using AcademicProgressBusinessLogic.BindingModels;
using AcademicProgressBusinessLogic.Interfaces;
using AcademicProgressBusinessLogic.ViewModels;
using DatabaseCore;
using DatabaseCore.Models.AcademicProgress;
using Microsoft.EntityFrameworkCore;
using ModuleTools.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AcademicProgressDatabaseImplementation.Implementations
{
	/// <summary>
	/// Реализация IStudentAcademicProgress
	/// </summary>
	public class StudentAcademicProgressService :
		AbstractGenerticEntityService<StudentAcademicProgressGetBindingModel, StudentAcademicProgressSetBindingModel, StudentAcademicProgress, StudentAcademicProgressListViewModel, StudentAcademicProgressViewModels>,
		IStudentAcademicProgressService
	{
		protected override OperationResultModel AdditionalCheckingWhenAdding(DbContext context, StudentAcademicProgressSetBindingModel model) => OperationResultModel.Success(null);

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

		protected override IQueryable<StudentAcademicProgress> AdditionalCheckingWhenReadingList(IQueryable<StudentAcademicProgress> query, StudentAcademicProgressGetBindingModel model)
		{
			if (model.StudentId.HasValue)
			{
				query = query.Where(x => x.StudentId == model.StudentId.Value);
			}
			if (model.DisciplineId.HasValue)
			{
				query = query.Where(x => x.DisciplineId == model.DisciplineId.Value);
			}
			return query;
		}

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

		protected override void AdditionalDeleting(DbContext context, StudentAcademicProgress entity, StudentAcademicProgressGetBindingModel model) { }

		protected override StudentAcademicProgress GetUniqueEntity(StudentAcademicProgressSetBindingModel model, DbContext context) => context.Set<StudentAcademicProgress>().FirstOrDefault(x => x.StudentId == model.StudentId && x.DisciplineId == model.DisciplineId && x.Semester == (int)model.Semester && x.Id != model.Id);

		protected override IQueryable<StudentAcademicProgress> IncludingWhenReading(IQueryable<StudentAcademicProgress> query) => query.Include(x => x.Student).Include(x => x.Discipline);

		protected override IQueryable<StudentAcademicProgress> OrderingWhenReading(IQueryable<StudentAcademicProgress> query) => query.OrderBy(x => x.Student.LastName).ThenBy(x => x.Student.FirstName);


	}
}