mytodo/index.html at main · laswy/mytodo · GitHub

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<!DOCTYPE html>
<html lang="vi">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>Quản lý công việc - Xuất/Nhập dữ liệu cục bộ</title>
  <style>
    :root {
      --bg: #f6f7f9;
      --card: #ffffff;
      --text: #1f2937;
      --muted: #6b7280;
      --primary: #2563eb;
      --danger: #dc2626;
      --ring: rgba(37, 99, 235, 0.2);
    }
    body.dark-mode {
      --bg: #0b1220;
      --card: #111827;
      --text: #e5e7eb;
      --muted: #9ca3af;
      --primary: #3b82f6;
      --danger: #ef4444;
      --ring: rgba(59, 130, 246, 0.2);
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, "Helvetica Neue", "Noto Sans", "Liberation Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
      background: var(--bg);
      color: var(--text);
      line-height: 1.5;
    }
    .container {
      max-width: 960px;
      margin: 24px auto;
      padding: 0 16px;
    }
    .card {
      background: var(--card);
      border-radius: 16px;
      box-shadow: 0 8px 28px rgba(0,0,0,0.08);
      padding: 16px;
      border: 1px solid rgba(0,0,0,0.06);
    }
    .header {
      display: flex; align-items: center; gap: 12px;
      justify-content: space-between;
      margin-bottom: 16px;
    }
    .title {
      margin: 0;
      font-size: 20px;
      font-weight: 700;
      letter-spacing: .2px;
    }
    .actions {
      display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
    }
    .io-buttons { display:flex; gap:8px; align-items:center; }
    .btn, .io-btn, .dark-mode-toggle {
      background: var(--primary);
      color: #fff;
      border: none;
      padding: 10px 12px;
      border-radius: 10px;
      cursor: pointer;
      font-size: 14px;
      transition: transform .06s ease, filter .2s ease, box-shadow .2s ease;
      box-shadow: 0 2px 0 rgba(0,0,0,0.1);
    }
    .btn:hover, .io-btn:hover, .dark-mode-toggle:hover { filter: brightness(0.94); }
    .btn:active, .io-btn:active, .dark-mode-toggle:active { transform: translateY(1px); }
    .btn-outline {
      background: transparent;
      color: var(--text);
      border: 1px solid rgba(0,0,0,0.15);
    }
    body.dark-mode .btn-outline { border-color: rgba(255,255,255,0.15); }
    .danger { background: var(--danger); }
    .io-btn { background:#6c757d; }
    body.dark-mode .io-btn { background:#4b5563; }
    .import-label { display:inline-flex; align-items:center; gap:6px; padding:10px 12px; }
    input[type="text"] {
      width: 100%;
      padding: 12px 14px;
      border-radius: 10px;
      border: 1px solid rgba(0,0,0,0.12);
      background: var(--card);
      color: var(--text);
      font-size: 14px;
      outline: none;
      transition: box-shadow .15s ease, border-color .15s ease;
    }
    input[type="text"]:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px var(--ring);
    }
    .row { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-bottom: 10px; }
    .muted { color: var(--muted); font-size: 13px; }
    .stats {
      display: flex; gap: 16px; align-items: center; flex-wrap: wrap;
      padding: 10px 12px; border-radius: 12px;
      background: rgba(0,0,0,0.03);
    }
    body.dark-mode .stats { background: rgba(255,255,255,0.04); }
    ul.tasks {
      list-style: none;
      padding: 0; margin: 0;
    }
    .task {
      display: grid; grid-template-columns: auto 1fr auto; gap: 10px;
      align-items: center;
      padding: 10px 12px;
      border-radius: 10px;
      border: 1px solid rgba(0,0,0,0.08);
      background: var(--card);
      margin-bottom: 8px;
    }
    .task.done .name { text-decoration: line-through; opacity: .65; }
    .name { font-weight: 600; }
    .small { font-size: 12px; color: var(--muted); }
    .chip {
      display:inline-block; padding: 2px 8px; border-radius: 999px;
      background: rgba(37,99,235,0.1); color: var(--primary);
      font-size: 12px; font-weight: 600;
    }
    .toast {
      position: fixed;
      left: 50%; bottom: 20px; transform: translateX(-50%);
      background: var(--card); color: var(--text);
      border: 1px solid rgba(0,0,0,0.08);
      padding: 10px 14px;
      border-radius: 10px;
      box-shadow: 0 8px 28px rgba(0,0,0,0.12);
      opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease;
    }
    .toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }
    .footer {
      margin-top: 18px; display:flex; justify-content: space-between; align-items: center; gap: 8px;
      flex-wrap: wrap;
    }
    code.kv { background: rgba(0,0,0,0.04); padding: 2px 6px; border-radius: 6px; }
    body.dark-mode code.kv { background: rgba(255,255,255,0.06); }
  </style>
</head>
<body>
  <div class="container">
    <div class="card">
      <div class="header">
        <h1 class="title">📋 QUẢN LÝ CÔNG VIỆC</h1>
        <div class="actions">
          <div class="io-buttons">
            <button class="io-btn" onclick="exportData()">⬇️ Xuất dữ liệu</button>
            <label class="io-btn import-label" title="Nhập từ file JSON đã xuất">
              ⬆️ Nhập dữ liệu
              <input type="file" id="importFile" accept="application/json" onchange="importDataFromFile(event)" hidden>
            </label>
          </div>
          <button class="dark-mode-toggle btn-outline" onclick="toggleDarkMode()">☀️/🌙</button>
        </div>
      </div>

      <div class="row">
        <input id="taskInput" type="text" placeholder="Nhập công việc và nhấn Thêm... (vd: Kiểm tra đơn hàng #1257)"/>
        <button class="btn" onclick="addTask()">Thêm</button>
      </div>

      <div class="stats">
        <div><span class="chip"><span id="countAll">0</span> việc</span></div>
        <div class="muted">Hoàn thành: <strong id="countDone">0</strong> • Còn lại: <strong id="countTodo">0</strong></div>
        <div class="muted">Lần lưu gần nhất: <span id="lastSavedText">—</span></div>
        <div style="margin-left:auto; display:flex; gap:8px;">
          <button class="btn-outline" onclick="clearCompleted()">Xoá việc đã xong</button>
        </div>
      </div>

      <ul id="taskList" class="tasks" style="margin-top: 12px;"></ul>

      <div class="footer muted">
        <div>🗃️ Dữ liệu lưu cục bộ bằng <code class="kv">localStorage</code> với các khóa <code class="kv">myTasks</code>, <code class="kv">lastSaved</code>, <code class="kv">darkMode</code>.</div>
        <div>➡️ Dùng nút <b>Xuất</b> / <b>Nhập</b> để chuyển sang máy khác.</div>
      </div>
    </div>
  </div>

  <div id="toast" class="toast" role="status" aria-live="polite"></div>

  <script>
    // ======================= STATE & BOOTSTRAP =======================
    let tasks = [];
    function uid() { return 't_' + Math.random().toString(36).slice(2, 10) + Date.now().toString(36); }

    function showToast(msg, type) {
      const t = document.getElementById('toast');
      t.textContent = msg;
      t.style.borderColor = type === 'error' ? 'var(--danger)' : 'rgba(0,0,0,0.08)';
      t.classList.add('show');
      clearTimeout(window.__toastTimer);
      window.__toastTimer = setTimeout(() => t.classList.remove('show'), 2200);
    }

    function saveData() {
      try {
        localStorage.setItem('myTasks', JSON.stringify(tasks));
        const ts = new Date().toISOString();
        localStorage.setItem('lastSaved', ts);
        document.getElementById('lastSavedText').textContent = new Date(ts).toLocaleString();
      } catch (e) {
        console.error(e);
        showToast('Không thể lưu dữ liệu!', 'error');
      }
    }

    function loadData() {
      try {
        // tasks
        const raw = localStorage.getItem('myTasks');
        tasks = raw ? JSON.parse(raw) : [];
      } catch (e) {
        tasks = [];
      }
      // dark mode
      const dark = localStorage.getItem('darkMode') || 'disabled';
      if (dark === 'enabled') document.body.classList.add('dark-mode'); else document.body.classList.remove('dark-mode');
      // last saved
      const ls = localStorage.getItem('lastSaved');
      document.getElementById('lastSavedText').textContent = ls ? new Date(ls).toLocaleString() : '—';
      renderTasks();
      updateStats();
    }

    function toggleDarkMode() {
      const enabled = document.body.classList.toggle('dark-mode');
      localStorage.setItem('darkMode', enabled ? 'enabled' : 'disabled');
    }

    // ======================= TASK CRUD =======================
    function addTask() {
      const input = document.getElementById('taskInput');
      const name = input.value.trim();
      if (!name) { showToast('Vui lòng nhập nội dung công việc'); return; }
      tasks.unshift({ id: uid(), name, done: false, createdAt: Date.now() });
      input.value = '';
      saveData();
      renderTasks();
      updateStats();
    }

    function toggleDone(id) {
      const t = tasks.find(x => x.id === id);
      if (t) { t.done = !t.done; saveData(); renderTasks(); updateStats(); }
    }

    function deleteTask(id) {
      tasks = tasks.filter(x => x.id !== id);
      saveData();
      renderTasks();
      updateStats();
    }

    function clearCompleted() {
      const has = tasks.some(t => t.done);
      if (!has) { showToast('Không có việc đã hoàn thành'); return; }
      if (!confirm('Xoá tất cả công việc đã hoàn thành?')) return;
      tasks = tasks.filter(t => !t.done);
      saveData();
      renderTasks();
      updateStats();
    }

    function renderTasks() {
      const list = document.getElementById('taskList');
      list.innerHTML = '';
      if (!tasks.length) {
        const li = document.createElement('li');
        li.className = 'muted';
        li.style.padding = '12px';
        li.textContent = 'Chưa có công việc nào. Hãy thêm việc ở ô bên trên.';
        list.appendChild(li);
        return;
      }
      for (const t of tasks) {
        const li = document.createElement('li');
        li.className = 'task' + (t.done ? ' done' : '');

        const cb = document.createElement('input');
        cb.type = 'checkbox';
        cb.checked = t.done;
        cb.title = 'Đánh dấu hoàn thành';
        cb.addEventListener('change', () => toggleDone(t.id));

        const name = document.createElement('div');
        name.innerHTML = '<div class="name"></div><div class="small"></div>';
        name.querySelector('.name').textContent = t.name;
        name.querySelector('.small').textContent = 'Tạo lúc: ' + new Date(t.createdAt || Date.now()).toLocaleString();

        const del = document.createElement('button');
        del.className = 'btn danger';
        del.textContent = 'Xoá';
        del.title = 'Xoá công việc';
        del.onclick = () => deleteTask(t.id);

        li.appendChild(cb);
        li.appendChild(name);
        li.appendChild(del);
        list.appendChild(li);
      }
    }

    function updateStats() {
      const all = tasks.length;
      const done = tasks.filter(t => t.done).length;
      document.getElementById('countAll').textContent = all;
      document.getElementById('countDone').textContent = done;
      document.getElementById('countTodo').textContent = Math.max(0, all - done);
    }

    // ======================= EXPORT / IMPORT =======================
    function buildExportPayload() {
      const savedTasks = localStorage.getItem('myTasks');
      const lastSaved = localStorage.getItem('lastSaved') || null;
      const darkMode = localStorage.getItem('darkMode') || 'disabled';
      let parsedTasks = [];
      try { parsedTasks = savedTasks ? JSON.parse(savedTasks) : []; } catch(_) { parsedTasks = []; }
      return {
        app: 'todo-pwa',
        version: 1,
        exportedAt: new Date().toISOString(),
        data: { myTasks: parsedTasks, lastSaved, darkMode }
      };
    }

    function exportData() {
      try {
        const payload = buildExportPayload();
        const blob = new Blob([JSON.stringify(payload, null, 2)], { type: 'application/json' });
        const ts = new Date().toISOString().replace(/[:.]/g, '-');
        const fname = `todo-data-${ts}.json`;
        const url = URL.createObjectURL(blob);
        const a = document.createElement('a');
        a.href = url; a.download = fname;
        document.body.appendChild(a);
        a.click();
        document.body.removeChild(a);
        URL.revokeObjectURL(url);
        showToast('Đã xuất dữ liệu (.json)!');
      } catch (e) {
        console.error(e);
        showToast('Xuất dữ liệu lỗi!', 'error');
      }
    }

    function basicValidatePayload(obj) {
      if (!obj || typeof obj !== 'object') return false;
      if (Array.isArray(obj)) return true; // mảng task thuần
      if (!obj.data || typeof obj.data !== 'object') return false;
      if (Array.isArray(obj.data.myTasks)) return true;
      return false;
    }
    function normalizeToTasksArray(obj) {
      if (Array.isArray(obj)) return obj;
      if (obj && obj.data && Array.isArray(obj.data.myTasks)) return obj.data.myTasks;
      return [];
    }

    function importDataFromFile(evt) {
      const file = evt.target.files && evt.target.files[0];
      if (!file) return;
      const reader = new FileReader();
      reader.onload = (e) => {
        try {
          const text = e.target.result;
          const json = JSON.parse(text);
          if (!basicValidatePayload(json)) {
            showToast('File không đúng định dạng!', 'error'); return;
          }
          const importedTasks = normalizeToTasksArray(json);
          const replace = confirm('Nhấn OK để THAY THẾ toàn bộ dữ liệu hiện tại bằng dữ liệu mới.\nNhấn Cancel để GỘP (merge) không trùng ID.');
          if (replace) {
            tasks = importedTasks;
          } else {
            const byId = new Map(tasks.map(t => [t.id, t]));
            for (const t of importedTasks) if (!byId.has(t.id)) byId.set(t.id, t);
            tasks = Array.from(byId.values());
          }
          // Áp dụng dark mode nếu có
          const dark = (json.data && json.data.darkMode) ? json.data.darkMode : null;
          if (dark === 'enabled' || dark === 'disabled') {
            if (dark === 'enabled') document.body.classList.add('dark-mode');
            else document.body.classList.remove('dark-mode');
            localStorage.setItem('darkMode', dark);
          }
          saveData();
          renderTasks();
          updateStats();
          showToast('Đã nhập dữ liệu thành công!');
          evt.target.value = '';
        } catch (err) {
          console.error(err);
          showToast('Lỗi khi đọc file .json!', 'error');
        }
      };
      reader.onerror = () => showToast('Không đọc được file!', 'error');
      reader.readAsText(file, 'utf-8');
    }

    // ======================= INIT =======================
    window.addEventListener('load', loadData);
    document.getElementById('taskInput').addEventListener('keydown', (e) => {
      if (e.key === 'Enter') addTask();
    });
  </script>
</body>
</html>