using System;
using Zepheus.Database;
using Zepheus.FiestaLib;
using Zepheus.FiestaLib.Data;
using Zepheus.FiestaLib.Networking;
using Zepheus.Zone.Data;

namespace Zepheus.Zone.Game
{
	public class Item
	{
		private DatabaseItem _item;

		public virtual short Amount
		{
			get { return _item.Amount; }
			set { _item.Amount = value; }
		}

		public ushort ItemID { get; protected set; }

		public virtual Character Owner
		{
			get { return _item.Character; }
			set { _item.Character = value; }
		}

		public virtual DateTime? Expires { get; set; }

		public virtual sbyte Slot
		{
			get { return (sbyte) _item.Slot; }
			set { _item.Slot = value; }
		}

		public ItemInfo Info
		{
			get { return DataProvider.Instance.GetItemInfo(this.ItemID); }
		}

		public Item(DatabaseItem item)
		{
			_item = item;
			ItemID = (ushort) item.ObjectID;
		}

		public Item(DroppedItem item, ZoneCharacter pNewOwner, sbyte pSlot)
		{
			DatabaseItem dbi = new DatabaseItem();
			dbi.Amount = item.Amount;
			dbi.Character = pNewOwner.character;
			dbi.ObjectID = item.ItemID;
			dbi.Slot = pSlot;
			Program.Entity.AddToDatabaseItems(dbi);
			Program.Entity.SaveChanges();
			_item = dbi;
			ItemID = item.ItemID;
			pNewOwner.InventoryItems.Add(pSlot, this);
		}

		public Item()
		{
		}

		public virtual void Remove()
		{
			if (_item != null)
			{
				Program.Entity.DeleteObject(_item);
				Program.Entity.SaveChanges();
			}
		}

		public uint GetExpirationTime()
		{
			return this.Expires.HasValue ? this.Expires.Value.ToFiestaTime() : 0;
		}

		public virtual void WriteInfo(Packet packet)
		{
			packet.WriteByte(5); //entry length
			packet.WriteSByte(this.Slot);
			packet.WriteByte(0x24); //status?
			WriteItemStats(packet);
		}

		public void WriteItemStats(Packet packet)
		{
			packet.WriteUShort(ItemID);
			packet.WriteByte((byte) Amount);
		}
	}
}