import { computed } from 'vue'
import { useRouter } from 'vue-router'
import { useUserStore } from '@/stores/userStore'

/**
 * 认证相关组合式函数
 */
export function useAuth() {
  const router = useRouter()
  const userStore = useUserStore()

  const isAuthenticated = computed(() => userStore.isAuthenticated)
  const isAdmin = computed(() => userStore.isAdmin)
  const currentUser = computed(() => userStore.user)

  // 检查权限
  const checkPermission = (requiredRole) => {
    if (requiredRole === 'admin' && !isAdmin.value) {
      return false
    }
    return true
  }

  // 需要登录
  const requireAuth = () => {
    if (!isAuthenticated.value) {
      router.push('/login')
      return false
    }
    return true
  }

  // 需要管理员权限
  const requireAdmin = () => {
    if (!isAuthenticated.value) {
      router.push('/login')
      return false
    }
    if (!isAdmin.value) {
      router.push('/dashboard')
      return false
    }
    return true
  }

  return {
    isAuthenticated,
    isAdmin,
    currentUser,
    checkPermission,
    requireAuth,
    requireAdmin
  }
}