using CoreDatabase;
using CoreDatabase.Models.Department;
using DepartmentContract.BindingModels;
using DepartmentContract.Services.IGenericEntityService;
using DepartmentContract.ViewModels;
using Microsoft.EntityFrameworkCore;
using System.Linq;
using ToolsModule.ManagmentEntity;

namespace DepartmentDatabaseImplementation.Implementations.AbstractGenerticEntityService
{
    /// <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, IQueryable<LecturerAcademicDegree> query) => query.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);
	}
}