All cards (EN/DE/native) now have min-h-[48px] for consistent height. Progress bar shows "4/12" count next to the fill bar. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
299 lines
13 KiB
TypeScript
299 lines
13 KiB
TypeScript
'use client'
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import React, { useState, useEffect, useCallback, useMemo } from 'react'
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import { useParams, useRouter } from 'next/navigation'
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import { useTheme } from '@/lib/ThemeContext'
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import { useNativeLanguage } from '@/lib/useNativeLanguage'
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import { StarRating, accuracyToStars } from '@/components/gamification/StarRating'
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import { AudioButton } from '@/components/learn/AudioButton'
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interface QAItem {
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id: string; question: string; answer: string
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translations?: Record<string, any>
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}
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function getApiBase() { return '' }
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export default function MatchPage() {
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const { unitId } = useParams<{ unitId: string }>()
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const router = useRouter()
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const { isDark } = useTheme()
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const { t, wordInNative, nativeLang, isThirdLanguage } = useNativeLanguage()
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const [allItems, setAllItems] = useState<QAItem[]>([])
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const [isLoading, setIsLoading] = useState(true)
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const [round, setRound] = useState(0)
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const [selectedLeft, setSelectedLeft] = useState<string | null>(null)
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const [matched, setMatched] = useState<Set<string>>(new Set())
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const [wrongPair, setWrongPair] = useState<string | null>(null)
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const [firstTryCorrect, setFirstTryCorrect] = useState(0)
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const [retryCorrect, setRetryCorrect] = useState(0)
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const [errors, setErrors] = useState(0)
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const [failedIds, setFailedIds] = useState<Set<string>>(new Set())
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const [flashNative, setFlashNative] = useState<string | null>(null)
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const [isComplete, setIsComplete] = useState(false)
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const glassCard = isDark
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? 'bg-white/10 backdrop-blur-xl border border-white/10'
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: 'bg-white/80 backdrop-blur-xl border border-black/5'
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useEffect(() => {
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(async () => {
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try {
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const resp = await fetch(`${getApiBase()}/api/learning-units/${unitId}/qa`)
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if (resp.ok) { const d = await resp.json(); setAllItems(d.qa_items || []) }
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} catch {} finally { setIsLoading(false) }
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})()
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}, [unitId])
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const roundItems = useMemo(() => {
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const start = round * 6
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return allItems.slice(start, start + 6)
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}, [allItems, round])
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const shuffledRight = useMemo(() => {
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return [...roundItems].sort(() => Math.random() - 0.5)
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}, [roundItems])
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const handleLeftTap = useCallback((item: QAItem) => {
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if (matched.has(item.id)) return
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setSelectedLeft(item.id === selectedLeft ? null : item.id)
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setWrongPair(null)
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// Flash native translation briefly
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if (isThirdLanguage && item.id !== selectedLeft) {
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const native = wordInNative(item.translations)
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if (native) {
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setFlashNative(native)
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setTimeout(() => setFlashNative(null), 2000)
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}
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}
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}, [selectedLeft, matched, isThirdLanguage, wordInNative])
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const handleRightTap = useCallback((id: string) => {
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if (!selectedLeft || matched.has(id)) return
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if (selectedLeft === id) {
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// Correct
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setMatched(prev => new Set([...prev, id]))
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if (failedIds.has(id)) {
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setRetryCorrect(c => c + 1)
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} else {
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setFirstTryCorrect(c => c + 1)
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}
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setSelectedLeft(null)
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setFlashNative(null)
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if (matched.size + 1 >= roundItems.length) {
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const nextStart = (round + 1) * 6
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if (nextStart >= allItems.length) {
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setTimeout(() => setIsComplete(true), 500)
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} else {
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setTimeout(() => {
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setRound(r => r + 1)
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setMatched(new Set())
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setSelectedLeft(null)
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}, 800)
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}
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}
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} else {
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// Wrong
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setWrongPair(id)
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setErrors(e => e + 1)
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setFailedIds(prev => new Set([...prev, selectedLeft]))
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setTimeout(() => {
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setWrongPair(null)
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setSelectedLeft(null)
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setFlashNative(null)
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}, 600)
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}
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}, [selectedLeft, matched, roundItems, round, allItems, failedIds])
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const restart = () => {
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setRound(0)
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setMatched(new Set())
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setFirstTryCorrect(0)
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setRetryCorrect(0)
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setErrors(0)
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setFailedIds(new Set())
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setIsComplete(false)
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setSelectedLeft(null)
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}
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if (isLoading) {
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return <div className="flex items-center justify-center py-20">
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<div className="w-8 h-8 border-4 border-indigo-400 border-t-transparent rounded-full animate-spin" />
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</div>
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}
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const totalPairs = allItems.length
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const matchedTotal = round * 6 + matched.size
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const isPerfect = isComplete && errors === 0
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return (
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<>
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{/* Header */}
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<div className={`${glassCard} border-0 border-b`}>
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<div className="max-w-3xl mx-auto px-6 py-4 flex items-center justify-between">
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<button onClick={() => router.push('/learn')} className={`flex items-center gap-2 text-sm ${isDark ? 'text-white/60 hover:text-white' : 'text-slate-500 hover:text-slate-900'}`}>
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<svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 19l-7-7 7-7" /></svg>
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{t('back')}
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</button>
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<h1 className={`text-lg font-bold ${isDark ? 'text-white' : 'text-slate-900'}`}>{t('match')}</h1>
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<div className={`text-xs ${isDark ? 'text-white/50' : 'text-slate-500'}`}>
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<span className="text-green-400">✓{firstTryCorrect}</span>{' '}
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<span className="text-yellow-400">↻{retryCorrect}</span>{' '}
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<span className="text-red-400">✗{errors}</span>
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</div>
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</div>
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</div>
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{/* Progress bar with count */}
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<div className="max-w-3xl mx-auto w-full px-6 pt-3">
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<div className="flex items-center gap-3">
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<div className={`flex-1 h-2 rounded-full ${isDark ? 'bg-white/10' : 'bg-slate-200'}`}>
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<div className="h-full rounded-full bg-gradient-to-r from-indigo-500 to-violet-500 transition-all" style={{ width: `${(matchedTotal / Math.max(totalPairs, 1)) * 100}%` }} />
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</div>
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<span className={`text-xs font-medium tabular-nums ${isDark ? 'text-white/50' : 'text-slate-400'}`}>
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{matchedTotal}/{totalPairs}
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</span>
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</div>
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</div>
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{/* Native flash overlay */}
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{flashNative && (
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<div className="fixed top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 z-50 pointer-events-none">
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<div className={`px-8 py-4 rounded-2xl text-2xl font-bold animate-pulse ${isDark ? 'bg-cyan-500/30 text-cyan-200 backdrop-blur-xl' : 'bg-cyan-100 text-cyan-800'}`}>
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{flashNative}
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</div>
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</div>
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)}
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<div className="flex-1 flex items-center justify-center px-6 py-8">
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{isComplete ? (
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<div className={`${glassCard} rounded-3xl p-10 text-center max-w-md w-full`}>
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<StarRating stars={isPerfect ? 3 : accuracyToStars(firstTryCorrect, totalPairs)} size="lg" animated />
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<h2 className={`text-2xl font-bold mt-4 mb-2 ${isDark ? 'text-white' : 'text-slate-900'}`}>
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{isPerfect ? t('well_done') : t('all_matched')}
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</h2>
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<div className={`flex justify-center gap-6 mb-4 text-sm ${isDark ? 'text-white/70' : 'text-slate-600'}`}>
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<div><span className="text-green-400 font-bold text-lg">{firstTryCorrect}</span><br/>{t('correct')}</div>
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<div><span className="text-yellow-400 font-bold text-lg">{retryCorrect}</span><br/>2. Versuch</div>
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<div><span className="text-red-400 font-bold text-lg">{errors}</span><br/>{t('errors')}</div>
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</div>
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{!isPerfect && (
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<p className={`text-xs mb-4 ${isDark ? 'text-white/40' : 'text-slate-400'}`}>
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{isThirdLanguage
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? (nativeLang === 'tr' ? 'Tam puan icin hatasiz tamamlayin' : 'Fuer volle Punkte fehlerfrei abschliessen')
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: 'Fuer volle Punkte fehlerfrei abschliessen'}
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</p>
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)}
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<div className="flex gap-3">
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<button onClick={restart} className="flex-1 py-3 rounded-xl bg-gradient-to-r from-indigo-500 to-violet-500 text-white font-medium">
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{t('again')}
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</button>
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<button onClick={() => router.push('/learn')} className={`flex-1 py-3 rounded-xl border font-medium ${isDark ? 'border-white/20 text-white/80' : 'border-slate-300 text-slate-700'}`}>
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{t('back')}
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</button>
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</div>
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</div>
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) : (
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<div className="w-full max-w-3xl">
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{/* Column headers */}
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<div className={`grid ${isThirdLanguage ? 'grid-cols-3' : 'grid-cols-2'} gap-4 mb-3`}>
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<p className={`text-xs font-medium text-center ${isDark ? 'text-white/40' : 'text-slate-400'}`}>{t('english')}</p>
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<p className={`text-xs font-medium text-center ${isDark ? 'text-white/40' : 'text-slate-400'}`}>{t('german')}</p>
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{isThirdLanguage && (
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<p className={`text-xs font-medium text-center ${isDark ? 'text-cyan-300/50' : 'text-cyan-600'}`}>{nativeLang.toUpperCase()}</p>
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)}
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</div>
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{/* Grid */}
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<div className={`grid ${isThirdLanguage ? 'grid-cols-3' : 'grid-cols-2'} gap-4`}>
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{/* Left: English (click to select, no sound) */}
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<div className="space-y-2">
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{roundItems.map(item => (
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<div
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key={`l-${item.id}`}
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className={`flex items-center gap-2 p-3 min-h-[48px] rounded-xl border-2 text-sm font-medium transition-all ${
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matched.has(item.id)
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? 'opacity-30 border-green-400 bg-green-500/10'
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: selectedLeft === item.id
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? (isDark ? 'border-blue-400 bg-blue-500/20 text-white' : 'border-blue-500 bg-blue-50 text-blue-900')
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: (isDark ? 'border-white/20 bg-white/5 text-white' : 'border-slate-200 bg-white text-slate-900')
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}`}
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>
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<button
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onClick={() => handleLeftTap(item)}
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disabled={matched.has(item.id)}
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className="flex-1 text-left hover:opacity-80"
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>
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{item.question}
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</button>
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{!matched.has(item.id) && (
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<AudioButton text={item.question} lang="en" isDark={isDark} size="sm" />
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)}
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</div>
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))}
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</div>
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{/* Middle: German (click to match + sound) */}
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<div className="space-y-2">
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{shuffledRight.map(item => (
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<div
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key={`r-${item.id}`}
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className={`flex items-center gap-2 p-3 min-h-[48px] rounded-xl border-2 text-sm font-medium transition-all ${
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matched.has(item.id)
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? 'opacity-30 border-green-400 bg-green-500/10'
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: wrongPair === item.id
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? (isDark ? 'border-red-400 bg-red-500/20 text-red-200 animate-pulse' : 'border-red-500 bg-red-50 text-red-800 animate-pulse')
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: (isDark ? 'border-white/20 bg-white/5 text-white' : 'border-slate-200 bg-white text-slate-900')
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}`}
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>
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<button
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onClick={() => handleRightTap(item.id)}
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disabled={matched.has(item.id) || !selectedLeft}
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className="flex-1 text-left hover:opacity-80"
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>
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{item.answer}
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</button>
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{!matched.has(item.id) && (
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<AudioButton text={item.answer} lang="de" isDark={isDark} size="sm" />
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)}
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</div>
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))}
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</div>
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{/* Right: Native language (display only + sound) */}
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{isThirdLanguage && (
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<div className="space-y-2">
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{roundItems.map(item => {
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const native = wordInNative(item.translations)
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return (
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<div
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key={`n-${item.id}`}
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className={`flex items-center gap-2 p-3 min-h-[48px] rounded-xl border text-sm transition-all ${
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matched.has(item.id)
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? 'opacity-30 border-green-400/30 bg-green-500/5'
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: selectedLeft === item.id
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? (isDark ? 'border-cyan-400/50 bg-cyan-500/10 text-cyan-200' : 'border-cyan-500/50 bg-cyan-50 text-cyan-800')
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: (isDark ? 'border-white/10 bg-white/3 text-white/50' : 'border-slate-100 bg-slate-50/50 text-slate-400')
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}`}
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>
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<span className="flex-1">{native || '—'}</span>
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{native && !matched.has(item.id) && (
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<AudioButton text={native} lang={nativeLang as 'en' | 'de'} isDark={isDark} size="sm" />
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)}
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</div>
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)
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})}
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</div>
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)}
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</div>
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</div>
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)}
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</div>
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</>
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)
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}
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