/**
 * 用户状态管理
 */
import { defineStore } from 'pinia'
import { ref, computed } from 'vue'
import type { UserInfo, LoginParams, LoginResult, CaptchaResult } from '@/types'
import { mockGetCaptcha, mockLogin, mockGetUserInfo } from '@/mock'

// 是否使用Mock数据
const USE_MOCK = true

export const useUserStore = defineStore('user', () => {
  // 状态
  const token = ref<string>(localStorage.getItem('token') || '')
  const userInfo = ref<UserInfo | null>(null)

  // 计算属性
  const isLoggedIn = computed(() => !!token.value)
  const username = computed(() => userInfo.value?.username || '')
  const nickname = computed(() => userInfo.value?.nickname || userInfo.value?.username || '')
  const avatar = computed(() => userInfo.value?.avatar || '')

  // 获取验证码
  async function getCaptcha(): Promise<CaptchaResult> {
    if (USE_MOCK) {
      return await mockGetCaptcha()
    }
    // 真实API调用
    const { request } = await import('@/utils/request')
    const res = await request.get<CaptchaResult>('/auth/captcha')
    return res.data.data
  }

  // 登录
  async function login(params: LoginParams): Promise<LoginResult> {
    let data: LoginResult

    if (USE_MOCK) {
      data = await mockLogin(params)
    } else {
      // 真实API调用
      const { request } = await import('@/utils/request')
      const res = await request.post<LoginResult>('/auth/login', params)
      data = res.data.data
    }

    // 保存token
    token.value = data.token
    localStorage.setItem('token', data.token)

    // 保存用户信息
    userInfo.value = data.userInfo

    return data
  }

  // 登出
  async function logout(): Promise<void> {
    try {
      if (!USE_MOCK) {
        const { request } = await import('@/utils/request')
        await request.post('/auth/logout')
      }
    } catch (error) {
      console.error('登出请求失败:', error)
    } finally {
      // 清除本地状态
      token.value = ''
      userInfo.value = null
      localStorage.removeItem('token')
    }
  }

  // 获取用户信息
  async function getUserInfo(): Promise<UserInfo> {
    if (USE_MOCK) {
      const info = await mockGetUserInfo()
      userInfo.value = info
      return info
    }
    const { request } = await import('@/utils/request')
    const res = await request.get<UserInfo>('/user/info')
    userInfo.value = res.data.data
    return res.data.data
  }

  // 设置用户信息
  function setUserInfo(info: UserInfo) {
    userInfo.value = info
  }

  // 重置状态
  function resetState() {
    token.value = ''
    userInfo.value = null
    localStorage.removeItem('token')
  }

  return {
    // 状态
    token,
    userInfo,
    // 计算属性
    isLoggedIn,
    username,
    nickname,
    avatar,
    // 方法
    getCaptcha,
    login,
    logout,
    getUserInfo,
    setUserInfo,
    resetState
  }
})