using System;
using System.Collections.Generic;
using Server.Accounting;
using Server.Commands;
using Server.Items;
using Server.Multis;
using Server.Network;
using Server.Targeting;

namespace Server.Gumps
{
	public class ViewHousesGump : Gump
	{
		public static void Initialize()
		{
			CommandSystem.Register( "ViewHouses", AccessLevel.GameMaster, ViewHouses_OnCommand );
		}

		[Usage( "ViewHouses" )]
		[Description( "Displays a menu listing all houses of a targeted player. The menu also contains specific house details, and options to: go to house, open house menu, and demolish house." )]
		public static void ViewHouses_OnCommand( CommandEventArgs e )
		{
			e.Mobile.BeginTarget( -1, false, TargetFlags.None, ViewHouses_OnTarget );
		}

		public static void ViewHouses_OnTarget( Mobile from, object targeted )
		{
			if ( targeted is Mobile )
				from.SendGump( new ViewHousesGump( from, GetHouses( (Mobile)targeted ), null ) );
		}

		private class HouseComparer : IComparer<BaseHouse>
		{
			public static readonly IComparer<BaseHouse> Instance = new HouseComparer();

			public int Compare( BaseHouse x, BaseHouse y )
			{
				return x.BuiltOn.CompareTo( y.BuiltOn );
			}
		}

		public static List<BaseHouse> GetHouses( Mobile owner )
		{
			List<BaseHouse> list = new List<BaseHouse>();

			Account acct = owner.Account as Account;

			if ( acct == null )
			{
				list.AddRange( BaseHouse.GetHouses( owner ) );
			}
			else
			{
				for ( int i = 0; i < acct.Length; ++i )
				{
					Mobile mob = acct[i];

					if ( mob != null )
						list.AddRange( BaseHouse.GetHouses( mob ) );
				}
			}

			list.Sort( HouseComparer.Instance );

			return list;
		}

		private readonly Mobile m_From;
		private readonly List<BaseHouse> m_List;
		private readonly BaseHouse m_Selection;

		public ViewHousesGump( Mobile from, List<BaseHouse> list, BaseHouse sel ) : base( 50, 40 )
		{
			m_From = from;
			m_List = list;
			m_Selection = sel;

			from.CloseGump( typeof( ViewHousesGump ) );

			AddPage( 0 );

			AddBackground( 0, 0, 240, 360, 5054 );
			AddBlackAlpha( 10, 10, 220, 340 );

			if ( sel == null || sel.Deleted )
			{
				m_Selection = null;

				AddHtml( 35, 15, 120, 20, Color( "House Type", White ), false, false );

				if ( list.Count == 0 )
					AddHtml( 35, 40, 160, 40, Color( "There were no houses found for that player.", White ), false, false );

				AddImage( 190, 17, 0x25EA );
				AddImage( 207, 17, 0x25E6 );

				int page = 0;

				for ( int i = 0; i < list.Count; ++i )
				{
					if ( (i % 15) == 0 )
					{
						if ( page > 0 )
							AddButton( 207, 17, 0x15E1, 0x15E5, 0, GumpButtonType.Page, page+1 );

						AddPage( ++page );

						if ( page > 1 )
							AddButton( 190, 17, 0x15E3, 0x15E7, 0, GumpButtonType.Page, page-1 );
					}

					object name = FindHouseName( list[i] );

					AddHtml( 15, 40 + ((i % 15) * 20),  20, 20, Color( String.Format( "{0}.", i+1 ), White ), false, false );

					if ( name is int )
						AddHtmlLocalized( 35, 40 + ((i % 15) * 20), 160, 20, (int)name, White16, false, false );
					else if ( name is string )
						AddHtml( 35, 40 + ((i % 15) * 20), 160, 20, Color( (string)name, White ), false, false );

					AddButton( 198, 39 + ((i % 15) * 20), 4005, 4007, i+1, GumpButtonType.Reply, 0 );
				}
			}
			else
			{
				string houseName, owner, location;
				Map map = sel.Map;

				houseName = (sel.Sign == null) ? "An Unnamed House" : sel.Sign.GetName();
				owner = (sel.Owner == null) ? "nobody" : sel.Owner.Name;

				int xLong = 0, yLat = 0, xMins = 0, yMins = 0;
				bool xEast = false, ySouth = false;

				bool valid = Sextant.Format( sel.Location, map, ref xLong, ref yLat, ref xMins, ref yMins, ref xEast, ref ySouth );

				if ( valid )
					location = String.Format( "{0}° {1}'{2}, {3}° {4}'{5}", yLat, yMins, ySouth ? "S" : "N", xLong, xMins, xEast ? "E" : "W" );
				else
					location = "unknown";

				AddHtml( 10, 15, 220, 20, Color( Center( "House Properties" ), White ), false, false );

				AddHtml( 15, 40, 210, 20, Color( "Facet:", White ), false, false );
				AddHtml( 15, 40, 210, 20, Color( Right( map == null ? "(null)" : map.Name ), White ), false, false );

				AddHtml( 15, 60, 210, 20, Color( "Location:", White ), false, false );
				AddHtml( 15, 60, 210, 20, Color( Right( sel.Location.ToString() ), White ), false, false );

				AddHtml( 15, 80, 210, 20, Color( "Sextant:", White ), false, false );
				AddHtml( 15, 80, 210, 20, Color( Right( location ), White ), false, false );

				AddHtml( 15, 100, 210, 20, Color( "Owner:", White ), false, false );
				AddHtml( 15, 100, 210, 20, Color( Right( owner ), White ), false, false );

				AddHtml( 15, 120, 210, 20, Color( "Name:", White ), false, false );
				AddHtml( 15, 120, 210, 20, Color( Right( houseName ), White ), false, false );

				AddHtml( 15, 140, 210, 20, Color( "Friends:", White ), false, false );
				AddHtml( 15, 140, 210, 20, Color( Right( sel.Friends.Count.ToString() ), White ), false, false );

				AddHtml( 15, 160, 210, 20, Color( "Co-Owners:", White ), false, false );
				AddHtml( 15, 160, 210, 20, Color( Right( sel.CoOwners.Count.ToString() ), White ), false, false );

				AddHtml( 15, 180, 210, 20, Color( "Bans:", White ), false, false );
				AddHtml( 15, 180, 210, 20, Color( Right( sel.Bans.Count.ToString() ), White ), false, false );

				AddHtml( 15, 200, 210, 20, Color( "Decays:", White ), false, false );
				AddHtml( 15, 200, 210, 20, Color( Right( sel.CanDecay ? "Yes" : "No" ), White ), false, false );

				AddHtml( 15, 220, 210, 20, Color( "Decay Level:", White ), false, false );
				AddHtml( 15, 220, 210, 20, Color( Right( sel.DecayLevel.ToString() ), White ), false, false );

				AddButton( 15, 245, 4005, 4007, 1, GumpButtonType.Reply, 0 );
				AddHtml( 50, 245, 120, 20, Color( "Go to house", White ), false, false );

				AddButton( 15, 265, 4005, 4007, 2, GumpButtonType.Reply, 0 );
				AddHtml( 50, 265, 120, 20, Color( "Open house menu", White ), false, false );

				AddButton( 15, 285, 4005, 4007, 3, GumpButtonType.Reply, 0 );
				AddHtml( 50, 285, 120, 20, Color( "Demolish house", White ), false, false );

				AddButton( 15, 305, 4005, 4007, 4, GumpButtonType.Reply, 0 );
				AddHtml( 50, 305, 120, 20, Color( "Refresh house", White ), false, false );
			}
		}

		public override void OnResponse( NetState sender, RelayInfo info )
		{
			if ( m_Selection == null )
			{
				int v = info.ButtonID - 1;

				if ( v >= 0 && v < m_List.Count )
					m_From.SendGump( new ViewHousesGump( m_From, m_List, m_List[v] ) );
			}
			else if ( !m_Selection.Deleted )
			{
				switch ( info.ButtonID )
				{
					case 0:
					{
						m_From.SendGump( new ViewHousesGump( m_From, m_List, null ) );
						break;
					}
					case 1:
					{
						Map map = m_Selection.Map;

						if ( map != null && map != Map.Internal )
							m_From.MoveToWorld( m_Selection.BanLocation, map );

						m_From.SendGump( new ViewHousesGump( m_From, m_List, m_Selection ) );

						break;
					}
					case 2:
					{
						m_From.SendGump( new ViewHousesGump( m_From, m_List, m_Selection ) );

						HouseSign sign = m_Selection.Sign;

						if ( sign != null && !sign.Deleted )
							sign.OnDoubleClick( m_From );

						break;
					}
					case 3:
					{
						m_From.SendGump( new ViewHousesGump( m_From, m_List, m_Selection ) );
						m_From.SendGump( new HouseDemolishGump( m_From, m_Selection ) );

						break;
					}
					case 4:
					{
						m_Selection.RefreshDecay();
						m_From.SendGump( new ViewHousesGump( m_From, m_List, m_Selection ) );

						break;
					}
				}
			}
		}

		public object FindHouseName( BaseHouse house )
		{
            int multiID = house.ItemID;
            HousePlacementEntry[] entries;

			entries = HousePlacementEntry.ClassicHouses;

			for ( int i = 0; i < entries.Length; ++i )
			{
				if ( entries[i].MultiID == multiID )
					return entries[i].Description;
			}

			entries = HousePlacementEntry.TwoStoryFoundations;

			for ( int i = 0; i < entries.Length; ++i )
			{
				if ( entries[i].MultiID == multiID )
					return entries[i].Description;
			}

			entries = HousePlacementEntry.ThreeStoryFoundations;

			for ( int i = 0; i < entries.Length; ++i )
			{
				if ( entries[i].MultiID == multiID )
					return entries[i].Description;
			}

			return house.GetType().Name;
		}

		private const int White16 = 0x7FFF;
		private const int White = 0xFFFFFF;

		public string Right( string text )
		{
			return String.Format( "<div align=right>{0}</div>", text );
		}

		public string Center( string text )
		{
			return String.Format( "<CENTER>{0}</CENTER>", text );
		}

		public string Color( string text, int color )
		{
			return String.Format( "<BASEFONT COLOR=#{0:X6}>{1}</BASEFONT>", color, text );
		}

		public void AddBlackAlpha( int x, int y, int width, int height )
		{
			AddImageTiled( x, y, width, height, 2624 );
			AddAlphaRegion( x, y, width, height );
		}
	}
}