// src/stores/user.ts
import { defineStore } from 'pinia'
import { ref, computed } from 'vue'
import type { User, UserStatus, WorkSchedule } from '@/types'
import { pb, getCurrentUser, isAuthenticated, logout as pbLogout } from '@/api/pocketbase'
import { getUser, updateUserStatus, updateWorkSchedule } from '@/api/users'

export const useUserStore = defineStore('user', () => {
  // 状态
  const user = ref<User | null>(null)
  const loading = ref(false)

  // 计算属性
  const isLoggedIn = computed(() => isAuthenticated() && user.value !== null)
  const userStatus = computed(() => user.value?.status || 'idle')
  const userId = computed(() => user.value?.id || '')

  // 初始化用户信息
  async function initUser() {
    if (!isAuthenticated()) {
      user.value = null
      return
    }

    try {
      loading.value = true
      const authUser = getCurrentUser() as User
      // 获取完整用户信息
      user.value = await getUser(authUser.id)
    } catch (error) {
      console.error('初始化用户信息失败:', error)
      user.value = null
    } finally {
      loading.value = false
    }
  }

  // 登录
  async function login(email: string, password: string) {
    try {
      loading.value = true
      await pb.collection('users').authWithPassword(email, password)
      await initUser()
      // 首次登录设置默认状态为空闲
      if (user.value && !user.value.status) {
        await setStatus('idle')
      }
    } catch (error: any) {
      throw new Error('邮箱或密码错误')
    } finally {
      loading.value = false
    }
  }

  // 注册
  async function register(data: { email: string; password: string; passwordConfirm: string; username: string }) {
    try {
      loading.value = true
      await pb.collection('users').create(data)
      await login(data.email, data.password)
    } catch (error: any) {
      const validation = error?.data?.data || error?.data
      if (validation) {
        const messages: string[] = []
        if (validation.email) messages.push('邮箱无效或已被使用')
        if (validation.username) messages.push('用户名无效或已被使用')
        if (validation.password) messages.push('密码不符合要求')
        if (messages.length > 0) throw new Error(messages.join('；'))
      }
      throw new Error(error.message || '注册失败')
    } finally {
      loading.value = false
    }
  }

  // 登出
  function logout() {
    pbLogout()
    user.value = null
  }

  // 更新状态
  async function setStatus(status: UserStatus, note?: string) {
    try {
      const updated = await updateUserStatus(status, note)
      if (user.value) {
        user.value.status = status
        user.value.statusNote = note
      }
      return updated
    } catch (error: any) {
      throw new Error(error.message || '更新状态失败')
    }
  }

  // 更新工作时间
  async function setWorkSchedule(schedule: WorkSchedule) {
    try {
      const updated = await updateWorkSchedule(schedule)
      if (user.value) {
        user.value.workdays = schedule.workdays
        user.value.workStartTime = schedule.workStartTime
        user.value.nextWorkTime = updated.nextWorkTime
      }
      return updated
    } catch (error: any) {
      throw new Error(error.message || '更新工作时间失败')
    }
  }

  // 检查并自动更新工作时间状态
  function checkWorkSchedule() {
    if (!user.value || !user.value.nextWorkTime) return

    const now = Math.floor(Date.now() / 1000)
    if (now >= user.value.nextWorkTime && user.value.status === 'idle') {
      setStatus('working')
    }
  }

  return {
    user,
    loading,
    isLoggedIn,
    userStatus,
    userId,
    initUser,
    login,
    register,
    logout,
    setStatus,
    setWorkSchedule,
    checkWorkSchedule
  }
})