import { defineStore } from 'pinia'
import { ref, computed } from 'vue'

export const useAuthStore = defineStore('auth', () => {
  // 状态
  const userInfo = ref(null)
  const token = ref(null)
  const isLoggedIn = ref(false)

  // 计算属性
  const isAuthenticated = computed(() => {
    return isLoggedIn.value && token.value && userInfo.value
  })

  // 登录
  const login = (userData, authToken) => {
    userInfo.value = userData
    token.value = authToken
    isLoggedIn.value = true
    
    // 保存到本地存储
    uni.setStorageSync('userInfo', userData)
    uni.setStorageSync('token', authToken)
    uni.setStorageSync('isLoggedIn', true)
  }

  // 登出
  const logout = () => {
    userInfo.value = null
    token.value = null
    isLoggedIn.value = false
    
    // 清除本地存储
    uni.removeStorageSync('userInfo')
    uni.removeStorageSync('token')
    uni.removeStorageSync('isLoggedIn')
    
    console.log('用户已登出')
  }

  // 初始化认证状态（从本地存储恢复）
  const initAuth = () => {
    try {
      const savedUserInfo = uni.getStorageSync('userInfo')
      const savedToken = uni.getStorageSync('token')
      const savedIsLoggedIn = uni.getStorageSync('isLoggedIn')
      
      if (savedUserInfo && savedToken && savedIsLoggedIn) {
        userInfo.value = savedUserInfo
        token.value = savedToken
        isLoggedIn.value = savedIsLoggedIn
        console.log('从本地存储恢复用户状态')
      }
    } catch (error) {
      console.error('初始化认证状态失败:', error)
    }
  }

  // 检查登录状态
  const checkAuth = () => {
    return isAuthenticated.value
  }

  // 更新用户信息
  const updateUserInfo = (newUserInfo) => {
    userInfo.value = { ...userInfo.value, ...newUserInfo }
    uni.setStorageSync('userInfo', userInfo.value)
  }

  return {
    // 状态
    userInfo,
    token,
    isLoggedIn,
    
    // 计算属性
    isAuthenticated,
    
    // 方法
    login,
    logout,
    initAuth,
    checkAuth,
    updateUserInfo
  }
})