Files
fotospiel-app/resources/js/guest/pages/UploadPage.tsx

858 lines
31 KiB
TypeScript
Raw Blame History

import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
import { useNavigate, useParams, useSearchParams } from 'react-router-dom';
import Header from '../components/Header';
import BottomNav from '../components/BottomNav';
import { Button } from '@/components/ui/button';
import { Badge } from '@/components/ui/badge';
import { Alert, AlertDescription } from '@/components/ui/alert';
import { uploadPhoto } from '../services/photosApi';
import { useGuestTaskProgress } from '../hooks/useGuestTaskProgress';
import { useAppearance } from '../../hooks/use-appearance';
import { cn } from '@/lib/utils';
import {
AlertTriangle,
Camera,
Grid3X3,
ImagePlus,
Info,
Loader2,
RotateCcw,
Sparkles,
Zap,
ZapOff,
} from 'lucide-react';
import { getEventPackage, type EventPackage } from '../services/eventApi';
interface Task {
id: number;
title: string;
description: string;
instructions?: string;
duration: number;
emotion?: { slug: string; name: string };
difficulty?: 'easy' | 'medium' | 'hard';
}
type PermissionState = 'idle' | 'prompt' | 'granted' | 'denied' | 'error' | 'unsupported';
type CameraMode = 'preview' | 'countdown' | 'review' | 'uploading';
type CameraPreferences = {
facingMode: 'user' | 'environment';
countdownSeconds: number;
countdownEnabled: boolean;
gridEnabled: boolean;
mirrorFrontPreview: boolean;
flashPreferred: boolean;
};
const DEFAULT_PREFS: CameraPreferences = {
facingMode: 'environment',
countdownSeconds: 3,
countdownEnabled: true,
gridEnabled: true,
mirrorFrontPreview: true,
flashPreferred: false,
};
export default function UploadPage() {
const { slug } = useParams<{ slug: string }>();
const navigate = useNavigate();
const [searchParams] = useSearchParams();
const { appearance } = useAppearance();
const isDarkMode = appearance === 'dark';
const { markCompleted } = useGuestTaskProgress(slug);
const taskIdParam = searchParams.get('task');
const emotionSlug = searchParams.get('emotion') || '';
const primerStorageKey = slug ? `guestCameraPrimerDismissed_${slug}` : 'guestCameraPrimerDismissed';
const prefsStorageKey = slug ? `guestCameraPrefs_${slug}` : 'guestCameraPrefs';
const supportsCamera = typeof navigator !== 'undefined' && !!navigator.mediaDevices?.getUserMedia;
const [task, setTask] = useState<Task | null>(null);
const [loadingTask, setLoadingTask] = useState(true);
const [taskError, setTaskError] = useState<string | null>(null);
const [permissionState, setPermissionState] = useState<PermissionState>('idle');
const [permissionMessage, setPermissionMessage] = useState<string | null>(null);
const [preferences, setPreferences] = useState<CameraPreferences>(DEFAULT_PREFS);
const [mode, setMode] = useState<CameraMode>('preview');
const [countdownValue, setCountdownValue] = useState(DEFAULT_PREFS.countdownSeconds);
const [statusMessage, setStatusMessage] = useState<string>('');
const [reviewPhoto, setReviewPhoto] = useState<{ dataUrl: string; file: File } | null>(null);
const [uploadProgress, setUploadProgress] = useState(0);
const [uploadError, setUploadError] = useState<string | null>(null);
const [eventPackage, setEventPackage] = useState<EventPackage | null>(null);
const [canUpload, setCanUpload] = useState(true);
const [showPrimer, setShowPrimer] = useState<boolean>(() => {
if (typeof window === 'undefined') return false;
return window.localStorage.getItem(primerStorageKey) !== '1';
});
const videoRef = useRef<HTMLVideoElement | null>(null);
const canvasRef = useRef<HTMLCanvasElement | null>(null);
const fileInputRef = useRef<HTMLInputElement | null>(null);
const liveRegionRef = useRef<HTMLDivElement | null>(null);
const streamRef = useRef<MediaStream | null>(null);
const countdownTimerRef = useRef<number | null>(null);
const uploadProgressTimerRef = useRef<number | null>(null);
const taskId = useMemo(() => {
if (!taskIdParam) return null;
const parsed = parseInt(taskIdParam, 10);
return Number.isFinite(parsed) ? parsed : null;
}, [taskIdParam]);
// Load preferences from storage
useEffect(() => {
if (typeof window === 'undefined') return;
try {
const stored = window.localStorage.getItem(prefsStorageKey);
if (stored) {
const parsed = JSON.parse(stored) as Partial<CameraPreferences>;
setPreferences((prev) => ({ ...prev, ...parsed }));
}
} catch (error) {
console.warn('Failed to parse camera preferences', error);
}
}, [prefsStorageKey]);
// Persist preferences when they change
useEffect(() => {
if (typeof window === 'undefined') return;
try {
window.localStorage.setItem(prefsStorageKey, JSON.stringify(preferences));
} catch (error) {
console.warn('Failed to persist camera preferences', error);
}
}, [preferences, prefsStorageKey]);
// Load task metadata
useEffect(() => {
if (!slug || !taskId) {
setTaskError('Keine Aufgabeninformationen gefunden.');
setLoadingTask(false);
return;
}
let active = true;
async function loadTask() {
try {
setLoadingTask(true);
setTaskError(null);
const res = await fetch(`/api/v1/events/${encodeURIComponent(slug!)}/tasks`);
if (!res.ok) throw new Error('Tasks konnten nicht geladen werden');
const tasks = await res.json();
const found = Array.isArray(tasks) ? tasks.find((entry: any) => entry.id === taskId!) : null;
if (!active) return;
if (found) {
setTask({
id: found.id,
title: found.title || `Aufgabe ${taskId!}`,
description: found.description || 'Halte den Moment fest und teile ihn mit allen Gästen.',
instructions: found.instructions,
duration: found.duration || 2,
emotion: found.emotion,
difficulty: found.difficulty ?? 'medium',
});
} else {
setTask({
id: taskId!,
title: `Aufgabe ${taskId!}`,
description: 'Halte den Moment fest und teile ihn mit allen Gästen.',
instructions: 'Positioniere alle im Bild, starte den Countdown und lass die Emotion wirken.',
duration: 2,
emotion: emotionSlug
? { slug: emotionSlug, name: emotionSlug.replace('-', ' ').replace(/\b\w/g, (l) => l.toUpperCase()) }
: undefined,
difficulty: 'medium',
});
}
} catch (error) {
console.error('Failed to fetch task', error);
if (active) {
setTaskError('Aufgabe konnte nicht geladen werden. Du kannst trotzdem ein Foto machen.');
setTask({
id: taskId!,
title: `Aufgabe ${taskId!}`,
description: 'Halte den Moment fest und teile ihn mit allen Gästen.',
instructions: 'Positioniere alle im Bild, starte den Countdown und lass die Emotion wirken.',
duration: 2,
emotion: emotionSlug
? { slug: emotionSlug, name: emotionSlug.replace('-', ' ').replace(/\b\w/g, (l) => l.toUpperCase()) }
: undefined,
difficulty: 'medium',
});
}
} finally {
if (active) setLoadingTask(false);
}
}
loadTask();
return () => {
active = false;
};
}, [slug, taskId, emotionSlug]);
// Check upload limits
useEffect(() => {
if (!slug || !task) return;
const checkLimits = async () => {
try {
const pkg = await getEventPackage(slug);
setEventPackage(pkg);
if (pkg && pkg.used_photos >= pkg.package.max_photos) {
setCanUpload(false);
setUploadError('Upload-Limit erreicht. Kontaktieren Sie den Organisator für ein Upgrade.');
} else {
setCanUpload(true);
}
} catch (err) {
console.error('Failed to check package limits', err);
setCanUpload(false);
setUploadError('Fehler beim Prüfen des Limits. Upload deaktiviert.');
}
};
checkLimits();
}, [slug, task]);
const stopStream = useCallback(() => {
if (streamRef.current) {
streamRef.current.getTracks().forEach((track) => track.stop());
streamRef.current = null;
}
}, []);
const attachStreamToVideo = useCallback((stream: MediaStream) => {
if (!videoRef.current) return;
videoRef.current.srcObject = stream;
videoRef.current
.play()
.then(() => {
if (videoRef.current) {
videoRef.current.muted = true;
}
})
.catch((error) => console.error('Video play error', error));
}, []);
const createConstraint = useCallback(
(mode: 'user' | 'environment'): MediaStreamConstraints => ({
video: {
width: { ideal: 1920 },
height: { ideal: 1080 },
facingMode: { ideal: mode },
},
audio: false,
}),
[]
);
const startCamera = useCallback(async () => {
if (!supportsCamera) {
setPermissionState('unsupported');
setPermissionMessage('Dieses Gerät oder der Browser unterstützt keine Kamera-Zugriffe.');
return;
}
if (!task || mode === 'uploading') return;
try {
setPermissionState('prompt');
setPermissionMessage(null);
const stream = await navigator.mediaDevices.getUserMedia(createConstraint(preferences.facingMode));
stopStream();
streamRef.current = stream;
attachStreamToVideo(stream);
setPermissionState('granted');
} catch (error: any) {
console.error('Camera access error', error);
stopStream();
if (error?.name === 'NotAllowedError') {
setPermissionState('denied');
setPermissionMessage(
'Kamera-Zugriff wurde blockiert. Prüfe die Berechtigungen deines Browsers und versuche es erneut.'
);
} else if (error?.name === 'NotFoundError') {
setPermissionState('error');
setPermissionMessage('Keine Kamera gefunden. Du kannst stattdessen ein Foto aus deiner Galerie wählen.');
} else {
setPermissionState('error');
setPermissionMessage(`Kamera konnte nicht gestartet werden: ${error?.message || 'Unbekannter Fehler'}`);
}
}
}, [attachStreamToVideo, createConstraint, mode, preferences.facingMode, stopStream, supportsCamera, task]);
useEffect(() => {
if (!task || loadingTask) return;
startCamera();
return () => {
stopStream();
};
}, [task, loadingTask, startCamera, stopStream, preferences.facingMode]);
// Countdown live region updates
useEffect(() => {
if (!liveRegionRef.current) return;
if (mode === 'countdown') {
liveRegionRef.current.textContent = `Foto wird in ${countdownValue} Sekunden aufgenommen.`;
} else if (mode === 'review') {
liveRegionRef.current.textContent = 'Foto aufgenommen. <20>berpr<70>fe die Vorschau.';
} else if (mode === 'uploading') {
liveRegionRef.current.textContent = 'Foto wird hochgeladen.';
} else {
liveRegionRef.current.textContent = '';
}
}, [mode, countdownValue]);
const dismissPrimer = useCallback(() => {
setShowPrimer(false);
if (typeof window !== 'undefined') {
window.localStorage.setItem(primerStorageKey, '1');
}
}, [primerStorageKey]);
const handleToggleGrid = useCallback(() => {
setPreferences((prev) => ({ ...prev, gridEnabled: !prev.gridEnabled }));
}, []);
const handleToggleMirror = useCallback(() => {
setPreferences((prev) => ({ ...prev, mirrorFrontPreview: !prev.mirrorFrontPreview }));
}, []);
const handleToggleCountdown = useCallback(() => {
setPreferences((prev) => ({ ...prev, countdownEnabled: !prev.countdownEnabled }));
}, []);
const handleSwitchCamera = useCallback(() => {
setPreferences((prev) => ({
...prev,
facingMode: prev.facingMode === 'user' ? 'environment' : 'user',
}));
}, []);
const handleToggleFlashPreference = useCallback(() => {
setPreferences((prev) => ({ ...prev, flashPreferred: !prev.flashPreferred }));
}, []);
const resetCountdownTimer = useCallback(() => {
if (countdownTimerRef.current) {
window.clearInterval(countdownTimerRef.current);
countdownTimerRef.current = null;
}
}, []);
const performCapture = useCallback(() => {
if (!videoRef.current || !canvasRef.current) {
setUploadError('Kamera nicht bereit. Bitte versuche es erneut.');
setMode('preview');
return;
}
const video = videoRef.current;
const canvas = canvasRef.current;
const width = video.videoWidth;
const height = video.videoHeight;
if (!width || !height) {
setUploadError('Kamera liefert kein Bild. Bitte starte die Kamera neu.');
setMode('preview');
startCamera();
return;
}
canvas.width = width;
canvas.height = height;
const context = canvas.getContext('2d');
if (!context) {
setUploadError('Canvas konnte nicht initialisiert werden.');
setMode('preview');
return;
}
context.save();
const shouldMirror = preferences.facingMode === 'user' && preferences.mirrorFrontPreview;
if (shouldMirror) {
context.scale(-1, 1);
context.drawImage(video, -width, 0, width, height);
} else {
context.drawImage(video, 0, 0, width, height);
}
context.restore();
canvas.toBlob(
(blob) => {
if (!blob) {
setUploadError('Foto konnte nicht erstellt werden.');
setMode('preview');
return;
}
const timestamp = Date.now();
const fileName = `photo-${timestamp}.jpg`;
const file = new File([blob], fileName, { type: 'image/jpeg', lastModified: timestamp });
const dataUrl = canvas.toDataURL('image/jpeg', 0.92);
setReviewPhoto({ dataUrl, file });
setMode('review');
},
'image/jpeg',
0.92
);
}, [preferences.facingMode, preferences.mirrorFrontPreview, startCamera]);
const beginCapture = useCallback(() => {
setUploadError(null);
if (preferences.countdownEnabled && preferences.countdownSeconds > 0) {
setMode('countdown');
setCountdownValue(preferences.countdownSeconds);
resetCountdownTimer();
countdownTimerRef.current = window.setInterval(() => {
setCountdownValue((prev) => {
if (prev <= 1) {
resetCountdownTimer();
performCapture();
return preferences.countdownSeconds;
}
return prev - 1;
});
}, 1000);
} else {
performCapture();
}
}, [performCapture, preferences.countdownEnabled, preferences.countdownSeconds, resetCountdownTimer]);
const handleRetake = useCallback(() => {
setReviewPhoto(null);
setUploadProgress(0);
setUploadError(null);
setMode('preview');
}, []);
const navigateAfterUpload = useCallback(
(photoId: number | undefined) => {
if (!slug || !task) return;
const params = new URLSearchParams();
params.set('uploaded', 'true');
if (task.id) params.set('task', String(task.id));
if (photoId) params.set('photo', String(photoId));
if (emotionSlug) params.set('emotion', emotionSlug);
navigate(`/e/${encodeURIComponent(slug!)}/gallery?${params.toString()}`);
},
[emotionSlug, navigate, slug, task]
);
const handleUsePhoto = useCallback(async () => {
if (!slug || !reviewPhoto || !task || !canUpload) return;
setMode('uploading');
setUploadProgress(5);
setUploadError(null);
setStatusMessage('Foto wird vorbereitet...');
if (uploadProgressTimerRef.current) {
window.clearInterval(uploadProgressTimerRef.current);
}
uploadProgressTimerRef.current = window.setInterval(() => {
setUploadProgress((prev) => (prev < 90 ? prev + 5 : prev));
}, 400);
try {
const photoId = await uploadPhoto(slug, reviewPhoto.file, task.id, emotionSlug || undefined);
setUploadProgress(100);
setStatusMessage('Upload abgeschlossen.');
markCompleted(task.id);
stopStream();
navigateAfterUpload(photoId);
} catch (error: any) {
console.error('Upload failed', error);
setUploadError(error?.message || 'Upload fehlgeschlagen. Bitte versuche es erneut.');
setMode('review');
} finally {
if (uploadProgressTimerRef.current) {
window.clearInterval(uploadProgressTimerRef.current);
uploadProgressTimerRef.current = null;
}
setStatusMessage('');
}
}, [emotionSlug, markCompleted, navigateAfterUpload, reviewPhoto, slug, stopStream, task, canUpload]);
const handleGalleryPick = useCallback((event: React.ChangeEvent<HTMLInputElement>) => {
if (!canUpload) return;
const file = event.target.files?.[0];
if (!file) return;
setUploadError(null);
const reader = new FileReader();
reader.onload = () => {
setReviewPhoto({ dataUrl: reader.result as string, file });
setMode('review');
};
reader.onerror = () => {
setUploadError('Auswahl fehlgeschlagen. Bitte versuche es erneut.');
};
reader.readAsDataURL(file);
}, [canUpload]);
const difficultyBadgeClass = useMemo(() => {
if (!task) return 'text-white';
switch (task.difficulty) {
case 'easy':
return 'text-emerald-400';
case 'hard':
return 'text-rose-400';
default:
return 'text-amber-300';
}
}, [task]);
const isCameraActive = permissionState === 'granted' && mode !== 'uploading';
const showTaskOverlay = task && mode !== 'uploading';
const isUploadDisabled = !canUpload || !task;
useEffect(() => () => {
resetCountdownTimer();
if (uploadProgressTimerRef.current) {
window.clearInterval(uploadProgressTimerRef.current);
}
}, [resetCountdownTimer]);
if (!supportsCamera && !task) {
return (
<div className="pb-16">
<Header slug={slug} title="Kamera" />
<main className="px-4 py-6">
<Alert>
<AlertDescription>
Dieses Gerät unterstützt keine Kamera-Zugriffe. Du kannst stattdessen Fotos aus deiner Galerie hochladen.
</AlertDescription>
</Alert>
</main>
<BottomNav />
</div>
);
}
if (loadingTask) {
return (
<div className="pb-16">
<Header slug={slug} title="Kamera" />
<main className="px-4 py-6 flex flex-col items-center justify-center text-center">
<Loader2 className="h-10 w-10 animate-spin text-pink-500 mb-4" />
<p className="text-sm text-muted-foreground">Aufgabe und Kamera werden vorbereitet ...</p>
</main>
<BottomNav />
</div>
);
}
if (!canUpload) {
return (
<div className="pb-16">
<Header slug={slug} title="Kamera" />
<main className="px-4 py-6">
<Alert variant="destructive">
<AlertTriangle className="h-4 w-4" />
<AlertDescription>
Upload-Limit erreicht ({eventPackage?.used_photos || 0} / {eventPackage?.package.max_photos || 0} Fotos).
Kontaktieren Sie den Organisator für ein Package-Upgrade.
</AlertDescription>
</Alert>
</main>
<BottomNav />
</div>
);
}
const renderPrimer = () => (
showPrimer && (
<div className="mx-4 mt-3 rounded-xl border border-pink-200 bg-white/90 p-4 text-sm text-pink-900 shadow">
<div className="flex items-start gap-3">
<Info className="mt-0.5 h-5 w-5 flex-shrink-0" />
<div className="text-left">
<p className="font-semibold">Bereit für dein Shooting?</p>
<p className="mt-1">
Suche dir gutes Licht, halte die Stimmung der Aufgabe fest und nutze die Kontrollleiste für Countdown, Grid und Kamerawechsel.
</p>
</div>
<Button variant="ghost" size="sm" onClick={dismissPrimer}>
Alles klar
</Button>
</div>
</div>
)
);
const renderPermissionNotice = () => {
if (permissionState === 'granted') return null;
if (permissionState === 'unsupported') {
return (
<Alert className="mx-4">
<AlertDescription>
Dieses Gerät unterstützt keine Kamera. Nutze den Button `Foto aus Galerie wählen`, um dennoch teilzunehmen.
</AlertDescription>
</Alert>
);
}
if (permissionState === 'denied' || permissionState === 'error') {
return (
<Alert variant="destructive" className="mx-4">
<AlertDescription className="space-y-3">
<div>{permissionMessage}</div>
<Button size="sm" variant="outline" onClick={startCamera}>
Erneut versuchen
</Button>
</AlertDescription>
</Alert>
);
}
return (
<Alert className="mx-4">
<AlertDescription>
Wir benötigen Zugriff auf deine Kamera. Bestätige die Browser-Abfrage oder nutze alternativ ein Foto aus deiner Galerie.
</AlertDescription>
</Alert>
);
};
return (
<div className="pb-16">
<Header slug={slug} title="Kamera" />
<main className="relative flex flex-col gap-4 pb-4">
<div className="absolute left-0 right-0 top-0" aria-hidden="true">
{renderPrimer()}
</div>
<div className="pt-32" />
{permissionState !== 'granted' && renderPermissionNotice()}
<section className="relative mx-4 overflow-hidden rounded-2xl border border-white/10 bg-black text-white shadow-xl">
<div className="relative aspect-[3/4] sm:aspect-video">
<video
ref={videoRef}
className={cn(
'absolute inset-0 h-full w-full object-cover transition-transform duration-200',
preferences.facingMode === 'user' && preferences.mirrorFrontPreview ? '-scale-x-100' : 'scale-x-100',
!isCameraActive && 'opacity-30'
)}
playsInline
muted
/>
{preferences.gridEnabled && (
<div
className="pointer-events-none absolute inset-0 z-10"
style={{
backgroundImage:
'linear-gradient(90deg, rgba(255,255,255,0.25) 1px, transparent 1px), linear-gradient(0deg, rgba(255,255,255,0.25) 1px, transparent 1px)',
backgroundSize: '33.333% 100%, 100% 33.333%',
}}
/>
)}
{!isCameraActive && (
<div className="absolute inset-0 z-20 flex flex-col items-center justify-center bg-black/70 text-center text-sm">
<Camera className="mb-3 h-8 w-8 text-pink-400" />
<p className="max-w-xs text-white/90">
Kamera ist nicht aktiv. {permissionMessage || 'Tippe auf `Kamera starten`, um loszulegen.'}
</p>
<div className="mt-4 flex flex-wrap gap-2">
<Button size="sm" onClick={startCamera}>
Kamera starten
</Button>
<Button size="sm" variant="secondary" onClick={() => fileInputRef.current?.click()}>
Foto aus Galerie wählen
</Button>
</div>
</div>
)}
{showTaskOverlay && task && (
<div className="absolute left-3 right-3 top-3 z-30 flex flex-col gap-2 rounded-xl border border-white/15 bg-black/40 p-3 backdrop-blur-sm">
<div className="flex items-center justify-between gap-2">
<Badge variant="secondary" className="flex items-center gap-2 text-xs">
<Sparkles className="h-3.5 w-3.5" />
Aufgabe #{task.id}
</Badge>
<span className={cn('text-xs font-medium uppercase tracking-wide', difficultyBadgeClass)}>
{task.difficulty === 'easy'
? 'Leicht'
: task.difficulty === 'hard'
? 'Herausfordernd'
: 'Medium'}
</span>
</div>
<div>
<h1 className="text-lg font-semibold leading-tight">{task.title}</h1>
<p className="mt-1 text-xs leading-relaxed text-white/80">{task.description}</p>
</div>
<div className="flex flex-wrap items-center gap-2 text-[11px] text-white/70">
{task.instructions && <span>Hinweis: {task.instructions}</span>}
{emotionSlug && (
<span className="rounded-full border border-white/20 px-2 py-0.5">Stimmung: {task.emotion?.name || emotionSlug}</span>
)}
{preferences.countdownEnabled && (
<span className="rounded-full border border-white/20 px-2 py-0.5">
Countdown: {preferences.countdownSeconds}s
</span>
)}
</div>
</div>
)}
{mode === 'countdown' && (
<div className="absolute inset-0 z-40 flex flex-col items-center justify-center bg-black/60 text-white">
<div className="text-6xl font-bold">{countdownValue}</div>
<p className="mt-2 text-sm text-white/70">Bereit machen ...</p>
</div>
)}
{mode === 'review' && reviewPhoto && (
<div className="absolute inset-0 z-40 flex flex-col bg-black">
<img src={reviewPhoto.dataUrl} alt="Aufgenommenes Foto" className="h-full w-full object-contain" />
</div>
)}
{mode === 'uploading' && (
<div className="absolute inset-0 z-40 flex flex-col items-center justify-center gap-4 bg-black/80 text-white">
<Loader2 className="h-10 w-10 animate-spin" />
<div className="w-1/2 min-w-[200px] max-w-sm">
<div className="h-2 rounded-full bg-white/20">
<div
className="h-2 rounded-full bg-gradient-to-r from-pink-500 to-purple-500 transition-all"
style={{ width: `${uploadProgress}%` }}
/>
</div>
{statusMessage && <p className="mt-2 text-center text-xs text-white/80">{statusMessage}</p>}
</div>
</div>
)}
</div>
<div className="relative z-30 flex flex-col gap-3 bg-gradient-to-t from-black via-black/80 to-transparent p-4">
{uploadError && (
<Alert variant="destructive" className="bg-red-500/10 text-white">
<AlertDescription className="flex items-center gap-2 text-xs">
<AlertTriangle className="h-4 w-4" />
{uploadError}
</AlertDescription>
</Alert>
)}
<div className="flex flex-wrap justify-between gap-3">
<div className="flex flex-wrap gap-2">
<Button
size="icon"
variant={preferences.gridEnabled ? 'default' : 'secondary'}
className="h-10 w-10 rounded-full bg-white/15 text-white"
onClick={handleToggleGrid}
>
<Grid3X3 className="h-5 w-5" />
<span className="sr-only">Raster umschalten</span>
</Button>
<Button
size="icon"
variant={preferences.countdownEnabled ? 'default' : 'secondary'}
className="h-10 w-10 rounded-full bg-white/15 text-white"
onClick={handleToggleCountdown}
>
<span className="text-sm font-semibold">{preferences.countdownSeconds}s</span>
<span className="sr-only">Countdown umschalten</span>
</Button>
{preferences.facingMode === 'user' && (
<Button
size="icon"
variant={preferences.mirrorFrontPreview ? 'default' : 'secondary'}
className="h-10 w-10 rounded-full bg-white/15 text-white"
onClick={handleToggleMirror}
>
<span className="text-sm font-semibold">?</span>
<span className="sr-only">Spiegelung für Frontkamera umschalten</span>
</Button>
)}
<Button
size="icon"
variant={preferences.flashPreferred ? 'default' : 'secondary'}
className="h-10 w-10 rounded-full bg-white/15 text-white"
onClick={handleToggleFlashPreference}
disabled={preferences.facingMode !== 'environment'}
>
{preferences.flashPreferred ? <Zap className="h-5 w-5 text-yellow-300" /> : <ZapOff className="h-5 w-5" />}
<span className="sr-only">Blitzpräferenz umschalten</span>
</Button>
</div>
<div className="flex flex-wrap gap-2">
<Button
variant="secondary"
size="sm"
className="rounded-full border-white/30 bg-white/10 text-white"
onClick={handleSwitchCamera}
>
<RotateCcw className="mr-1 h-4 w-4" />
Kamera wechseln
</Button>
<Button
variant="secondary"
size="sm"
className="rounded-full border-white/30 bg-white/10 text-white"
onClick={() => fileInputRef.current?.click()}
>
<ImagePlus className="mr-1 h-4 w-4" />
Foto aus Galerie
</Button>
</div>
</div>
<div className="flex items-center justify-center">
{mode === 'review' && reviewPhoto ? (
<div className="flex w-full max-w-md flex-col gap-3 sm:flex-row">
<Button variant="secondary" className="flex-1" onClick={handleRetake}>
Noch einmal
</Button>
<Button className="flex-1" onClick={handleUsePhoto}>
Foto verwenden
</Button>
</div>
) : (
<Button
size="lg"
className="h-16 w-16 rounded-full border-4 border-white/40 bg-white/90 text-black shadow-xl"
onClick={beginCapture}
disabled={!isCameraActive || mode === 'countdown'}
>
<Camera className="h-7 w-7" />
<span className="sr-only">Foto aufnehmen</span>
</Button>
)}
</div>
</div>
</section>
<input
ref={fileInputRef}
type="file"
accept="image/*"
className="hidden"
onChange={handleGalleryPick}
/>
<div ref={liveRegionRef} className="sr-only" aria-live="assertive" />
</main>
<BottomNav />
<canvas ref={canvasRef} className="hidden" />
</div>
);
}