using System;
using System.Collections.Generic;

using Server;
using Server.Gumps;
using Server.Network;

namespace Server.Gumps
{
	public interface IRewardOption
	{
		void GetOptions( RewardOptionList list );
		void OnOptionSelected( Mobile from, int choice );
	}

	public class RewardOptionGump : Gump
	{
		private RewardOptionList m_Options = new RewardOptionList();
		private IRewardOption m_Option;

		public RewardOptionGump( IRewardOption option ) : this( option, 0 )
		{
		}

		public RewardOptionGump( IRewardOption option, int title ) : base( 60, 36 )
		{
			m_Option = option;

			if ( m_Option != null )
				m_Option.GetOptions( m_Options );

			AddPage( 0 );

			AddBackground( 0, 0, 273, 324, 0x13BE );
			AddImageTiled( 10, 10, 253, 20, 0xA40 );
			AddImageTiled( 10, 40, 253, 244, 0xA40 );
			AddImageTiled( 10, 294, 253, 20, 0xA40 );
			AddAlphaRegion( 10, 10, 253, 304 );

			AddButton( 10, 294, 0xFB1, 0xFB2, 0, GumpButtonType.Reply, 0 );
			AddHtmlLocalized( 45, 296, 450, 20, 1060051, 0x7FFF, false, false ); // CANCEL
			
			if ( title > 0 )
				AddHtmlLocalized( 14, 12, 273, 20, title, 0x7FFF, false, false );
			else
				AddHtmlLocalized( 14, 12, 273, 20, 1080392, 0x7FFF, false, false ); // Select your choice from the menu below.

			AddPage( 1 );

			for ( int i = 0; i < m_Options.Count; i++ )
			{
				AddButton( 19, 49 + i * 24, 0x845, 0x846, m_Options[ i ].ID, GumpButtonType.Reply, 0 );
				AddHtmlLocalized( 44, 47 + i * 24, 213, 20, m_Options[ i ].Cliloc, 0x7FFF, false, false ); 
			}
		}

		public override void OnResponse( NetState sender, RelayInfo info )
		{
			if ( m_Option != null && Contains( info.ButtonID ) )
				m_Option.OnOptionSelected( sender.Mobile, info.ButtonID );			
		}

		private bool Contains( int chosen )
		{
			if ( m_Options == null )
				return false;

			foreach ( RewardOption option in m_Options )
			{
				if ( option.ID == chosen )
					return true;
			}

			return false;
		}
	}

	public class RewardOption
	{
		private int m_ID;
		private int m_Cliloc;

		public int ID{ get{ return m_ID; } }
		public int Cliloc{ get{ return m_Cliloc; } }

		public RewardOption( int id, int cliloc )
		{
			m_ID = id;
			m_Cliloc = cliloc;
		}
	}

	public class RewardOptionList : List<RewardOption>
	{
		public RewardOptionList() : base()
		{
		}

		public void Add( int id, int cliloc )
		{
			Add( new RewardOption( id, cliloc ) );
		}
	}
}