using System;
using System.Collections.Generic;
using System.Text;
using Server;
using Server.Items;
using Server.Mobiles;

namespace Server.Engines.MLQuests.Items
{
	public class MLQuestTeleporter : Teleporter
	{
		private MLQuest m_RequiredQuest;
		private TextDefinition m_Message;

		[CommandProperty( AccessLevel.GameMaster )]
		public MLQuest RequiredQuest
		{
			get { return m_RequiredQuest; }
			// Needs work for in-game
			set { m_RequiredQuest = value; InvalidateProperties(); }
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public TextDefinition Message
		{
			get { return m_Message; }
			set { m_Message = value; }
		}

		[Constructable]
		public MLQuestTeleporter()
			: this( Point3D.Zero, null, null, null )
		{
		}

		[Constructable]
		public MLQuestTeleporter( Point3D pointDest, Map mapDest )
			: this( pointDest, mapDest, null, null )
		{
		}

		[Constructable]
		public MLQuestTeleporter( Point3D pointDest, Map mapDest, MLQuest quest, TextDefinition message )
			: base( pointDest, mapDest )
		{
			m_RequiredQuest = quest;
			m_Message = message;
		}

		public override bool CanTeleport( Mobile m )
		{
			if ( !base.CanTeleport( m ) )
				return false;

			if ( m_RequiredQuest != null )
			{
				PlayerMobile pm = m as PlayerMobile;

				if ( pm == null )
					return false;

				MLQuestContext context = MLQuestSystem.GetContext( pm );

				if ( context == null || ( !context.IsDoingQuest( m_RequiredQuest ) && !context.HasDoneQuest( m_RequiredQuest ) ) )
				{
					TextDefinition.SendMessageTo( m, m_Message );
					return false;
				}
			}

			return true;
		}

		public override void GetProperties( ObjectPropertyList list )
		{
			base.GetProperties( list );

			if ( m_RequiredQuest != null )
				list.Add( String.Format( "Required quest: {0}", m_RequiredQuest ) );
		}

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

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

			writer.Write( (int) 0 ); // version

			MLQuestSystem.WriteQuestRef( writer, m_RequiredQuest );
			TextDefinition.Serialize( writer, m_Message );
		}

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

			int version = reader.ReadInt();

			m_RequiredQuest = MLQuestSystem.ReadQuestRef( reader );
			m_Message = TextDefinition.Deserialize( reader );
		}
	}

	public interface ITicket
	{
		void OnTicketUsed( Mobile from );
	}

	public class TicketTeleporter : Teleporter
	{
		private Type m_TicketType;
		private TextDefinition m_Message;

		[CommandProperty( AccessLevel.GameMaster )]
		public Type TicketType
		{
			get { return m_TicketType; }
			set { m_TicketType = value; InvalidateProperties(); }
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public TextDefinition Message
		{
			get { return m_Message; }
			set { m_Message = value; }
		}

		[Constructable]
		public TicketTeleporter()
			: this( Point3D.Zero, null, null, null )
		{
		}

		[Constructable]
		public TicketTeleporter( Point3D pointDest, Map mapDest )
			: this( pointDest, mapDest, null, null )
		{
		}

		[Constructable]
		public TicketTeleporter( Point3D pointDest, Map mapDest, Type ticketType, TextDefinition message )
			: base( pointDest, mapDest )
		{
			m_TicketType = ticketType;
			m_Message = message;
		}

		public override bool CanTeleport( Mobile m )
		{
			if ( !base.CanTeleport( m ) )
				return false;

			if ( m_TicketType != null )
			{
				Item ticket = null;
				Container pack = m.Backpack;

				if ( pack != null )
					ticket = pack.FindItemByType( m_TicketType, false ); // Check (top level) backpack

				if ( ticket == null )
				{
					foreach ( Item item in m.Items ) // Check paperdoll
					{
						if ( m_TicketType.IsAssignableFrom( item.GetType() ) )
						{
							ticket = item;
							break;
						}
					}
				}

				if ( ticket == null )
				{
					TextDefinition.SendMessageTo( m, m_Message );
					return false;
				}

				if ( ticket is ITicket )
					((ITicket)ticket).OnTicketUsed( m );
			}

			return true;
		}

		public override void GetProperties( ObjectPropertyList list )
		{
			base.GetProperties( list );

			if ( m_TicketType != null )
				list.Add( String.Format( "Required ticket: {0}", m_TicketType.Name ) );
		}

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

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

			writer.Write( (int)0 ); // version

			writer.Write( m_TicketType.FullName );
			TextDefinition.Serialize( writer, m_Message );
		}

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

			int version = reader.ReadInt();

			m_TicketType = ScriptCompiler.FindTypeByFullName( reader.ReadString(), false );
			m_Message = TextDefinition.Deserialize( reader );
		}
	}
}