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(({ ADCD, NAME, level, lgtd, lttd }) => ({
      type: "Feature",
      properties: { ADCD, NAME, level, lgtd, lttd },
      geometry: {
        type: "Point",
        coordinates: [lgtd, lttd]
      }
    }))
  };

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

function adlevel(adcd) {
  if (adcd.endsWith('000000000')) {
    return 4;
  } else if (adcd.endsWith('000000')) {
    return 5;
  } else if (adcd.endsWith('000')) {
    return 6;
  }
  return 7;
}

function main() {
  let drpraw = JSON.parse(fs.readFileSync(path.resolve(__dirname, '../public/data/adcd.json'), 'utf8'));
  drpraw = drpraw.data.map(({ ADCD, NAME, lgtd, lttd }) => ({ ADCD, NAME, level: adlevel(ADCD), lgtd, lttd, }))
  saveFile('adcd', drpraw, path.resolve(__dirname, '../public/data/adcd.geojson'));
}

main();

console.log('done')