// WTM默认页面 Wtm buidin page
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text.Json.Serialization;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;
using WalkingTec.Mvvm.Core;
using WalkingTec.Mvvm.Core.Extensions;

namespace WalkingTec.Mvvm.Mvc.Admin.ViewModels.FrameworkUserVms
{
    public class FrameworkUserVM : BaseCRUDVM<FrameworkUser>
    {
        [JsonIgnore]
        public List<ComboSelectListItem> AllRoles { get; set; }

        [JsonIgnore]
        public List<ComboSelectListItem> AllGroups { get; set; }
        [Display(Name = "_Admin.Role")]
        public List<string> SelectedRolesCodes { get; set; }
        [Display(Name = "_Admin.Group")]
        public List<string> SelectedGroupCodes { get; set; }


        public FrameworkUserVM()
        {
        }

        public override DuplicatedInfo<FrameworkUser> SetDuplicatedCheck()
        {
            var rv = CreateFieldsInfo(SimpleField(x => x.ITCode));
            return rv;
        }

        protected override void InitVM()
        {
            AllRoles = DC.Set<FrameworkRole>().GetSelectListItems(Wtm, y => y.RoleName, y => y.RoleCode);
            AllGroups = DC.Set<FrameworkGroup>().GetSelectListItems(Wtm, y => y.GroupName, y => y.GroupCode);
            SelectedRolesCodes = DC.Set<FrameworkUserRole>().Where(x => x.UserCode == Entity.ITCode).Select(x => x.RoleCode).ToList();
            SelectedGroupCodes = DC.Set<FrameworkUserGroup>().Where(x => x.UserCode == Entity.ITCode).Select(x => x.GroupCode).ToList();
        }

        protected override void ReInitVM()
        {
            AllRoles = DC.Set<FrameworkRole>().GetSelectListItems(Wtm, y => y.RoleName, y => y.RoleCode);
            AllGroups = DC.Set<FrameworkGroup>().GetSelectListItems(Wtm, y => y.GroupName, y => y.GroupCode);
        }

        public override async Task DoAddAsync()
        {
            using (var trans = DC.BeginTransaction())
            {
                if (SelectedRolesCodes != null)
                {
                    foreach (var rolecode in SelectedRolesCodes)
                    {
                        FrameworkUserRole r = new FrameworkUserRole
                        {
                            RoleCode = rolecode,
                            UserCode = Entity.ITCode
                        };
                        DC.AddEntity(r);
                    }
                }
                if (SelectedGroupCodes != null)
                {
                    foreach (var groupcode in SelectedGroupCodes)
                    {
                        FrameworkUserGroup g = new FrameworkUserGroup
                        {
                            GroupCode = groupcode,
                            UserCode = Entity.ITCode
                        };
                        DC.AddEntity(g);
                    }
                }
                Entity.IsValid = true;
                Entity.Password = Utils.GetMD5String(Entity.Password);
                await base.DoAddAsync();
                if (MSD.IsValid)
                {
                    trans.Commit();
                }
                else
                {
                    trans.Rollback();
                }
            }
        }

        public override async Task DoEditAsync(bool updateAllFields = false)
        {
            if (FC.ContainsKey("Entity.ITCode"))
            {
                FC.Remove("Entity.ITCode");
            }
            using (var trans = DC.BeginTransaction())
            {
                if (SelectedRolesCodes != null)
                {
                    List<Guid> todelete = new List<Guid>();
                    todelete.AddRange(DC.Set<FrameworkUserRole>().AsNoTracking().Where(x => x.UserCode == Entity.ITCode).Select(x => x.ID));
                    foreach (var item in todelete)
                    {
                        DC.DeleteEntity(new FrameworkUserRole { ID = item });
                    }
                }
                if (SelectedGroupCodes != null)
                {
                    List<Guid> todelete = new List<Guid>();
                    todelete.AddRange(DC.Set<FrameworkUserGroup>().AsNoTracking().Where(x => x.UserCode == Entity.ITCode).Select(x => x.ID));
                    foreach (var item in todelete)
                    {
                        DC.DeleteEntity(new FrameworkUserGroup { ID = item });
                    }
                }
                if (SelectedRolesCodes != null)
                {
                    foreach (var rolecode in SelectedRolesCodes)
                    {
                        FrameworkUserRole r = new FrameworkUserRole
                        {
                            RoleCode = rolecode,
                            UserCode = Entity.ITCode
                        };
                        DC.AddEntity(r);
                    }
                }
                if (SelectedGroupCodes != null)
                {
                    foreach (var groupcode in SelectedGroupCodes)
                    {
                        FrameworkUserGroup g = new FrameworkUserGroup
                        {
                            GroupCode = groupcode,
                            UserCode = Entity.ITCode
                        };
                        DC.AddEntity(g);
                    }
                }
                await base.DoEditAsync(updateAllFields);
                if (MSD.IsValid)
                {
                    trans.Commit();
                    await Wtm.RemoveUserCache(Entity.ITCode.ToString());
                }
                else
                {
                    trans.Rollback();
                }
            }
        }

        public override async Task DoDeleteAsync()
        {
            using (var tran = DC.BeginTransaction())
            {
                try
                {
                    await base.DoDeleteAsync();
                    var ur = DC.Set<FrameworkUserRole>().Where(x => x.UserCode == Entity.ITCode);
                    DC.Set<FrameworkUserRole>().RemoveRange(ur);
                    var ug = DC.Set<FrameworkUserGroup>().Where(x => x.UserCode == Entity.ITCode);
                    DC.Set<FrameworkUserGroup>().RemoveRange(ug);
                    DC.SaveChanges();
                    tran.Commit();
                }
                catch
                {
                    tran.Rollback();
                }
            }
            await Wtm.RemoveUserCache(Entity.ITCode.ToString());
        }

        public void ChangePassword()
        {
            Entity.Password = Utils.GetMD5String(Entity.Password);
            DC.UpdateProperty(Entity, x => x.Password);
            DC.SaveChanges();
        }
    }
}