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

async function testStepsPolyline() {
  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,routes.legs.steps.polyline.encodedPolyline' } });

  const mainPoly = resToll.data.routes[0].polyline.encodedPolyline;
  const mainCoords = polylineLib.decode(mainPoly, 5);
  
  const steps = resToll.data.routes[0].legs[0].steps;
  let stepCoords = [];
  for(let step of steps) {
      if(step.polyline && step.polyline.encodedPolyline) {
          stepCoords = stepCoords.concat(polylineLib.decode(step.polyline.encodedPolyline, 5));
      }
  }
  
  console.log(`Main polyline points: ${mainCoords.length}`);
  console.log(`Steps combined points: ${stepCoords.length}`);
  
  const combinedPoly = polylineLib.encode(stepCoords, 5);

  const ulysUrl = `https://api-ulys.azure-api.net/placemark/v2/legs?precision=5&includeLayersIds=GaresPeage`;
  
  try {
      const res = await axios.post(ulysUrl, JSON.stringify(combinedPoly), {
          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);
  }
}
testStepsPolyline();