using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;
using Model.ModelDto.SysDto;
using WMS.Entity;
using WMS.Entity.SysEntity;
using WMS.IBLL.ISysServer;
using WMS.IDAL;
using WMS.IDAL.ISysInterface;
using Model.ModelVm.SysVm;
using WMS.Entity.Context;
using Utility;
using Talk.Extensions;

namespace WMS.BLL.SysServer
{
    /// <summary>
    /// RBAC服务实践
    /// </summary>
    public class RBACServer : IRBACServer
    {
        /// <summary>
        /// 依赖注入
        /// </summary>
        public IRBACRepository _rbac { get; set; }
        private readonly IMenuRepository _menu;
        private readonly IRoleRightRepository _roleright;
        private static readonly SqlSugarScope Db = DataContext.Db;
        private readonly UserManager _userManager;
        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="rbac"></param>
        /// <param name="menu"></param>
        /// <param name="roleright"></param>
        public RBACServer(IRBACRepository rbac, IMenuRepository menu, IRoleRightRepository roleright, UserManager userManager)
        {
            _rbac = rbac;
            _menu = menu;
            _roleright = roleright;
            _userManager = userManager;
        }

        /// <summary>
        /// 获取rbac信息列表
        /// </summary>
        /// <returns></returns>
        public async Task<List<RBAC>> GetRBACLists(int roleid)
        {
            List<RBAC> rbaclist = await _rbac.GetRBACLists(roleid);
            return rbaclist;
        }

        /// <summary>
        /// 根据角色id获取对应菜单权限
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public async Task<List<RoleRightDto>> GetRoleRightList(int id)
        {
            return await Db.Queryable<SysRoleRight>()
                           .LeftJoin<SysRoles>((a, b) => a.RoleNo == b.RoleNo)
                           .LeftJoin<SysFunctionMenu>((a, b, c) => a.MenuNo == c.MenuNo)
                           .Where((a, b, c) => a.Id == id && a.IsDel == "0")
                           .Select<RoleRightDto>()
                           .ToListAsync();
        }

        /// <summary>
        /// 根据角色Id获取对应的菜单选中
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public async Task<List<FunctionMenuDto>> GetMenuByroleIdNew(int id)
        {
            List<RoleRightDto> rolerightlist = await Db.Queryable<SysRoleRight>().LeftJoin<SysRoles>((a, b) => a.RoleNo == b.RoleNo)
                                                                           .LeftJoin<SysFunctionMenu>((a, b, c) => a.MenuNo == c.MenuNo)
                                                                           .Where((a, b, c) => a.Id == id && a.IsDel == "0")
                                                                           .Select<RoleRightDto>()
                                                                           .ToListAsync();
            var listMenuNo = rolerightlist.Select(s => s.MenuNo).Distinct().ToList();
            List<FunctionMenuDto> listMenu = await Db.Queryable<SysFunctionMenu>().OrderBy(m => m.MenuNo).Select(m => new FunctionMenuDto()
            {
                //Id = m.Id,
                MenuNo = m.MenuNo,
                ParentId = m.ParentNo,
                title = m.MenuName,
                Expand = listMenuNo.Contains(m.MenuNo),
                @checked = listMenuNo.Contains(m.MenuNo)
            }).ToListAsync();
            var listParent = listMenu.Where(s => s.ParentId == "").ToList();
            var listChild = listMenu.Where(s => s.ParentId != "").ToList();
            foreach (var item in listParent)
            {
                FunNew(listChild, item);
            }
            return listParent;

        }
        public void FunNew(List<FunctionMenuDto> all, FunctionMenuDto curItem)
        {
            List<FunctionMenuDto> childItems = all.Where(m => m.ParentId == curItem.MenuNo).ToList(); //得到子节点
            curItem.children = childItems; //将子节点加入

            //遍历子节点，进行递归，寻找子节点的子节点
            foreach (var subItem in childItems)
            {
                FunNew(all, subItem);
            }
        }



        /// <summary>
        /// 分配权限显示
        /// </summary>
        /// <param name="MenuNo"></param>
        /// <param name="UserId"></param>
        /// <returns></returns>
        public async Task<List<FunctionMenuDto>> GetRoleRightRBAC(string MenuNo, string UserId)
        {
            var modUser = await Db.Queryable<SysUserInfor>().FirstAsync(s => s.Id == _userManager.UserId);
            return await Db.Queryable<SysFunctionMenu>()
                            .Where(s => s.IsDel == "0")
                            .WhereIF(!string.IsNullOrEmpty(MenuNo), s => s.ParentNo == MenuNo)
                            .WhereIF(modUser.UserName.ToUpper() != "ADMIN", s => SqlFunc.Subqueryable<SysRoleRight>().Where(c => c.RoleNo == modUser.RoleNo && s.MenuNo == c.MenuNo).Any())
                            .OrderBy(s => s.Ord, OrderByType.Asc)
                            .Select<FunctionMenuDto>()
                            .ToListAsync();
        }
    }
}