import { TravelPlan, BasePoint } from '../types'

const API_URL = import.meta.env.VITE_API_URL || 'http://localhost:3000'

// 여행 계획 API
export const travelPlanAPI = {
  // 여행 계획 조회
  async get(): Promise<TravelPlan | null> {
    try {
      const response = await fetch(`${API_URL}/api/travel-plans`)
      if (!response.ok) throw new Error('Failed to fetch travel plan')
      const data = await response.json()

      if (!data) return null

      // Date 객체로 변환
      return {
        ...data,
        startDate: new Date(data.startDate),
        endDate: new Date(data.endDate),
        schedule: data.schedule.map((day: any) => ({
          ...day,
          date: new Date(day.date),
        })),
      }
    } catch (error) {
      console.error('Error fetching travel plan:', error)
      // API 서버가 없으면 null 반환 (기본 데이터 사용)
      return null
    }
  },

  // 여행 계획 저장
  async save(travelPlan: TravelPlan): Promise<void> {
    try {
      const response = await fetch(`${API_URL}/api/travel-plans`, {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify(travelPlan),
      })

      if (!response.ok) throw new Error('Failed to save travel plan')
    } catch (error) {
      console.error('Error saving travel plan:', error)
      // API 서버가 없으면 무시 (로컬 상태만 사용)
    }
  },
}

// 기본 포인트 API
export const basePointsAPI = {
  // 모든 기본 포인트 조회
  async getAll(): Promise<BasePoint[]> {
    try {
      const response = await fetch(`${API_URL}/api/base-points`)
      if (!response.ok) throw new Error('Failed to fetch base points')
      return await response.json()
    } catch (error) {
      console.error('Error fetching base points:', error)
      throw error
    }
  },

  // 기본 포인트 추가
  async create(basePoint: Omit<BasePoint, 'id'>): Promise<BasePoint> {
    try {
      const response = await fetch(`${API_URL}/api/base-points`, {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify(basePoint),
      })

      if (!response.ok) throw new Error('Failed to create base point')
      return await response.json()
    } catch (error) {
      console.error('Error creating base point:', error)
      throw error
    }
  },

  // 기본 포인트 삭제
  async delete(id: string): Promise<void> {
    try {
      const response = await fetch(`${API_URL}/api/base-points/${id}`, {
        method: 'DELETE',
      })

      if (!response.ok) throw new Error('Failed to delete base point')
    } catch (error) {
      console.error('Error deleting base point:', error)
      throw error
    }
  },
}