Files
picpeak/frontend/src/components/gallery/PhotoLightbox.tsx
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571 lines
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TypeScript

import React, { useState, useEffect } from 'react';
import { useDevToolsProtection } from '../../hooks/useDevToolsProtection';
import { X, ChevronLeft, ChevronRight, Download, ZoomIn, ZoomOut, MessageSquare, Heart, Star } from 'lucide-react';
import type { Photo } from '../../types';
import { useDownloadPhoto } from '../../hooks/useGallery';
import { AuthenticatedImage } from '../common';
import { PhotoFeedback } from './PhotoFeedback';
import { feedbackService } from '../../services/feedback.service';
import { FeedbackIdentityModal } from './FeedbackIdentityModal';
interface PhotoLightboxProps {
photos: Photo[];
initialIndex: number;
onClose: () => void;
slug: string;
feedbackEnabled?: boolean;
allowDownloads?: boolean;
protectionLevel?: 'basic' | 'standard' | 'enhanced' | 'maximum';
useEnhancedProtection?: boolean;
initialShowFeedback?: boolean;
}
export const PhotoLightbox: React.FC<PhotoLightboxProps> = ({
photos,
initialIndex,
onClose,
slug,
feedbackEnabled = false,
allowDownloads = true,
protectionLevel = 'standard',
useEnhancedProtection = false,
initialShowFeedback = false,
}) => {
const [currentIndex, setCurrentIndex] = useState(initialIndex);
const [zoom, setZoom] = useState(1);
const [isDragging, setIsDragging] = useState(false);
const [dragStart, setDragStart] = useState({ x: 0, y: 0 });
const [dragOffset, setDragOffset] = useState({ x: 0, y: 0 });
const [touchDistance, setTouchDistance] = useState<number | null>(null);
const [showFeedback, setShowFeedback] = useState(initialShowFeedback);
const [isSmallScreen, setIsSmallScreen] = useState<boolean>(typeof window !== 'undefined' ? window.innerWidth < 640 : false);
const [feedbackSettings, setFeedbackSettings] = useState<{
feedback_enabled?: boolean;
allow_likes?: boolean;
allow_ratings?: boolean;
require_name_email?: boolean;
} | null>(null);
const [myLiked, setMyLiked] = useState<boolean>(false);
const [myRating, setMyRating] = useState<number>(0);
const [likeCount, setLikeCount] = useState<number>(0);
const [avgRating, setAvgRating] = useState<number>(0);
const [totalRatings, setTotalRatings] = useState<number>(0);
const [savedIdentity, setSavedIdentity] = useState<{ name: string; email: string } | null>(null);
const [showIdentityModal, setShowIdentityModal] = useState(false);
const [pendingAction, setPendingAction] = useState<null | { type: 'like' | 'rating'; rating?: number }>(null);
useEffect(() => {
const onResize = () => setIsSmallScreen(window.innerWidth < 640);
window.addEventListener('resize', onResize);
return () => window.removeEventListener('resize', onResize);
}, []);
const downloadPhotoMutation = useDownloadPhoto();
const currentPhoto = photos[currentIndex];
// DevTools protection for the lightbox when enhanced protection is enabled
useDevToolsProtection({
enabled: useEnhancedProtection && (protectionLevel === 'enhanced' || protectionLevel === 'maximum'),
detectionSensitivity: protectionLevel === 'maximum' ? 'high' : 'medium',
onDevToolsDetected: () => {
console.warn('DevTools detected in photo lightbox');
// Track analytics
if (typeof window !== 'undefined' && (window as any).umami) {
(window as any).umami.track('lightbox_devtools_detected', {
photoId: currentPhoto.id,
protectionLevel,
zoom,
gallery: slug
});
}
// Close lightbox immediately for maximum protection
if (protectionLevel === 'maximum') {
onClose();
}
},
redirectOnDetection: false, // Don't redirect, just close lightbox
});
useEffect(() => {
const handleKeyDown = (e: KeyboardEvent) => {
switch (e.key) {
case 'Escape':
onClose();
break;
case 'ArrowLeft':
goToPrevious();
break;
case 'ArrowRight':
goToNext();
break;
case '+':
case '=':
handleZoomIn();
break;
case '-':
case '_':
handleZoomOut();
break;
case 'd':
case 'D':
if (allowDownloads) {
handleDownload();
}
break;
}
};
document.addEventListener('keydown', handleKeyDown);
document.body.style.overflow = 'hidden';
// Add protection class to body for maximum security
if (protectionLevel === 'maximum') {
document.body.classList.add('protection-maximum');
} else if (protectionLevel === 'enhanced') {
document.body.classList.add('protection-enhanced');
}
return () => {
document.removeEventListener('keydown', handleKeyDown);
document.body.style.overflow = '';
// Remove protection classes from body
document.body.classList.remove('protection-maximum', 'protection-enhanced');
};
}, [currentIndex]);
// Load feedback settings once
useEffect(() => {
let mounted = true;
(async () => {
try {
const settings = await feedbackService.getGalleryFeedbackSettings(slug);
if (mounted) setFeedbackSettings(settings as any);
} catch {
// ignore
}
})();
return () => { mounted = false; };
}, [slug]);
// Load my feedback for the current photo
useEffect(() => {
let mounted = true;
(async () => {
try {
if (!feedbackSettings?.feedback_enabled) return;
const data = await feedbackService.getPhotoFeedback(slug, String(currentPhoto.id));
if (!mounted) return;
setMyLiked(!!data.my_feedback.liked);
setMyRating(data.my_feedback.rating || 0);
setLikeCount(Number(data.summary?.like_count) || 0);
setAvgRating(Number(data.summary?.average_rating) || 0);
setTotalRatings(Number(data.summary?.total_ratings) || 0);
} catch {
// ignore
}
})();
return () => { mounted = false; };
}, [slug, currentPhoto.id, feedbackSettings?.feedback_enabled]);
const submitLike = async () => {
const needIdentity = feedbackSettings?.require_name_email && !savedIdentity;
if (needIdentity) {
setPendingAction({ type: 'like' });
setShowIdentityModal(true);
return;
}
await feedbackService.submitFeedback(slug, String(currentPhoto.id), {
feedback_type: 'like',
guest_name: savedIdentity?.name,
guest_email: savedIdentity?.email,
});
setMyLiked(prev => {
const next = !prev;
setLikeCount(c => Math.max(0, c + (next ? 1 : -1)));
return next;
});
};
const submitRating = async (value: number) => {
const needIdentity = feedbackSettings?.require_name_email && !savedIdentity;
if (needIdentity) {
setPendingAction({ type: 'rating', rating: value });
setShowIdentityModal(true);
return;
}
await feedbackService.submitFeedback(slug, String(currentPhoto.id), {
feedback_type: 'rating',
rating: value,
guest_name: savedIdentity?.name,
guest_email: savedIdentity?.email,
});
setMyRating(value);
// Refresh current summary to reflect average and totals
try {
const fresh = await feedbackService.getPhotoFeedback(slug, String(currentPhoto.id));
setAvgRating(Number(fresh.summary?.average_rating) || 0);
setTotalRatings(Number(fresh.summary?.total_ratings) || 0);
} catch {}
};
const goToPrevious = () => {
setCurrentIndex((prev) => (prev > 0 ? prev - 1 : photos.length - 1));
resetZoom();
};
const goToNext = () => {
setCurrentIndex((prev) => (prev < photos.length - 1 ? prev + 1 : 0));
resetZoom();
};
const resetZoom = () => {
setZoom(1);
setDragOffset({ x: 0, y: 0 });
};
const handleZoomIn = () => {
setZoom((prev) => Math.min(prev + 0.5, 3));
};
const handleZoomOut = () => {
setZoom((prev) => Math.max(prev - 0.5, 1));
if (zoom - 0.5 <= 1) {
setDragOffset({ x: 0, y: 0 });
}
};
const handleDownload = () => {
if (!allowDownloads) return;
downloadPhotoMutation.mutate({
slug,
photoId: currentPhoto.id,
filename: currentPhoto.filename,
});
};
const handleMouseDown = (e: React.MouseEvent) => {
if (zoom > 1) {
setIsDragging(true);
setDragStart({ x: e.clientX - dragOffset.x, y: e.clientY - dragOffset.y });
}
};
const handleMouseMove = (e: React.MouseEvent) => {
if (isDragging && zoom > 1) {
setDragOffset({
x: e.clientX - dragStart.x,
y: e.clientY - dragStart.y,
});
}
};
const handleMouseUp = () => {
setIsDragging(false);
};
const handleImageClick = (e: React.MouseEvent) => {
// Only close if clicking the background, not the image
if (e.target === e.currentTarget) {
onClose();
}
};
// Touch event handlers for pinch-to-zoom
const handleTouchStart = (e: React.TouchEvent) => {
if (e.touches.length === 2) {
const touch1 = e.touches[0];
const touch2 = e.touches[1];
const distance = Math.hypot(
touch2.clientX - touch1.clientX,
touch2.clientY - touch1.clientY
);
setTouchDistance(distance);
}
};
const handleTouchMove = (e: React.TouchEvent) => {
if (e.touches.length === 2 && touchDistance !== null) {
const touch1 = e.touches[0];
const touch2 = e.touches[1];
const newDistance = Math.hypot(
touch2.clientX - touch1.clientX,
touch2.clientY - touch1.clientY
);
const scale = newDistance / touchDistance;
const newZoom = Math.max(1, Math.min(3, zoom * scale));
setZoom(newZoom);
setTouchDistance(newDistance);
}
};
const handleTouchEnd = () => {
setTouchDistance(null);
};
// Apply protection class to the lightbox container
const lightboxClass = useEnhancedProtection ?
`fixed inset-0 bg-black z-50 flex items-center justify-center protected-image protection-${protectionLevel}` :
'fixed inset-0 bg-black z-50 flex items-center justify-center';
const desktopFeedbackWidth = 416; // 26rem; keep in sync with panel width
const isDesktopFeedback = showFeedback && !isSmallScreen;
return (
<div className={lightboxClass}>
{/* Close button */}
<button
onClick={onClose}
className="absolute top-4 p-2 bg-white/10 hover:bg-white/20 rounded-full transition-colors z-30"
aria-label="Close"
style={{ right: isDesktopFeedback ? `${desktopFeedbackWidth + 16}px` : '1rem' }}
>
<X className="w-6 h-6 text-white" />
</button>
{/* Navigation buttons */}
<button
onClick={goToPrevious}
className="absolute left-4 top-1/2 -translate-y-1/2 p-2 bg-white/10 hover:bg-white/20 rounded-full transition-colors z-20"
aria-label="Previous photo"
>
<ChevronLeft className="w-6 h-6 text-white" />
</button>
{!showFeedback || !isSmallScreen ? (
<button
onClick={goToNext}
className="absolute top-1/2 -translate-y-1/2 p-2 bg-white/10 hover:bg-white/20 rounded-full transition-colors z-30"
aria-label="Next photo"
style={{ right: isDesktopFeedback ? `${desktopFeedbackWidth + 16}px` : '1rem' }}
>
<ChevronRight className="w-6 h-6 text-white" />
</button>
) : null}
{/* Bottom toolbar */}
<div
className="absolute bottom-0 left-0 bg-gradient-to-t from-black/80 to-transparent p-4 z-20"
style={{ right: isDesktopFeedback ? `${desktopFeedbackWidth}px` : 0 }}
>
<div className="max-w-4xl mx-auto flex items-center justify-between">
<div className="text-white">
<p className="text-sm opacity-75">
{currentIndex + 1} / {photos.length}
</p>
</div>
<div className="flex items-center gap-2">
<button
onClick={handleZoomOut}
disabled={zoom <= 1}
className="p-2 bg-white/10 hover:bg-white/20 rounded-full transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
aria-label="Zoom out"
>
<ZoomOut className="w-5 h-5 text-white" />
</button>
<span className="text-white text-sm w-12 text-center">
{Math.round(zoom * 100)}%
</span>
<button
onClick={handleZoomIn}
disabled={zoom >= 3}
className="p-2 bg-white/10 hover:bg-white/20 rounded-full transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
aria-label="Zoom in"
>
<ZoomIn className="w-5 h-5 text-white" />
</button>
<div className="w-px h-6 bg-white/20 mx-2" />
{allowDownloads && (
<button
onClick={handleDownload}
className="p-2 bg-white/10 hover:bg-white/20 rounded-full transition-colors"
aria-label="Download photo"
>
<Download className="w-5 h-5 text-white" />
</button>
)}
{/* Inline Like */}
{feedbackEnabled && feedbackSettings?.allow_likes && (
<div className="flex items-center gap-1">
<button
onClick={submitLike}
className={`p-2 rounded-full transition-colors ${myLiked ? 'bg-red-500/80 hover:bg-red-500' : 'bg-white/10 hover:bg-white/20'}`}
aria-label={myLiked ? 'Unlike photo' : 'Like photo'}
title={myLiked ? 'Unlike' : 'Like'}
>
<Heart className={`w-5 h-5 ${myLiked ? 'text-white' : 'text-white'}`} />
</button>
<span className="text-white text-xs min-w-[1.5rem] text-center select-none">{likeCount}</span>
</div>
)}
{/* Inline Rating */}
{feedbackEnabled && feedbackSettings?.allow_ratings && (
<div className="flex items-center gap-1 ml-1" aria-label="Rate photo">
{[1,2,3,4,5].map((i) => (
<button
key={i}
onClick={() => submitRating(i)}
className="p-1"
aria-label={`Rate ${i} star${i>1?'s':''}`}
title={`Rate ${i}`}
>
<Star className={`w-5 h-5 ${myRating >= i ? 'text-yellow-400 fill-yellow-400' : 'text-white/70'}`} />
</button>
))}
<span className="text-white/90 text-xs ml-2 select-none">{avgRating.toFixed(1)} ({totalRatings})</span>
</div>
)}
{/* Feedback button with indicator */}
{feedbackEnabled && (
<button
onClick={() => {
setShowFeedback(!showFeedback);
}}
className="relative p-2 bg-white/10 hover:bg-white/20 rounded-full transition-colors"
aria-label="Toggle feedback"
title={`Photo feedback${(currentPhoto.comment_count ?? 0) > 0 ? ` (${currentPhoto.comment_count ?? 0} comments)` : ''}`}
>
<MessageSquare className="w-5 h-5 text-white" />
{((currentPhoto.comment_count ?? 0) > 0 || (currentPhoto.average_rating ?? 0) > 0) && (
<span className="absolute -top-1 -right-1 bg-primary-500 text-white text-xs rounded-full w-5 h-5 flex items-center justify-center">
{(currentPhoto.comment_count ?? 0) > 0 ? currentPhoto.comment_count ?? 0 : '★'}
</span>
)}
</button>
)}
</div>
</div>
</div>
{/* Image container */}
<div
className="absolute top-0 left-0 bottom-0 flex items-center justify-center z-0"
onClick={handleImageClick}
onMouseDown={handleMouseDown}
onMouseMove={handleMouseMove}
onMouseUp={handleMouseUp}
onMouseLeave={handleMouseUp}
onTouchStart={handleTouchStart}
onTouchMove={handleTouchMove}
onTouchEnd={handleTouchEnd}
style={{
cursor: zoom > 1 ? (isDragging ? 'grabbing' : 'grab') : 'default',
right: isDesktopFeedback ? `${desktopFeedbackWidth}px` : 0,
}}
>
<AuthenticatedImage
src={currentPhoto.url}
alt={currentPhoto.filename}
fallbackSrc={currentPhoto.thumbnail_url || undefined}
className="max-w-full max-h-full object-contain select-none"
style={{
transform: `scale(${zoom}) translate(${dragOffset.x / zoom}px, ${dragOffset.y / zoom}px)`,
transition: isDragging ? 'none' : 'transform 0.2s',
}}
draggable={false}
useWatermark={useEnhancedProtection}
watermarkText={useEnhancedProtection ? `${currentPhoto.filename} - Protected` : undefined}
isGallery={true}
slug={slug}
photoId={currentPhoto.id}
requiresToken={currentPhoto.requires_token}
secureUrlTemplate={currentPhoto.secure_url_template}
protectFromDownload={!allowDownloads || useEnhancedProtection}
protectionLevel={protectionLevel}
useEnhancedProtection={useEnhancedProtection}
useCanvasRendering={protectionLevel === 'maximum'}
fragmentGrid={protectionLevel === 'enhanced' || protectionLevel === 'maximum'}
blockKeyboardShortcuts={useEnhancedProtection}
detectPrintScreen={useEnhancedProtection}
detectDevTools={protectionLevel === 'enhanced' || protectionLevel === 'maximum'}
onProtectionViolation={(violationType) => {
console.warn(`Protection violation in lightbox for photo ${currentPhoto.id}: ${violationType}`);
// Track analytics
if (typeof window !== 'undefined' && (window as any).umami) {
(window as any).umami.track('lightbox_protection_violation', {
photoId: currentPhoto.id,
violationType,
protectionLevel,
zoom
});
}
// For maximum protection, close lightbox on violation
if (protectionLevel === 'maximum' &&
['devtools_detected', 'print_screen_detected', 'canvas_access_blocked'].includes(violationType)) {
onClose();
}
}}
/>
</div>
{/* Touch/swipe indicators for mobile */}
<div className="absolute bottom-20 left-1/2 -translate-x-1/2 text-white text-sm opacity-50 pointer-events-none md:hidden z-20">
Swipe to navigate
</div>
{/* Feedback Panel */}
{showFeedback && (
<div className="absolute right-0 top-0 bottom-0 w-full sm:w-[26rem] bg-white shadow-xl z-20 overflow-y-auto flex flex-col border-l border-neutral-200">
<div className="sticky top-0 bg-white border-b px-4 py-3 flex items-center justify-between">
<h3 className="font-semibold text-neutral-900">Photo Feedback</h3>
<button
onClick={() => setShowFeedback(false)}
className="p-1 hover:bg-neutral-100 rounded transition-colors"
aria-label="Close feedback"
>
<X className="w-5 h-5" />
</button>
</div>
<div className="p-4 flex-1 overflow-y-auto">
<PhotoFeedback
photoId={String(currentPhoto.id)}
gallerySlug={slug}
showComments={true}
className="space-y-4"
/>
</div>
</div>
)}
{/* Identity Modal for required name/email */}
<FeedbackIdentityModal
isOpen={showIdentityModal}
onClose={() => { setShowIdentityModal(false); setPendingAction(null); }}
onSubmit={async (name, email) => {
setSavedIdentity({ name, email });
setShowIdentityModal(false);
if (pendingAction?.type === 'like') {
await feedbackService.submitFeedback(slug, String(currentPhoto.id), {
feedback_type: 'like',
guest_name: name,
guest_email: email,
});
setMyLiked(true);
} else if (pendingAction?.type === 'rating' && pendingAction.rating) {
await feedbackService.submitFeedback(slug, String(currentPhoto.id), {
feedback_type: 'rating',
rating: pendingAction.rating,
guest_name: name,
guest_email: email,
});
setMyRating(pendingAction.rating);
}
setPendingAction(null);
}}
feedbackType={pendingAction?.type === 'rating' ? 'rating' : 'like'}
/>
</div>
);
};