135deg, #3b0764 0%, #581c87 100%);
        border-color: #a78bfa;
    }

    body.dark-mode .warning-edit .warning-header,
    body.dark-mode .warning-edit p {
        color: #ddd6fe;
    }

    body.dark-mode .delete-final-warning {
        background: linear-gradient(135deg, #450a0a 0%, #7f1d1d 100%);
        border-color: #f87171;
    }

    body.dark-mode .delete-final-warning strong {
        color: #fca5a5;
    }

    body.dark-mode .delete-modal-footer {
        background: rgba(0, 0, 0, 0.3);
        border-top: 1px solid #4a5568;
    }

    body.dark-mode .btn-cancel {
        background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
    }

    body.dark-mode .btn-cancel:hover {
        background: linear-gradient(135deg, #4b5563 0%, #374151 100%);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    }

    body.dark-mode .btn-delete {
        background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
        box-shadow: 0 2px 6px rgba(185, 28, 28, 0.4);
    }

    body.dark-mode .btn-delete:hover {
        background: linear-gradient(135deg, #991b1b 0%, #7f1d1d 100%);
        box-shadow: 0 4px 12px rgba(185, 28, 28, 0.6);
    }
</style>

<script>
let deleteMediaId = null;

function confirmDelete(mediaId, filename, playlistCount, editCount) {
    deleteMediaId = mediaId;
    document.getElementById('deleteFilename').textContent = filename;
    document.getElementById('deleteForm').action = "{{ url_for('content.delete_media', media_id=0) }}".replace('/0', '/' + mediaId);
    
    // Show playlist warning if file is in use
    if (playlistCount > 0) {
        document.getElementById('playlistWarning').style.display = 'block';
        document.getElementById('playlistCount').textContent = playlistCount;
    } else {
        document.getElementById('playlistWarning').style.display = 'none';
    }
    
    // Show edit versions warning if file has been edited
    if (editCount > 0) {
        document.getElementById('editWarning').style.display = 'block';
        document.getElementById('editCount').textContent = editCount;
    } else {
        document.getElementById('editWarning').style.display = 'none';
    }
    
    document.getElementById('deleteModal').style.display = 'block';
}

function closeDeleteModal() {
    document.getElementById('deleteModal').style.display = 'none';
    deleteMediaId = null;
}

// Close modal when clicking outside
window.onclick = function(event) {
    const modal = document.getElementById('deleteModal');
    if (event.target == modal) {
        closeDeleteModal();
    }
}

// Close modal with ESC key
document.addEventListener('keydown', function(event) {
    if (event.key === 'Escape') {
        closeDeleteModal();
    }
});
</script>

{% endblock %}