using System;
using Server.Items;
using Server.Targeting;
using Server.Events.Halloween;
using Server.Mobiles;
using System.Collections.Generic;

namespace Server.Engines.Events
{
	public class TrickOrTreat
	{
		public static TimeSpan OneSecond = TimeSpan.FromSeconds( 1 );

		public static void Initialize()
		{
			DateTime now = DateTime.UtcNow;

			if ( DateTime.UtcNow >= HolidaySettings.StartHalloween && DateTime.UtcNow <= HolidaySettings.FinishHalloween )
			{
				EventSink.Speech += new SpeechEventHandler( EventSink_Speech );
			}
		}

		private static void EventSink_Speech( SpeechEventArgs e )
		{

			if ( Insensitive.Contains( e.Speech, "trick or treat" ) )
			{
				e.Mobile.Target = new TrickOrTreatTarget();

				e.Mobile.SendLocalizedMessage( 1076764 );  /* Pick someone to Trick or Treat. */
			}
		}

		private class TrickOrTreatTarget : Target
		{
			public TrickOrTreatTarget()
				: base( 15, false, TargetFlags.None )
			{
			}

			protected override void OnTarget( Mobile from, object targ )
			{
				if ( targ != null && CheckMobile( from ) )
				{
					if ( !( targ is Mobile ) )
					{
						from.SendLocalizedMessage( 1076781 ); /* There is little chance of getting candy from that! */
						return;
					}
					if ( !( targ is BaseVendor ) || ( ( BaseVendor )targ ).Deleted )
					{
						from.SendLocalizedMessage( 1076765 ); /* That doesn't look friendly. */
						return;
					}

					DateTime now = DateTime.UtcNow;

					BaseVendor m_Begged = targ as BaseVendor;

					if ( CheckMobile( m_Begged ) )
					{
						if ( m_Begged.NextTrickOrTreat > now )
						{
							from.SendLocalizedMessage( 1076767 ); /* That doesn't appear to have any more candy. */
							return;
						}

						m_Begged.NextTrickOrTreat = now + TimeSpan.FromMinutes( Utility.RandomMinMax( 5, 10 ) );

						if ( from.Backpack != null && !from.Backpack.Deleted )
						{
							if ( Utility.RandomDouble() > .10 )
							{
								switch( Utility.Random( 3 ) )
								{
									case 0: m_Begged.Say( 1076768 ); break; /* Oooooh, aren't you cute! */
									case 1: m_Begged.Say( 1076779 ); break; /* All right...This better not spoil your dinner! */
									case 2: m_Begged.Say( 1076778 ); break; /* Here you go! Enjoy! */
									default: break;
								}

								if ( Utility.RandomDouble() <= .01 && from.Skills.Begging.Value >= 100 )
								{
									from.AddToBackpack( HolidaySettings.RandomGMBeggerItem );

									from.SendLocalizedMessage( 1076777 ); /* You receive a special treat! */
								}
								else
								{
									from.AddToBackpack( HolidaySettings.RandomTreat );

									from.SendLocalizedMessage( 1076769 );   /* You receive some candy. */
								}
							}
							else
							{
								m_Begged.Say( 1076770 ); /* TRICK! */

								int m_Action = Utility.Random( 4 );

								if ( m_Action == 0 )
								{
									Timer.DelayCall<Mobile>( OneSecond, OneSecond, 10, new TimerStateCallback<Mobile>( Bleeding ), from );
								}
								else if ( m_Action == 1 )
								{
									Timer.DelayCall<Mobile>( TimeSpan.FromSeconds( 2 ), new TimerStateCallback<Mobile>( SolidHueMobile ), from );
								}
								else
								{
									Timer.DelayCall<Mobile>( TimeSpan.FromSeconds( 2 ), new TimerStateCallback<Mobile>( MakeTwin ), from );
								}
							}
						}
					}
				}
			}
		}

		public static void Bleeding( Mobile m_From )
		{
			if ( CheckMobile( m_From ) )
			{
				if ( m_From.Location != Point3D.Zero )
				{
					int amount = Utility.RandomMinMax( 3, 7 );

					for( int i = 0; i < amount; i++ )
					{
						new Blood( Utility.RandomMinMax( 0x122C, 0x122F ) ).MoveToWorld( RandomPointOneAway( m_From.X, m_From.Y, m_From.Z, m_From.Map ), m_From.Map );
					}
				}
			}
		}

		public static void RemoveHueMod( Mobile target )
		{
			if ( target != null && !target.Deleted )
			{
				target.SolidHueOverride = -1;
			}
		}

		public static void SolidHueMobile( Mobile target )
		{
			if ( CheckMobile( target ) )
			{
				target.SolidHueOverride = Utility.RandomMinMax( 2501, 2644 );

				Timer.DelayCall<Mobile>( TimeSpan.FromSeconds( 10 ), new TimerStateCallback<Mobile>( RemoveHueMod ), target );
			}
		}

		public static void MakeTwin( Mobile m_From )
		{
			List<Item> m_Items = new List<Item>();

			if ( CheckMobile( m_From ) )
			{
				Mobile twin = new NaughtyTwin( m_From );

				if ( twin != null && !twin.Deleted )
				{
					foreach( Item item in m_From.Items )
					{
						if ( item.Layer != Layer.Backpack && item.Layer != Layer.Mount && item.Layer != Layer.Bank )
						{
							m_Items.Add( item );
						}
					}

					if ( m_Items.Count > 0 )
					{
						for( int i = 0; i < m_Items.Count; i++ ) /* dupe exploits start out like this ... */
						{
							twin.AddItem( Mobile.LiftItemDupe( m_Items[ i ], 1 ) );
						}

						foreach( Item item in twin.Items ) /* ... and end like this */
						{
							if ( item.Layer != Layer.Backpack && item.Layer != Layer.Mount && item.Layer != Layer.Bank )
							{
								item.Movable = false;
							}
						}
					}

					twin.Hue = m_From.Hue;
					twin.BodyValue = m_From.BodyValue;
					twin.Kills = m_From.Kills;

					Point3D point = RandomPointOneAway( m_From.X, m_From.Y, m_From.Z, m_From.Map );

					twin.MoveToWorld( m_From.Map.CanSpawnMobile( point ) ? point : m_From.Location, m_From.Map );

					Timer.DelayCall( TimeSpan.FromSeconds( 5 ), new TimerStateCallback<Mobile>( DeleteTwin ), twin );
				}
			}
		}

		public static void DeleteTwin( Mobile m_Twin )
		{
			if ( CheckMobile( m_Twin ) )
			{
				m_Twin.Delete();
			}
		}

		public static Point3D RandomPointOneAway( int x, int y, int z, Map map )
		{
			Point3D loc = new Point3D( x + Utility.Random( -1, 3 ), y + Utility.Random( -1, 3 ), 0 );

			loc.Z = ( map.CanFit( loc, 0 )) ? map.GetAverageZ( loc.X, loc.Y ) : z;

			return loc;
		}

		public static bool CheckMobile( Mobile mobile )
		{
			return ( mobile?.Map != null && !mobile.Deleted && mobile.Alive && mobile.Map != Map.Internal );
		}
	}

	public class NaughtyTwin : BaseCreature
	{
		private Mobile m_From;

		private static Point3D[] Felucca_Locations =
		{
			new Point3D( 4467, 1283, 5 ), // Moonglow
			new Point3D( 1336, 1997, 5 ), // Britain
			new Point3D( 1499, 3771, 5 ), // Jhelom
			new Point3D(  771,  752, 5 ), // Yew
			new Point3D( 2701,  692, 5 ), // Minoc
			new Point3D( 1828, 2948,-20), // Trinsic
			new Point3D(  643, 2067, 5 ), // Skara Brae
			new Point3D( 3563, 2139, Map.Trammel.GetAverageZ( 3563, 2139 ) ), // (New) Magincia
		};

		private static Point3D[] Malas_Locations =
		{
			new Point3D(1015, 527, -65), // Luna
			new Point3D(1997, 1386, -85) // Umbra
		};

		private static Point3D[] Ilshenar_Locations =
		{
			new Point3D( 1215,  467, -13 ), // Compassion
			new Point3D(  722, 1366, -60 ), // Honesty
			new Point3D(  744,  724, -28 ), // Honor
			new Point3D(  281, 1016,   0 ), // Humility
			new Point3D(  987, 1011, -32 ), // Justice
			new Point3D( 1174, 1286, -30 ), // Sacrifice
			new Point3D( 1532, 1340, - 3 ), // Spirituality
			new Point3D(  528,  216, -45 ), // Valor
			new Point3D( 1721,  218,  96 )  // Chaos
		};

		private static Point3D[] Tokuno_Locations =
		{
			new Point3D( 1169,  998, 41 ), // Isamu-Jima
			new Point3D(  802, 1204, 25 ), // Makoto-Jima
			new Point3D(  270,  628, 15 )  // Homare-Jima
		};

		public NaughtyTwin( Mobile from )
			: base( AIType.AI_Melee, FightMode.None, 10, 1, 0.2, 0.4 )
		{
			if ( TrickOrTreat.CheckMobile( from ) )
			{
				Body = from.Body;

				m_From = from;
				Name = $"{@from.Name}\'s Naughty Twin";

				Timer.DelayCall<Mobile>( TrickOrTreat.OneSecond, Utility.RandomBool() ? new TimerStateCallback<Mobile>( StealCandy ) : new TimerStateCallback<Mobile>( ToGate ), m_From );
			}
		}

		public override void OnThink()
		{
			if ( m_From == null || m_From.Deleted )
			{
				Delete();
			}
		}

		public static Item FindCandyTypes( Mobile target )
		{
			Type[] types = { typeof( WrappedCandy ), typeof( Lollipops ), typeof( NougatSwirl ), typeof( Taffy ), typeof( JellyBeans ) };

			if ( TrickOrTreat.CheckMobile( target ) )
			{
				for( int i = 0; i < types.Length; i++ )
				{
					Item item = target.Backpack.FindItemByType( types[ i ] );

					if ( item != null )
					{
						return item;
					}
				}
			}
			return null;
		}

		public static void StealCandy( Mobile target )
		{
			if ( TrickOrTreat.CheckMobile( target ) )
			{
				Item item = FindCandyTypes( target );

				target.SendLocalizedMessage( 1113967 ); /* Your naughty twin steals some of your candy. */

				if ( item != null && !item.Deleted )
				{
					item.Delete();
				}
			}
		}

		public static void ToGate( Mobile target )
		{
			if ( TrickOrTreat.CheckMobile( target ) )
			{
				target.SendLocalizedMessage( 1113972 ); /* Your naughty twin teleports you away with a naughty laugh! */

				target.MoveToWorld( RandomMoongate( target ), target.Map );
			}
		}

		public static Point3D RandomMoongate( Mobile target )
		{
			Map map = target.Map;

			switch( target.Map.MapID )
			{
				case 2: return Ilshenar_Locations[ Utility.Random( Ilshenar_Locations.Length ) ];
				case 3: return Malas_Locations[ Utility.Random( Malas_Locations.Length ) ];
				case 4: return Tokuno_Locations[ Utility.Random( Tokuno_Locations.Length ) ];
				default: return Felucca_Locations[ Utility.Random( Felucca_Locations.Length ) ];
			}
		}

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

		public override void Serialize( GenericWriter writer )
		{
			base.Serialize( writer );
			writer.Write( ( int )0 );
		}

		public override void Deserialize( GenericReader reader )
		{
			base.Deserialize( reader );
			int version = reader.ReadInt();
		}
	}
}