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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>Pest Outbreak Prediction System</title>
  <!-- Bootstrap CSS (for grid utilities) -->
  <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet" />
  <!-- Tailwind CSS CDN for advanced styling -->
  <script src="https://cdn.tailwindcss.com"></script>
  <!-- Leaflet CSS for map -->
  <link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/leaflet.css" />
  <!-- Leaflet Control Geocoder CSS for search bar -->
  <link rel="stylesheet" href="https://unpkg.com/leaflet-control-geocoder/dist/Control.Geocoder.css" />
  <style>
    body {
      background: #f2f2f2; /* light grey to match final report page */
      margin: 0;
      padding: 0;
    }
    .container-custom {
      max-width: 1200px;
      margin: 2rem auto;
      padding: 1rem;
      background: #ffffff;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    #map {
      height: 400px;
      border-radius: 0.75rem;
      box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    }
    .form-section {
      background: #ffffff;
      border-radius: 0.75rem;
      box-shadow: 0 8px 16px rgba(0,0,0,0.1);
      padding: 2rem;
      margin-bottom: 1.5rem;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .form-section:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 24px rgba(0,0,0,0.15);
    }
    h1, h4 {
      color: #2e7d32;
      text-align: center;
    }
    /* Weather Card Styles */
    .weather-card {
      background: #ffffff;
      border-radius: 0.5rem;
      box-shadow: 0 4px 8px rgba(0,0,0,0.1);
      padding: 1rem;
      text-align: center;
      transition: transform 0.2s;
    }
    .weather-card:hover {
      transform: translateY(-4px);
    }
    .weather-title {
      font-weight: 600;
      color: #2e7d32;
      margin-bottom: 0.5rem;
    }
    /* Soil properties table styling */
    #soilPropertiesTable table {
      width: 100%;
      border-collapse: collapse;
    }
    #soilPropertiesTable th, #soilPropertiesTable td {
      padding: 0.75rem;
      border: 1px solid #e2e8f0;
      text-align: center;
    }
    #soilPropertiesTable th {
      background-color: #81c784;
      color: #fff;
    }
  </style>
</head>
<body>
  <div class="container container-custom py-8">
    <h1 class="text-4xl font-bold mb-8">Pest Outbreak Prediction System</h1>
    <!-- The form submits to /predict to generate a detailed pest outbreak report -->
    <form id="farmForm" action="/predict" method="post">
      <!-- Map & Manual Inputs -->
      <div class="form-section">
        <h4 class="text-2xl font-semibold mb-4">Select Farm Location</h4>
        <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
          <!-- Left: Satellite map with search bar -->
          <div>
            <div id="map"></div>
          </div>
          <!-- Right: Manual lat/lon input -->
          <div class="flex flex-col justify-center space-y-4 p-4">
            <div>
              <label class="font-medium" for="manual_lat">Latitude:</label>
              <input type="number" step="0.000001" id="manual_lat" class="form-control" placeholder="Enter latitude" />
            </div>
            <div>
              <label class="font-medium" for="manual_lon">Longitude:</label>
              <input type="number" step="0.000001" id="manual_lon" class="form-control" placeholder="Enter longitude" />
            </div>
            <button type="button" id="updateLocationBtn" class="btn btn-primary shadow-md hover:shadow-lg transition duration-300">
              Update Location
            </button>
          </div>
        </div>
        <!-- Hidden fields to store final lat/lon -->
        <input type="hidden" id="latitude" name="latitude" />
        <input type="hidden" id="longitude" name="longitude" />
      </div>

      <!-- Weather Data Display -->
      <div class="form-section">
        <h4 class="text-2xl font-semibold mb-4">Weather Data</h4>
        <div id="weatherDataContainer" class="grid grid-cols-1 md:grid-cols-4 gap-4">
          <div class="col-span-full text-center text-gray-600">
            Weather data will appear here after you select or update a location.
          </div>
        </div>
      </div>


      <!-- Additional Agricultural Inputs -->
      <div class="form-section">
        <h4 class="text-2xl font-semibold mb-4">Additional Agricultural Inputs</h4>
        <div class="grid grid-cols-1 md:grid-cols-3 gap-4">
          <div>
            <label class="font-medium" for="crop_type">Crop Type:</label>
            <select class="form-control" id="crop_type" name="crop_type">
              <option value="rice">Rice</option>
              <option value="wheat">Wheat</option>
              <option value="maize">Maize</option>
              <option value="cotton">Cotton</option>
              <option value="sugarcane">Sugarcane</option>
              <option value="soybean">Soybean</option>
              <option value="millet">Millet</option>
              <option value="pulses">Pulses</option>
              <option value="potato">Potato</option>
              <option value="tomato">Tomato</option>
              <option value="onion">Onion</option>
              <option value="garlic">Garlic</option>
              <option value="groundnut">Groundnut</option>
              <option value="barley">Barley</option>
              <option value="jute">Jute</option>
              <option value="tea">Tea</option>
              <option value="coffee">Coffee</option>
              <option value="sorghum">Sorghum</option>
              <option value="turmeric">Turmeric</option>
              <option value="ginger">Ginger</option>
            </select>
          </div>
          <div>
            <label class="font-medium" for="sowing_date">Plant Sowing Date:</label>
            <input type="date" class="form-control" id="sowing_date" name="sowing_date" />
          </div>
          <div>
            <label class="font-medium" for="harvest_date">Expected Harvest Date:</label>
            <input type="date" class="form-control" id="harvest_date" name="harvest_date" />
          </div>
          <div>
            <label class="font-medium" for="growth_stage">Current Growth Stage:</label>
            <select class="form-control" id="growth_stage" name="growth_stage">
              <option value="sowing">Sowing</option>
              <option value="germination">Germination</option>
              <option value="vegetative">Vegetative</option>
              <option value="flowering">Flowering</option>
              <option value="fruiting">Fruiting</option>
              <option value="harvest">Harvest</option>
            </select>
          </div>
          <div>
            <label class="font-medium" for="irrigation_freq">Irrigation Frequency:</label>
            <select class="form-control" id="irrigation_freq" name="irrigation_freq">
              <option value="daily">Daily</option>
              <option value="alternate">Alternate Day</option>
              <option value="twice_week">Twice a Week</option>
              <option value="weekly">Weekly</option>
            </select>
          </div>
          <div>
            <label class="font-medium" for="irrigation_method">Irrigation Method:</label>
            <select class="form-control" id="irrigation_method" name="irrigation_method">
              <option value="drip">Drip</option>
              <option value="sprinkler">Sprinkler</option>
              <option value="flood">Flood</option>
              <option value="manual">Manual</option>
            </select>
          </div>
          <div>
            <label class="font-medium" for="soil_type">Soil Type:</label>
            <select class="form-control" id="soil_type" name="soil_type">
              <option value="red">Red</option>
              <option value="black">Black</option>
              <option value="clay">Clay</option>
              <option value="sandy">Sandy</option>
              <option value="loamy">Loamy</option>
            </select>
          </div>
          <div class="mb-4">
            <label for="language" class="form-label">Response Language</label>
            <select class="form-control" id="language" name="language" required>
                <option value="English">English</option>
                <option value="Hindi">Hindi</option>
                <option value="Bengali">Bengali</option>
                <option value="Telugu">Telugu</option>
                <option value="Marathi">Marathi</option>
                <option value="Tamil">Tamil</option>
                <option value="Gujarati">Gujarati</option>
                <option value="Urdu">Urdu</option>
                <option value="Kannada">Kannada</option>
                <option value="Odia">Odia</option>
                <option value="Malayalam">Malayalam</option>
            </select>
          </div>
        </div>
      </div>

      <!-- Hidden Fields for passing Weather data to Gemini -->
      <input type="hidden" id="max_temp_hidden" name="max_temp" />
      <input type="hidden" id="min_temp_hidden" name="min_temp" />
      <input type="hidden" id="current_temp_hidden" name="current_temp" />
      <input type="hidden" id="humidity_hidden" name="humidity" />
      <input type="hidden" id="rainfall_hidden" name="rain" />
      <input type="hidden" id="soil_moisture_hidden" name="soil_moisture" />
      <input type="hidden" id="wind_speed_hidden" name="wind_speed" />
      <input type="hidden" id="cloud_cover_hidden" name="cloud_cover" />

      <div class="form-section text-center">
        <button type="submit" class="btn btn-success btn-lg shadow-xl transform hover:scale-105 transition duration-300">
          Predict Pest Outbreak
        </button>
      </div>
    </form>
  </div>

  <!-- Scripts -->
  <script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.bundle.min.js"></script>
  <!-- Leaflet JS -->
  <script src="https://unpkg.com/[email protected]/dist/leaflet.js"></script>
  <!-- Leaflet Control Geocoder JS for search -->
  <script src="https://unpkg.com/leaflet-control-geocoder/dist/Control.Geocoder.js"></script>
  <script>
    // Initialize the map using Esri's World Imagery (satellite view)
    var map = L.map('map').setView([20.5937, 78.9629], 5);
    L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
      attribution: 'Tiles © Esri',
      maxZoom: 18,
    }).addTo(map);

    // Explicitly define the geocoder provider using Nominatim
    var geocoder = L.Control.Geocoder.nominatim();

    // Add geocoder (search bar) to the map with the provider
    L.Control.geocoder({
      geocoder: geocoder,
      defaultMarkGeocode: false
    })
    .on('markgeocode', function(e) {
      var bbox = e.geocode.bbox;
      var center = e.geocode.center;
      map.fitBounds(bbox);
      setMarker(center);
    })
    .addTo(map);

    var marker;
    function setMarker(latlng) {
      if (marker) {
        marker.setLatLng(latlng);
      } else {
        marker = L.marker(latlng).addTo(map);
      }
      // Update both hidden and manual fields
      document.getElementById('latitude').value = latlng.lat.toFixed(6);
      document.getElementById('longitude').value = latlng.lng.toFixed(6);
      document.getElementById('manual_lat').value = latlng.lat.toFixed(6);
      document.getElementById('manual_lon').value = latlng.lng.toFixed(6);

      // Fetch weather and soil data
      fetchWeatherData(latlng.lat, latlng.lng);
    }

    map.on('click', function(e) {
      setMarker(e.latlng);
    });

    // Update location using manual input
    document.getElementById('updateLocationBtn').addEventListener('click', function(){
      const lat = parseFloat(document.getElementById('manual_lat').value);
      const lon = parseFloat(document.getElementById('manual_lon').value);
      if(!isNaN(lat) && !isNaN(lon)){
        const latlng = L.latLng(lat, lon);
        map.setView(latlng, 10);
        setMarker(latlng);
      } else {
        alert("Please enter valid latitude and longitude values.");
      }
    });

    // Fetch weather data from backend (/get_weather_data)
    function fetchWeatherData(lat, lng) {
      fetch(`/get_weather_data?lat=${lat}&lon=${lng}`)
        .then(response => response.json())
        .then(data => {
          // Update the weather card container
          const container = document.getElementById('weatherDataContainer');
          container.innerHTML = `
            <div class="weather-card">
              <div class="weather-title">Max Temp</div>
              <div>${data.max_temp !== null ? data.max_temp + " °C" : "Not available"}</div>
            </div>
            <div class="weather-card">
              <div class="weather-title">Min Temp</div>
              <div>${data.min_temp !== null ? data.min_temp + " °C" : "Not available"}</div>
            </div>
            <div class="weather-card">
              <div class="weather-title">Current Temp</div>
              <div>${data.current_temp !== null ? data.current_temp + " °C" : "Not available"}</div>
            </div>
            <div class="weather-card">
              <div class="weather-title">Humidity</div>
              <div>${data.humidity !== null ? data.humidity.toFixed(1) + " %" : "Not available"}</div>
            </div>
            <div class="weather-card">
              <div class="weather-title">Rain</div>
              <div>${data.rainfall !== null ? data.rainfall + " mm" : "Not available"}</div>
            </div>
            <div class="weather-card">
              <div class="weather-title">Soil Moisture</div>
              <div>${data.soil_moisture !== null ? data.soil_moisture.toFixed(1) + " %" : "Not available"}</div>
            </div>
            <div class="weather-card">
              <div class="weather-title">Wind Speed</div>
              <div>${data.wind_speed !== null ? data.wind_speed + " km/h" : "Not available"}</div>
            </div>
            <div class="weather-card">
              <div class="weather-title">Cloud Cover</div>
              <div>${data.cloud_cover !== null ? data.cloud_cover.toFixed(1) + " %" : "Not available"}</div>
            </div>
          `;

          // Also store these values in hidden fields so they pass to Gemini
          document.getElementById('max_temp_hidden').value       = data.max_temp       ?? "";
          document.getElementById('min_temp_hidden').value       = data.min_temp       ?? "";
          document.getElementById('current_temp_hidden').value   = data.current_temp   ?? "";
          document.getElementById('humidity_hidden').value       = data.humidity       ?? "";
          document.getElementById('rainfall_hidden').value       = data.rainfall       ?? "";
          document.getElementById('soil_moisture_hidden').value  = data.soil_moisture  ?? "";
          document.getElementById('wind_speed_hidden').value     = data.wind_speed     ?? "";
          document.getElementById('cloud_cover_hidden').value    = data.cloud_cover    ?? "";
        })
        .catch(error => console.error('Error fetching weather data:', error));
    }

    // Fetch soil properties from backend (/get_soil_properties)
    function fetchSoilProperties(lat, lng) {
      fetch(`/get_soil_properties?lat=${lat}&lon=${lng}`)
        .then(response => response.json())
        .then(data => {
          if(data.soil_properties) {
            let tableHTML = "<table><thead><tr><th>Parameter</th><th>Value</th><th>Unit</th></tr></thead><tbody>";
            data.soil_properties.forEach(function(item) {
              tableHTML += `<tr><td>${item[0]}</td><td>${item[1]}</td><td>${item[2]}</td></tr>`;
            });
            tableHTML += "</tbody></table>";
            document.getElementById("soilTableContainer").innerHTML = tableHTML;
          } else {
            document.getElementById("soilTableContainer").innerHTML = "<p class='text-center text-gray-600'>No soil data available.</p>";
          }
        })
        .catch(error => console.error('Error fetching soil properties:', error));
    }
  </script>
</body>
</html>