import type { User } from '@/types/auth'
import { apiClient } from '../client'

export interface Plan {
  id: number
  code: string
  name: string
  description?: string
  credits: number
  max_credits: number
  created_at: string
  updated_at: string
}

export interface UserUpdate {
  name?: string
  plan_id?: number
  credits?: number
  is_active?: boolean
  role?: 'user' | 'admin'
}

export interface MessageResponse {
  message: string
}

export interface GetUsersParams {
  page?: number
  limit?: number
  search?: string
  sort_by?: string
  sort_order?: string
  status_filter?: string
}

export interface GetUsersResponse {
  users: User[]
  total: number
  page: number
  limit: number
  total_pages: number
}

export interface ScanResults {
  added: number
  updated: number
  deleted: number
  skipped: number
  duplicates: number
  errors: string[]
  files_added: string[]
  files_updated: string[]
  files_deleted: string[]
  files_skipped: string[]
}

export interface NormalizationResults {
  processed: number
  normalized: number
  skipped: number
  errors: number
  error_details: string[]
}

export interface ScanResponse {
  message: string
  results: ScanResults
}

export interface NormalizationResponse {
  message: string
  results: NormalizationResults
}

export class AdminService {
  async listUsers(params?: GetUsersParams): Promise<GetUsersResponse> {
    const searchParams = new URLSearchParams()
    
    if (params?.page) {
      searchParams.append('page', params.page.toString())
    }
    if (params?.limit) {
      searchParams.append('limit', params.limit.toString())
    }
    if (params?.search) {
      searchParams.append('search', params.search)
    }
    if (params?.sort_by) {
      searchParams.append('sort_by', params.sort_by)
    }
    if (params?.sort_order) {
      searchParams.append('sort_order', params.sort_order)
    }
    if (params?.status_filter) {
      searchParams.append('status_filter', params.status_filter)
    }
    
    const url = searchParams.toString()
      ? `/api/v1/admin/users/?${searchParams.toString()}`
      : '/api/v1/admin/users/'
    return apiClient.get<GetUsersResponse>(url)
  }

  async getUser(userId: number): Promise<User> {
    return apiClient.get<User>(`/api/v1/admin/users/${userId}`)
  }

  async updateUser(userId: number, data: UserUpdate): Promise<User> {
    return apiClient.patch<User>(`/api/v1/admin/users/${userId}`, data)
  }

  async disableUser(userId: number): Promise<MessageResponse> {
    return apiClient.post<MessageResponse>(
      `/api/v1/admin/users/${userId}/disable`,
    )
  }

  async enableUser(userId: number): Promise<MessageResponse> {
    return apiClient.post<MessageResponse>(
      `/api/v1/admin/users/${userId}/enable`,
    )
  }

  async listPlans(): Promise<Plan[]> {
    return apiClient.get<Plan[]>(`/api/v1/admin/users/plans/list`)
  }

  // Sound Management
  async scanSounds(): Promise<ScanResponse> {
    return apiClient.post<ScanResponse>(`/api/v1/admin/sounds/scan`)
  }

  async normalizeAllSounds(
    force = false,
    onePass?: boolean,
  ): Promise<NormalizationResponse> {
    const params = new URLSearchParams()
    if (force) params.append('force', 'true')
    if (onePass !== undefined) params.append('one_pass', onePass.toString())

    const queryString = params.toString()
    const url = queryString
      ? `/api/v1/admin/sounds/normalize/all?${queryString}`
      : `/api/v1/admin/sounds/normalize/all`

    return apiClient.post<NormalizationResponse>(url)
  }

  async normalizeSoundsByType(
    soundType: 'SDB' | 'TTS' | 'EXT',
    force = false,
    onePass?: boolean,
  ): Promise<NormalizationResponse> {
    const params = new URLSearchParams()
    if (force) params.append('force', 'true')
    if (onePass !== undefined) params.append('one_pass', onePass.toString())

    const queryString = params.toString()
    const url = queryString
      ? `/api/v1/admin/sounds/normalize/type/${soundType}?${queryString}`
      : `/api/v1/admin/sounds/normalize/type/${soundType}`

    return apiClient.post<NormalizationResponse>(url)
  }
}

export const adminService = new AdminService()