const fs = require('fs');
const path = require('path');

function saveFile(name, data, out) {
  const ret = {
    type: "FeatureCollection",
    name,
    crs: { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } },
    features: data.map((o) => ({
      type: "Feature",
      properties: o,
      geometry: {
        type: "Point",
        coordinates: [o.lgtd, o.lttd]
      }
    }))
  };

  fs.writeFileSync(out, JSON.stringify(ret, null, 2), 'utf-8');
}

function main() {
  /*
  const rzraw = JSON.parse(fs.readFileSync(path.resolve(__dirname, '../public/data/rz.json'), 'utf8'));

  const stcdMap = {};
  rzraw.forEach(o => stcdMap[o.stcd] = true);
  */

  let drpraw = JSON.parse(fs.readFileSync(path.resolve(__dirname, '../public/data/drp.json'), 'utf8'));
  //drpraw = drpraw.filter(o => o.type === 'sh' && !stcdMap[o.stcd]);

  saveFile('drpreal', drpraw, path.resolve(__dirname, '../public/data/drpreal.geojson'));

  /*
  const skraw = JSON.parse(fs.readFileSync(path.resolve(__dirname, '../public/data/sk.json'), 'utf8'));
  saveFile('skreal', skraw, path.resolve(__dirname, '../public/data/skreal.geojson'));
  */
}

main();