using System;
using System.IO;
using System.Reflection;
using System.Collections;
using System.Collections.Generic;
using Server;
using Server.Commands;
using Server.Network;
using Server.Items;
using Server.Mobiles;
using Server.Regions;
using Server.Spells;

namespace Server.Regions
{
	public class DuelRegion : GuardedRegion
	{
		private static Hashtable m_OldLocations = new Hashtable();
		
		private DuelingPit m_Pit;

		public DuelingPit Pit{ get{ return m_Pit; } }

		public DuelRegion( DuelingPit m, params Rectangle3D[] area ) : base( "DuelingPit", Pit.Map, DefaultPriority, area )
		{
			//Priority = Region.HighestPriority;
			//LoadFromXml = false;
			m_Pit = pit;
		}

		public override void OnEnter( Mobile m )
		{
			if ( m.Spell != null )
				((Spell)m.Spell).Disturb( DisturbType.Unspecified );

			Targeting.Target.Cancel( m );
		}

		public override void OnExit( Mobile m )
		{
			if ( m_Pit.IsContender( m ) && !Contains( m.Location ) && !m_Pit.Disposing )
			{
				Point3D loc = OldLocation( m );
				
				if ( loc != m.Location )
				{
					m.MoveToWorld( loc, Map );
					m.SendMessage( "You cannot leave the pit until the duel has ended." );
				}
				else
				{
					m_Pit.Dispose();
				}
			}
			else
			{
				if ( m_OldLocations.Contains( m ) )
					m_OldLocations.Remove( m );
			}
		}
		
		#region Restricted skills, spells, and items
		public override bool OnSkillUse( Mobile m, int Skill )
		{
			bool value = base.OnSkillUse( m, Skill );
			
			if ( Skill == (int)SkillName.Stealing )
				value = false;
			
			if( Skill == (int)SkillName.Hiding )
				value = false;
			
			if ( !value )
				m.SendMessage( "You cannot use that skill at this time." );
			
			return value;
		}
		
		public override bool OnBeginSpellCast( Mobile m, ISpell s )
		{
			if ( m_Pit.InProgress && DuelHelper.ValidSpell( s ) )
				return base.OnBeginSpellCast( m, s );
			
			m.SendMessage( "You cannot use that spell at this time." );
			return false;
		}

		public override bool OnDoubleClick( Mobile m, object o )
		{
			if ( !DuelHelper.ValidType( o ) )
				return base.OnDoubleClick( m, o );

			m.SendMessage( "You cannot use that item at this time." );
			return false;
		}
		#endregion
		
		private Point3D OldLocation( Mobile m )
		{
			object o = m_OldLocations[m];
			
			if ( o == null )
				return m.Location;
			
			return (Point3D)o;
		}
		
		private bool InRange( Point3D loc )
		{
			int x1 = m_Pit.X, y1 = m_Pit.Y, x2 = loc.X, y2 = loc.Y;
			
			double dist = Math.Sqrt( Math.Pow( x1 - x2, 2.0) + Math.Pow( y1 - y2, 2.0) );
			
			if ( dist < 20 )
				return true;
			
			return false;
		}
		
		public override void OnLocationChanged( Mobile m, Point3D oldLocation )
		{
			if ( m_Pit.IsContender( m ) )
			{
				m_OldLocations[m] = m.Location;
				return;
			}
				
			if ( Contains( oldLocation ) )
				m.Location = GoLocation;
			else if ( !InRange( oldLocation ) )
				m.Location = GoLocation;
			else
				m.Location = oldLocation;
			
			if ( m is BaseCreature && ((BaseCreature)m).Controlled )
				((BaseCreature)m).ControlOrder = OrderType.Stay;
			
			m.SendLocalizedMessage( 501284 ); // You may not enter.
		}

		public override bool OnMoveInto( Mobile from, Direction d, Point3D newLocation, Point3D oldLocation )
		{
			if ( m_Pit.IsContender( from ) )
				return true;

			if ( Contains( oldLocation ) )
				from.Location = GoLocation;
			else if ( !InRange( oldLocation ) )
				from.Location = GoLocation;
			else
				from.Location = oldLocation;
			
			if ( from is BaseCreature && ((BaseCreature)from).Controlled )
					((BaseCreature)from).ControlOrder = OrderType.Stay;
			
			from.SendLocalizedMessage( 501284 ); // You may not enter.
			return false;
		}
		
		public override void OnSpellCast( Mobile m, ISpell s )
		{
			if ( m_Pit.InProgress )
				base.OnSpellCast( m, s );
			else
				((Spell)s).Disturb( DisturbType.Unspecified );
		}
		
		public override bool OnTarget( Mobile m, Targeting.Target t, object o )
		{
			if ( m_Pit.IsContender( m ) && m_Pit.InProgress )
				return base.OnTarget( m, t, o );
			
			return false;
		}

		public override void AlterLightLevel( Mobile m, ref int global, ref int personal )
		{
			global = 0;
		}
		
		public override bool AllowHousing( Mobile from, Point3D p )
		{
			return false;
		}
		
		public override bool AllowSpawn()
		{
			return false;
		}
		
		public override bool CanUseStuckMenu( Mobile m )
		{
			return false;
		}
	}
}