API TravelTime

// Configuration JavaScript
const TRAVELTIME_APP_ID = 'your_app_id_here';
const TRAVELTIME_API_KEY = 'your_api_key_here';
const BASE_URL = 'https://api.traveltimeapp.com/v4';

// Fonction de génération d'isochrone
async function generateIsochrone(lat, lng, travelTime) {
  const response = await fetch(`${BASE_URL}/time-map`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'X-Application-Id': TRAVELTIME_APP_ID,
      'X-Api-Key': TRAVELTIME_API_KEY
    },
    body: JSON.stringify({
      departure_searches: [{
        id: "isochrone_search",
        coords: {lat: lat, lng: lng},
        transportation: {type: "public_transport"},
        departure_time: new Date().toISOString(),
        travel_time: travelTime
      }]
    })
  });
  
  return await response.json();
}

// Exemple d'utilisation
generateIsochrone(51.507609, -0.128315, 1800)
  .then(data => console.log(data))
  .catch(error => console.error('Erreur:', error));

// Affichage avec Leaflet
function displayIsochrone(data) {
  const map = L.map('map').setView([51.507609, -0.128315], 12);
  
  L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png').addTo(map);
  
  data.results.forEach(result => {
    result.shapes.forEach(shape => {
      const polygon = L.polygon(
        shape.shell.map(point => [point.lat, point.lng]),
        {
          color: '#3388ff',
          fillColor: '#3388ff',
          fillOpacity: 0.2
        }
      ).addTo(map);
      
      map.fitBounds(polygon.getBounds());
    });
  });
}