using System;
using System.Collections.Generic;
using Iesi.Collections.Generic;
using JetBrains.Annotations;
using Portoa.Persistence;

namespace VideoGameQuotes.Api {
	public class Game : Entity<Game, int> {
		private readonly Iesi.Collections.Generic.ISet<GamingSystem> systems = new HashedSet<GamingSystem>();
		private readonly Iesi.Collections.Generic.ISet<Publisher> publishers = new HashedSet<Publisher>();

		public Game() {
			Created = DateTime.UtcNow;
		}

		public virtual string Website { get; set; }
		public virtual User Creator { get; set; }
		public virtual DateTime Created { get; set; }
		public virtual IEnumerable<GamingSystem> Systems { get { return systems; } }
		public virtual string Name { get; set; }
		public virtual IEnumerable<Publisher> Publishers { get { return publishers; } }
		[CanBeNull]
		public virtual byte[] Screenshot { get; set; }
		public virtual Region Region { get; set; }

		#region adding and removing stuff
		public virtual Game AddSystem(GamingSystem system) {
			systems.Add(system);
			return this;
		}

		public virtual void ClearSystems() {
			systems.Clear();
		}

		public virtual Game AddPublisher(Publisher publisher) {
			publishers.Add(publisher);
			return this;
		}

		public virtual void ClearPublishers() {
			publishers.Clear();
		}
		#endregion
	}
}