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

namespace SecurityDatabaseImplementation.Implementations
{
	/// <summary>
	/// Реализация IUserRoleService
	/// </summary>
	public class UserRoleService :
		AbstractGenerticEntityService<UserRoleGetBindingModel, UserRoleSetBindingModel, UserRole, UserRoleListViewModel, UserRoleViewModel>,
		IUserRoleService
	{
		protected override OperationResultModel AdditionalCheckingWhenAdding(DbContext context, UserRoleSetBindingModel model) => OperationResultModel.Success(null);

		protected override OperationResultModel AdditionalCheckingWhenDeleting(DbContext context, UserRoleGetBindingModel model) => OperationResultModel.Success(null);

		protected override IQueryable<UserRole> AdditionalCheckingWhenReadingList(IQueryable<UserRole> query, UserRoleGetBindingModel model)
		{
			if (model.RoleId.HasValue)
			{
				query = query.Where(x => x.RoleId == model.RoleId);
			}
			if (model.UserId.HasValue)
			{
				query = query.Where(x => x.UserId == model.UserId);
			}
			return query;
		}

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

		protected override void AdditionalDeleting(DbContext context, UserRoleGetBindingModel model) { }

		protected override UserRole GetUniqueEntity(UserRoleSetBindingModel model, DbContext context) => context.Set<UserRole>().FirstOrDefault(x => x.UserId == model.UserId && x.RoleId == model.RoleId && x.Id != model.Id);

		protected override IQueryable<UserRole> IncludingWhenReading(IQueryable<UserRole> query) => query.Include(x => x.Role).Include(x => x.User);

		protected override IQueryable<UserRole> OrderingWhenReading(IQueryable<UserRole> query) => query.OrderBy(x => x.User.UserName);
	}
}