class-timer/lite.html at main · simon-liesinger/class-timer · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Class Timer Lite</title>
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      min-height: 100vh;
      padding: 20px;
    }
    .container { max-width: 500px; margin: 0 auto; }
    h1 { color: white; text-align: center; margin-bottom: 8px; font-size: 28px; }
    .subtitle { color: rgba(255,255,255,0.8); text-align: center; margin-bottom: 24px; font-size: 14px; }
    .card {
      background: white;
      border-radius: 16px;
      padding: 20px;
      margin-bottom: 16px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    }
    .status-card { text-align: center; padding: 30px 20px; }
    .status-label { font-size: 14px; color: #666; margin-bottom: 8px; }
    .status-value { font-size: 24px; font-weight: 700; color: #333; }
    .next-class { margin-top: 16px; padding-top: 16px; border-top: 1px solid #eee; }
    .next-class-label { font-size: 12px; color: #999; margin-bottom: 4px; }
    .next-class-value { font-size: 18px; color: #4285f4; font-weight: 600; }
    .section-title {
      font-size: 12px; font-weight: 600; color: #666;
      text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px;
    }
    .line-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .line-input { display: flex; align-items: center; gap: 8px; }
    .line-input label { font-size: 14px; color: #666; min-width: 50px; }
    .line-input input {
      flex: 1; padding: 10px 12px; border: 1px solid #ddd;
      border-radius: 8px; font-size: 14px;
    }
    .note { text-align: center; font-size: 12px; color: rgba(255,255,255,0.7); margin-top: 8px; }
  </style>
</head>
<body>
  <div class="container">
    <h1>Class Timer</h1>
    <p class="subtitle">Lite Version (No notifications)</p>

    <div class="card status-card">
      <div class="status-label">Current Status</div>
      <div class="status-value" id="status">Loading...</div>
      <div class="next-class" id="next-class-container" style="display: none;">
        <div class="next-class-label">Next up</div>
        <div class="next-class-value" id="next-class"></div>
      </div>
    </div>

    <div class="card">
      <div class="section-title">Line Names</div>
      <p style="font-size: 13px; color: #888; margin-bottom: 12px;">Enter your class names below.</p>
      <div class="line-inputs">
        <div class="line-input"><label>Line 1</label><input type="text" id="line-1"></div>
        <div class="line-input"><label>Line 2</label><input type="text" id="line-2"></div>
        <div class="line-input"><label>Line 3</label><input type="text" id="line-3"></div>
        <div class="line-input"><label>Line 4</label><input type="text" id="line-4"></div>
        <div class="line-input"><label>Line 5</label><input type="text" id="line-5"></div>
        <div class="line-input"><label>Line 6</label><input type="text" id="line-6"></div>
        <div class="line-input"><label>Line 7</label><input type="text" id="line-7"></div>
        <div class="line-input"><label>Line 8</label><input type="text" id="line-8"></div>
      </div>
    </div>

    <p class="note">This lite version shows your schedule but cannot send notifications.</p>
  </div>

  <script>
    var tuesdayLines = [6, 7, 8, 1];
    var wednesdayLines = [5, 3, 4, 2];
    var thursdayLines = [8, 1, 6, 7];
    var fridayLines = [4, 2, 5, 3];

    // Cookie helpers
    function setCookie(name, value, days) {
      try {
        var expires = new Date(Date.now() + days * 864e5).toUTCString();
        document.cookie = name + '=' + encodeURIComponent(value) + '; expires=' + expires + '; path=/; SameSite=Lax';
      } catch (e) {}
    }

    function getCookie(name) {
      try {
        var cookies = document.cookie.split('; ');
        for (var i = 0; i < cookies.length; i++) {
          var parts = cookies[i].split('=');
          if (parts[0] === name) return decodeURIComponent(parts[1]);
        }
      } catch (e) {}
      return null;
    }

    function saveLineNames() {
      var names = {};
      for (var i = 1; i <= 8; i++) {
        var input = document.getElementById('line-' + i);
        if (input && input.value) names[i] = input.value;
      }
      setCookie('classTimerLines', JSON.stringify(names), 365);
    }

    function loadLineNames() {
      try {
        var data = getCookie('classTimerLines');
        if (data) {
          var names = JSON.parse(data);
          for (var i = 1; i <= 8; i++) {
            var input = document.getElementById('line-' + i);
            if (input && names[i]) input.value = names[i];
          }
        }
      } catch (e) {}
    }

    function getMondaySchedule() {
      return [
        { line: 1, startHour: 8, startMin: 50, endHour: 9, endMin: 40 },
        { line: 2, startHour: 9, startMin: 40, endHour: 10, endMin: 30 },
        { line: 3, startHour: 10, startMin: 30, endHour: 11, endMin: 20 },
        { line: 4, startHour: 11, startMin: 20, endHour: 12, endMin: 10 },
        { line: 5, startHour: 12, startMin: 40, endHour: 13, endMin: 30 },
        { line: 6, startHour: 13, startMin: 30, endHour: 14, endMin: 20 },
        { line: 7, startHour: 14, startMin: 20, endHour: 15, endMin: 10 },
        { line: 8, startHour: 15, startMin: 10, endHour: 16, endMin: 0 }
      ];
    }

    function getWeekdaySchedule(lines) {
      return [
        { line: lines[0], startHour: 8, startMin: 50, endHour: 10, endMin: 20 },
        { line: lines[1], startHour: 10, startMin: 35, endHour: 12, endMin: 5 },
        { line: lines[2], startHour: 12, startMin: 40, endHour: 13, endMin: 50 },
        { line: lines[3], startHour: 13, startMin: 50, endHour: 15, endMin: 0 }
      ];
    }

    function getTodaySchedule() {
      var day = new Date().getDay();
      if (day === 0 || day === 6) return null;
      if (day === 1) return getMondaySchedule();
      if (day === 2) return getWeekdaySchedule(tuesdayLines);
      if (day === 3) return getWeekdaySchedule(wednesdayLines);
      if (day === 4) return getWeekdaySchedule(thursdayLines);
      if (day === 5) return getWeekdaySchedule(fridayLines);
      return null;
    }

    function getClassTime(period, isStart) {
      var now = new Date();
      var time = new Date(now.getFullYear(), now.getMonth(), now.getDate(),
        isStart ? period.startHour : period.endHour,
        isStart ? period.startMin : period.endMin);
      return time;
    }

    function formatTime(date) {
      var h = date.getHours();
      var m = date.getMinutes();
      var ampm = h >= 12 ? 'PM' : 'AM';
      h = h % 12;
      if (h === 0) h = 12;
      return h + ':' + (m < 10 ? '0' : '') + m + ' ' + ampm;
    }

    function getLineName(line) {
      var input = document.getElementById('line-' + line);
      var name = input ? input.value : '';
      return name && name.trim() !== '' ? name.trim() : ('Line ' + line);
    }

    function updateStatus() {
      var statusEl = document.getElementById('status');
      var nextClassContainer = document.getElementById('next-class-container');
      var nextClassEl = document.getElementById('next-class');

      var schedule = getTodaySchedule();
      if (!schedule) {
        statusEl.textContent = 'No classes today';
        nextClassContainer.style.display = 'none';
        return;
      }

      var now = new Date();

      for (var i = 0; i < schedule.length; i++) {
        var period = schedule[i];
        var start = getClassTime(period, true);
        var end = getClassTime(period, false);
        var name = getLineName(period.line);

        if (now < start) {
          var diff = start - now;
          var mins = Math.floor(diff / 60000);
          var hrs = Math.floor(mins / 60);
          mins = mins % 60;

          if (hrs > 0) {
            statusEl.textContent = name + ' in ' + hrs + 'h ' + mins + 'm';
          } else {
            statusEl.textContent = name + ' in ' + mins + ' min';
          }

          var nextPeriod = schedule[i + 1];
          if (nextPeriod) {
            nextClassContainer.style.display = 'block';
            nextClassEl.textContent = getLineName(nextPeriod.line) + ' at ' + formatTime(getClassTime(nextPeriod, true));
          } else {
            nextClassContainer.style.display = 'none';
          }
          return;
        }

        if (now >= start && now < end) {
          var remaining = end - now;
          var mins = Math.floor(remaining / 60000);
          statusEl.textContent = name + ' (' + mins + ' min left)';

          var nextPeriod = schedule[i + 1];
          if (nextPeriod) {
            nextClassContainer.style.display = 'block';
            nextClassEl.textContent = getLineName(nextPeriod.line) + ' at ' + formatTime(getClassTime(nextPeriod, true));
          } else {
            nextClassContainer.style.display = 'none';
          }
          return;
        }
      }

      statusEl.textContent = 'End of day';
      nextClassContainer.style.display = 'none';
    }

    // Load saved names and set up auto-save
    loadLineNames();
    for (var i = 1; i <= 8; i++) {
      var input = document.getElementById('line-' + i);
      if (input) {
        input.addEventListener('input', function() {
          saveLineNames();
          updateStatus();
        });
      }
    }

    updateStatus();
    setInterval(updateStatus, 30000);
  </script>
</body>
</html>