package service

import (
	"strings"
	"ulink-admin/frame"
	dao2 "ulink-admin/modules/system/dao"
	"ulink-admin/modules/system/models/model"
	"ulink-admin/modules/system/models/req"
	"ulink-admin/pkg/base"
	"xorm.io/xorm"
)

type MenuService struct {
	MenuDao *dao2.MenuDao `inject:""`
	RoleDao *dao2.RoleDao `inject:""`
}

// GetMenuTreeByUserId 根据用户ID查询菜单
func (s MenuService) GetMenuTreeByUserId(user *model.SysUser) *[]model.SysMenu {
	var menuList *[]model.SysMenu
	//判断是否是管理员
	flag := model.SysUser{}.IsAdmin(user.Id)
	if flag {
		menuList = s.MenuDao.GetMenuAll()
	} else {
		menuList = s.MenuDao.GetMenuByUserId(user.Id)
	}
	return menuList
}

// GetMenusTreeByUserId 根据用户ID查询菜单
func (s MenuService) GetMenusTreeByUserId(user *model.SysUser) *[]model.SysMenu {
	var menuList *[]model.SysMenu
	//判断是否是管理员
	flag := model.SysUser{}.IsAdmin(user.Id)
	if flag {
		menuList = s.MenuDao.GetMenusAll()
	} else {
		menuList = s.MenuDao.GetMenusByUserId(user.Id)
	}
	return menuList
}

// SelectMenuListByRoleId 根据角色ID查询菜单树信息
func (s MenuService) SelectMenuListByRoleId(id int64) *[]int64 {
	role := s.RoleDao.SelectRoleByRoleId(id)
	return s.MenuDao.GetMenuByRoleId(id, role.MenuCheckStrictly)
}

// GetMenuList 获取菜单列表
func (s MenuService) GetMenuList(query *req.MenuQuery, info *model.SysUser) []model.SysMenu {
	if info.IsAdmin(info.Id) {
		return s.MenuDao.GetMenuList(query)
	} else {
		query.Id = info.Id
		return s.MenuDao.GetMenuListByUserId(query)
	}
}

// GetMenuByMenuId 根据菜单ID查询信息
func (s MenuService) GetMenuByMenuId(id int64) *model.SysMenu {
	return s.MenuDao.GetMenuByMenuId(id)
}

// InsertMenu 添加菜单数据
func (s MenuService) InsertMenu(menu *model.SysMenu) {
	base.Transaction(func(session *xorm.Session) {
		s.MenuDao.Insert(menu)
		//自动插入菜单的通用按钮权限
		if menu.MenuType == "C" {
			ary := strings.Split(menu.Perms, ":")
			prex := strings.Join(ary[:len(ary)-1], ":")
			list := &model.SysMenu{MenuName: "查询", Status: "0", ParentId: menu.Id, OrderNum: 1, Path: menu.Path + "/list:get", MenuType: "F", Perms: prex + ":" + "list"}
			add := &model.SysMenu{MenuName: "新增", Status: "0", ParentId: menu.Id, OrderNum: 2, Path: menu.Path + "/list/add:post", MenuType: "F", Perms: prex + ":" + "edit"}
			edit := &model.SysMenu{MenuName: "修改", Status: "0", ParentId: menu.Id, OrderNum: 3, Path: menu.Path + "/:put", MenuType: "F", Perms: prex + ":" + "edit"}
			remove := &model.SysMenu{MenuName: "删除", Status: "0", ParentId: menu.Id, OrderNum: 4, Path: menu.Path + "/:delete", MenuType: "F", Perms: prex + ":" + "remove"}
			detail := &model.SysMenu{MenuName: "详情", Status: "0", ParentId: menu.Id, OrderNum: 5, Path: menu.Path + "/list:detail", MenuType: "F", Perms: prex + ":" + "detail"}
			//	export := &model.SysMenu{MenuName: "导出", ParentId: menu.Id, OrderNum: 6, Path: menu.Path + "/list:export", MenuType: "F", Perms: prex + ":" + "export"}
			s.MenuDao.Insert(list)
			s.MenuDao.Insert(add)
			s.MenuDao.Insert(edit)
			s.MenuDao.Insert(remove)
			s.MenuDao.Insert(detail)
		}
	})

}

// Update 修改菜单数据
func (s MenuService) Update(menu *model.SysMenu) {
	//查询原来菜单类型
	base.Transaction(func(session *xorm.Session) {
		oldMenu := s.MenuDao.GetMenuByMenuId(menu.GetId())
		s.MenuDao.Update(menu)
		if oldMenu.MenuType != menu.MenuType {
			if menu.MenuType == "C" {
				ary := strings.Split(menu.Perms, ":")
				prex := strings.Join(ary[:len(ary)-1], ":")
				list := &model.SysMenu{MenuName: "查询", ParentId: menu.Id, OrderNum: 1, Path: menu.Path + "/list:get", MenuType: "F", Perms: prex + ":" + "list"}
				add := &model.SysMenu{MenuName: "新增", ParentId: menu.Id, OrderNum: 2, Path: menu.Path + "/list/add:post", MenuType: "F", Perms: prex + ":" + "edit"}
				edit := &model.SysMenu{MenuName: "修改", ParentId: menu.Id, OrderNum: 3, Path: menu.Path + "/:put", MenuType: "F", Perms: prex + ":" + "edit"}
				remove := &model.SysMenu{MenuName: "删除", ParentId: menu.Id, OrderNum: 4, Path: menu.Path + "/:delete", MenuType: "F", Perms: prex + ":" + "remove"}
				detail := &model.SysMenu{MenuName: "详情", ParentId: menu.Id, OrderNum: 5, Path: menu.Path + "/list:detail", MenuType: "F", Perms: prex + ":" + "detail"}
				s.MenuDao.Insert(list)
				s.MenuDao.Insert(add)
				s.MenuDao.Insert(edit)
				s.MenuDao.Insert(remove)
				s.MenuDao.Insert(detail)
			} else {
				//删除parentId为menuId的菜单
				query := &req.MenuQuery{}
				query.ParentId = int64(menu.Id)
				list := s.MenuDao.GetMenuList(query)
				for _, item := range list {
					s.MenuDao.Delete(item.Id, &model.SysMenu{})
				}
			}
		}
	})
}

// 删除菜单操作
func (s MenuService) Delete(id int64) {
	//判断是否存在子节点
	if s.MenuDao.SelectSubMenuCount(id) > 0 {
		frame.Throw(frame.BUSINESS_CODE, "请先删除子接节点")
	}
	s.MenuDao.Delete(&model.SysMenu{}, id)
}
func (s MenuService) SelectSubMenuCount(id int64) int64 {
	return s.MenuDao.SelectSubMenuCount(id)
}

func (s MenuService) GetMenus(query *req.MenuQuery) []model.SysMenu {
	return s.MenuDao.GetMenuList(query)
}

func (s MenuService) GetMenuByCon(query *req.MenuQuery) *model.SysMenu {
	list := s.GetMenus(query)
	if len(list) > 0 {
		return &list[0]
	}
	return nil
}