import fetch from 'node-fetch';
import fs from 'fs'; 

const overpassUrl = 'https://overpass-api.de/api/interpreter';
const query = `[out:json][timeout:180];
(
  node["amenity"="charging_station"];
  way["amenity"="charging_station"];
  relation["amenity"="charging_station"];
);
out body tags center;`;

function hasTrueFalseTag(tags) {
  return Object.values(tags).some(v => v === 'true' || v === 'false');
}

async function main() {
  console.log('Envoi de la requête Overpass...');
  const response = await fetch(overpassUrl, {
    method: 'POST',
    body: `data=${encodeURIComponent(query)}`,
    headers: { 'Content-Type': 'application/x-www-form-urlencoded' }
  });

  if (!response.ok) {
    throw new Error(`Erreur Overpass: ${response.status} ${response.statusText}`);
  }

  const data = await response.json();
  const features = [];

  for (const el of data.elements) {
    const tags = el.tags || {};
    if (!hasTrueFalseTag(tags)) continue;

    let coords;
    if (el.type === 'node') {
      coords = [el.lon, el.lat];
    } else if ((el.type === 'way' || el.type === 'relation') && el.center) {
      coords = [el.center.lon, el.center.lat];
    } else {
      continue;
    }

    features.push({
      type: 'Feature',
      geometry: {
        type: 'Point',
        coordinates: coords
      },
      properties: {
        id: el.id,
        type: el.type,
        tags: tags
      }
    });
  }

  const geojsonObj = {
    type: 'FeatureCollection',
    features: features
  };

  fs.writeFileSync('charging_stations_true_false.geojson', JSON.stringify(geojsonObj, null, 2), 'utf8');
  console.log(`Fichier GeoJSON écrit avec ${features.length} objets.`);
}

main().catch(err => {
  console.error(err);
  process.exit(1);
});