using System;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;

namespace AllocsFixes.PersistentData
{
	[Serializable]
	public class PersistentContainer
	{
		private Players players;
		[OptionalField]
		private Attributes attributes;

		public Players Players {
			get {
				if (players == null)
					players = new Players ();
				return players;
			}
		}

		public Attributes Attributes
		{
			get {
				if (attributes == null) {
					attributes = new Attributes();
				}
				return attributes;
			}
		}

		private static PersistentContainer instance;

		public static PersistentContainer Instance {
			get {
				if (instance == null) {
					instance = new PersistentContainer ();
				}
				return instance;
			}
		}

		private PersistentContainer ()
		{
		}

		public void Save ()
		{
			Stream stream = File.Open (GameUtils.GetSaveGameDir () + "/AllocsPeristentData.bin", FileMode.Create);
			BinaryFormatter bFormatter = new BinaryFormatter ();
			bFormatter.Serialize (stream, this);
			stream.Close ();
		}

		public static bool Load ()
		{
			if (File.Exists (GameUtils.GetSaveGameDir () + "/AllocsPeristentData.bin")) {
				try {
					PersistentContainer obj;
					Stream stream = File.Open (GameUtils.GetSaveGameDir () + "/AllocsPeristentData.bin", FileMode.Open);
					BinaryFormatter bFormatter = new BinaryFormatter ();
					obj = (PersistentContainer)bFormatter.Deserialize (stream);
					stream.Close ();
					instance = obj;
					return true;
				} catch (Exception e) {
					Log.Error ("Exception in PersistentContainer.Load");
					Log.Exception (e);
				}
			}
			return false;
		}

	}
}