using System;
using Server.Gumps;
using Server.Targeting;
using Server.Network;
using Server.Engines.Quests.Haven;
using Server.Engines.VeteranRewards;

namespace Server.Items
{
	public class CannonAddonComponent : AddonComponent
	{
		public override int LabelNumber => 1076157; // Decorative Cannon

		public CannonAddonComponent( int itemID ) : base( itemID )
		{
			LootType = LootType.Blessed;
		}

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

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

			if ( Addon is CannonAddon addon )
			{
				if ( addon.IsRewardItem )
					list.Add( 1076223 ); // 7th Year Veteran Reward

				list.Add( 1076207, addon.Charges.ToString() ); // Remaining Charges: ~1_val~
			}
		}

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

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

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

			int version = reader.ReadInt();
		}
	}

	public class CannonAddon : BaseAddon
	{
		public override BaseAddonDeed Deed
		{
			get
			{
				CannonDeed deed = new CannonDeed();
				deed.Charges = m_Charges;
				deed.IsRewardItem = m_IsRewardItem;

				return deed;
			}
		}

		private CannonDirection m_CannonDirection;
		private int m_Charges;
		private bool m_IsRewardItem;

		[CommandProperty( AccessLevel.GameMaster )]
		public CannonDirection CannonDirection => m_CannonDirection;

		[CommandProperty( AccessLevel.GameMaster )]
		public int Charges
		{
			get => m_Charges;
			set
			{
				m_Charges = value;

				foreach ( AddonComponent c in Components )
					c.InvalidateProperties();
			}
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public bool IsRewardItem
		{
			get => m_IsRewardItem;
			set
			{
				m_IsRewardItem = value;

				foreach ( AddonComponent c in Components )
					c.InvalidateProperties();
			}
		}

		[Constructible]
		public CannonAddon( CannonDirection direction )
		{
			m_CannonDirection = direction;

			switch ( direction )
			{
				case CannonDirection.North:
				{
					AddComponent( new CannonAddonComponent( 0xE8D ), 0, 0, 0 );
					AddComponent( new CannonAddonComponent( 0xE8C ), 0, 1, 0 );
					AddComponent( new CannonAddonComponent( 0xE8B ), 0, 2, 0 );

					break;
				}
				case CannonDirection.East:
				{
					AddComponent( new CannonAddonComponent( 0xE96 ), 0, 0, 0 );
					AddComponent( new CannonAddonComponent( 0xE95 ), -1, 0, 0 );
					AddComponent( new CannonAddonComponent( 0xE94 ), -2, 0, 0 );

					break;
				}
				case CannonDirection.South:
				{
					AddComponent( new CannonAddonComponent( 0xE91 ), 0, 0, 0 );
					AddComponent( new CannonAddonComponent( 0xE92 ), 0, -1, 0 );
					AddComponent( new CannonAddonComponent( 0xE93 ), 0, -2, 0 );

					break;
				}
				default:
				{
					AddComponent( new CannonAddonComponent( 0xE8E ), 0, 0, 0 );
					AddComponent( new CannonAddonComponent( 0xE8F ), 1, 0, 0 );
					AddComponent( new CannonAddonComponent( 0xE90 ), 2, 0, 0 );

					break;
				}
			}
		}

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

		public override void OnComponentUsed( AddonComponent c, Mobile from )
		{
			if ( from.InRange( Location, 2 ) )
			{
				if ( m_Charges > 0 )
				{
					from.Target = new InternalTarget( this );
				}
				else
				{
					if ( from.Backpack != null )
					{
						PotionKeg keg = from.Backpack.FindItemByType( typeof( PotionKeg ) ) as PotionKeg;

						if ( Validate( keg ) > 0 )
							from.SendGump( new InternalGump( this, keg ) );
						else
							from.SendLocalizedMessage( 1076198 ); // You do not have a full keg of explosion potions needed to recharge the cannon.
					}
				}
			}
			else
				from.SendLocalizedMessage( 1076766 ); // That is too far away.
		}

		public int Validate( PotionKeg keg )
		{
			if ( keg != null && !keg.Deleted && keg.Held == 100 )
			{
				if ( keg.Type == PotionEffect.ExplosionLesser )
					return 5;
				else if ( keg.Type == PotionEffect.Explosion )
					return 10;
				else if ( keg.Type == PotionEffect.ExplosionGreater )
					return 15;
			}

			return 0;
		}

		public void Fill( Mobile from, PotionKeg keg )
		{
			Charges = Validate( keg );

			if ( Charges > 0 )
			{
				keg.Delete();
				from.SendLocalizedMessage( 1076199 ); // Your cannon is recharged.
			}
			else
				from.SendLocalizedMessage( 1076198 ); // You do not have a full keg of explosion potions needed to recharge the cannon.
		}

		private static int[] m_Effects = {
			0x36B0, 0x3728, 0x3709, 0x36FE
		};

		public void DoFireEffect( IPoint3D target )
		{
			Map map = Map;

			if ( target == null || map == null )
				return;

			Effects.PlaySound( target, map, Utility.RandomList( 0x11B, 0x11C, 0x11D ) );
			Effects.SendLocationEffect( target, map, Utility.RandomList( m_Effects ), 16, 1 );

			for ( int count = Utility.Random( 3 ); count > 0; count-- )
			{
				IPoint3D location = new Point3D( target.X + Utility.RandomMinMax( -1, 1 ), target.Y + Utility.RandomMinMax( -1, 1 ), target.Z );
				int effect = Utility.RandomList( m_Effects );
				Effects.SendLocationEffect( location, map, effect, 16, 1 );
			}

			Charges -= 1;
		}

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

			writer.WriteEncodedInt( 0 ); // version

			writer.Write( (int) m_CannonDirection );
			writer.Write( (int) m_Charges );
			writer.Write( (bool) m_IsRewardItem );
		}

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

			int version = reader.ReadEncodedInt();

			m_CannonDirection = (CannonDirection) reader.ReadInt();
			m_Charges = reader.ReadInt();
			m_IsRewardItem = reader.ReadBool();
		}

		private class InternalTarget : Target
		{
			private CannonAddon m_Cannon;

			public InternalTarget( CannonAddon cannon  ) : base( 12, true, TargetFlags.None )
			{
				m_Cannon = cannon;
			}

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

				if ( !(targeted is IPoint3D p) )
					return;

				if ( from.InLOS( new Point3D( p ) ) )
				{
					if ( !Utility.InRange( new Point3D( p ), m_Cannon.Location, 2 ) )
					{
						bool allow = false;

						int x = p.X - m_Cannon.X;
						int y = p.Y - m_Cannon.Y;

						switch ( m_Cannon.CannonDirection )
						{
							case CannonDirection.North:
								if ( y < 0 && Math.Abs( x ) <= -y / 3 )
									allow = true;

								break;
							case CannonDirection.East:
								if ( x > 0 && Math.Abs( y ) <= x / 3 )
									allow = true;

								break;
							case CannonDirection.South:
								if ( y > 0 && Math.Abs( x ) <= y / 3 )
									allow = true;

								break;
							case CannonDirection.West:
								if ( x < 0 && Math.Abs( y ) <= -x / 3 )
									allow = true;

								break;
						}

						if ( allow && Utility.InRange( new Point3D( p ), m_Cannon.Location, 14 ) )
							m_Cannon.DoFireEffect( p );
						else
							from.SendLocalizedMessage( 1076203 ); // Target out of range.
					}
					else
						from.SendLocalizedMessage( 1076215 ); // Cannon must be aimed farther away.
				}
				else
					from.SendLocalizedMessage( 1049630 ); // You cannot see that target!
			}

			protected override void OnTargetOutOfRange( Mobile from, object targeted )
			{
				from.SendLocalizedMessage( 1076203 ); // Target out of range.
			}
		}

		private class InternalGump : Gump
		{
			private CannonAddon m_Cannon;
			private PotionKeg m_Keg;

			private enum Buttons
			{
				Cancel,
				Recharge
			}

			public InternalGump( CannonAddon cannon, PotionKeg keg ) : base( 50, 50 )
			{
				m_Cannon = cannon;
				m_Keg = keg;

				Closable = true;
				Disposable = true;
				Dragable = true;
				Resizable = false;

				AddPage( 0 );

				AddBackground( 0, 0, 291, 133, 0x13BE );
				AddImageTiled( 5, 5, 280, 100, 0xA40 );

				AddHtmlLocalized( 9, 9, 272, 100, 1076196, cannon.Validate( keg ).ToString(), 0x7FFF, false, false ); // You will need a full keg of explosion potions to recharge the cannon.  Your keg will provide ~1_CHARGES~ charges.

				AddButton( 5, 107, 0xFB1, 0xFB2, (int) Buttons.Cancel, GumpButtonType.Reply, 0 );
				AddHtmlLocalized( 40, 109, 100, 20, 1060051, 0x7FFF, false, false ); // CANCEL

				AddButton( 160, 107, 0xFB7, 0xFB8, (int) Buttons.Recharge, GumpButtonType.Reply, 0 );
				AddHtmlLocalized( 195, 109, 120, 20, 1076197, 0x7FFF, false, false ); // Recharge
			}

			public override void OnResponse( NetState state, RelayInfo info )
			{
				if ( m_Cannon == null || m_Cannon.Deleted )
					return;

				if ( info.ButtonID == (int) Buttons.Recharge )
					m_Cannon.Fill( state.Mobile, m_Keg );
			}
		}
	}

	public class CannonDeed : BaseAddonDeed, IRewardItem, IRewardOption
	{
		public override int LabelNumber => 1076195; // A deed for a cannon

		public override BaseAddon Addon
		{
			get
			{
				CannonAddon addon = new CannonAddon( m_Direction );
				addon.Charges = m_Charges;
				addon.IsRewardItem = m_IsRewardItem;

				return addon;
			}
		}

		private CannonDirection m_Direction;
		private int m_Charges;
		private bool m_IsRewardItem;

		[CommandProperty( AccessLevel.GameMaster )]
		public int Charges
		{
			get => m_Charges;
			set{ m_Charges = value; InvalidateProperties(); }
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public bool IsRewardItem
		{
			get => m_IsRewardItem;
			set{ m_IsRewardItem = value; InvalidateProperties(); }
		}

		[Constructible]
		public CannonDeed()
		{
			LootType = LootType.Blessed;
		}

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

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

			if ( m_IsRewardItem )
				list.Add( 1076223 ); // 7th Year Veteran Reward

			list.Add( 1076207, m_Charges.ToString() ); // Remaining Charges: ~1_val~
		}

		public override void OnDoubleClick( Mobile from )
		{
			if ( m_IsRewardItem && !RewardSystem.CheckIsUsableBy( from, this, null ) )
				return;

			if ( IsChildOf( from.Backpack ) )
			{
				from.CloseGump( typeof( RewardOptionGump ) );
				from.SendGump( new RewardOptionGump( this ) );
			}
			else
				from.SendLocalizedMessage( 1042038 ); // You must have the object in your backpack to use it.
		}

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

			writer.WriteEncodedInt( 0 ); // version

			writer.Write( (int) m_Charges );
			writer.Write( (bool) m_IsRewardItem );
		}

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

			int version = reader.ReadEncodedInt();

			m_Charges = reader.ReadInt();
			m_IsRewardItem = reader.ReadBool();
		}

		public void GetOptions( RewardOptionList list )
		{
			list.Add( (int) CannonDirection.South, 1075386 ); // South
			list.Add( (int) CannonDirection.East, 1075387 ); // East
			list.Add( (int) CannonDirection.North, 1075389 ); // North
			list.Add( (int) CannonDirection.West, 1075390 ); // West
		}

		public void OnOptionSelected( Mobile from, int option )
		{
			m_Direction = (CannonDirection) option;

			if ( !Deleted )
				base.OnDoubleClick( from );
		}
	}
}