import fetch from './fetch.mjs';

const formatNumber = str => str && Number(`${str}`.replace(/[^0-9.-]/, ''));
const formatString = str => {
  if (str == null) return 'N/A';
  if (typeof str !== 'string') return str;
  return str && str.length && str !== 'undefined' ? str.trim() : 'N/A';
};

export async function getOpenskyData() {
  const positionSourceMap = ['ADS-B', 'ASTERIX', 'MLAT'];
  const res = await fetch.get(`https://opensky-network.org/api/states/all`);
  return res.data.states.map(rec => ({
    transponder: `${rec[0]}`.toLowerCase(),
    callsign: `${rec[1]}`.trim(),
    origin_country: rec[2],
    time_position: new Date(rec[3] * 1000),
    last_contact: new Date(rec[4] * 1000),
    location: rec[5] && rec[6] ? `${rec[6]},${rec[5]}` : null,
    lat: rec[6],
    lon: rec[5],
    baro_altitude: rec[7],
    geo_altitude: rec[13],
    on_ground: rec[8],
    velocity: rec[9],
    vertical_rate: rec[11],
    squawk: rec[14],
    spi: rec[15],
    position_source: positionSourceMap[rec[16]],
  }));
}

export async function getAdbsExchangeData({ lat, lon, radius }) {
  const positionSourceMap = ['Unknown', 'Mode-S', 'ADS-B', 'ADS-B', 'ADS-B', 'ADS-B'];

  const res = await fetch.get(
    `http://public-api.adsbexchange.com/VirtualRadar/AircraftList.json?lat=${lat}&lng=${lon}&fDstL=0&fDstU=${radius}`
  );

  return res.data.acList.map(rec => ({
    transponder: formatString(`${rec.Icao}`.toLowerCase()),
    callsign: formatString(rec.Call),
    origin_country: rec.Cou,
    time_position: new Date(rec.PosTime),
    last_contact: new Date(rec.PosTime),
    location: rec.Lat && rec.Long ? `${rec.Lat},${rec.Long}` : null,
    lat: rec.Lat,
    lon: rec.Long,
    baro_altitude: formatNumber(rec.Alt),
    geo_altitude: formatNumber(rec.GAlt),
    on_ground: rec.Gnd,
    velocity: formatNumber(rec.Spd),
    vertical_rate: formatNumber(rec.Vsi),
    squawk: rec.Sqk,
    spi: false,
    position_source: positionSourceMap[rec.Trt],
    operator: formatString(rec.Op),
    aircraft: formatString(rec.Mdl),
    aircraft_manufacturer: formatString(rec.Man),
    from: formatString(rec.From),
    to: formatString(rec.To),
  }));
}