using CoreDatabase;
using CoreDatabase.Models.Security;
using Microsoft.EntityFrameworkCore;
using SecurityContract.BindingModels;
using SecurityContract.Interfaces.IGenericEntityService;
using SecurityContract.ViewModels;
using System;
using System.Linq;
using ToolsModule.Enums;
using ToolsModule.Extensions;
using ToolsModule.Models;

namespace SecurityDatabaseImplementation.Implementations
{
    /// <summary>
    /// Реализация IRoleService
    /// </summary>
    public class RoleService :
		AbstractGenerticEntityService<RoleGetBindingModel, RoleSetBindingModel, Role, RoleListViewModel, RoleViewModel>, 
		IRoleService
	{
		protected override OperationResultModel AdditionalCheckingWhenAdding(DbContext context, RoleSetBindingModel model) => OperationResultModel.Success(null);

		protected override OperationResultModel AdditionalCheckingWhenDeleting(DbContext context, Role entity, RoleGetBindingModel model)
		{
			if (context.Set<UserRole>().Any(x => x.RoleId == model.Id && !x.IsDeleted))
			{
				return OperationResultModel.Error("Error:", "Существуют пользователи, у которых есть эта роль", ResultServiceStatusCode.ExsistItem);
			}
			return OperationResultModel.Success(null);
		}

		protected override IQueryable<Role> AdditionalCheckingWhenReadingList(IQueryable<Role> query, RoleGetBindingModel model) => query;

		protected override OperationResultModel AdditionalCheckingWhenUpdateing(DbContext context, RoleSetBindingModel model) => OperationResultModel.Success(null);

		protected override void AdditionalDeleting(DbContext context, Role entity, RoleGetBindingModel model)
		{
			var access = context.Set<Access>().Where(x => x.RoleId == model.Id);
			foreach (var ac in access)
			{
				ac.IsDeleted = true;
				ac.DateDelete = DateTime.Now;
			}
			context.SaveChanges();
		}

		protected override Role GetUniqueEntity(RoleSetBindingModel model, DbContext context) => context.Set<Role>().FirstOrDefault(x => x.RoleName == model.RoleName && x.Id != model.Id);

		protected override IQueryable<Role> IncludingWhenReading(IQueryable<Role> query) => query;

		protected override IQueryable<Role> OrderingWhenReading(IQueryable<Role> query) => query.OrderBy(x => x.RoleName);

		protected override bool AdditionalCheckForSingleGet(RoleGetBindingModel model)
		{
			if (model.RoleName.IsNotEmpty())
			{
				return true;
			}
			return base.AdditionalCheckForSingleGet(model);
		}

		protected override Role GetSingleRecord(IQueryable<Role> list, RoleGetBindingModel model)
		{
			if (model.RoleName.IsNotEmpty())
			{
				return list.FirstOrDefault(x => x.RoleName == model.RoleName);
			}
			return base.GetSingleRecord(list, model);
		}
	}
}