import type { UserGender } from '@/types'
import { type AdminUserDetail } from '@/services/adminUserDetail'
import {
  createServiceError,
  errorResult,
  handleServiceError,
  type ServiceCallOptions,
  type ServiceResult,
  shouldBubbleErrorToParent,
  successResult,
} from '@/services/errorHandler'
import { unwrapApiData } from '@/services/apiResponse'
import { getAdminUsers } from '@/api/generated/admin-users/admin-users'
import { getAdminUserDetail } from '@/api/generated/admin-user-detail/admin-user-detail'
import type { UserProfileResponseDto } from '@/api/generated/models'

/** Subset of AdminUpdateUserDto — only changed fields should be sent (partial PATCH). */
export type AdminUpdateUserPayload = Partial<{
  firstName: string
  lastName: string
  gender: UserGender
  cityId: number
  avatarUrl: string
  bio: string
  status: 'active' | 'suspended'
  hostPlan: 'free' | 'unlimited'
}>

const adminUsersApi = getAdminUsers()
const adminUserDetailApi = getAdminUserDetail()

export const ADMIN_UPDATE_USER = async (
  userId: string,
  payload: AdminUpdateUserPayload,
  options?: ServiceCallOptions
): Promise<ServiceResult<AdminUserDetail>> => {
  try {
    const res = await adminUsersApi.adminUsersControllerUpdate(userId, payload)
    const body = res.data

    if (!body.success) {
      throw createServiceError(body.message || 'ویرایش اطلاعات کاربر ناموفق بود')
    }

    const updated = unwrapApiData(body)

    if (!updated?.id) {
      throw createServiceError('پاسخ نامعتبر از سرور')
    }

    const detailResponse = await adminUserDetailApi.adminUserDetailControllerGetDetail(userId)

    if (!detailResponse.data.success) {
      throw createServiceError(detailResponse.data.message || 'دریافت اطلاعات به‌روزشده ناموفق بود')
    }

    const detail = unwrapApiData(detailResponse.data)

    if (!detail?.id) throw createServiceError('پاسخ نامعتبر از سرور')

    return successResult(detail)
  } catch (error) {
    const normalizedError = handleServiceError(error, options)

    if (shouldBubbleErrorToParent(options)) {
      throw normalizedError
    }

    return errorResult(normalizedError)
  }
}

export const ADMIN_CHANGE_USER_MOBILE = async (
  userId: string,
  mobile: string,
  options?: ServiceCallOptions
): Promise<ServiceResult<UserProfileResponseDto>> => {
  try {
    const res = await adminUsersApi.adminUsersControllerChangeMobile(userId, { mobile })
    const body = res.data

    if (!body.success) {
      throw createServiceError(body.message || 'تغییر شماره موبایل کاربر ناموفق بود')
    }

    const updated = unwrapApiData(body)

    if (!updated?.id || updated.mobile !== mobile) {
      throw createServiceError('پاسخ نامعتبر از سرور')
    }

    return successResult(updated)
  } catch (error) {
    const normalizedError = handleServiceError(error, options)

    if (shouldBubbleErrorToParent(options)) throw normalizedError

    return errorResult(normalizedError)
  }
}