using System;
using System.Collections;

namespace Server.Mobiles
{
	public class HarrowerTentacles : BaseCreature
	{
		public override string CorpseName => "a tentacles corpse";
		private Mobile m_Harrower;

		private DrainTimer m_Timer;

		[CommandProperty( AccessLevel.GameMaster )]
		public Mobile Harrower
		{
			get => m_Harrower;
			set => m_Harrower = value;
		}

		public override string DefaultName => "tentacles of the harrower";

		[Constructible]
		public HarrowerTentacles() : this( null )
		{
		}

		public HarrowerTentacles( Mobile harrower ) : base( AIType.AI_Melee, FightMode.Closest, 10, 1, 0.2, 0.4 )
		{
			m_Harrower = harrower;
			Body = 129;

			SetStr( 901, 1000 );
			SetDex( 126, 140 );
			SetInt( 1001, 1200 );

			SetHits( 541, 600 );

			SetDamage( 13, 20 );

			SetDamageType( ResistanceType.Physical, 20 );
			SetDamageType( ResistanceType.Fire, 20 );
			SetDamageType( ResistanceType.Cold, 20 );
			SetDamageType( ResistanceType.Poison, 20 );
			SetDamageType( ResistanceType.Energy, 20 );

			SetResistance( ResistanceType.Physical, 55, 65 );
			SetResistance( ResistanceType.Fire, 35, 45 );
			SetResistance( ResistanceType.Cold, 35, 45 );
			SetResistance( ResistanceType.Poison, 35, 45 );
			SetResistance( ResistanceType.Energy, 35, 45 );

			SetSkill( SkillName.Meditation, 100.0 );
			SetSkill( SkillName.MagicResist, 120.1, 140.0 );
			SetSkill( SkillName.Swords, 90.1, 100.0 );
			SetSkill( SkillName.Tactics, 90.1, 100.0 );
			SetSkill( SkillName.Wrestling, 90.1, 100.0 );

			Fame = 15000;
			Karma = -15000;

			VirtualArmor = 60;

			m_Timer = new DrainTimer( this );
			m_Timer.Start();

			PackReg( 50 );
			PackNecroReg( 15, 75 );
		}

		public override void CheckReflect( Mobile caster, ref bool reflect )
		{
			reflect = true;
		}

		public override int GetIdleSound()
		{
			return 0x101;
		}

		public override int GetAngerSound()
		{
			return 0x5E;
		}

		public override int GetDeathSound()
		{
			return 0x1C2;
		}

		public override int GetAttackSound()
		{
			return -1; // unknown
		}

		public override int GetHurtSound()
		{
			return 0x289;
		}

		public override void GenerateLoot()
		{
			AddLoot( LootPack.FilthyRich, 2 );
			AddLoot( LootPack.MedScrolls, 3 );
			AddLoot( LootPack.HighScrolls, 2 );
		}

		public override bool AutoDispel => true;
		public override bool Unprovokable => true;
		public override Poison PoisonImmune => Poison.Lethal;
		public override bool DisallowAllMoves => true;

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

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

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

			writer.Write( m_Harrower );
		}

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

			int version = reader.ReadInt();

			switch ( version )
			{
				case 0:
				{
					m_Harrower = reader.ReadMobile();

					m_Timer = new DrainTimer( this );
					m_Timer.Start();

					break;
				}
			}
		}

		public override void OnAfterDelete()
		{
			m_Timer?.Stop();

			m_Timer = null;

			base.OnAfterDelete();
		}

		private class DrainTimer : Timer
		{
			private HarrowerTentacles m_Owner;

			public DrainTimer( HarrowerTentacles owner ) : base( TimeSpan.FromSeconds( 5.0 ), TimeSpan.FromSeconds( 5.0 ) )
			{
				m_Owner = owner;
				Priority = TimerPriority.TwoFiftyMS;
			}

			private static ArrayList m_ToDrain = new ArrayList();

			protected override void OnTick()
			{
				if ( m_Owner.Deleted )
				{
					Stop();
					return;
				}

				foreach ( Mobile m in m_Owner.GetMobilesInRange( 9 ) )
				{
					if ( m == m_Owner || m == m_Owner.Harrower || !m_Owner.CanBeHarmful( m ) )
						continue;

					if ( m is BaseCreature )
					{
						BaseCreature bc = m as BaseCreature;

						if ( bc.Controlled || bc.Summoned )
							m_ToDrain.Add( m );
					}
					else if ( m.Player )
					{
						m_ToDrain.Add( m );
					}
				}

				foreach ( Mobile m in m_ToDrain )
				{
					m_Owner.DoHarmful( m );

					m.FixedParticles( 0x374A, 10, 15, 5013, 0x455, 0, EffectLayer.Waist );
					m.PlaySound( 0x1F1 );

					int drain = Utility.RandomMinMax( 14, 30 );

					m_Owner.Hits += drain;

					if ( m_Owner.Harrower != null )
						m_Owner.Harrower.Hits += drain;

					m.Damage( drain, m_Owner );
				}

				m_ToDrain.Clear();
			}
		}
	}
}