using SqlSugar;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WIDESEAWCS_Core;
using WIDESEAWCS_Core.BaseRepository;
using WIDESEAWCS_Core.BaseServices;
using WIDESEAWCS_Core.Helper;
using WIDESEAWCS_ISystemRepository;
using WIDESEAWCS_ISystemServices;
using WIDESEAWCS_Model;
using WIDESEAWCS_Model.Models;

namespace WIDESEAWCS_SystemServices
{
    public class Sys_MenuService : ServiceBase<Sys_Menu, ISys_MenuRepository>, ISys_MenuService
    {
        private readonly IUnitOfWorkManage _unitOfWorkManage;

        public Sys_MenuService(ISys_MenuRepository BaseDal, IUnitOfWorkManage unitOfWorkManage) : base(BaseDal)
        {
            _unitOfWorkManage = unitOfWorkManage;
        }

        /// <summary>
        /// 获取当前用户所有菜单与权限
        /// </summary>
        /// <returns></returns>
        public object GetCurrentMenuActionList()
        {
            object obj = GetMenuActionList(App.User.RoleId);
            if (obj is IEnumerable<object> list)
            {
                if (list.Any())
                {
                    return obj;
                }
                else
                {
                    return WebResponseContent.Instance.Error("未获取到菜单信息");
                }
            }
            return obj;
        }

        /// <summary>
        /// 根据角色ID获取菜单与权限
        /// </summary>
        /// <param name="roleId"></param>
        /// <returns></returns>
        public object GetMenuActionList(int roleId)
        {
            if (App.User.IsRoleIdSuperAdmin(roleId))
            {
                return BaseDal.GetSuperAdminMenu();
            }
            return BaseDal.GetMenuByRoleId(roleId);
        }


        public List<Sys_Menu> GetUserMenuList(int roleId)
        {
            if (App.User.IsRoleIdSuperAdmin(roleId))
            {
                return BaseDal.GetAllMenu();
            }
            List<int> menuIds = BaseDal.GetPermissions(roleId).Select(x => x.MenuId).ToList();
            return BaseDal.GetAllMenu().Where(x => menuIds.Contains(x.MenuId)).ToList();
        }

        public List<Sys_Actions> GetActions(int menuId, List<Sys_Actions> menuActions, List<Permissions> permissions, int roleId)
        {
            if (App.User.IsRoleIdSuperAdmin(roleId))
            {
                return menuActions;
            }

            return menuActions.Where(p => permissions
                 .Exists(w => menuId == w.MenuId
                 && w.UserAuthArr.Contains(p.Value)))
                  .ToList();
        }

        /// <summary>
        /// 编辑修改菜单时,获取所有菜单
        /// </summary>
        /// <returns></returns>
        public object GetMenu()
        {
            if (App.User.IsRoleIdSuperAdmin(App.User.RoleId))
            {
                List<int> menuIds = BaseDal.QueryData().Select(x => x.MenuId).ToList();
                return BaseDal.GetMenu(menuIds);
            }
            else
            {
                List<int> menuIds = BaseDal.GetPermissions(App.User.RoleId).Select(x => x.MenuId).ToList();
                return BaseDal.GetMenu(menuIds);
            }
        }

        /// <summary>
        /// 编辑菜单时，获取菜单信息
        /// </summary>
        /// <param name="menuId"></param>
        /// <returns></returns>
        public object GetTreeItem(int menuId)
        {
            return BaseDal.GetTreeItem(menuId);
        }

        /// <summary>
        /// 新建或编辑菜单
        /// </summary>
        /// <param name="menu"></param>
        /// <returns></returns>
        public WebResponseContent Save(Sys_Menu menu)
        {
            WebResponseContent webResponse = new WebResponseContent();
            if (menu == null) return webResponse.Error("没有获取到提交的参数");
            if (menu.MenuId > 0 && menu.MenuId == menu.ParentId) return webResponse.Error("父级ID不能是当前菜单的ID");
            try
            {
                //webResponse = menu.ValidationEntity(x => new { x.MenuName, x.TableName });
                //if (!webResponse.Status) return webResponse;
                if (menu.TableName != "/" && menu.TableName != ".")
                {
                    // 2022.03.26增移动端加菜单类型判断
                    Sys_Menu sysMenu = BaseDal.QueryFirst(x => x.TableName == menu.TableName);
                    if (sysMenu != null)
                    {
                        sysMenu.MenuType ??= 0;
                        if (sysMenu.MenuType == menu.MenuType)
                        {
                            if ((menu.MenuId > 0 && sysMenu.MenuId != menu.MenuId)
                            || menu.MenuId <= 0)
                            {
                                return webResponse.Error($"视图/表名【{menu.TableName}】已被其他菜单使用");
                            }
                        }
                    }
                }
                bool _changed = false;
                if (menu.MenuId <= 0)
                {
                    int id = BaseDal.AddData(menu);
                    menu.MenuId = id;
                }
                else
                {
                    //2020.05.07新增禁止选择上级角色为自己
                    if (menu.MenuId == menu.ParentId)
                    {
                        return webResponse.Error($"父级id不能为自己");
                    } 
                    if (BaseDal.QueryFirst(x => x.ParentId == menu.MenuId && menu.ParentId == x.MenuId) != null)
                    {
                        return webResponse.Error($"不能选择此父级id，选择的父级id与当前菜单形成依赖关系");
                    }

                    _changed = BaseDal.QueryData(c => c.MenuId == menu.MenuId).Select(s => s.Auth).FirstOrDefault() != menu.Auth;

                    BaseDal.UpdateData(menu);
                }
                webResponse.OK("保存成功", menu);
            }
            catch (Exception ex)
            {
                webResponse.Error(ex.Message);
            }
            return webResponse;

        }

        public WebResponseContent DelMenu(int menuId)
        {
            WebResponseContent webResponse = new WebResponseContent();
            if(BaseDal.QueryFirst(x=>x.ParentId == menuId) != null)
            {
                return webResponse = WebResponseContent.Instance.Error("当前菜单存在子菜单,请先删除子菜单!");
            }
            BaseDal.DeleteDataById(menuId);

            return webResponse = WebResponseContent.Instance.OK("删除成功");
        }
    }
}