import { defineStore } from 'pinia'
import { ref } from 'vue'
import { request } from '@/api/request'

export const usePermissionStore = defineStore('permission', () => {
  const permissions = ref<string[]>([])
  const loaded = ref(false)

  // 获取用户权限列表
  async function fetchPermissions(userId: number) {
    try {
      const res = await request.get<string[]>(`/sys/menu/permissions/${userId}`)
      permissions.value = res.data || []
      loaded.value = true
      return permissions.value
    } catch (error) {
      console.error('获取权限失败:', error)
      return []
    }
  }

  // 检查是否有权限
  function hasPermission(permission: string | string[]): boolean {
    if (!permission) return true
    if (permissions.value.length === 0) return false
    
    if (Array.isArray(permission)) {
      return permission.some(p => permissions.value.includes(p))
    }
    return permissions.value.includes(permission)
  }

  // 清空权限
  function clearPermissions() {
    permissions.value = []
    loaded.value = false
  }

  return {
    permissions,
    loaded,
    fetchPermissions,
    hasPermission,
    clearPermissions
  }
})