// 십진법(DD)을 도분초(DMS)로 변환
export function decimalToDMS(decimal: number, isLatitude: boolean): string {
  const absolute = Math.abs(decimal)
  const degrees = Math.floor(absolute)
  const minutesDecimal = (absolute - degrees) * 60
  const minutes = Math.floor(minutesDecimal)
  const seconds = ((minutesDecimal - minutes) * 60).toFixed(2)

  let direction = ''
  if (isLatitude) {
    direction = decimal >= 0 ? 'N' : 'S'
  } else {
    direction = decimal >= 0 ? 'E' : 'W'
  }

  return `${degrees}° ${minutes}' ${seconds}" ${direction}`
}

// 도분초를 십진법으로 변환
export function dmsToDecimal(degrees: number, minutes: number, seconds: number, direction: 'N' | 'S' | 'E' | 'W'): number {
  let decimal = degrees + minutes / 60 + seconds / 3600

  if (direction === 'S' || direction === 'W') {
    decimal = -decimal
  }

  return decimal
}