Прохождение теста: один вопрос на экран, прогресс сверху, мобильная вёрстка
Made-with: Cursor
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Константин Лебединский
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/**
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* Прохождение теста: один вопрос на экран, прогресс сверху.
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*/
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(() => {
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const root = document.getElementById('attempt-root');
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if (!root) return;
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const testId = root.dataset.testId;
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const attemptId = root.dataset.attemptId;
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const flowEl = document.getElementById('attempt-flow');
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const titleEl = document.getElementById('attempt-title');
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const subEl = document.getElementById('attempt-subtitle');
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const timerEl = document.getElementById('attempt-timer');
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const errEl = document.getElementById('attempt-error');
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const stageEl = document.getElementById('attempt-stage');
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const progressLabel = document.getElementById('attempt-progress-label');
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const progressFill = document.getElementById('attempt-progress-fill');
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const progressTrack = document.querySelector('.attempt-progress-track');
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const btnPrev = document.getElementById('attempt-prev');
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const btnNext = document.getElementById('attempt-next');
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const btnFinish = document.getElementById('attempt-finish');
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const resultEl = document.getElementById('attempt-result');
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const hintModal = document.getElementById('hint-modal');
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const hintVerdict = document.getElementById('hint-verdict');
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const hintCorrect = document.getElementById('hint-correct');
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const hintExplanation = document.getElementById('hint-explanation');
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const hintCloseBtn = document.getElementById('hint-close-btn');
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let playData = null;
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const selections = {};
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const checked = {};
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let timerHandle = null;
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let deadlineMs = null;
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let currentIdx = 0;
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function esc(s) {
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return String(s ?? '').replace(/[&<>"']/g, (m) => ({
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'&': '&', '<': '<', '>': '>', '"': '"', "'": ''',
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}[m]));
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}
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function setErr(msg) {
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errEl.textContent = msg || 'Ошибка.';
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errEl.style.display = msg ? 'block' : 'none';
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}
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function isSelected(qid, oid) {
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return (selections[String(qid)] || []).includes(String(oid));
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}
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function toggle(qid, oid, multi) {
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const k = String(qid);
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const cur = selections[k] || [];
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const id = String(oid);
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if (multi) {
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selections[k] = cur.includes(id) ? cur.filter((x) => x !== id) : [...cur, id];
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return;
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}
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selections[k] = [id];
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}
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function isImmediate() {
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return playData && playData.resultMode === 'immediate';
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}
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function stepAnswered(q) {
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const k = String(q.id);
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if (isImmediate()) return !!checked[k];
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return (selections[k] || []).length > 0;
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}
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function allAnswered() {
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return (playData.questions || []).every((q) => stepAnswered(q));
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}
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function updateProgress() {
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const qs = playData.questions || [];
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const total = qs.length;
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const n = Math.min(currentIdx + 1, Math.max(total, 1));
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if (progressLabel) progressLabel.textContent = `${n} из ${total}`;
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const pct = total <= 1 ? 100 : ((currentIdx + 1) / total) * 100;
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if (progressFill) progressFill.style.width = `${pct}%`;
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if (progressTrack) {
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progressTrack.setAttribute('aria-valuenow', String(n));
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progressTrack.setAttribute('aria-valuemax', String(total));
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}
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}
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function renderStep() {
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const qs = playData.questions || [];
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const total = qs.length;
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const q = qs[currentIdx];
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stageEl.innerHTML = '';
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if (!q) return;
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updateProgress();
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const card = document.createElement('article');
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card.className = 'attempt-q-card surface-card';
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card.dataset.qid = String(q.id);
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const qid = String(q.id);
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const isChk = !!checked[qid];
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const meta = document.createElement('div');
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meta.className = 'attempt-q-card__meta';
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meta.innerHTML = `<span class="attempt-q-num">Вопрос ${currentIdx + 1}</span>`;
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card.appendChild(meta);
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const textP = document.createElement('div');
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textP.className = 'attempt-q-text';
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let badge = '';
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if (isChk) {
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const ok = checked[qid].isCorrect;
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badge = `<span class="attempt-q-badge ${ok ? 'attempt-q-badge--ok' : 'attempt-q-badge--bad'}">${ok ? '✓ верно' : '✗ неверно'}</span>`;
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}
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textP.innerHTML = esc(q.text) + badge;
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card.appendChild(textP);
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const ul = document.createElement('ul');
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ul.className = 'attempt-q-options';
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const correctSet = new Set((checked[qid] && checked[qid].correctOptionIds) || []);
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for (const o of (q.options || [])) {
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const oid = String(o.id);
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const row = document.createElement('li');
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row.className = 'attempt-opt-row';
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const type = q.hasMultipleAnswers ? 'checkbox' : 'radio';
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const name = `q-${q.id}`;
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let mark = '';
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if (isChk) {
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if (correctSet.has(oid)) mark = ' <span class="attempt-mark attempt-mark--ok">верно</span>';
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else if (isSelected(q.id, o.id)) mark = ' <span class="attempt-mark attempt-mark--bad">ваш ответ</span>';
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}
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row.innerHTML =
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`<label class="attempt-opt-label ${isChk ? 'attempt-opt-label--locked' : ''}">`
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+ `<input type="${type}" ${q.hasMultipleAnswers ? '' : `name="${esc(name)}"`} class="attempt-opt-input" />`
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+ `<span class="attempt-opt-text">${esc(o.text)}${mark}</span>`
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+ '</label>';
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const input = row.querySelector('input');
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if (isSelected(q.id, o.id)) input.checked = true;
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if (isChk) input.disabled = true;
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input.addEventListener('change', () => {
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if (checked[qid]) return;
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toggle(q.id, o.id, q.hasMultipleAnswers);
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renderStep();
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});
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ul.appendChild(row);
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}
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card.appendChild(ul);
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if (isImmediate() && !isChk) {
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const wrap = document.createElement('div');
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wrap.className = 'attempt-answer-actions';
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const btn = document.createElement('button');
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btn.type = 'button';
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btn.className = 'btn btn-primary attempt-reply-btn';
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btn.textContent = 'Ответить';
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const sel = selections[qid] || [];
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btn.disabled = sel.length === 0;
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btn.addEventListener('click', () => checkOne(q.id));
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wrap.appendChild(btn);
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card.appendChild(wrap);
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}
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stageEl.appendChild(card);
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updateNav();
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}
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function updateNav() {
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const qs = playData.questions || [];
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const total = qs.length;
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const q = qs[currentIdx];
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if (!q) return;
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const ok = stepAnswered(q);
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btnPrev.disabled = currentIdx <= 0;
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btnPrev.toggleAttribute('hidden', currentIdx <= 0);
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const last = currentIdx >= total - 1;
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btnNext.style.display = last ? 'none' : '';
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btnFinish.style.display = last ? '' : 'none';
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if (last) {
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btnFinish.disabled = !allAnswered();
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} else {
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btnNext.disabled = !ok;
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}
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}
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async function checkOne(qid) {
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const k = String(qid);
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const sel = selections[k] || [];
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if (!sel.length) return;
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try {
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const r = await fetch(`/api/tests/${testId}/attempts/${attemptId}/check`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ questionId: qid, selectedOptionIds: sel }),
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});
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const data = await r.json().catch(() => ({}));
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if (!r.ok) throw new Error(data.error || 'Не удалось проверить ответ.');
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checked[k] = data;
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renderStep();
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if (playData.hintsEnabled) {
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showHint(data);
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}
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} catch (e) {
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setErr(e.message);
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}
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}
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function showHint(data) {
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hintVerdict.textContent = data.isCorrect ? 'Верно!' : 'Неверно.';
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hintVerdict.className = `attempt-hint-verdict ${data.isCorrect ? 'attempt-hint-verdict--ok' : 'attempt-hint-verdict--bad'}`;
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const correct = (data.correctOptionTexts || []).join('; ');
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hintCorrect.textContent = correct ? (`Правильный ответ: ${correct}`) : '';
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hintExplanation.textContent = data.explanation || 'Объяснение недоступно.';
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if (typeof hintModal.showModal === 'function') hintModal.showModal();
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else hintModal.setAttribute('open', '');
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}
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hintCloseBtn.addEventListener('click', () => {
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if (typeof hintModal.close === 'function') hintModal.close();
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else hintModal.removeAttribute('open');
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});
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btnPrev.addEventListener('click', () => {
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if (currentIdx <= 0) return;
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currentIdx -= 1;
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renderStep();
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});
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btnNext.addEventListener('click', () => {
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const total = (playData.questions || []).length;
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if (currentIdx >= total - 1) return;
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currentIdx += 1;
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renderStep();
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});
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btnFinish.addEventListener('click', () => submit(false));
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function startTimer(minutes) {
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if (!minutes || minutes <= 0) return;
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deadlineMs = Date.now() + minutes * 60 * 1000;
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timerEl.style.display = '';
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const tick = () => {
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const left = Math.max(0, deadlineMs - Date.now());
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const m = Math.floor(left / 60000);
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const s = Math.floor((left % 60000) / 1000);
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timerEl.textContent = `Осталось ${m}:${String(s).padStart(2, '0')}`;
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if (left <= 0) {
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clearInterval(timerHandle);
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submit(true);
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}
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};
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tick();
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timerHandle = setInterval(tick, 500);
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}
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async function load() {
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try {
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const r = await fetch(`/api/tests/${testId}/attempts/${attemptId}/play`);
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const data = await r.json().catch(() => ({}));
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if (!r.ok) throw new Error(data.error || 'Не удалось открыть попытку.');
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playData = data;
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titleEl.textContent = data.testTitle || 'Прохождение теста';
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const parts = [`Порог зачёта ${data.passingThreshold ?? 0}%`];
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if (data.resultMode === 'immediate') parts.push('обратная связь после каждого ответа');
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if (data.hintsEnabled) parts.push('с подсказками');
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subEl.textContent = parts.join(' · ');
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if (!Array.isArray(data.questions) || !data.questions.length) {
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setErr('В активной версии нет вопросов.');
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btnNext.disabled = true;
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btnFinish.disabled = true;
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return;
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}
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currentIdx = 0;
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renderStep();
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if (data.timeLimit) startTimer(Number(data.timeLimit));
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} catch (e) {
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setErr(e.message);
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btnFinish.disabled = true;
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}
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}
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async function submit(auto) {
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btnFinish.disabled = true;
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btnNext.disabled = true;
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btnPrev.disabled = true;
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const label = auto ? 'Время вышло…' : 'Отправка…';
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btnFinish.textContent = label;
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try {
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const r = await fetch(`/api/tests/${testId}/attempts/${attemptId}/submit`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ answers: selections }),
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});
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const data = await r.json().catch(() => ({}));
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if (!r.ok) throw new Error(data.error || 'Не удалось завершить попытку.');
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if (timerHandle) clearInterval(timerHandle);
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timerEl.style.display = 'none';
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if (flowEl) flowEl.style.display = 'none';
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resultEl.style.display = '';
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resultEl.innerHTML =
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`<h3 class="attempt-result-title font-headline">Результат</h3>`
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+ `<p>Правильно: <strong>${data.correctCount}</strong> из ${data.totalQuestions}`
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+ ` (${data.percent}%). Порог: ${data.passingThreshold}%.</p>`
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+ `<p class="${data.passed ? 'attempt-passed' : 'attempt-failed'}">${data.passed ? 'Зачёт' : 'Незачёт'}</p>`
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+ `<p><a class="link-back" href="/tests/${testId}/attempts/${data.attemptId}/review">Разбор попытки</a></p>`;
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} catch (e) {
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setErr(e.message);
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btnFinish.disabled = false;
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btnFinish.textContent = 'Завершить тест';
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btnPrev.disabled = false;
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btnNext.disabled = false;
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if (playData) updateNav();
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}
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}
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load();
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})();
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