import { fetchJson, postJson } from './httpClient.ts'

export interface HaeguBoundary {
  haegu_no: number
  area_name: string | null
  geom_json: string
  center_lon: number
  center_lat: number
}

/** CompactVesselTrack.java 기준 */
export interface VesselTrackResult {
  vesselId: string
  nationalCode: string
  shipKindCode?: string
  shipName?: string
  shipType?: string
  geometry: number[][]
  timestamps: string[]      // 백엔드가 문자열 배열로 전송
  speeds: number[]
  totalDistance?: number
  avgSpeed?: number
  maxSpeed?: number
  pointCount?: number
}

/** RecentVesselPositionDto.java 기준 */
export interface RecentPosition {
  mmsi: string
  imo?: number
  lon: number
  lat: number
  sog: number
  cog: number
  shipNm?: string
  shipTy?: string
  shipKindCode?: string
  nationalCode?: string
  lastUpdate: string
  shipImagePath?: string | null
  shipImageCount?: number | null
}

export const gisApi = {
  getHaeguBoundaries(): Promise<HaeguBoundary[]> {
    return fetchJson('/api/v1/haegu/boundaries')
  },

  getHaeguTracks(haeguNo: number, hours = 24): Promise<VesselTrackResult[]> {
    return fetchJson(`/api/v2/tracks/haegu/${haeguNo}?hours=${hours}`)
  },

  getVesselTracks(mmsiList: string[], startTime: string, endTime: string): Promise<VesselTrackResult[]> {
    return postJson('/api/v2/tracks/vessels', { vessels: mmsiList, startTime, endTime })
  },

  getRecentPositions(minutes = 10): Promise<RecentPosition[]> {
    return fetchJson(`/api/v1/vessels/recent-positions?minutes=${minutes}`)
  },
}