import axios from 'axios'

import { apiClient } from './client'

export interface AdminUser {
  id: number
  username: string
  nickname: string
  status: string
  last_login_at?: string
}

export interface AdminTokenPair {
  access_token: string
  refresh_token: string
  token_type: string
  expires_in: number
}

export interface AdminLoginData {
  admin: AdminUser
  tokens: AdminTokenPair
}

export interface AdminCaptcha {
  captcha_id: string
  image: string
  expires_in: number
}

interface ApiResponse<T> {
  code: string
  message: string
  data: T
}

export async function fetchAdminCaptcha() {
  const { data } = await apiClient.get<ApiResponse<AdminCaptcha>>('/admin/auth/captcha')
  return data.data
}

export async function loginAdmin(username: string, password: string, captchaId: string, captchaCode: string) {
  const { data } = await apiClient.post<ApiResponse<AdminLoginData>>('/admin/auth/login', {
    username,
    password,
    captcha_id: captchaId,
    captcha_code: captchaCode,
  })
  return data.data
}

export async function fetchAdminMe() {
  const { data } = await apiClient.get<ApiResponse<AdminUser>>('/admin/me')
  return data.data
}

export async function logoutAdmin() {
  const { data } = await apiClient.post<ApiResponse<{ logged_out: boolean }>>('/admin/auth/logout')
  return data.data
}

/** Manually refresh admin token (uses raw axios to avoid interceptor recursion) */
export async function refreshAdminSession() {
  const refreshToken = localStorage.getItem('admin_refresh_token')
  if (!refreshToken) throw new Error('no refresh token')
  const { data } = await axios.post('/api/admin/auth/refresh', { refresh_token: refreshToken })
  return data.data as AdminTokenPair
}