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

namespace DepartmentDatabaseImplementation.Implementations
{
    /// <summary>
    /// Реализация интерфейса IClassroomService
    /// </summary>
    public class ClassroomService :
		AbstractGenerticEntityService<ClassroomGetBindingModel, ClassroomSetBindingModel, Classroom, ClassroomListViewModel, ClassroomViewModel>, 
		IClassroomService
	{
		protected override OperationResultModel AdditionalCheckingWhenAdding(DbContext context, ClassroomSetBindingModel model) => OperationResultModel.Success(null);

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

		protected override IQueryable<Classroom> AdditionalCheckingWhenReadingList(IQueryable<Classroom> query, ClassroomGetBindingModel model)
		{
			if (model.UseInSchedule.HasValue)
			{
				query = query.Where(x => x.ClassroomType == ClassroomType.Дисплейный || x.ClassroomType == ClassroomType.Лекционный ||
																		x.ClassroomType == ClassroomType.Обычный);
			}
			if (model.EmployeeId.HasValue)
			{
				query = query.Where(x => x.EmployeeId == model.EmployeeId.Value);
			}
			return query;
		}

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

		protected override void AdditionalDeleting(DbContext context, Classroom entity, ClassroomGetBindingModel model) { }

		protected override Classroom GetUniqueEntity(ClassroomSetBindingModel model, DbContext context) => context.Set<Classroom>().FirstOrDefault(x => x.Number == model.Number && x.Id != model.Id);

		protected override IQueryable<Classroom> IncludingWhenReading(IQueryable<Classroom> query) => query.Include(x => x.Employee);

		protected override IQueryable<Classroom> OrderingWhenReading(IQueryable<Classroom> query) => query.OrderBy(x => x.Number);
	}
}