using System;
using System.Collections.Generic;
using Server.Mobiles;
using Server.Targeting;
using Server.ContextMenus;
using Server.Network;
using Server.Regions;
using Server.Spells;
using Server.Spells.Ninjitsu;

namespace Server.Items
{
	public class BallOfSummoning : Item, TranslocationItem
	{
		private int m_Charges;
		private int m_Recharges;
		private BaseCreature m_Pet;
		private string m_PetName;

		[CommandProperty( AccessLevel.GameMaster )]
		public int Charges
		{
			get => m_Charges;
			set
			{
				if ( value > MaxCharges )
					m_Charges = MaxCharges;
				else if ( value < 0 )
					m_Charges = 0;
				else
					m_Charges = value;

				InvalidateProperties();
			}
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public int Recharges
		{
			get => m_Recharges;
			set
			{
				if ( value > MaxRecharges )
					m_Recharges = MaxRecharges;
				else if ( value < 0 )
					m_Recharges = 0;
				else
					m_Recharges = value;

				InvalidateProperties();
			}
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public int MaxCharges => 20;

		[CommandProperty( AccessLevel.GameMaster )]
		public int MaxRecharges => 255;

		public string TranslocationItemName => "crystal ball of pet summoning";

		[CommandProperty( AccessLevel.GameMaster )]
		public BaseCreature Pet
		{
			get
			{
				if ( m_Pet != null && m_Pet.Deleted )
				{
					m_Pet = null;
					InternalUpdatePetName();
				}

				return m_Pet;
			}
			set
			{
				m_Pet = value;
				InternalUpdatePetName();
			}
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public string PetName => m_PetName;

		[Constructible]
		public BallOfSummoning() : base( 0xE2E )
		{
			Weight = 10.0;
			Light = LightType.Circle150;

			m_Charges = Utility.RandomMinMax( 3, 9 );

			m_PetName = "";
		}

		public override void AddNameProperty( ObjectPropertyList list )
		{
			list.Add( 1054131, m_Charges.ToString() + ( m_PetName.Length == 0 ? "\t " : "\t" + m_PetName ) ); // a crystal ball of pet summoning: [charges: ~1_charges~] : [linked pet: ~2_petName~]
		}

		public override void OnSingleClick( Mobile from )
		{
			LabelTo( from, 1054131, m_Charges.ToString() + ( m_PetName.Length == 0 ? "\t " : "\t" + m_PetName ) ); // a crystal ball of pet summoning: [charges: ~1_charges~] : [linked pet: ~2_petName~]
		}

		private delegate void BallCallback( Mobile from );

		public override void GetContextMenuEntries( Mobile from, List<ContextMenuEntry> list )
		{
			base.GetContextMenuEntries( from, list );

			if ( from.Alive && RootParent == from )
			{
				if ( Pet == null )
				{
					list.Add( new BallEntry( new BallCallback( LinkPet ), 6180 ) );
				}
				else
				{
					list.Add(new BallEntry(new BallCallback( CastSummonPet ), 6181 ));
					list.Add( new BallEntry( new BallCallback( UpdatePetName ), 6183 ) );
					list.Add( new BallEntry( new BallCallback( UnlinkPet ), 6182 ) );
				}
			}
		}

		private class BallEntry : ContextMenuEntry
		{
			private BallCallback m_Callback;

			public BallEntry( BallCallback callback, int number ) : base( number, 2 )
			{
				m_Callback = callback;
			}

			public override void OnClick()
			{
				Mobile from = Owner.From;

				if ( from.CheckAlive() )
					m_Callback( from );
			}
		}

		public override void OnDoubleClick( Mobile from )
		{
			if ( RootParent != from ) // TODO: Previous implementation allowed use on ground, without house protection checks. What is the correct behavior?
			{
				from.LocalOverheadMessage( MessageType.Regular, 0x3B2, 1042001 ); // That must be in your pack for you to use it.
				return;
			}

			AnimalFormContext animalContext = AnimalForm.GetContext( from );

			if ( Core.ML && animalContext != null )
			{
				from.LocalOverheadMessage( MessageType.Regular, 0x3B2, 1080073 ); // You cannot use a Crystal Ball of Pet Summoning while in animal form.
				return;
			}

			if ( Pet == null )
			{
				LinkPet( from );
			}
			else
			{
				CastSummonPet( from );
			}
		}

		public void LinkPet( Mobile from )
		{
			BaseCreature pet = Pet;

			if ( Deleted || pet != null || RootParent != from )
				return;

			from.SendLocalizedMessage( 1054114 ); // Target your pet that you wish to link to this Crystal Ball of Pet Summoning.
			from.Target = new PetLinkTarget( this );
		}

		private class PetLinkTarget : Target
		{
			private BallOfSummoning m_Ball;

			public PetLinkTarget( BallOfSummoning ball ) : base( -1, false, TargetFlags.None )
			{
				m_Ball = ball;
			}

			protected override void OnTarget( Mobile from, object targeted )
			{
				if ( m_Ball.Deleted || m_Ball.Pet != null )
					return;

				if ( m_Ball.RootParent != from )
				{
					from.LocalOverheadMessage( MessageType.Regular, 0x3B2, 1042001 ); // That must be in your pack for you to use it.
				}
				else if ( targeted is BaseCreature creature )
				{
					if ( !creature.Controlled || creature.ControlMaster != from )
					{
						MessageHelper.SendLocalizedMessageTo( m_Ball, from, 1054117, 0x59 ); // You may only link your own pets to a Crystal Ball of Pet Summoning.
					}
					else if ( !creature.IsBonded )
					{
						MessageHelper.SendLocalizedMessageTo( m_Ball, from, 1054118, 0x59 ); // You must bond with your pet before it can be linked to a Crystal Ball of Pet Summoning.
					}
					else
					{
						MessageHelper.SendLocalizedMessageTo( m_Ball, from, 1054119, 0x59 ); // Your pet is now linked to this Crystal Ball of Pet Summoning.

						m_Ball.Pet = creature;
					}
				}
				else if ( targeted == m_Ball )
				{
					MessageHelper.SendLocalizedMessageTo( m_Ball, from, 1054115, 0x59 ); // The Crystal Ball of Pet Summoning cannot summon itself.
				}
				else
				{
					MessageHelper.SendLocalizedMessageTo( m_Ball, from, 1054116, 0x59 ); // Only pets can be linked to this Crystal Ball of Pet Summoning.
				}
			}
		}

		public void CastSummonPet( Mobile from )
		{
			BaseCreature pet = Pet;

			if ( Deleted || pet == null || RootParent != from )
				return;

			if ( Charges == 0 )
			{
				SendLocalizedMessageTo( from, 1054122 ); // The Crystal Ball darkens. It must be charged before it can be used again.
			}
			else if ( pet is BaseMount mount && mount.Rider == from )
			{
				MessageHelper.SendLocalizedMessageTo( this, from, 1054124, 0x36 ); // The Crystal Ball fills with a yellow mist. Why would you summon your pet while riding it?
			}
			else if ( pet.Map == Map.Internal && ( !pet.IsStabled || (from.Followers + pet.ControlSlots) > from.FollowersMax ) )
			{
				MessageHelper.SendLocalizedMessageTo( this, from, 1054125, 0x5 ); // The Crystal Ball fills with a blue mist. Your pet is not responding to the summons.
			}
			else if ( ( !pet.Controlled || pet.ControlMaster != from ) && !from.Stabled.Contains( pet ) )
			{
				MessageHelper.SendLocalizedMessageTo( this, from, 1054126, 0x8FD ); // The Crystal Ball fills with a grey mist. You are not the owner of the pet you are attempting to summon.
			}
			else if ( !pet.IsBonded )
			{
				MessageHelper.SendLocalizedMessageTo( this, from, 1054127, 0x22 ); // The Crystal Ball fills with a red mist. You appear to have let your bond to your pet deteriorate.
			}
			else if ( from.Map == Map.Ilshenar || from.Region.IsPartOf( typeof( DungeonRegion ) ) || from.Region.IsPartOf( typeof( Jail ) ) || from.Region.IsPartOf( typeof( Engines.ConPVP.SafeZone ) ) )
			{
				from.Send( new AsciiMessage( Serial, ItemID, MessageType.Regular, 0x22, 3, "", "You cannot summon your pet to this location." ) );
			}
			else if ( Core.ML && from is PlayerMobile mobile && DateTime.UtcNow < mobile.LastPetBallTime.AddSeconds( 15.0 ) )
			{
				MessageHelper.SendLocalizedMessageTo( this, mobile, 1080072, 0x22 ); // You must wait a few seconds before you can summon your pet.
			}
			else
			{
				if ( Core.ML )
					new PetSummoningSpell( this, from ).Cast();
				else
					SummonPet( from );
			}

		}


		public void SummonPet( Mobile from )
		{
			BaseCreature pet = Pet;

			if ( pet == null )
				return;

			Charges--;

			if ( pet.IsStabled )
			{
				pet.SetControlMaster( from );

				if ( pet.Summoned )
					pet.SummonMaster = from;

				pet.ControlTarget = from;
				pet.ControlOrder = OrderType.Follow;

				pet.IsStabled = false;
				pet.StabledBy = null;
				from.Stabled.Remove( pet );

				if ( from is PlayerMobile mobile )
					mobile.AutoStabled.Remove( pet );
			}

			pet.MoveToWorld( from.Location, from.Map );

			MessageHelper.SendLocalizedMessageTo( this, from, 1054128, 0x43 ); // The Crystal Ball fills with a green mist. Your pet has been summoned.

			if ( from is PlayerMobile playerMobile )
			{
				playerMobile.LastPetBallTime = DateTime.UtcNow;
			}
		}

		public void UnlinkPet( Mobile from )
		{
			if ( !Deleted && Pet != null && RootParent == from )
			{
				Pet = null;

				SendLocalizedMessageTo( from, 1054120 ); // This crystal ball is no longer linked to a pet.
			}
		}

		public void UpdatePetName( Mobile from )
		{
			InternalUpdatePetName();
		}

		private void InternalUpdatePetName()
		{
			BaseCreature pet = Pet;

			if ( pet == null )
				m_PetName = "";
			else
				m_PetName = pet.Name;

			InvalidateProperties();
		}

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

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

			writer.WriteEncodedInt( (int) 1 ); // version

			writer.WriteEncodedInt( (int) m_Recharges );

			writer.WriteEncodedInt( (int) m_Charges );
			writer.Write( (Mobile) Pet );
			writer.Write( (string) m_PetName );
		}

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

			int version = reader.ReadEncodedInt();

			switch ( version )
			{
				case 1:
				{
					m_Recharges = reader.ReadEncodedInt();
					goto case 0;
				}
				case 0:
				{
					m_Charges = Math.Min( reader.ReadEncodedInt(), MaxCharges );
					Pet = (BaseCreature) reader.ReadMobile();
					m_PetName = reader.ReadString();
					break;
				}
			}
		}

		private class PetSummoningSpell : Spell
		{
			private static SpellInfo m_Info = new SpellInfo( "Ball Of Summoning", "", 230 );

			private BallOfSummoning m_Ball;
			private Mobile m_Caster;

			public PetSummoningSpell( BallOfSummoning ball, Mobile caster )
				: base( caster, null, m_Info )
			{
				m_Caster = caster;
				m_Ball = ball;
			}

			public override bool ClearHandsOnCast => false;
			public override bool RevealOnCast => true;

			public override TimeSpan GetCastRecovery()
			{
				return TimeSpan.Zero;
			}

			public override double CastDelayFastScalar => 0;

			public override TimeSpan CastDelayBase => TimeSpan.FromSeconds( 2.0 );

			public override int GetMana()
			{
				return 0;
			}

			public override bool ConsumeReagents()
			{
				return true;
			}

			public override bool CheckFizzle()
			{
				return true;
			}

			private bool m_Stop;

			public void Stop()
			{
				m_Stop = true;
				Disturb( DisturbType.Hurt, false, false );
			}

			public override bool CheckDisturb( DisturbType type, bool checkFirst, bool resistable )
			{
				if ( type == DisturbType.EquipRequest || type == DisturbType.UseRequest/* || type == DisturbType.Hurt*/ )
					return false;

				return true;
			}

			public override void DoHurtFizzle()
			{
				if ( !m_Stop )
					base.DoHurtFizzle();
			}

			public override void DoFizzle()
			{
				if ( !m_Stop )
					base.DoFizzle();
			}

			public override void OnDisturb( DisturbType type, bool message )
			{
				if ( message && !m_Stop )
					Caster.SendLocalizedMessage( 1080074 ); // You have been disrupted while attempting to summon your pet!
			}

			public override void OnCast()
			{
				m_Ball.SummonPet( m_Caster );

				FinishSequence();
			}
		}
	}
}