Files
fotospiel-app/resources/js/guest-v2/screens/LandingScreen.tsx
2026-02-03 15:18:44 +01:00

245 lines
8.3 KiB
TypeScript

import React from 'react';
import { useNavigate } from 'react-router-dom';
import { YStack, XStack } from '@tamagui/stacks';
import { SizableText as Text } from '@tamagui/text';
import { Button } from '@tamagui/button';
import { Input } from '@tamagui/input';
import { Card } from '@tamagui/card';
import { Html5Qrcode } from 'html5-qrcode';
import { QrCode, ArrowRight } from 'lucide-react';
import { useTranslation } from '@/guest/i18n/useTranslation';
import { fetchEvent } from '../services/eventApi';
import { readGuestName } from '../context/GuestIdentityContext';
import EventLogo from '../components/EventLogo';
import { useGuestThemeVariant } from '../lib/guestTheme';
const qrConfig = { fps: 10, qrbox: { width: 240, height: 240 } } as const;
type LandingErrorKey = 'eventClosed' | 'network' | 'camera';
export default function LandingScreen() {
const navigate = useNavigate();
const { t } = useTranslation();
const [eventCode, setEventCode] = React.useState('');
const [loading, setLoading] = React.useState(false);
const [errorKey, setErrorKey] = React.useState<LandingErrorKey | null>(null);
const [isScanning, setIsScanning] = React.useState(false);
const scannerRef = React.useRef<Html5Qrcode | null>(null);
const { isDark } = useGuestThemeVariant();
const cardBackground = isDark ? 'rgba(15, 23, 42, 0.7)' : 'rgba(255, 255, 255, 0.9)';
const cardBorder = isDark ? 'rgba(148, 163, 184, 0.2)' : 'rgba(15, 23, 42, 0.12)';
const primaryText = isDark ? '#F8FAFF' : '#0F172A';
const mutedText = isDark ? 'rgba(226, 232, 240, 0.78)' : 'rgba(15, 23, 42, 0.6)';
const mutedButton = isDark ? 'rgba(248, 250, 255, 0.1)' : 'rgba(15, 23, 42, 0.06)';
const mutedButtonBorder = isDark ? 'rgba(248, 250, 255, 0.2)' : 'rgba(15, 23, 42, 0.12)';
const brandName = 'Fotospiel';
const errorMessage = errorKey ? t(`landing.errors.${errorKey}`) : null;
const extractEventKey = React.useCallback((raw: string): string => {
const trimmed = raw.trim();
if (!trimmed) {
return '';
}
try {
const url = new URL(trimmed);
const inviteParam = url.searchParams.get('invite') ?? url.searchParams.get('token');
if (inviteParam) {
return inviteParam;
}
const segments = url.pathname.split('/').filter(Boolean);
const eventIndex = segments.findIndex((segment) => segment === 'e');
if (eventIndex >= 0 && segments.length > eventIndex + 1) {
return decodeURIComponent(segments[eventIndex + 1]);
}
if (segments.length > 0) {
return decodeURIComponent(segments[segments.length - 1]);
}
} catch {
// Not a URL, treat as raw code.
}
return trimmed;
}, []);
const join = React.useCallback(
async (input?: string) => {
const provided = input ?? eventCode;
const normalized = extractEventKey(provided);
if (!normalized) return;
setLoading(true);
setErrorKey(null);
try {
const event = await fetchEvent(normalized);
const targetKey = event.join_token ?? normalized;
if (!targetKey) {
setErrorKey('eventClosed');
return;
}
const storedName = readGuestName(targetKey);
if (!storedName) {
navigate(`/setup/${encodeURIComponent(targetKey)}`);
} else {
navigate(`/e/${encodeURIComponent(targetKey)}`);
}
} catch (error) {
console.error('Join request failed', error);
setErrorKey('network');
} finally {
setLoading(false);
}
},
[eventCode, extractEventKey, navigate]
);
const onScanSuccess = React.useCallback(
async (decodedText: string) => {
const value = decodedText.trim();
if (!value) return;
await join(value);
if (scannerRef.current) {
try {
await scannerRef.current.stop();
} catch (error) {
console.warn('Scanner stop failed', error);
}
}
setIsScanning(false);
},
[join]
);
const startScanner = React.useCallback(async () => {
if (scannerRef.current) {
try {
await scannerRef.current.start({ facingMode: 'environment' }, qrConfig, onScanSuccess, () => undefined);
setIsScanning(true);
} catch (error) {
console.error('Scanner start failed', error);
setErrorKey('camera');
}
return;
}
try {
const scanner = new Html5Qrcode('qr-reader');
scannerRef.current = scanner;
await scanner.start({ facingMode: 'environment' }, qrConfig, onScanSuccess, () => undefined);
setIsScanning(true);
} catch (error) {
console.error('Scanner init failed', error);
setErrorKey('camera');
}
}, [onScanSuccess]);
const stopScanner = React.useCallback(async () => {
if (!scannerRef.current) {
setIsScanning(false);
return;
}
try {
await scannerRef.current.stop();
} catch (error) {
console.warn('Scanner stop failed', error);
} finally {
setIsScanning(false);
}
}, []);
React.useEffect(() => () => {
if (scannerRef.current) {
scannerRef.current.stop().catch(() => undefined);
}
}, []);
return (
<YStack flex={1} minHeight="100vh" padding="$5" justifyContent="center" backgroundColor={isDark ? '#0B101E' : '#FFF8F5'}>
<YStack gap="$5" maxWidth={480} width="100%" alignSelf="center">
<XStack alignItems="center" gap="$3">
<EventLogo name={brandName} size="s" />
<Text fontSize="$5" fontFamily="$display" fontWeight="$8" color={primaryText}>
{brandName}
</Text>
</XStack>
<YStack gap="$2">
<Text fontSize="$8" fontFamily="$display" fontWeight="$9" color={primaryText}>
{t('landing.pageTitle')}
</Text>
<Text color={mutedText}>
{t('landing.subheadline')}
</Text>
</YStack>
{errorMessage ? (
<Card padding="$3" backgroundColor="rgba(248, 113, 113, 0.12)" borderColor="rgba(248, 113, 113, 0.4)" borderWidth={1}>
<Text color="#FEE2E2">{errorMessage}</Text>
</Card>
) : null}
<Card padding="$4" backgroundColor={cardBackground} borderColor={cardBorder} borderWidth={1}>
<YStack gap="$4">
<XStack alignItems="center" gap="$2">
<QrCode size={18} color={primaryText} />
<Text fontSize="$5" fontWeight="$8" color={primaryText}>
{t('landing.join.title')}
</Text>
</XStack>
<Text color={mutedText}>
{t('landing.join.description')}
</Text>
<YStack gap="$3">
<YStack
id="qr-reader"
height={240}
borderRadius="$4"
backgroundColor={isDark ? 'rgba(15, 23, 42, 0.55)' : 'rgba(15, 23, 42, 0.05)'}
borderWidth={1}
borderColor={isDark ? 'rgba(148, 163, 184, 0.15)' : 'rgba(15, 23, 42, 0.12)'}
overflow="hidden"
/>
<Button
onPress={isScanning ? stopScanner : startScanner}
backgroundColor={mutedButton}
borderColor={mutedButtonBorder}
borderWidth={1}
>
{isScanning ? t('landing.scan.stop', 'Scanner stoppen') : t('landing.scan.start', 'QR-Code scannen')}
</Button>
</YStack>
<Text color={mutedText} textAlign="center">
{t('landing.scan.manualDivider')}
</Text>
<YStack gap="$3">
<Input
value={eventCode}
onChangeText={setEventCode}
placeholder={t('landing.input.placeholder')}
backgroundColor={isDark ? 'rgba(15, 23, 42, 0.6)' : 'rgba(15, 23, 42, 0.05)'}
borderColor={cardBorder}
color={primaryText}
/>
<Button
onPress={() => join()}
disabled={loading || !eventCode.trim()}
backgroundColor="$primary"
color="#FFFFFF"
iconAfter={loading ? undefined : () => <ArrowRight size={16} color="#FFFFFF" />}
>
{loading ? t('landing.join.buttonLoading') : t('landing.join.button')}
</Button>
</YStack>
</YStack>
</Card>
</YStack>
</YStack>
);
}