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// 切换详情显示/隐藏
toggleDetail.onclick = function(){
    if(resultSection.style.display === 'none'){
        showResult();
        // 中途手动打开：显示关闭按钮
        resultSummaryWrap.classList.remove('no-close');
        toggleDetail.textContent = '隐藏详情';
    }else{
        resultSection.style.display = 'none';
        toggleDetail.textContent = '查看详情';
    }
};

// 关闭详情按钮
closeDetailBtn.onclick = function(){
    resultSection.style.display = 'none';
    toggleDetail.textContent = '查看详情';
};

function shuffle(arr) {
    return [...arr].sort(() => Math.random() - 0.5);
}

function updateStatus() {
    const total = questions.length;
    const done = record.length;
    const wrong = done - correctCount;
    const rate = done === 0 ? 0 : Math.round((correctCount / done) * 100);
    const sec = Math.floor((Date.now() - startTime) / 1000);
    statusBar.innerHTML = `总词数：${total}　已完成：${done}　正确：${correctCount}　错误：${wrong}　正确率：${rate}%　用时：${sec}秒`;
}

function startTimer() {
    timer = setInterval(updateStatus, 1000);
}

function loadQuestion() {
    if (current >= questions.length) {
        clearInterval(timer);
        showFinish();
        showResult();
        toggleDetail.textContent = '隐藏详情';
        // 答题完成自动弹出：隐藏关闭按钮
        resultSummaryWrap.classList.add('no-close');
        return;
    }
    const q = questions[current];
    answered = false;
    questionEl.textContent = q.en;
    const options = shuffle(q.hx);
    optionsEl.innerHTML = '';
    options.forEach(opt => {
        const div = document.createElement('div');
        div.className = 'option';
        div.textContent = opt;
        div.onclick = () => checkAnswer(div, opt);
        optionsEl.appendChild(div);
    });
}

function checkAnswer(el, value) {
    if (answered) return;
    answered = true;
    const q = questions[current];
    const all = document.querySelectorAll('.option');
    all.forEach(o => o.classList.add('disabled'));
    let isCorrect = false;

    if (value === q.cn) {
        el.classList.add('correct');
        correctCount++;
        isCorrect = true;
        correctAudio.currentTime = 0;
        correctAudio.play();
    } else {
        el.classList.add('wrong');
        all.forEach(o => {
            if (o.textContent === q.cn) o.classList.add('correct');
        });
        wrongAudio.currentTime = 0;
        wrongAudio.play();
    }

    record.push({ en: q.en, cn: q.cn, user: value, isCorrect, hx: q.hx });
    updateStatus();
    setTimeout(() => {
        current++;
        loadQuestion();
    }, 800);
}

function showFinish() {
    quizBox.style.display = 'none';
    finishBox.style.display = 'block';

    const wrongList = record.filter(item => !item.isCorrect);
    wrongDataBox.value = JSON.stringify(wrongList);

    finishBox.innerHTML = `
        <div class="finish-title">🎉 答题完成！</div>
        <div class="btn-group">
            <button class="restart-btn" id="restartBtn">重新答题</button>
            <button class="wrong-btn" id="goWrongBtn">错题重练</button>
        </div>
    `;
    document.getElementById('restartBtn').onclick = resetQuiz;
    document.getElementById('goWrongBtn').onclick = submitWrongQuiz;
}

function submitWrongQuiz() {
    const wrongData = wrongDataBox.value.trim();
    if (!wrongData || wrongData === '[]') {
        alert('恭喜你，没有错题！');
        return;
    }
    let wjmName = window.location.pathname.substring(window.location.pathname.lastIndexOf('/') + 1).split('.')[0];
    document.getElementById('wrongData').value = wrongData;
    document.getElementById('wjmName').value = wjmName;
    document.getElementById('wrongForm').submit();
}

function resetQuiz() {
    current = 0;
    correctCount = 0;
    record = [];
    answered = false;
    startTime = Date.now();
    questions = shuffle([...wordList]);
    finishBox.style.display = 'none';
    resultSection.style.display = 'none';
    toggleDetail.textContent = '查看详情';
    quizBox.style.display = 'block';
    clearInterval(timer);
    startTimer();
    updateStatus();
    loadQuestion();
}

function showResult() {
    const total = questions.length;
    const done = record.length;
    const wrong = done - correctCount;
    const rate = done === 0 ? 0 : Math.round((correctCount / done) * 100);
    const sec = Math.floor((Date.now() - startTime) / 1000);
    resultStats.innerHTML = `总题数：${total} | 正确：${correctCount} | 错误：${wrong} | 正确率：${rate}% | 用时：${sec}秒`;
    resultSection.style.display = 'block';
    renderDetail('all');
}

function renderDetail(type) {
    detailList.innerHTML = '';
    let list = type === 'wrong' ? record.filter(i => !i.isCorrect) : record;
    if (list.length === 0) {
        detailList.innerHTML = `<div style="text-align:center;padding:20px;">暂无数据</div>`;
        return;
    }
    list.forEach((item, i) => {
        const dom = document.createElement('div');
        dom.className = 'detail-item';
        dom.innerHTML = `
            <div class="detail-en">${i+1}. ${item.en}</div>
            <div>你的答案：${item.user}</div>
            <div>正确答案：${item.cn}</div>
            <div class="${item.isCorrect ? 'detail-correct' : 'detail-wrong'}">
                ${item.isCorrect ? '✓ 正确' : '✗ 错误'}
            </div>
        `;
        detailList.appendChild(dom);
    });
}

tabs.forEach(t => {
    t.onclick = () => {
        tabs.forEach(x => x.classList.remove('active'));
        t.classList.add('active');
        renderDetail(t.dataset.tab);
    };
});

startTimer();
updateStatus();
loadQuestion();


window.addEventListener('DOMContentLoaded', function() {
    try {
      const savedData = localStorage.getItem('wordCardGlobalState');
      if (!savedData) return;
      const config = JSON.parse(savedData);
      const dclist = config.dclist || '';
      const idArray = dclist.split(',');
      if (idArray.length === 0) return;
      const randomIndex = Math.floor(Math.random() * idArray.length);
      const randomId = idArray[randomIndex].trim();

      
      const plink = document.getElementById('pcard');
      if (plink) {
         plink.href = `/p/${randomId}.html`;
      }
      const mlink = document.getElementById('mcard');
      if (mlink) {
         mlink.href = `/p/${randomId}.html`;
      }
    } catch (err) {}
});

</script>
</body>
</html>