using DatabaseCore;
using DatabaseCore.Models.Security;
using Microsoft.EntityFrameworkCore;
using ModuleTools.Enums;
using ModuleTools.Models;
using SecurityBusinessLogic.BindingModels;
using SecurityBusinessLogic.Interfaces;
using SecurityBusinessLogic.ViewModels;
using System;
using System.Linq;

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, 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, 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);
	}
}