Files
Quizalarm/public/js/app.js
T

753 lines
39 KiB
JavaScript

const { useState, useEffect, useRef, useCallback } = React;
const api = {
async get(url) {
const r = await fetch(url);
if (!r.ok) throw new Error((await r.json().catch(() => ({}))).error || r.statusText);
return r.json();
},
async post(url, data) {
const r = await fetch(url, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(data) });
if (!r.ok) throw new Error((await r.json().catch(() => ({}))).error || r.statusText);
return r.json();
},
};
function wsUrl() { return `${location.protocol === 'https:' ? 'wss:' : 'ws:'}//${location.host}`; }
function shuffleArray(arr) {
const a = [...arr];
for (let i = a.length - 1; i > 0; i--) { const j = Math.floor(Math.random() * (i + 1));[a[i], a[j]] = [a[j], a[i]]; }
return a;
}
function fieldVal(field, fallback) {
if (!field) return fallback || '';
if (typeof field === 'string') return field;
if (typeof field === 'object' && field.value !== undefined) return field.value;
return String(field);
}
function normalizeText(t) {
return (t || '').toLowerCase()
.replace(/[äÄ]/g, 'ae').replace(/[öÖ]/g, 'oe').replace(/[üÜ]/g, 'ue').replace(/ß/g, 'ss')
.replace(/[^a-z0-9]/g, '');
}
function Logo({ size }) {
const cls = size === 'lg' ? 'w-24 h-24' : size === 'md' ? 'w-16 h-16' : 'w-10 h-10';
return <img src="/img/logo.png" alt="Quizalarm" className={`${cls} mx-auto`} />;
}
/* ================================================================== */
/* Shared Components */
/* ================================================================== */
function ImageModal({ src, onClose }) {
if (!src) return null;
return (
<div className="fixed inset-0 bg-black bg-opacity-90 flex items-center justify-center z-50 p-4" onClick={onClose}>
<img src={src} className="max-w-full max-h-full object-contain rounded-lg" alt="" />
</div>
);
}
function Timer({ timeLeft, total }) {
if (!total) return null;
const pct = Math.max(0, (timeLeft / total) * 100);
const color = pct > 50 ? 'bg-green-500' : pct > 25 ? 'bg-yellow-500' : 'bg-red-500';
return (
<div className="w-full mb-4">
<div className="w-full bg-gray-700 rounded-full h-4 overflow-hidden">
<div className={`${color} h-full rounded-full transition-all duration-200`} style={{ width: `${pct}%` }} />
</div>
<div className="text-center text-sm mt-1 text-gray-300">{Math.ceil(timeLeft)}s</div>
</div>
);
}
function Leaderboard({ entries, highlight, compact }) {
if (!entries || !entries.length) return null;
const show = compact ? entries.slice(0, 5) : entries;
return (
<div className="bg-gray-800 rounded-xl p-4 mt-4 w-full">
<h3 className="text-lg font-bold mb-2 text-center">🏆 Leaderboard</h3>
{show.map((e, i) => (
<div key={e.name} className={`flex justify-between py-2 px-3 rounded-lg mb-1 ${e.name === highlight ? 'bg-red-700' : i === 0 ? 'bg-amber-700' : 'bg-gray-700'}`}>
<span className="font-medium">{i === 0 ? '🥇' : i === 1 ? '🥈' : i === 2 ? '🥉' : `${e.rank}.`} {e.name}</span>
<span className="font-bold">{e.score}</span>
</div>
))}
</div>
);
}
const ANSWER_COLORS = { A: 'answer-a', B: 'answer-b', C: 'answer-c', D: 'answer-d' };
function AnswerGrid({ question, selected, onToggle, disabled, feedback }) {
const typ = (question.typ || 'MC').toLowerCase();
const isWF = typ === 'wahr/falsch';
if (typ === 'freitext') {
if (feedback) {
return (
<div className="space-y-3">
<div className={`p-4 rounded-xl text-center text-xl font-bold text-white ${feedback.isCorrect ? 'bg-green-600 ring-4 ring-green-400' : 'bg-red-700 ring-4 ring-red-400'}`}>
{feedback.isCorrect ? '✓ ' : '✗ '}{selected[0] || '(keine Antwort)'}
</div>
{!feedback.isCorrect && feedback.correctText && (
<div className="p-4 rounded-xl text-center text-xl font-bold bg-green-600 text-white ring-4 ring-green-400"> {feedback.correctText}</div>
)}
</div>
);
}
return (
<input type="text" className="w-full p-4 rounded-xl bg-gray-700 text-white text-xl text-center border-2 border-gray-600 focus:border-red-500 outline-none"
placeholder="Deine Antwort..." value={selected[0] || ''} onChange={(e) => onToggle([e.target.value])} disabled={disabled} autoFocus />
);
}
return (
<div className={`grid gap-3 ${question.antworten.length <= 2 ? 'grid-cols-1 sm:grid-cols-2' : 'grid-cols-1 sm:grid-cols-2'}`}>
{question.antworten.map((a) => {
const isSelected = selected.includes(a.key);
let cls, icon = '';
if (feedback) {
const isCorrectAnswer = feedback.correctKeys.includes(a.key);
if (isCorrectAnswer) { cls = 'bg-green-600 text-white ring-4 ring-green-400'; icon = '✓ '; }
else if (isSelected) { cls = 'bg-red-700 text-white ring-4 ring-red-400'; icon = '✗ '; }
else { cls = 'bg-gray-700 text-gray-500 opacity-40'; }
cls += ' font-bold py-4 px-6 rounded-xl text-lg text-center cursor-default';
} else {
cls = `${ANSWER_COLORS[a.key]} ${isSelected ? 'selected' : ''} ${disabled ? 'disabled' : ''} text-white font-bold py-4 px-6 rounded-xl text-lg cursor-pointer transition-all text-center`;
}
return (
<button key={a.key} className={cls} disabled={disabled || !!feedback}
onClick={() => {
if (disabled || feedback) return;
if (isWF) onToggle([a.key]);
else onToggle(isSelected ? selected.filter((s) => s !== a.key) : [...selected, a.key]);
}}>
{icon}{a.text}
</button>
);
})}
</div>
);
}
function BackButton({ onClick, label }) {
return (
<button onClick={onClick} className="text-gray-400 hover:text-white text-sm flex items-center gap-1">
<span></span> <span>{label || 'Beenden'}</span>
</button>
);
}
/* ================================================================== */
/* Home Page */
/* ================================================================== */
function HomePage({ navigate }) {
return (
<div className="min-h-screen flex flex-col items-center justify-center p-6">
<Logo size="lg" />
<h1 className="text-5xl font-extrabold mb-2 mt-4 fire-gradient">Quizalarm</h1>
<p className="text-gray-400 mb-10 text-lg">Lernen. Quizzen. Wissen.</p>
<div className="w-full max-w-sm space-y-4">
<button onClick={() => navigate('join')} className="w-full py-4 bg-red-600 hover:bg-red-700 rounded-xl text-xl font-bold transition-all shadow-lg shadow-red-900/30">🎮 Live-Quiz beitreten</button>
<button onClick={() => navigate('solo-select')} className="w-full py-4 bg-amber-600 hover:bg-amber-700 rounded-xl text-xl font-bold transition-all shadow-lg shadow-amber-900/30">📚 Solo-Lernen</button>
<button onClick={() => navigate('my-results')} className="w-full py-4 bg-gray-700 hover:bg-gray-600 rounded-xl text-xl font-bold transition-all">📊 Meine Ergebnisse</button>
</div>
<a href="/admin" className="mt-8 text-gray-500 hover:text-gray-300 text-sm">Admin-Bereich </a>
</div>
);
}
/* ================================================================== */
/* Join Page */
/* ================================================================== */
function JoinPage({ navigate }) {
const [code, setCode] = useState('');
const [name, setName] = useState('');
const [error, setError] = useState('');
const handleJoin = () => {
if (!code.trim() || !name.trim()) return setError('Code und Name erforderlich');
navigate('live-play', { code: code.trim().toUpperCase(), name: name.trim() });
};
return (
<div className="min-h-screen flex flex-col items-center justify-center p-6">
<h2 className="text-3xl font-bold mb-6">🎮 Live-Quiz beitreten</h2>
<div className="w-full max-w-sm space-y-4">
<input className="w-full p-4 rounded-xl bg-gray-800 text-white text-center text-2xl tracking-widest border-2 border-gray-700 focus:border-red-500 outline-none uppercase" placeholder="CODE" value={code} onChange={(e) => setCode(e.target.value)} maxLength={20} />
<input className="w-full p-4 rounded-xl bg-gray-800 text-white text-center text-xl border-2 border-gray-700 focus:border-red-500 outline-none" placeholder="Dein Name" value={name} onChange={(e) => setName(e.target.value)} maxLength={20} onKeyDown={(e) => e.key === 'Enter' && handleJoin()} />
{error && <p className="text-red-400 text-center">{error}</p>}
<button onClick={handleJoin} className="w-full py-4 bg-red-600 hover:bg-red-700 rounded-xl text-xl font-bold shadow-lg shadow-red-900/30">Beitreten</button>
<button onClick={() => navigate('home')} className="w-full py-3 text-gray-400 hover:text-white"> Zurück</button>
</div>
</div>
);
}
/* ================================================================== */
/* Live Play Page */
/* ================================================================== */
function LivePlayPage({ params, navigate }) {
const [phase, setPhase] = useState('connecting');
const [session, setSession] = useState(null);
const [question, setQuestion] = useState(null);
const [qIndex, setQIndex] = useState(0);
const [qTotal, setQTotal] = useState(0);
const [timeLimit, setTimeLimit] = useState(0);
const [timeLeft, setTimeLeft] = useState(0);
const [selected, setSelected] = useState([]);
const [answered, setAnswered] = useState(false);
const [result, setResult] = useState(null);
const [leaderboardData, setLeaderboardData] = useState([]);
const [error, setError] = useState('');
const [enlargedImg, setEnlargedImg] = useState(null);
const wsRef = useRef(null);
const timerRef = useRef(null);
const phaseRef = useRef(phase);
phaseRef.current = phase;
useEffect(() => {
const ws = new WebSocket(wsUrl());
wsRef.current = ws;
ws.onopen = () => ws.send(JSON.stringify({ type: 'join', code: params.code, name: params.name }));
ws.onmessage = (e) => {
const msg = JSON.parse(e.data);
switch (msg.type) {
case 'joined': setSession(msg.session); setPhase('waiting'); break;
case 'player-joined': case 'player-left':
setSession((s) => s ? { ...s, players: msg.players, playerCount: msg.playerCount } : s); break;
case 'game-start': setQTotal(msg.totalQuestions); setPhase('playing'); break;
case 'question':
setQuestion(msg.question); setQIndex(msg.index); setQTotal(msg.total);
setTimeLimit(msg.timeLimit); setTimeLeft(msg.timeLimit);
setSelected([]); setAnswered(false); setResult(null); setPhase('question'); break;
case 'answer-received': setAnswered(true); break;
case 'time-up': setAnswered(true); clearInterval(timerRef.current); break;
case 'question-result':
setResult(msg); setLeaderboardData(msg.leaderboard); setPhase('result'); clearInterval(timerRef.current); break;
case 'game-end':
setLeaderboardData(msg.leaderboard); setPhase('final'); clearInterval(timerRef.current); break;
case 'error': setError(msg.message); setPhase('error'); break;
}
};
ws.onclose = () => { if (phaseRef.current !== 'final' && phaseRef.current !== 'error') setPhase('disconnected'); };
return () => { clearInterval(timerRef.current); ws.close(); };
}, []);
useEffect(() => {
clearInterval(timerRef.current);
if (phase === 'question' && timeLimit > 0 && !answered) {
const start = Date.now();
timerRef.current = setInterval(() => {
const left = Math.max(0, timeLimit - (Date.now() - start) / 1000);
setTimeLeft(left);
if (left <= 0) clearInterval(timerRef.current);
}, 100);
}
}, [phase, timeLimit, answered]);
const submitAnswer = () => {
if (answered || !wsRef.current) return;
wsRef.current.send(JSON.stringify({ type: 'answer', answers: selected }));
setAnswered(true);
};
const leave = () => { if (wsRef.current) wsRef.current.close(); navigate('home'); };
if (phase === 'error') return (
<div className="min-h-screen flex flex-col items-center justify-center p-6">
<p className="text-red-400 text-xl mb-4"> {error}</p>
<button onClick={() => navigate('join')} className="py-3 px-6 bg-gray-700 rounded-xl">Zurück</button>
</div>
);
if (phase === 'disconnected') return (
<div className="min-h-screen flex flex-col items-center justify-center p-6">
<p className="text-yellow-400 text-xl mb-4">Verbindung verloren</p>
<p className="text-gray-400 mb-4">Du kannst mit demselben Namen wieder beitreten.</p>
<button onClick={() => navigate('join')} className="py-3 px-6 bg-red-600 rounded-xl font-bold">Erneut beitreten</button>
</div>
);
if (phase === 'connecting') return <div className="min-h-screen flex items-center justify-center"><p className="text-xl animate-pulse text-amber-400">Verbinde...</p></div>;
if (phase === 'waiting') return (
<div className="min-h-screen flex flex-col items-center justify-center p-6">
<div className="self-start mb-4"><BackButton onClick={leave} label="Verlassen" /></div>
<h2 className="text-3xl font-bold mb-2"> Warteraum</h2>
<p className="text-gray-400 mb-4">{session?.setName}</p>
<p className="text-lg mb-4">{session?.playerCount || 0} Teilnehmer</p>
<div className="flex flex-wrap gap-2 justify-center max-w-md">
{(session?.players || []).map((n) => (
<span key={n} className={`px-3 py-1 rounded-full text-sm ${n === params.name ? 'bg-red-600' : 'bg-gray-700'}`}>{n}</span>
))}
</div>
<p className="mt-6 text-gray-500 animate-pulse">Warte auf den Start...</p>
</div>
);
if (phase === 'question') return (
<div className="min-h-screen flex flex-col p-4 max-w-2xl mx-auto">
<div className="flex justify-between items-center mb-2">
<BackButton onClick={leave} label="Verlassen" />
<span className="text-sm text-gray-400">Frage {qIndex + 1} / {qTotal}</span>
</div>
{timeLimit > 0 && <Timer timeLeft={timeLeft} total={timeLimit} />}
<h2 className="text-xl font-bold mb-4 text-center">{question?.frage}</h2>
{question?.bild && <img src={question.bild} className="max-h-48 mx-auto rounded-lg mb-4 cursor-pointer" alt="" onClick={() => setEnlargedImg(question.bild)} />}
<AnswerGrid question={question} selected={selected} onToggle={setSelected} disabled={answered} />
{!answered && <button onClick={submitAnswer} disabled={selected.length === 0} className="mt-4 py-3 bg-red-600 hover:bg-red-700 disabled:opacity-40 rounded-xl text-lg font-bold w-full">Antwort senden</button>}
{answered && <p className="mt-4 text-center text-amber-400 animate-pulse"> Antwort gesendet warte auf Ergebnis...</p>}
<ImageModal src={enlargedImg} onClose={() => setEnlargedImg(null)} />
</div>
);
if (phase === 'result') {
const liveFeedback = result ? {
correctKeys: result.correctAnswer || [],
correctText: question?.typ?.toLowerCase() === 'freitext' ? (result.correctAnswer || [])[0] : null,
isCorrect: result.yourResult?.correct,
} : null;
return (
<div className="min-h-screen flex flex-col p-4 max-w-2xl mx-auto">
<div className="text-center text-sm text-gray-400 mb-2">Frage {qIndex + 1} / {qTotal}</div>
<h2 className="text-xl font-bold mb-4 text-center">{question?.frage}</h2>
{question?.bild && <img src={question.bild} className="max-h-36 mx-auto rounded-lg mb-4" alt="" />}
{question && <AnswerGrid question={question} selected={selected} disabled feedback={liveFeedback} />}
<div className={`text-3xl text-center mt-4 font-bold ${result?.yourResult?.correct ? 'text-green-400' : 'text-red-400'}`}>
{result?.yourResult?.correct ? '✅ Richtig!' : '❌ Falsch'}
</div>
<p className="text-xl text-center font-bold mt-1">+{result?.yourResult?.points || 0} Punkte</p>
<p className="text-gray-400 text-center mb-2">Gesamt: {result?.yourResult?.totalScore || 0}</p>
<Leaderboard entries={leaderboardData} highlight={params.name} compact />
<p className="mt-4 text-gray-500 animate-pulse text-center">Warte auf nächste Frage...</p>
</div>
);
}
if (phase === 'final') return (
<div className="min-h-screen flex flex-col items-center justify-center p-4">
<h2 className="text-3xl font-bold mb-6">🏁 Quiz beendet!</h2>
<Leaderboard entries={leaderboardData} highlight={params.name} />
<button onClick={() => navigate('home')} className="mt-6 py-3 px-6 bg-gray-700 hover:bg-gray-600 rounded-xl">Zur Startseite</button>
</div>
);
return null;
}
/* ================================================================== */
/* Solo Select Page */
/* ================================================================== */
function SoloSelectPage({ navigate }) {
const [sets, setSets] = useState([]);
const [name, setName] = useState('');
const [doShuffle, setDoShuffle] = useState(true);
const [error, setError] = useState('');
const [checking, setChecking] = useState(false);
const [progressDialog, setProgressDialog] = useState(null);
useEffect(() => { api.get('/api/sets').then(setSets).catch((e) => setError(e.message)); }, []);
const startSet = async (setId, setName2) => {
if (!name.trim()) return setError('Bitte Name eingeben');
setChecking(true);
setError('');
try {
const progress = await api.get(`/api/progress/${encodeURIComponent(name.trim())}/${setId}`);
if (progress.hasProgress) {
setProgressDialog({ setId, setName: setName2, ...progress });
} else {
navigate('solo-quiz', { setId, setName: setName2, name: name.trim(), shuffle: doShuffle });
}
} catch (e) {
navigate('solo-quiz', { setId, setName: setName2, name: name.trim(), shuffle: doShuffle });
}
setChecking(false);
};
const continueSession = () => {
navigate('solo-quiz', {
setId: progressDialog.setId, setName: progressDialog.setName,
name: name.trim(), shuffle: doShuffle,
continueSessionId: progressDialog.sessionId,
priorAnswers: progressDialog.answers,
});
setProgressDialog(null);
};
const startFresh = () => {
navigate('solo-quiz', {
setId: progressDialog.setId, setName: progressDialog.setName,
name: name.trim(), shuffle: doShuffle,
});
setProgressDialog(null);
};
return (
<div className="min-h-screen flex flex-col items-center p-6 pt-12">
<div className="w-full max-w-md"><BackButton onClick={() => navigate('home')} label="Zurück" /></div>
<h2 className="text-3xl font-bold mb-6 mt-2">📚 Solo-Lernen</h2>
<div className="w-full max-w-md space-y-4">
<input className="w-full p-4 rounded-xl bg-gray-800 text-white text-center text-xl border-2 border-gray-700 focus:border-amber-500 outline-none" placeholder="Dein Name" value={name} onChange={(e) => setName(e.target.value)} />
<label className="flex items-center gap-3 text-gray-300 cursor-pointer">
<input type="checkbox" checked={doShuffle} onChange={() => setDoShuffle(!doShuffle)} className="w-5 h-5 accent-amber-500" />
Fragen mischen
</label>
{error && <p className="text-red-400">{error}</p>}
{progressDialog && (
<div className="bg-gray-800 rounded-xl p-5 border-2 border-amber-500 space-y-3">
<h3 className="font-bold text-lg text-amber-400">📌 Gespeicherter Fortschritt</h3>
<p>{progressDialog.setName}: <strong>{progressDialog.totalAnswered}</strong> / {progressDialog.totalQuestions} Fragen beantwortet</p>
<p className="text-sm text-gray-400">{progressDialog.totalCorrect} davon richtig</p>
<div className="flex gap-3">
<button onClick={continueSession} className="flex-1 py-3 bg-amber-600 hover:bg-amber-700 rounded-xl font-bold">Weitermachen</button>
<button onClick={startFresh} className="flex-1 py-3 bg-gray-600 hover:bg-gray-500 rounded-xl font-bold">Neue Runde</button>
</div>
</div>
)}
{!progressDialog && (
<>
<h3 className="text-lg font-semibold mt-4">Fragenset wählen:</h3>
{sets.length === 0 && <p className="text-gray-500">Keine Fragensets konfiguriert.</p>}
{sets.map((s) => (
<button key={s.id} onClick={() => startSet(s.id, s.name)} disabled={checking}
className="w-full py-4 bg-amber-600 hover:bg-amber-700 disabled:opacity-50 rounded-xl text-lg font-bold transition-all shadow-lg shadow-amber-900/30">
{checking ? 'Prüfe...' : s.name}
</button>
))}
</>
)}
</div>
</div>
);
}
/* ================================================================== */
/* Solo Quiz Page */
/* ================================================================== */
function SoloQuizPage({ params, navigate }) {
const [allQuestions, setAllQuestions] = useState([]);
const [questions, setQuestions] = useState([]);
const [index, setIndex] = useState(0);
const [selected, setSelected] = useState([]);
const [showFeedback, setShowFeedback] = useState(false);
const [isCorrect, setIsCorrect] = useState(false);
const [correctKeys, setCorrectKeys] = useState([]);
const [correctText, setCorrectText] = useState('');
const [results, setResults] = useState([]);
const [priorResults] = useState(params.priorAnswers || []);
const [error, setError] = useState('');
const [enlargedImg, setEnlargedImg] = useState(null);
const [shuffledAnswers, setShuffledAnswers] = useState([]);
const [saving, setSaving] = useState(false);
const sessionId = useRef(params.continueSessionId || 'SOLO-' + Date.now().toString(36).toUpperCase());
const priorIds = useRef(new Set((params.priorAnswers || []).map((a) => a.Frage_ID)));
useEffect(() => {
api.get(`/api/sets/${params.setId}/questions`).then((qs) => {
setAllQuestions(qs);
let remaining = qs.filter((q) => !priorIds.current.has(q.id));
if (params.shuffle && remaining.length > 0) remaining = shuffleArray(remaining);
setQuestions(remaining);
}).catch((e) => setError(e.message));
}, []);
useEffect(() => {
if (questions.length === 0 || index >= questions.length) return;
const q = questions[index];
const answers = [];
['A', 'B', 'C', 'D'].forEach((k) => { if (q[`Antwort ${k}`]) answers.push({ key: k, text: q[`Antwort ${k}`] }); });
setShuffledAnswers(shuffleArray(answers));
}, [index, questions]);
if (error) return <div className="min-h-screen flex items-center justify-center text-red-400 text-xl p-6 text-center">{error}</div>;
if (!questions.length && allQuestions.length > 0) {
const allResults = priorResults.map((a) => ({ Frage_ID: a.Frage_ID, Richtig: a.Richtig, Punkte: a.Punkte }));
return (
<div className="min-h-screen flex flex-col items-center justify-center p-6">
<h2 className="text-2xl font-bold mb-4"> Alle Fragen bereits beantwortet!</h2>
<div className="space-y-3 w-full max-w-sm">
<button onClick={() => navigate('solo-result', { results: allResults, setName: params.setName, name: params.name, questions: allQuestions })}
className="w-full py-3 bg-amber-600 rounded-xl font-bold">Ergebnis anzeigen</button>
<button onClick={() => navigate('solo-quiz', { ...params, continueSessionId: null, priorAnswers: null })}
className="w-full py-3 bg-gray-600 rounded-xl font-bold">Neue Runde starten</button>
<button onClick={() => navigate('home')} className="w-full py-3 text-gray-400 hover:text-white"> Zur Startseite</button>
</div>
</div>
);
}
if (!questions.length) return <div className="min-h-screen flex items-center justify-center animate-pulse text-xl text-amber-400">Lade Fragen...</div>;
const q = questions[index];
const typ = fieldVal(q['Typ'], 'MC').toLowerCase();
const sanitized = {
frage: q['Frage'] || '(Kein Fragetext)',
typ: fieldVal(q['Typ'], 'MC'),
bild: q['Bild'] && Array.isArray(q['Bild']) && q['Bild'].length ? q['Bild'][0].url : null,
antworten: shuffledAnswers,
};
const feedback = showFeedback ? { correctKeys, correctText: typ === 'freitext' ? correctText : null, isCorrect } : null;
const totalProgress = priorIds.current.size + index + 1;
const totalAll = allQuestions.length;
const checkAnswer = () => {
const rawCorrect = (q['Richtige Antwort'] || '').trim();
let correctKeysResolved, ok;
if (typ === 'freitext') {
correctKeysResolved = [];
setCorrectText(rawCorrect);
ok = normalizeText(selected[0]) === normalizeText(rawCorrect);
} else {
// Resolve correct answer: could be keys ("A","B") or text ("Wahr","Falsch")
const parts = rawCorrect.split(',').map((s) => s.trim()).filter(Boolean);
const validKeys = new Set(['A', 'B', 'C', 'D']);
const allAreKeys = parts.length > 0 && parts.every((p) => validKeys.has(p.toUpperCase()));
if (allAreKeys) {
correctKeysResolved = parts.map((p) => p.toUpperCase());
} else {
// Match text against answer options
correctKeysResolved = [];
for (const part of parts) {
const partLower = part.toLowerCase().trim();
// Search in all answers (including shuffled ones which keep their original keys)
const allAnswers = [];
['A', 'B', 'C', 'D'].forEach((k) => {
if (q[`Antwort ${k}`]) allAnswers.push({ key: k, text: q[`Antwort ${k}`] });
});
for (const ans of allAnswers) {
if (ans.text.toLowerCase().trim() === partLower) {
correctKeysResolved.push(ans.key);
break;
}
}
}
// Fallback
if (correctKeysResolved.length === 0) {
correctKeysResolved = parts.map((p) => p.toUpperCase());
}
}
const correctSet = new Set(correctKeysResolved);
const selectedSet = new Set(selected.map((s) => s.toUpperCase()));
ok = correctKeysResolved.length === selectedSet.size && correctKeysResolved.every((c) => selectedSet.has(c));
}
setCorrectKeys(correctKeysResolved);
setIsCorrect(ok);
setShowFeedback(true);
const answerText = selected.map((key) => {
const ans = shuffledAnswers.find((a) => a.key === key);
return ans ? ans.text : key;
}).join(', ');
const answerData = {
Nutzername: params.name, Frage_ID: q.id, Fragenset: params.setName,
Antwort: answerText, Richtig: ok, Punkte: ok ? 1000 : 0,
Session_ID: sessionId.current, Modus: 'Solo', Zeitstempel: new Date().toISOString(),
};
setSaving(true);
api.post('/api/results/single', answerData)
.catch((e) => console.error('Save error:', e))
.finally(() => setSaving(false));
setResults((prev) => [...prev, { Frage_ID: q.id, Richtig: ok, Punkte: ok ? 1000 : 0 }]);
};
const nextQuestion = () => {
if (index + 1 >= questions.length) {
const allResults = [
...priorResults.map((a) => ({ Frage_ID: a.Frage_ID, Richtig: a.Richtig, Punkte: a.Punkte })),
...results,
];
navigate('solo-result', { results: allResults, setName: params.setName, name: params.name, questions: allQuestions });
return;
}
setIndex(index + 1);
setSelected([]);
setShowFeedback(false);
setCorrectKeys([]);
setCorrectText('');
};
return (
<div className="min-h-screen flex flex-col p-4 max-w-2xl mx-auto">
<div className="flex justify-between items-center mb-2">
<BackButton onClick={() => navigate('home')} />
<span className="text-sm text-gray-400">Frage {totalProgress} / {totalAll}</span>
</div>
<div className="w-full bg-gray-700 rounded-full h-2 mb-4">
<div className="bg-amber-500 h-full rounded-full transition-all" style={{ width: `${(totalProgress / totalAll) * 100}%` }} />
</div>
<h2 className="text-xl font-bold mb-4 text-center">{sanitized.frage}</h2>
{sanitized.bild && <img src={sanitized.bild} className="max-h-48 mx-auto rounded-lg mb-4 cursor-pointer" alt="" onClick={() => setEnlargedImg(sanitized.bild)} />}
<AnswerGrid question={sanitized} selected={selected} onToggle={setSelected} disabled={showFeedback} feedback={feedback} />
{!showFeedback && (
<button onClick={checkAnswer} disabled={selected.length === 0} className="mt-4 py-3 bg-amber-600 hover:bg-amber-700 disabled:opacity-40 rounded-xl text-lg font-bold w-full shadow-lg shadow-amber-900/30">Prüfen</button>
)}
{showFeedback && (
<div className="mt-4 text-center space-y-3">
<div className={`text-2xl font-bold ${isCorrect ? 'text-green-400' : 'text-red-400'}`}>
{isCorrect ? '✅ Richtig!' : '❌ Falsch'}
</div>
{saving && <p className="text-gray-500 text-sm animate-pulse">Speichere...</p>}
<button onClick={nextQuestion} disabled={saving} className="w-full py-3 bg-red-600 hover:bg-red-700 disabled:opacity-50 rounded-xl text-lg font-bold shadow-lg shadow-red-900/30">
{index + 1 >= questions.length ? 'Ergebnis anzeigen' : 'Nächste Frage →'}
</button>
</div>
)}
<ImageModal src={enlargedImg} onClose={() => setEnlargedImg(null)} />
</div>
);
}
/* ================================================================== */
/* Solo Result Page */
/* ================================================================== */
function SoloResultPage({ params, navigate }) {
const { results, setName, name, questions } = params;
const total = results.length;
const correct = results.filter((r) => r.Richtig).length;
const pct = total > 0 ? Math.round((correct / total) * 100) : 0;
const qMap = {};
(questions || []).forEach((q) => { qMap[q.id] = q; });
const byCategory = {};
results.forEach((r) => {
const q = qMap[r.Frage_ID];
const cat = fieldVal(q?.['Kategorie'], 'Ohne Kategorie') || 'Ohne Kategorie';
if (!byCategory[cat]) byCategory[cat] = { total: 0, correct: 0 };
byCategory[cat].total++;
if (r.Richtig) byCategory[cat].correct++;
});
return (
<div className="min-h-screen flex flex-col items-center p-6 pt-12">
<h2 className="text-3xl font-bold mb-2">📊 Ergebnis</h2>
<p className="text-gray-400 mb-4">{setName} {name}</p>
<div className={`text-6xl font-extrabold mb-2 ${pct >= 70 ? 'text-green-400' : pct >= 40 ? 'text-yellow-400' : 'text-red-400'}`}>{pct}%</div>
<p className="text-xl mb-6">{correct} / {total} richtig</p>
{Object.keys(byCategory).length > 1 && (
<div className="w-full max-w-md bg-gray-800 rounded-xl p-4 mb-4">
<h3 className="font-bold mb-2">Nach Kategorie:</h3>
{Object.entries(byCategory).map(([cat, v]) => (
<div key={cat} className="flex justify-between py-1 border-b border-gray-700 last:border-0">
<span>{cat}</span>
<span className={v.correct / v.total >= 0.7 ? 'text-green-400' : 'text-red-400'}>{v.correct}/{v.total}</span>
</div>
))}
</div>
)}
<div className="w-full max-w-md space-y-3">
<button onClick={() => navigate('solo-select')} className="w-full py-3 bg-amber-600 hover:bg-amber-700 rounded-xl font-bold shadow-lg shadow-amber-900/30">Nochmal spielen</button>
<button onClick={() => navigate('home')} className="w-full py-3 bg-gray-700 hover:bg-gray-600 rounded-xl font-bold">Zur Startseite</button>
</div>
</div>
);
}
/* ================================================================== */
/* My Results Page */
/* ================================================================== */
function MyResultsPage({ navigate }) {
const [name, setName] = useState('');
const [results, setResults] = useState(null);
const [error, setError] = useState('');
const search = () => {
if (!name.trim()) return;
setError('');
api.get(`/api/results/${encodeURIComponent(name.trim())}`)
.then(setResults).catch((e) => setError(e.message));
};
const sessions = {};
if (results) {
results.forEach((r) => {
const sid = r['Session_ID'] || 'Unbekannt';
if (!sessions[sid]) sessions[sid] = { modus: fieldVal(r['Modus'], ''), fragenset: r['Fragenset'], date: r['Zeitstempel'], answers: [] };
sessions[sid].answers.push(r);
});
}
return (
<div className="min-h-screen flex flex-col items-center p-6 pt-12">
<div className="w-full max-w-md"><BackButton onClick={() => navigate('home')} label="Zurück" /></div>
<h2 className="text-3xl font-bold mb-6 mt-2">📊 Meine Ergebnisse</h2>
<div className="w-full max-w-md space-y-3">
<input className="w-full p-4 rounded-xl bg-gray-800 text-white text-center border-2 border-gray-700 focus:border-red-500 outline-none" placeholder="Dein Name" value={name} onChange={(e) => setName(e.target.value)} onKeyDown={(e) => e.key === 'Enter' && search()} />
<button onClick={search} className="w-full py-3 bg-red-600 hover:bg-red-700 rounded-xl font-bold shadow-lg shadow-red-900/30">Suchen</button>
{error && <p className="text-red-400 text-center">{error}</p>}
</div>
{results && results.length === 0 && <p className="mt-4 text-gray-500">Keine Ergebnisse gefunden.</p>}
{results && results.length > 0 && (
<div className="w-full max-w-md mt-6 space-y-4">
{Object.entries(sessions).reverse().map(([sid, s]) => {
const total = s.answers.length;
const cor = s.answers.filter((a) => {
const v = a['Richtig'];
return v === true || v === 'true' || v === 1;
}).length;
const points = s.answers.reduce((sum, a) => sum + (Number(a['Punkte']) || 0), 0);
return (
<div key={sid} className="bg-gray-800 rounded-xl p-4">
<div className="flex justify-between items-start mb-2">
<div>
<span className={`text-xs px-2 py-0.5 rounded-full text-white ${s.modus === 'Live' ? 'bg-red-600' : 'bg-amber-600'}`}>{s.modus}</span>
<span className="ml-2 font-semibold">{s.fragenset}</span>
</div>
<span className="text-sm text-gray-400">{s.date ? new Date(s.date).toLocaleDateString('de') : ''}</span>
</div>
<p>{cor}/{total} richtig {points.toLocaleString('de')} Punkte</p>
</div>
);
})}
</div>
)}
</div>
);
}
/* ================================================================== */
/* App Router */
/* ================================================================== */
function App() {
const [page, setPage] = useState('home');
const [params, setParams] = useState({});
const navigate = useCallback((p, par = {}) => { setPage(p); setParams(par); window.scrollTo(0, 0); }, []);
switch (page) {
case 'home': return <HomePage navigate={navigate} />;
case 'join': return <JoinPage navigate={navigate} />;
case 'live-play': return <LivePlayPage params={params} navigate={navigate} />;
case 'solo-select': return <SoloSelectPage navigate={navigate} />;
case 'solo-quiz': return <SoloQuizPage params={params} navigate={navigate} />;
case 'solo-result': return <SoloResultPage params={params} navigate={navigate} />;
case 'my-results': return <MyResultsPage navigate={navigate} />;
default: return <HomePage navigate={navigate} />;
}
}
ReactDOM.createRoot(document.getElementById('root')).render(<App />);