using DatabaseCore;
using DatabaseCore.Models.Department;
using DepartmentBusinessLogic.BindingModels;
using DepartmentBusinessLogic.Interfaces;
using DepartmentBusinessLogic.ViewModels;
using Microsoft.EntityFrameworkCore;
using ToolsModule.Enums;
using ToolsModule.Models;
using System.Linq;

namespace DepartmentDatabaseImplementation.Implementations
{
	/// <summary>
	/// Реализация ILecturerAcademicDegreeService
	/// </summary>
	public class LecturerAcademicDegreeService :
		AbstractGenerticEntityService<LecturerAcademicDegreeGetBindingModel, LecturerAcademicDegreeSetBindingModel, LecturerAcademicDegree, LecturerAcademicDegreeListViewModel, LecturerAcademicDegreeViewModel>, 
		ILecturerAcademicDegreeService
	{
		protected override OperationResultModel AdditionalCheckingWhenAdding(DbContext context, LecturerAcademicDegreeSetBindingModel model) => OperationResultModel.Success(null);

		protected override OperationResultModel AdditionalCheckingWhenDeleting(DbContext context, LecturerAcademicDegree entity, LecturerAcademicDegreeGetBindingModel model)
		{
			if (context.Set<Lecturer>().Any(x => x.LecturerAcademicDegreeId == model.Id && !x.IsDeleted))
			{
				return OperationResultModel.Error("Error:", "Имеются сотрудники, использующую эту запись", ResultServiceStatusCode.ExsistItem);
			}
			return OperationResultModel.Success(null);
		}

		protected override IQueryable<LecturerAcademicDegree> AdditionalCheckingWhenReadingList(IQueryable<LecturerAcademicDegree> query, LecturerAcademicDegreeGetBindingModel model) => query;

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

		protected override void AdditionalDeleting(DbContext context, LecturerAcademicDegree entity, LecturerAcademicDegreeGetBindingModel model) { }

		protected override LecturerAcademicDegree GetUniqueEntity(LecturerAcademicDegreeSetBindingModel model, DbContext context) => context.Set<LecturerAcademicDegree>().FirstOrDefault(x => x.LecturerAcademicDegreeName == model.LecturerAcademicDegreeName && x.Id != model.Id);

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

		protected override IQueryable<LecturerAcademicDegree> OrderingWhenReading(IQueryable<LecturerAcademicDegree> query) => query.OrderBy(x => x.Order);
	}
}