using System.Collections;
using System.Reflection;
using Server.Commands;
using Server.Network;

namespace Server.Gumps
{
	public class SetListOptionGump : Gump
	{
		protected PropertyInfo m_Property;
		protected Mobile m_Mobile;
		protected object m_Object;
		protected Stack m_Stack;
		protected int m_Page;
		protected ArrayList m_List;

		public static readonly bool OldStyle = PropsConfig.OldStyle;

		public static readonly int GumpOffsetX = PropsConfig.GumpOffsetX;
		public static readonly int GumpOffsetY = PropsConfig.GumpOffsetY;

		public static readonly int TextHue = PropsConfig.TextHue;
		public static readonly int TextOffsetX = PropsConfig.TextOffsetX;

		public static readonly int OffsetGumpID = PropsConfig.OffsetGumpID;
		public static readonly int HeaderGumpID = PropsConfig.HeaderGumpID;
		public static readonly int  EntryGumpID = PropsConfig.EntryGumpID;
		public static readonly int   BackGumpID = PropsConfig.BackGumpID;
		public static readonly int    SetGumpID = PropsConfig.SetGumpID;

		public static readonly int SetWidth = PropsConfig.SetWidth;
		public static readonly int SetOffsetX = PropsConfig.SetOffsetX, SetOffsetY = PropsConfig.SetOffsetY;
		public static readonly int SetButtonID1 = PropsConfig.SetButtonID1;
		public static readonly int SetButtonID2 = PropsConfig.SetButtonID2;

		public static readonly int PrevWidth = PropsConfig.PrevWidth;
		public static readonly int PrevOffsetX = PropsConfig.PrevOffsetX, PrevOffsetY = PropsConfig.PrevOffsetY;
		public static readonly int PrevButtonID1 = PropsConfig.PrevButtonID1;
		public static readonly int PrevButtonID2 = PropsConfig.PrevButtonID2;

		public static readonly int NextWidth = PropsConfig.NextWidth;
		public static readonly int NextOffsetX = PropsConfig.NextOffsetX, NextOffsetY = PropsConfig.NextOffsetY;
		public static readonly int NextButtonID1 = PropsConfig.NextButtonID1;
		public static readonly int NextButtonID2 = PropsConfig.NextButtonID2;

		public static readonly int OffsetSize = PropsConfig.OffsetSize;

		public static readonly int EntryHeight = PropsConfig.EntryHeight;
		public static readonly int BorderSize = PropsConfig.BorderSize;

		private static readonly int EntryWidth = 212;
		private static readonly int EntryCount = 13;

		private static readonly int TotalWidth = OffsetSize + EntryWidth + OffsetSize + SetWidth + OffsetSize;

		private static readonly int BackWidth = BorderSize + TotalWidth + BorderSize;

		private static readonly bool PrevLabel = OldStyle;
	    private static readonly bool NextLabel = OldStyle;

	    private static readonly int PrevLabelOffsetX = PrevWidth + 1;
		private static readonly int PrevLabelOffsetY = 0;

		private static readonly int NextLabelOffsetX = -29;
		private static readonly int NextLabelOffsetY = 0;

		protected object[] m_Values;

		public SetListOptionGump( PropertyInfo prop, Mobile mobile, object o, Stack stack, int propspage, ArrayList list, string[] names, object[] values ) : base( GumpOffsetX, GumpOffsetY )
		{
			m_Property = prop;
			m_Mobile = mobile;
			m_Object = o;
			m_Stack = stack;
			m_Page = propspage;
			m_List = list;

			m_Values = values;

			int pages = (names.Length + EntryCount - 1) / EntryCount;
			int index = 0;

			for ( int page = 1; page <= pages; ++page )
			{
				AddPage( page );

				int start = (page - 1) * EntryCount;
				int count = names.Length - start;

				if ( count > EntryCount )
					count = EntryCount;

				int totalHeight = OffsetSize + ((count + 2) * (EntryHeight + OffsetSize));
				int backHeight = BorderSize + totalHeight + BorderSize;

				AddBackground( 0, 0, BackWidth, backHeight, BackGumpID );
				AddImageTiled( BorderSize, BorderSize, TotalWidth - (OldStyle ? SetWidth + OffsetSize : 0), totalHeight, OffsetGumpID );



				int x = BorderSize + OffsetSize;
				int y = BorderSize + OffsetSize;

				int emptyWidth = TotalWidth - PrevWidth - NextWidth - (OffsetSize * 4) - (OldStyle ? SetWidth + OffsetSize : 0);

				AddImageTiled( x, y, PrevWidth, EntryHeight, HeaderGumpID );

				if ( page > 1 )
				{
					AddButton( x + PrevOffsetX, y + PrevOffsetY, PrevButtonID1, PrevButtonID2, 0, GumpButtonType.Page, page - 1 );

					if ( PrevLabel )
						AddLabel( x + PrevLabelOffsetX, y + PrevLabelOffsetY, TextHue, "Previous" );
				}

				x += PrevWidth + OffsetSize;

				if ( !OldStyle )
					AddImageTiled( x - (OldStyle ? OffsetSize : 0), y, emptyWidth + (OldStyle ? OffsetSize * 2 : 0), EntryHeight, HeaderGumpID );

				x += emptyWidth + OffsetSize;

				if ( !OldStyle )
					AddImageTiled( x, y, NextWidth, EntryHeight, HeaderGumpID );

				if ( page < pages )
				{
					AddButton( x + NextOffsetX, y + NextOffsetY, NextButtonID1, NextButtonID2, 0, GumpButtonType.Page, page + 1 );

					if ( NextLabel )
						AddLabel( x + NextLabelOffsetX, y + NextLabelOffsetY, TextHue, "Next" );
				}



				AddRect( 0, prop.Name, 0 );

				for ( int i = 0; i < count; ++i )
					AddRect( i + 1, names[index], ++index );
			}
		}

		private void AddRect( int index, string str, int button )
		{
			int x = BorderSize + OffsetSize;
			int y = BorderSize + OffsetSize + ((index + 1) * (EntryHeight + OffsetSize));

			AddImageTiled( x, y, EntryWidth, EntryHeight, EntryGumpID );
			AddLabelCropped( x + TextOffsetX, y, EntryWidth - TextOffsetX, EntryHeight, TextHue, str );

			x += EntryWidth + OffsetSize;

			if ( SetGumpID != 0 )
				AddImageTiled( x, y, SetWidth, EntryHeight, SetGumpID );

			if ( button != 0 )
				AddButton( x + SetOffsetX, y + SetOffsetY, SetButtonID1, SetButtonID2, button, GumpButtonType.Reply, 0 );
		}

		public override void OnResponse( NetState sender, RelayInfo info )
		{
			int index = info.ButtonID - 1;

			if ( index >= 0 && index < m_Values.Length )
			{
				try
				{
					object toSet = m_Values[index];

					string result = Properties.SetDirect( m_Mobile, m_Object, m_Object, m_Property, m_Property.Name, toSet, true );

					m_Mobile.SendMessage( result );

					if ( result == "Property has been set." )
						PropertiesGump.OnValueChanged( m_Object, m_Property, m_Stack );
				}
				catch
				{
					m_Mobile.SendMessage( "An exception was caught. The property may not have changed." );
				}
			}

			m_Mobile.SendGump( new PropertiesGump( m_Mobile, m_Object, m_Stack, m_List, m_Page ) );
		}
	}
}