import { apiRequest, extractItems } from './client'
import type {
  AchievementDto,
  AuthResponse,
  CoinTransactionDto,
  CourseDto,
  LectureDto,
  LectureQuery,
  LocationDto,
  PagedResult,
  ReviewDto,
  SyncResultDto,
  SyncScheduleRequest,
  SyncStatusDto,
  TagDto,
  UserAchievementDto,
  UserDto,
  UserQuery,
  UserStatsDto,
} from './types'

export const authApi = {
  loginMicrosoft: (authorizationCode: string, redirectUri?: string) =>
    apiRequest<AuthResponse>('/auth/login/microsoft', {
      method: 'POST',
      body: JSON.stringify({ authorizationCode, redirectUri }),
    }),
  refresh: () => apiRequest<AuthResponse>('/auth/refresh', { method: 'POST' }),
  logout: () => apiRequest<void>('/auth/logout', { method: 'POST' }),
  me: () => apiRequest<UserDto>('/auth/me'),
}

export const lecturesApi = {
  async list(query: LectureQuery = {}) {
    const payload = await apiRequest<PagedResult<LectureDto> | LectureDto[]>('/lectures', {
      query: query as Record<string, unknown>,
    })
    return extractItems(payload)
  },
  get: (id: string | number) => apiRequest<LectureDto>(`/lectures/${id}`),
  enroll: (id: string | number) => apiRequest<void>(`/lectures/${id}/enroll`, { method: 'POST' }),
  unenroll: (id: string | number) => apiRequest<void>(`/lectures/${id}/enroll`, { method: 'DELETE' }),
  async reviews(id: string | number) {
    const payload = await apiRequest<PagedResult<ReviewDto> | ReviewDto[]>(`/lectures/${id}/reviews`)
    return extractItems(payload)
  },
}

export const usersApi = {
  get: (id: string | number) => apiRequest<UserDto>(`/users/${id}`),
  async list(query: UserQuery = {}) {
    const payload = await apiRequest<PagedResult<UserDto> | UserDto[]>('/users', {
      query: query as Record<string, unknown>,
    })
    return extractItems(payload)
  },
  stats: (id: string | number) => apiRequest<UserStatsDto>(`/users/${id}/stats`),
  async enrollments(id: string | number) {
    const payload = await apiRequest<PagedResult<LectureDto> | LectureDto[] | undefined>(`/users/${id}/enrollments`)
    return extractItems(payload)
  },
  async achievements(id: string | number) {
    const payload = await apiRequest<PagedResult<UserAchievementDto> | UserAchievementDto[] | AchievementDto[]>(
      `/users/${id}/achievements`,
    )
    if (Array.isArray(payload)) return payload
    return payload.items ?? []
  },
  async transactions(id: string | number) {
    const payload = await apiRequest<PagedResult<CoinTransactionDto> | CoinTransactionDto[]>(
      `/users/${id}/transactions`,
    )
    return extractItems(payload)
  },
  setRole: (id: string | number, roles: Array<'Student' | 'Teacher' | 'Admin'>) =>
    apiRequest<void>(`/users/${id}/role`, { method: 'PATCH', body: JSON.stringify(roles) }),
  setActive: (id: string | number, isActive: boolean) =>
    apiRequest<void>(`/users/${id}/active`, { method: 'PATCH', body: JSON.stringify(isActive) }),
}

export const achievementsApi = {
  async list() {
    const payload = await apiRequest<PagedResult<AchievementDto> | AchievementDto[]>('/achievements')
    return extractItems(payload)
  },
}

export const reviewsApi = {
  create: (lectureId: string | number, rating: 'Like' | 'Neutral' | 'Dislike', text: string) =>
    apiRequest<ReviewDto>('/reviews', {
      method: 'POST',
      body: JSON.stringify({ lectureId: Number(lectureId), rating, text }),
    }),
  async pending() {
    const payload = await apiRequest<PagedResult<ReviewDto> | ReviewDto[]>('/reviews/pending')
    return extractItems(payload)
  },
  reanalyze: (id: string | number) => apiRequest<void>(`/reviews/${id}/reanalyze`, { method: 'POST' }),
}

export const coursesApi = {
  async list() {
    const payload = await apiRequest<PagedResult<CourseDto> | CourseDto[]>('/courses', { query: { PageSize: 100 } })
    return extractItems(payload)
  },
}

export const locationsApi = {
  async list() {
    const payload = await apiRequest<PagedResult<LocationDto> | LocationDto[]>('/locations')
    return extractItems(payload)
  },
}

export const tagsApi = {
  async list() {
    const payload = await apiRequest<PagedResult<TagDto> | TagDto[]>('/tags')
    return extractItems(payload)
  },
}

export const syncApi = {
  status: () => apiRequest<SyncStatusDto>('/sync/status'),
  schedule: (request: SyncScheduleRequest) =>
    apiRequest<SyncResultDto>('/sync/schedule', {
      method: 'POST',
      body: JSON.stringify(request),
    }),
  rooms: () => apiRequest<SyncResultDto>('/sync/rooms', { method: 'POST' }),
}