#region References
using System;

using Server.Items;
#endregion

namespace Server.Mobiles
{
	public class ThiefAI : BaseAI
	{
		private Item m_toDisarm;

		public ThiefAI(BaseCreature m)
			: base(m)
		{ }

		public override bool DoActionWander()
		{
			m_Mobile.DebugSay("I have no combatant");

			if (AcquireFocusMob(m_Mobile.RangePerception, m_Mobile.FightMode, false, false, true))
			{
				m_Mobile.DebugSay("I have detected {0}, attacking", m_Mobile.FocusMob.Name);

				m_Mobile.Combatant = m_Mobile.FocusMob;
				Action = ActionType.Combat;
			}
			else
			{
				base.DoActionWander();
			}

			return true;
		}

		public override bool DoActionCombat()
		{
			var c = m_Mobile.Combatant as Mobile;

			if (c == null || c.Deleted || c.Map != m_Mobile.Map)
			{
				m_Mobile.DebugSay("My combatant is gone, so my guard is up");

				Action = ActionType.Guard;

				return true;
			}

			if (WalkMobileRange(c, 1, true, m_Mobile.RangeFight, m_Mobile.RangeFight))
			{
				if (!DirectionLocked)
					m_Mobile.Direction = m_Mobile.GetDirectionTo(c);

				if (m_toDisarm == null)
				{
					m_toDisarm = c.FindItemOnLayer(Layer.OneHanded);
				}

				if (m_toDisarm == null)
				{
					m_toDisarm = c.FindItemOnLayer(Layer.TwoHanded);
				}

				if (m_toDisarm != null && m_toDisarm.IsChildOf(m_Mobile.Backpack))
				{
					m_toDisarm = c.FindItemOnLayer(Layer.OneHanded);

					if (m_toDisarm == null)
					{
						m_toDisarm = c.FindItemOnLayer(Layer.TwoHanded);
					}
				}

				if (!Core.AOS && !m_Mobile.DisarmReady && m_Mobile.Skills[SkillName.Wrestling].Value >= 80.0 &&
					m_Mobile.Skills[SkillName.ArmsLore].Value >= 80.0 && m_toDisarm != null)
				{
					EventSink.InvokeDisarmRequest(new DisarmRequestEventArgs(m_Mobile));
				}

				if (m_toDisarm != null && m_toDisarm.IsChildOf(c.Backpack) && m_Mobile.NextSkillTime <= Core.TickCount &&
					(m_toDisarm.LootType != LootType.Blessed && m_toDisarm.LootType != LootType.Newbied))
				{
					m_Mobile.DebugSay("Trying to steal from combatant.");
					m_Mobile.UseSkill(SkillName.Stealing);

					if (m_Mobile.Target != null)
					{
						m_Mobile.Target.Invoke(m_Mobile, m_toDisarm);
					}
				}
				else if (m_toDisarm == null && m_Mobile.NextSkillTime <= Core.TickCount)
				{
					var cpack = c.Backpack;

					if (cpack != null)
					{
						var steala = cpack.FindItemByType(typeof(Bandage));

						if (steala != null)
						{
							m_Mobile.DebugSay("Trying to steal from combatant.");
							m_Mobile.UseSkill(SkillName.Stealing);

							if (m_Mobile.Target != null)
							{
								m_Mobile.Target.Invoke(m_Mobile, steala);
							}
						}

						var stealb = cpack.FindItemByType(typeof(Nightshade));

						if (stealb != null)
						{
							m_Mobile.DebugSay("Trying to steal from combatant.");
							m_Mobile.UseSkill(SkillName.Stealing);

							if (m_Mobile.Target != null)
							{
								m_Mobile.Target.Invoke(m_Mobile, stealb);
							}
						}

						var stealc = cpack.FindItemByType(typeof(BlackPearl));

						if (stealc != null)
						{
							m_Mobile.DebugSay("Trying to steal from combatant.");
							m_Mobile.UseSkill(SkillName.Stealing);

							if (m_Mobile.Target != null)
							{
								m_Mobile.Target.Invoke(m_Mobile, stealc);
							}
						}

						var steald = cpack.FindItemByType(typeof(MandrakeRoot));

						if (steald != null)
						{
							m_Mobile.DebugSay("Trying to steal from combatant.");
							m_Mobile.UseSkill(SkillName.Stealing);

							if (m_Mobile.Target != null)
							{
								m_Mobile.Target.Invoke(m_Mobile, steald);
							}
						}
						else if (steala == null && stealb == null && stealc == null && steald == null)
						{
							m_Mobile.DebugSay("I am going to flee from {0}", c.Name);

							Action = ActionType.Flee;
						}
					}
				}
			}
			else
			{
				m_Mobile.DebugSay("I should be closer to {0}", c.Name);
			}

			if (!m_Mobile.Controlled && !m_Mobile.Summoned && m_Mobile.CanFlee)
			{
				if (m_Mobile.Hits < m_Mobile.HitsMax * 20 / 100)
				{
					// We are low on health, should we flee?
					if (Utility.Random(100) <= Math.Max(10, 10 + c.Hits - m_Mobile.Hits))
					{
						m_Mobile.DebugSay("I am going to flee from {0}", c.Name);
						Action = ActionType.Flee;
					}
				}
			}

			return true;
		}

		public override bool DoActionGuard()
		{
			if (AcquireFocusMob(m_Mobile.RangePerception, m_Mobile.FightMode, false, false, true))
			{
				m_Mobile.DebugSay("I have detected {0}, attacking", m_Mobile.FocusMob.Name);

				m_Mobile.Combatant = m_Mobile.FocusMob;
				Action = ActionType.Combat;
			}
			else
			{
				base.DoActionGuard();
			}

			return true;
		}
	}
}