const axios = require('axios');
const polylineLib = require('@mapbox/polyline');
require('dotenv').config({ path: '.env' });

async function testHalfPolyline() {
  const apiKey = process.env.API_MAPS;
  const resToll = await axios.post('https://routes.googleapis.com/directions/v2:computeRoutes', {
      travelMode: 'DRIVE', routingPreference: 'TRAFFIC_UNAWARE',
      origin: { address: "25 Impasse du Puits du Suc, Saint-Martin-en-Haut, France" },
      destination: { address: "Toulouse, France" },
  }, { headers: { 'Content-Type': 'application/json', 'X-Goog-Api-Key': apiKey, 'X-Goog-FieldMask': 'routes.polyline.encodedPolyline' } });

  const mainPoly = resToll.data.routes[0].polyline.encodedPolyline;
  const mainCoords = polylineLib.decode(mainPoly, 5);
  
  const halfCoords = mainCoords.slice(0, Math.floor(mainCoords.length / 2));
  const halfPoly = polylineLib.encode(halfCoords, 5);
  
  console.log(`Sending first half (${halfCoords.length} points)`);

  const ulysUrl = `https://api-ulys.azure-api.net/placemark/v2/legs?precision=5&includeLayersIds=GaresPeage`;
  
  try {
      const res = await axios.post(ulysUrl, JSON.stringify(halfPoly), {
          headers: { 'Content-Type': 'application/json' }
      });
      const feats = res.data.features || res.data;
      console.log(`Found ${feats.length} gates.`);
      feats.forEach(f => {
          const pm = f.Placemark || f.placemark || {};
          console.log(pm.Preview || pm.preview || "Gate");
      });
  } catch(e) {
      console.log("Error:", e.message);
  }
}
testHalfPolyline();