import { ref, computed } from 'vue'
import { defineStore } from 'pinia'
import { useRouter } from 'vue-router'

export const useAuthStore = defineStore('auth', () => {
  const router = useRouter()

  // 状态
  const token = ref(localStorage.getItem('token') || null)
  const user = ref(null)

  // 计算属性
  const isAuthenticated = computed(() => !!token.value)

  // 方法
  const login = async (credentials) => {
    try {
      // TODO: 调用登录API
      console.log('登录凭证:', credentials)

      // 模拟登录成功
      const mockToken = 'mock-jwt-token-' + Date.now()
      const mockUser = {
        id: 1,
        name: '张三',
        email: credentials.email,
        role: 'student',
      }

      // 保存认证信息
      token.value = mockToken
      user.value = mockUser
      localStorage.setItem('token', mockToken)
      localStorage.setItem('user', JSON.stringify(mockUser))

      // 跳转到主页
      router.push('/')

      return { success: true }
    } catch (error) {
      console.error('登录失败:', error)
      return { success: false, error: error.message }
    }
  }

  const logout = () => {
    // 清除认证信息
    token.value = null
    user.value = null
    localStorage.removeItem('token')
    localStorage.removeItem('user')

    // 跳转到登录页
    router.push('/login')
  }

  const initializeAuth = () => {
    const savedToken = localStorage.getItem('token')
    const savedUser = localStorage.getItem('user')

    if (savedToken && savedUser) {
      token.value = savedToken
      user.value = JSON.parse(savedUser)
    }
  }

  return {
    token,
    user,
    isAuthenticated,
    login,
    logout,
    initializeAuth,
  }
})