{% extends "base.html" %}

{% block title %}Review Photos - NextSnap{% endblock %}

{% block content %}
<div id="photo-viewer" class="photo-viewer">
    <!-- Top Controls -->
    <div class="viewer-header">
        <button class="viewer-btn" id="done-btn">Done</button>
        <div class="photo-position" id="photo-position">1 / 1</div>
        <div></div>
    </div>
    
    <!-- Main Photo Display -->
    <div class="photo-container">
        <div class="photo-spinner" id="photo-spinner">
            <div class="spinner"></div>
        </div>
        <img id="current-photo" class="current-photo" alt="Photo">
    </div>
    
    <!-- Navigation Buttons -->
    <button class="nav-arrow nav-arrow-left" id="prev-btn" aria-label="Previous">&larr;</button>
    <button class="nav-arrow nav-arrow-right" id="next-btn" aria-label="Next">&rarr;</button>
    
    <!-- Filename Editor -->
    <div class="filename-editor">
        <div class="filename-input-wrapper">
            <input 
                type="text" 
                id="filename-input" 
                class="filename-input" 
                placeholder="Enter filename"
            >
            <span class="filename-extension">.jpg</span>
            <div class="save-spinner" id="save-spinner" style="display: none;">
                <div class="spinner-small"></div>
            </div>
        </div>
    </div>
    
    <!-- Toast Notifications -->
    <div id="toast" class="toast" style="display: none;"></div>
</div>
{% endblock %}

{% block extra_css %}
<style>
body {
    overflow: hidden;
}

.photo-viewer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #000;
    z-index: 9999;
    display: flex;
    flex-direction: column;
}

.viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10;
}

.viewer-btn {
    background: transparent;
    color: white;
    border: 1px solid white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
}

.viewer-btn:active {
    opacity: 0.7;
}

.photo-position {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
}

.photo-container {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    touch-action: pan-y pinch-zoom;
}

.current-photo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    user-select: none;
}

.photo-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: none;
    font-size: 2rem;
    padding: 1rem;
    cursor: pointer;
    z-index: 5;
    transition: background 0.2s;
}

.nav-arrow:hover:not(:disabled) {
    background: rgba(0, 0, 0, 0.8);
}

.nav-arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.nav-arrow-left {
    left: 0;
}

.nav-arrow-right {
    right: 0;
}

.filename-editor {
    background: rgba(0, 0, 0, 0.9);
    padding: 1rem;
    z-index: 10;
}

.filename-input-wrapper {
    max-width: 480px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.filename-input {
    flex: 1;
    background: transparent;
    border: none;
    color: white;
    font-size: 1rem;
    outline: none;
    min-width: 0;
}

.filename-extension {
    color: var(--text-secondary);
    font-size: 1rem;
    flex-shrink: 0;
}

.save-spinner {
    flex-shrink: 0;
}

.spinner-small {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.toast {
    position: fixed;
    bottom: 8rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    z-index: 10000;
    max-width: 90%;
    text-align: center;
}

.toast.success {
    background: var(--success);
    color: white;
}

.toast.error {
    background: var(--error);
    color: white;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: white;
}

.empty-state p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

/* Mobile optimizations */
@media (max-width: 480px) {
    .viewer-header {
        padding: 0.75rem;
    }
    
    .nav-arrow {
        font-size: 1.5rem;
        padding: 0.75rem;
        width: 60px;
        height: 60px;
    }
    
    .filename-input {
        font-size: 0.95rem;
    }
}
</style>
{% endblock %}

{% block extra_js %}
<script src="{{ url_for('static', filename='lib/dexie.min.js') }}"></script>
<script src="{{ url_for('static', filename='js/storage.js') }}"></script>
<script src="{{ url_for('static', filename='js/reviewer.js') }}"></script>
<script src="{{ url_for('static', filename='js/auth.js') }}"></script>

<script>
// Get parameters from URL
const urlParams = new URLSearchParams(window.location.search);
const mode = urlParams.get('mode') || 'local';
const path = urlParams.get('path') || null;
const currentUsername = '{{ username }}';

async function initReviewer() {
    await Storage.init();
    
    let photos = [];
    
    if (mode === 'local') {
        // Load pending photos from IndexedDB
        photos = await Storage.db.photos
            .where('username').equals(currentUsername)
            .and(p => p.status === 'pending' || p.status === 'uploading')
            .sortBy('timestamp');
    } else {
        // Load photos from Nextcloud folder
        // This would be called from the file browser with a list of photos
        const photoList = sessionStorage.getItem('reviewer_photos');
        if (photoList) {
            photos = JSON.parse(photoList);
            sessionStorage.removeItem('reviewer_photos');
        }
    }
    
    Reviewer.init(mode, currentUsername, photos, path);
}

initReviewer();
</script>
{% endblock %}