using SchoolScheduleContracts.BindingModels;
using SchoolScheduleContracts.SearchModels;
using SchoolScheduleContracts.StoragesContracts;
using SchoolScheduleContracts.ViewModels;
using SchoolScheduleDataBaseImplement.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SchoolScheduleDataBaseImplement.Implements
{
	public class SchedulePlaceStorage : ISchedulePlaceStorage
	{
		public List<SchedulePlaceViewModel> GetFullList()
		{
			using var context = new SchoolScheduleDataBase();
			return context.SchedulePlaces
			.Select(x => x.GetViewModel)
		   .ToList();
		}
		public List<SchedulePlaceViewModel> GetFilteredList(SchedulePlaceSearchModel model)
		{
			if (!model.Id.HasValue)
			{
				return new();
			}
			using var context = new SchoolScheduleDataBase();
			return context.SchedulePlaces
			.Where(x => x.Id == model.Id)
		   .Select(x => x.GetViewModel)
		   .ToList();
		}
		public SchedulePlaceViewModel? GetElement(SchedulePlaceSearchModel model)
		{
			if (!model.Id.HasValue)
			{
				return null;
			}
			using var context = new SchoolScheduleDataBase();
			return context.SchedulePlaces
			.FirstOrDefault(x => x.Id == model.Id)
			?.GetViewModel;
		}
		public SchedulePlaceViewModel? Insert(SchedulePlaceBindingModel model)
		{
			var newComponent = SchedulePlace.Create(model);
			if (newComponent == null)
			{
				return null;
			}
			using var context = new SchoolScheduleDataBase();
			context.SchedulePlaces.Add(newComponent);
			context.SaveChanges();
			return newComponent.GetViewModel;
		}
		public SchedulePlaceViewModel? Update(SchedulePlaceBindingModel model)
		{
			using var context = new SchoolScheduleDataBase();
			var component = context.SchedulePlaces.FirstOrDefault(x => x.Id ==
		   model.Id);
			if (component == null)
			{
				return null;
			}
			component.Update(model);
			context.SaveChanges();
			return component.GetViewModel;
		}
		public SchedulePlaceViewModel? Delete(SchedulePlaceBindingModel model)
		{
			using var context = new SchoolScheduleDataBase();
			var element = context.SchedulePlaces.FirstOrDefault(rec => rec.Id ==
		   model.Id);
			if (element != null)
			{
				context.SchedulePlaces.Remove(element);
				context.SaveChanges();
				return element.GetViewModel;
			}
			return null;
		}
	}
}