using SchoolContracts.BindingModel;
using SchoolContracts.ViewModels;
using SchoolDataModels.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SchoolDatabaseImplement.Models
{
	public class Payment : IPaymentModel
	{
		public int Id { get; private set; }
		[Required]
		public int CircleLessonId { get; private set; }
		[Required]
		public int PaySum { get; private set; }
		[Required]
		public int Remains { get; private set; }
		[Required]
		public DateTime? DateOfPayment { get; private set; } = DateTime.Now;
		public virtual CircleLesson CircleLesson { get; private set; } = new();
		public static Payment? Create(SchoolDatabase context, PaymentBindingModel? model)
		{
			if (model == null)
			{
				return null;
			}

			return new Payment()
			{
				Id = model.Id,
				CircleLesson = context.CircleLessons.First(x => x.Id == model.CircleLessonId),
				PaySum = model.PaySum,
				DateOfPayment = model.DateOfPayment,
				Remains = model.Remains
			};
		}
		public void Update(PaymentBindingModel? model)
		{
			if (model == null)
			{
				return;
			}
			Id = model.Id;
			CircleLessonId = model.CircleLessonId;
			PaySum = model.PaySum;
			DateOfPayment = model.DateOfPayment;
			Remains = model.Remains;
		}
		public PaymentViewModel GetViewModel => new()
		{
			Id = Id,
			CircleLessonId = CircleLessonId,
			PaySum = PaySum,
			DateOfPayment = DateOfPayment,
			Remains = Remains
		};
	}
}