using System.ComponentModel.DataAnnotations;
using EkzamenContracts.BindingModels;
using EkzamenContracts.ViewModels;
using EkzamenDataModels;

namespace EkzamenDatabaseImplement
{
    public class Group : IGroupModel
    {
        public int Id { get; private set; }

        public static Group? Create(GroupBindingModel? model)
        {
            if (model == null)
            {
                return null;
            }
            return new Group()
            {
                Name = model.Name,
                Direction = model.Direction,
                Created = model.Created,
                Id = model.Id,
            };
        }

        public void Update(GroupBindingModel? model)
        {
            if (model == null)
            {
                return;
            }
            Direction = model.Direction;
            Id = model.Id;
        }
        public GroupViewModel GetViewModel =>
            new()
            {
                Name = Name,
                Direction = Direction,
                Created = Created,
                Id = Id,
            };

        [Required]
        public string Name { get; set; }
        [Required]
        public string Direction { get; set; }
        public DateTime Created { get; set; }

        public List<Student> Students { get; set; }
    }
}