import FixePosition from "../../entities/FixePosition"
import axios from 'axios'

export const getTerrainElevation = async (fixes: Array<FixePosition>, API_URL: string) => {

  const fixesToUpdate = fixes.map((fix) => ({ lat: fix.latitude, lng: fix.longitude }))
  const { data } = await  axios.post(API_URL + `/general/elevation/get`, { fixes: fixesToUpdate })

  const avgAltitude = data.fixes.reduce((acc: number, fix: any, index: number) => {
    fixes[index].terrainElevation = fix.terrainElevation
    fixes[index].aglAltitude = Math.round(fixes[index].gpsAltitude - fix.terrainElevation)
    return acc + fixes[index].aglAltitude
  }, 0) / data.fixes.length

  if(avgAltitude < 20) {
    throw new Error('ERROR_TERRAIN_ELEVATION')
  }
}