import { readFile, writeFile } from 'fs/promises';

// const getBoundingBox = (coordinates: any) => {
//   return coordinates.reduce(
//     (coordinatesBoundingBox, polygonGroup) => {
//       const pg = polygonGroup.reduce(
//         (polygonGroupBoundingBox, polygon) => {
//           return [
//             Math.min()
//           ]
//         },
//         coordinatesBoundingBox
//       )
//     },
//     [[180, -90], [-180, 90]]
//   )
// }

const main = async () => {
  let json;
  try {
    const jsonBuffer = await readFile('scripts/generate-bounding-box-data/ne_10m_admin_0_countries.json');
    const jsonString = jsonBuffer.toString('utf-8');
    json = JSON.parse(jsonString);
  } catch {
    process.stderr.write('Unable to read Admin 0 Countries GeoJSON. Obtain data from Natural Earth and convert to GeoJSON.');
    process.exit(1);
    return;
  }

  const recognizedCountries = json.features.filter(f => f.properties['ISO_A2_EH'] !== '-99');
  await writeFile(
    'scripts/generate-bounding-box-data/sample-russia.json',
    JSON.stringify(
      json.features.find(f => f.properties['NAME'] === 'Russia'),
      null,
      2
    )
  );

  const countries = recognizedCountries.map(f => ({
    name: f.properties['NAME'],
    countryCode: f.properties['ISO_A2_EH'],
  }))
    .sort((a, b) => a.name.localeCompare(b.name));

  countries.forEach(c => {
    console.log(c);
  })
}

void main();