#region References
using System.Collections;

using Server;
using Server.Multis;
using Server.Targeting;
#endregion

namespace Knives.TownHouses
{
	public enum HammerJob
	{
		Flip,
		Swap
	}

	public class SignHammer : Item
	{
		private static readonly Hashtable s_Table = new Hashtable();
		private static readonly ArrayList s_List = new ArrayList();

		public static void Initialize()
		{
			// Signs
			s_Table[0xB95] = 0xB96;
			s_Table[0xB96] = 0xB95;
			s_Table[0xBA3] = 0xBA4;
			s_Table[0xBA4] = 0xBA3;
			s_Table[0xBA5] = 0xBA6;
			s_Table[0xBA6] = 0xBA5;
			s_Table[0xBA7] = 0xBA8;
			s_Table[0xBA8] = 0xBA7;
			s_Table[0xBA9] = 0xBAA;
			s_Table[0xBAA] = 0xBA9;
			s_Table[0xBAB] = 0xBAC;
			s_Table[0xBAC] = 0xBAB;
			s_Table[0xBAD] = 0xBAE;
			s_Table[0xBAE] = 0xBAD;
			s_Table[0xBAF] = 0xBB0;
			s_Table[0xBB0] = 0xBAF;
			s_Table[0xBB1] = 0xBB2;
			s_Table[0xBB2] = 0xBB1;
			s_Table[0xBB3] = 0xBB4;
			s_Table[0xBB4] = 0xBB3;
			s_Table[0xBB5] = 0xBB6;
			s_Table[0xBB6] = 0xBB5;
			s_Table[0xBB7] = 0xBB8;
			s_Table[0xBB8] = 0xBB7;
			s_Table[0xBB9] = 0xBBA;
			s_Table[0xBBA] = 0xBB9;
			s_Table[0xBBB] = 0xBBC;
			s_Table[0xBBC] = 0xBBB;
			s_Table[0xBBD] = 0xBBE;
			s_Table[0xBBE] = 0xBBD;
			s_Table[0xBBF] = 0xBC0;
			s_Table[0xBC0] = 0xBBF;
			s_Table[0xBC1] = 0xBC2;
			s_Table[0xBC2] = 0xBC1;
			s_Table[0xBC3] = 0xBC4;
			s_Table[0xBC4] = 0xBC3;
			s_Table[0xBC5] = 0xBC6;
			s_Table[0xBC6] = 0xBC5;
			s_Table[0xBC7] = 0xBC8;
			s_Table[0xBC8] = 0xBC7;
			s_Table[0xBC9] = 0xBCA;
			s_Table[0xBCA] = 0xBC9;
			s_Table[0xBCB] = 0xBCC;
			s_Table[0xBCC] = 0xBCB;
			s_Table[0xBCD] = 0xBCE;
			s_Table[0xBCE] = 0xBCD;
			s_Table[0xBCF] = 0xBD0;
			s_Table[0xBD0] = 0xBCF;
			s_Table[0xBD1] = 0xBD2;
			s_Table[0xBD2] = 0xBD1;
			s_Table[0xBD3] = 0xBD4;
			s_Table[0xBD4] = 0xBD3;
			s_Table[0xBD5] = 0xBD6;
			s_Table[0xBD6] = 0xBD5;
			s_Table[0xBD7] = 0xBD8;
			s_Table[0xBD8] = 0xBD7;
			s_Table[0xBD9] = 0xBDA;
			s_Table[0xBDA] = 0xBD9;
			s_Table[0xBDB] = 0xBDC;
			s_Table[0xBDC] = 0xBDB;
			s_Table[0xBDD] = 0xBDE;
			s_Table[0xBDE] = 0xBDD;
			s_Table[0xBDF] = 0xBE0;
			s_Table[0xBE0] = 0xBDF;
			s_Table[0xBE1] = 0xBE2;
			s_Table[0xBE2] = 0xBE1;
			s_Table[0xBE3] = 0xBE4;
			s_Table[0xBE4] = 0xBE3;
			s_Table[0xBE5] = 0xBE6;
			s_Table[0xBE6] = 0xBE5;
			s_Table[0xBE7] = 0xBE8;
			s_Table[0xBE8] = 0xBE7;
			s_Table[0xBE9] = 0xBEA;
			s_Table[0xBEA] = 0xBE9;
			s_Table[0xBEB] = 0xBEC;
			s_Table[0xBEC] = 0xBEB;
			s_Table[0xBED] = 0xBEE;
			s_Table[0xBEE] = 0xBED;
			s_Table[0xBEF] = 0xBF0;
			s_Table[0xBF0] = 0xBEF;
			s_Table[0xBF1] = 0xBF2;
			s_Table[0xBF2] = 0xBF1;
			s_Table[0xBF3] = 0xBF4;
			s_Table[0xBF4] = 0xBF3;
			s_Table[0xBF5] = 0xBF6;
			s_Table[0xBF6] = 0xBF5;
			s_Table[0xBF7] = 0xBF8;
			s_Table[0xBF8] = 0xBF7;
			s_Table[0xBF9] = 0xBFA;
			s_Table[0xBFA] = 0xBF9;
			s_Table[0xBFB] = 0xBFC;
			s_Table[0xBFC] = 0xBFB;
			s_Table[0xBFD] = 0xBFE;
			s_Table[0xBFE] = 0xBFD;
			s_Table[0xBFF] = 0xC00;
			s_Table[0xC00] = 0xBFF;
			s_Table[0xC01] = 0xC02;
			s_Table[0xC02] = 0xC01;
			s_Table[0xC03] = 0xC04;
			s_Table[0xC04] = 0xC03;
			s_Table[0xC05] = 0xC06;
			s_Table[0xC06] = 0xC05;
			s_Table[0xC07] = 0xC08;
			s_Table[0xC08] = 0xC07;
			s_Table[0xC09] = 0xC0A;
			s_Table[0xC0A] = 0xC09;
			s_Table[0xC0B] = 0xC0C;
			s_Table[0xC0C] = 0xC0B;
			s_Table[0xC0D] = 0xC0E;
			s_Table[0xC0E] = 0xC0D;

			// Hangers
			s_Table[0xB97] = 0xB98;
			s_Table[0xB98] = 0xB97;
			s_Table[0xB99] = 0xB9A;
			s_Table[0xB9A] = 0xB99;
			s_Table[0xB9B] = 0xB9C;
			s_Table[0xB9C] = 0xB9B;
			s_Table[0xB9D] = 0xB9E;
			s_Table[0xB9E] = 0xB9D;
			s_Table[0xB9F] = 0xBA0;
			s_Table[0xBA0] = 0xB9F;
			s_Table[0xBA1] = 0xBA2;
			s_Table[0xBA2] = 0xBA1;

			// Hangers for swapping
			s_List.Add(0xB97);
			s_List.Add(0xB98);
			s_List.Add(0xB99);
			s_List.Add(0xB9A);
			s_List.Add(0xB9B);
			s_List.Add(0xB9C);
			s_List.Add(0xB9D);
			s_List.Add(0xB9E);
			s_List.Add(0xB9F);
			s_List.Add(0xBA0);
			s_List.Add(0xBA1);
			s_List.Add(0xBA2);
		}

		public HammerJob Job { get; set; }

		[Constructable]
		public SignHammer()
			: base(0x13E3)
		{
			Name = "Sign Hammer";
		}

		public int GetFlipFor(int id)
		{
			return (s_Table[id] == null ? id : (int)s_Table[id]);
		}

		public int GetNextSign(int id)
		{
			if (!s_List.Contains(id))
			{
				return id;
			}

			var idx = s_List.IndexOf(id);

			if (idx + 2 < s_List.Count)
			{
				return (int)s_List[idx + 2];
			}

			if (idx % 2 == 0)
			{
				return (int)s_List[0];
			}

			return (int)s_List[1];
		}

		public override void OnDoubleClick(Mobile m)
		{
			if (RootParent != m)
			{
				m.SendMessage("That item must be in your backpack to use.");
				return;
			}

			var house = BaseHouse.FindHouseAt(m);

			if (m.AccessLevel < AccessLevel.Counselor && (house == null || house.Owner != m))
			{
				m.SendMessage("You have to be inside your house to use this.");
				return;
			}

			m.BeginTarget(3, false, TargetFlags.None, OnTarget);
		}

		protected void OnTarget(Mobile m, object obj)
		{
			var item = obj as Item;

			if (item == null)
			{
				m.SendMessage("You cannot change that with this.");
				return;
			}

			if (item == this)
			{
				new SignHammerGump(m, this);
				return;
			}

			if (Job == HammerJob.Flip)
			{
				var id = GetFlipFor(item.ItemID);

				if (id == item.ItemID)
				{
					m.SendMessage("You cannot change that with this.");
				}
				else
				{
					item.ItemID = id;
				}
			}
			else
			{
				var id = GetNextSign(item.ItemID);

				if (id == item.ItemID)
				{
					m.SendMessage("You cannot change that with this.");
				}
				else
				{
					item.ItemID = id;
				}
			}
		}

		public SignHammer(Serial serial)
			: base(serial)
		{ }

		public override void Serialize(GenericWriter writer)
		{
			base.Serialize(writer);

			writer.Write(0);
		}

		public override void Deserialize(GenericReader reader)
		{
			base.Deserialize(reader);

			reader.ReadInt();
		}
	}

	public class SignHammerGump : GumpPlusLight
	{
		private readonly SignHammer c_Hammer;

		public SignHammerGump(Mobile m, SignHammer hammer)
			: base(m, 100, 100)
		{
			c_Hammer = hammer;

			NewGump();
		}

		protected override void BuildGump()
		{
			AddBackground(0, 0, 200, 200, 2600);

			AddButton(50, 45, 2152, 2154, "Swap", Swap);
			AddHtml(90, 50, 70, "Swap Hanger");

			AddButton(50, 95, 2152, 2154, "Flip", Flip);
			AddHtml(90, 100, 70, "Flip Sign or Hanger");
		}

		private void Swap()
		{
			c_Hammer.Job = HammerJob.Swap;
		}

		private void Flip()
		{
			c_Hammer.Job = HammerJob.Flip;
		}
	}
}