using UniversityContracts.BindingModels;
using UniversityContracts.SearchModels;
using UniversityContracts.ViewModels;
using UniversityDatabaseImplement.Implements;
using UniversityDataModels;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;

namespace UniversityDatabaseImplement.Models
{
    public class Class : IClassModel
    {
        [Required]
        public int EmployeeId { get; private set; }
        [Required]
        public string Name { get; private set; } = string.Empty;
        [Required]
        public double Price { get; private set; }
        [Required]
        public string Time { get; private set; } = string.Empty;

		public int Id { get; private set; }
        [Required]
        public Employee? Employee { get; private set; }

        [Required] 
        public List<ClassByPurchase> Purchases { get; private set; } = new();

		public static Class Create(ClassBindingModel model)
        {
			if (model == null)
			{
				return null;
			}
            return new Class()
            {
				EmployeeId = model.EmployeeId,
				Name = model.Name,
				Price = model.Price,
                Time = model.Time,
                Id = model.Id,
			};
		}

		public ClassViewModel GetViewModel => new()
		{
            EmployeeLogin = Employee?.Login??string.Empty,
            EmployeeId = EmployeeId,
			Name = Name,
			Price = Price,
			Time = Time,
			Id = Id,
            Purchases = Purchases.Select(x=>x.Purchase?.GetViewModel2).ToList(),
		};

		public void Update(ClassBindingModel model) 
        {
            Price = model.Price;
		}
    }
}