dhayalramk.github.io/calculations.html at master · dhayalramk/dhayalramk.github.io · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Room Charges Calculator</title>
  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
  <style>
    th, td { text-align: center; vertical-align: middle; }
    select, input[type="date"] { width: 200px; }
    textarea { width: 100%; height: 180px; }
  </style>
</head>
<body>
<div class="container mt-5">
  <h2 class="text-center mb-4">Room Charges Calculator</h2>

  <div class="mb-3 row">
    <label for="dateInput" class="col-sm-2 col-form-label">Choose Date:</label>
    <div class="col-sm-4">
      <input type="date" class="form-control" id="dateInput" onchange="updateDayFromDate(); suggestCombinations();">
    </div>
    <label class="col-sm-2 col-form-label">Detected Day:</label>
    <div class="col-sm-4">
      <input type="text" class="form-control" id="dayDisplay" readonly>
    </div>
  </div>

  <table class="table table-bordered">
    <thead class="table-dark">
      <tr>
        <th>Room Type</th>
        <th>Capacity</th>
        <th>Price per Unit (₹)</th>
      </tr>
    </thead>
    <tbody id="chargesTable">
      <tr>
        <td>Standard Room</td><td>2</td><td>1200</td>
      </tr>
      <tr>
        <td>Deluxe Room 1</td><td>3</td><td>1500</td>
      </tr>
      <tr>
        <td>Deluxe Room 2</td><td>3</td><td>1500</td>
      </tr>
      <tr>
        <td>Suite Room</td><td>6</td><td>2500</td>
      </tr>
    </tbody>
  </table>

  <div class="mb-3 row">
    <label for="guestQty" class="col-sm-2 col-form-label">Number of Guests:</label>
    <div class="col-sm-4">
      <input type="number" class="form-control" id="guestQty" value="5" min="1" onchange="suggestCombinations();">
    </div>
  </div>

  <h5 class="mt-4">Room Combination Suggestions</h5>
  <textarea id="suggestionsText" readonly></textarea>
  <button class="btn btn-primary mt-2" onclick="copySuggestions()">Copy to Clipboard</button>
</div>

<script>
  const dayRates = {
    "Saturday": 1350,
    "Friday": 1200,
    "Sunday": 1000,
    "Monday": 900,
    "Tuesday": 900,
    "Wednesday": 900,
    "Thursday": 900
  };

  function getDayName(dateStr) {
    const date = new Date(dateStr);
    return date.toLocaleDateString('en-US', { weekday: 'long' });
  }

  function updateDayFromDate() {
    const dateStr = document.getElementById("dateInput").value;
    if (!dateStr) return;

    const dayName = getDayName(dateStr);
    document.getElementById("dayDisplay").value = dayName;
  }

  function suggestCombinations() {
    const guests = parseInt(document.getElementById("guestQty").value) || 0;
    const dateStr = document.getElementById("dateInput").value;
    const dayName = dateStr ? getDayName(dateStr) : "Saturday";
    const guestRate = dayRates[dayName] || 900;
    const guestCost = guests * guestRate;

    // Retrieve room data from the table
    const table = document.getElementById("chargesTable");
    const roomData = {};
    for (let row of table.rows) {
      const roomType = row.cells[0].innerText.trim();
      const capacity = parseInt(row.cells[1].innerText.trim());
      const price = parseInt(row.cells[2].innerText.trim());
      roomData[roomType] = { capacity, price };
    }

    const suggestions = [];

    const roomTypes = Object.keys(roomData);
    const combinations = getCombinations(roomTypes);

    combinations.forEach(combo => {
      const totalCapacity = combo.reduce((sum, room) => sum + roomData[room].capacity, 0);
      if (totalCapacity >= guests) {
        const roomCost = combo.reduce((sum, room) => sum + roomData[room].price, 0);
        const totalCost = roomCost + guestCost + 1000; // Adding ₹1000 for cleaning and maintenance
        suggestions.push({
          rooms: combo.join(", "),
          capacity: totalCapacity,
          totalCost
        });
      }
    });

    suggestions.sort((a, b) => a.totalCost - b.totalCost);
    const topSuggestions = suggestions.slice(0, 5);

	const suggestionsText = topSuggestions.map((s, index) =>
	  `Option ${index + 1}: ${s.rooms} | Capacity: ${s.capacity} | Total Cost: ₹${s.totalCost}`
	).join('\n');

    const note1 = "This is a 4-bedroom private villa. Based on your group size, here are the best room combinations available:\n\n";
    const note2 = "\n\nThe above prices includes Cleaning and other Miscellaneous Charges\nOther rooms will remain locked. You will enjoy private access to the entire villa, including all listed amenities.";

    document.getElementById("suggestionsText").value = note1 + suggestionsText + note2;
  }

  function getCombinations(arr) {
    const result = [];
    const f = function(prefix, arr) {
      for (let i = 0; i < arr.length; i++) {
        result.push([...prefix, arr[i]]);
        f([...prefix, arr[i]], arr.slice(i + 1));
      }
    }
    f([], arr);
    return result;
  }

  function copySuggestions() {
    const text = document.getElementById("suggestionsText");
    text.select();
    text.setSelectionRange(0, 99999); // For mobile
    document.execCommand("copy");
    alert("Suggestions copied to clipboard!");
  }

  window.onload = () => {
    const today = new Date().toISOString().split('T')[0];
    document.getElementById("dateInput").value = today;
    updateDayFromDate();
    suggestCombinations();
  };
</script>
</body>
</html>