#region References
using System;
using System.Collections.Generic;

using Server.Engines.ArenaSystem;
using Server.Engines.PartySystem;
using Server.Engines.Quests;
using Server.Engines.VvV;
using Server.Factions;
using Server.Guilds;
using Server.Items;
using Server.Mobiles;
using Server.Multis;
using Server.SkillHandlers;
using Server.Spells.Chivalry;
using Server.Spells.Seventh;
#endregion

namespace Server.Misc
{
	public class NotorietyHandlers
	{
		public static void Initialize()
		{
			Notoriety.Hues[Notoriety.Innocent] = 0x59;
			Notoriety.Hues[Notoriety.Ally] = 0x3F;
			Notoriety.Hues[Notoriety.CanBeAttacked] = 0x3B2;
			Notoriety.Hues[Notoriety.Criminal] = 0x3B2;
			Notoriety.Hues[Notoriety.Enemy] = 0x90;
			Notoriety.Hues[Notoriety.Murderer] = 0x22;
			Notoriety.Hues[Notoriety.Invulnerable] = 0x35;

			Notoriety.Handler = MobileNotoriety;

			Mobile.AllowBeneficialHandler = Mobile_AllowBeneficial;
			Mobile.AllowHarmfulHandler = Mobile_AllowHarmful;
		}

		private enum GuildStatus
		{
			None,
			Peaceful,
			Warring
		}

		private static GuildStatus GetGuildStatus(Mobile m)
		{
			if (m.Guild == null)
				return GuildStatus.None;

			if (((Guild)m.Guild).Enemies.Count == 0 && m.Guild.Type == GuildType.Regular)
				return GuildStatus.Peaceful;

			return GuildStatus.Warring;
		}

		private static bool CheckBeneficialStatus(GuildStatus from, GuildStatus target)
		{
			if (from == GuildStatus.Warring || target == GuildStatus.Warring)
				return false;

			return true;
		}

		public static bool Mobile_AllowBeneficial(Mobile from, Mobile target)
		{
			if (from == null || target == null || from.IsStaff() || target.IsStaff())
				return true;

			var map = from.Map;

			#region Factions/VvV
			if (Settings.Enabled)
			{
				var targetFaction = Faction.Find(target, true);

				if ((!Core.ML || map == Faction.Facet) && targetFaction != null)
				{
					if (Faction.Find(from, true) != targetFaction)
						return false;
				}
			}

            if (ViceVsVirtueSystem.Enabled && ViceVsVirtueSystem.IsEnemy(from, target))
			{
                return false;
			}
			#endregion

			if (map != null && (map.Rules & MapRules.BeneficialRestrictions) == 0)
				return true; // In felucca, anything goes

			if (!from.Player)
				return true; // NPCs have no restrictions

			if (target is BaseCreature && !((BaseCreature)target).Controlled)
				return false; // Players cannot heal uncontrolled mobiles

			if (from is PlayerMobile && ((PlayerMobile)from).Young && target is BaseCreature &&
				((BaseCreature)target).Controlled)
				return true;

			if (from is PlayerMobile && ((PlayerMobile)from).Young &&
				(!(target is PlayerMobile) || !((PlayerMobile)target).Young))
				return false; // Young players cannot perform beneficial actions towards older players

			var fromGuild = from.Guild as Guild;
			var targetGuild = target.Guild as Guild;

			if (fromGuild != null && targetGuild != null)
			{
				if (targetGuild == fromGuild || fromGuild.IsAlly(targetGuild))
					return true; // Guild members can be beneficial
			}

			return CheckBeneficialStatus(GetGuildStatus(from), GetGuildStatus(target));
		}

		public static bool Mobile_AllowHarmful(Mobile from, IDamageable damageable)
		{
			var target = damageable as Mobile;

			if (from == null || target == null || from.IsStaff() || target.IsStaff())
				return true;

			var map = from.Map;

			if (map != null && (map.Rules & MapRules.HarmfulRestrictions) == 0)
				return true; // In felucca, anything goes

			// Summons should follow the same rules as their masters
			if (from is BaseCreature && ((BaseCreature)from).Summoned && ((BaseCreature)from).SummonMaster != null)
				from = ((BaseCreature)from).SummonMaster;

			if (target is BaseCreature && ((BaseCreature)target).Summoned && ((BaseCreature)target).SummonMaster != null)
				target = ((BaseCreature)target).SummonMaster;

			var bc = from as BaseCreature;

			if (!from.Player && !(bc != null && bc.GetMaster() != null && bc.GetMaster().IsPlayer()))
			{
				if (!CheckAggressor(from.Aggressors, target) && !CheckAggressed(from.Aggressed, target) && target is PlayerMobile &&
					((PlayerMobile)target).CheckYoungProtection(from))
					return false;

				return true; // Uncontrolled NPCs are only restricted by the young system
			}

			var fromGuild = GetGuildFor(from.Guild as Guild, from);
			var targetGuild = GetGuildFor(target.Guild as Guild, target);

			if (fromGuild != null && targetGuild != null)
			{
				if (fromGuild == targetGuild || fromGuild.IsAlly(targetGuild) || fromGuild.IsEnemy(targetGuild))
					return true; // Guild allies or enemies can be harmful
			}

            if (ViceVsVirtueSystem.Enabled && ViceVsVirtueSystem.EnhancedRules && ViceVsVirtueSystem.IsEnemy(from, damageable))
                return true;

			if (target is BaseCreature)
			{
				if (((BaseCreature)target).Controlled)
					return false; // Cannot harm other controlled mobiles

				if (((BaseCreature)target).Summoned && from != ((BaseCreature)target).SummonMaster)
					return false; // Cannot harm other controlled mobiles
			}

			if (target.Player)
				return false; // Cannot harm other players

			if (!(target is BaseCreature && ((BaseCreature)target).InitialInnocent))
			{
				if (Notoriety.Compute(from, target) == Notoriety.Innocent)
					return false; // Cannot harm innocent mobiles
			}

			return true;
		}

		public static Guild GetGuildFor(Guild def, Mobile m)
		{
			var g = def;

			var c = m as BaseCreature;

			if (c != null && c.Controlled && c.ControlMaster != null && !c.ForceNotoriety)
			{
				c.DisplayGuildTitle = false;

				if (c.Map != null && c.Map != Map.Internal)
				{
					if (Core.AOS || Guild.NewGuildSystem || c.ControlOrder == OrderType.Attack || c.ControlOrder == OrderType.Guard)
						g = (Guild)(c.Guild = c.ControlMaster.Guild);
					else if (c.Map == null || c.Map == Map.Internal || c.ControlMaster.Guild == null)
						g = (Guild)(c.Guild = null);
				}
				else
				{
					if (c.Map == null || c.Map == Map.Internal || c.ControlMaster.Guild == null)
						g = (Guild)(c.Guild = null);
				}
			}

			return g;
		}

		public static int CorpseNotoriety(Mobile source, Corpse target)
		{
			if (target.AccessLevel > AccessLevel.VIP)
				return Notoriety.CanBeAttacked;

			Body body = target.Amount;

			var cretOwner = target.Owner as BaseCreature;

			if (cretOwner != null)
			{
				var sourceGuild = GetGuildFor(source.Guild as Guild, source);
				var targetGuild = GetGuildFor(target.Guild, target.Owner);

				if (sourceGuild != null && targetGuild != null)
				{
					if (sourceGuild == targetGuild)
						return Notoriety.Ally;

					if (sourceGuild.IsAlly(targetGuild))
						return Notoriety.Ally;

					if (sourceGuild.IsEnemy(targetGuild))
						return Notoriety.Enemy;
				}

				if (Settings.Enabled)
				{
					var srcFaction = Faction.Find(source, true, true);
					var trgFaction = Faction.Find(cretOwner, true, true);

					if (srcFaction != null && trgFaction != null && srcFaction != trgFaction && source.Map == Faction.Facet)
						return Notoriety.Enemy;
				}

				if (ViceVsVirtueSystem.Enabled && ViceVsVirtueSystem.IsEnemy(source, cretOwner) && (ViceVsVirtueSystem.EnhancedRules || source.Map == Faction.Facet))
					return Notoriety.Enemy;

				if (CheckHouseFlag(source, cretOwner, target.Location, target.Map))
					return Notoriety.CanBeAttacked;

				var actual = Notoriety.CanBeAttacked;

				if (target.Murderer)
					actual = Notoriety.Murderer;
				else if (body.IsMonster && IsSummoned(cretOwner))
					actual = Notoriety.Murderer;
				else if (cretOwner.AlwaysMurderer || cretOwner.IsAnimatedDead)
					actual = Notoriety.Murderer;

				if (DateTime.UtcNow >= (target.TimeOfDeath + Corpse.MonsterLootRightSacrifice))
					return actual;

				var sourceParty = Party.Get(source);

				foreach (var m in target.Aggressors)
				{
					if (m == source || (sourceParty != null && Party.Get(m) == sourceParty) || (sourceGuild != null && m.Guild == sourceGuild))
						return actual;
				}

				return Notoriety.Innocent;
			}
			else
			{
				if (target.Murderer)
					return Notoriety.Murderer;

				if (target.Criminal && target.Map != null && ((target.Map.Rules & MapRules.HarmfulRestrictions) == 0))
					return Notoriety.Criminal;

				var sourceGuild = GetGuildFor(source.Guild as Guild, source);
				var targetGuild = GetGuildFor(target.Guild, target.Owner);

				if (sourceGuild != null && targetGuild != null)
				{
					if (sourceGuild == targetGuild || sourceGuild.IsAlly(targetGuild))
						return Notoriety.Ally;

					if (sourceGuild.IsEnemy(targetGuild))
						return Notoriety.Enemy;
				}

				var srcFaction = Faction.Find(source, true, true);
				var trgFaction = Faction.Find(target.Owner, true, true);

				if (srcFaction != null && trgFaction != null && srcFaction != trgFaction && source.Map == Faction.Facet)
				{
					foreach (var m in target.Aggressors)
					{
						if (m == source || m is BaseFactionGuard)
							return Notoriety.Enemy;
					}
				}

				if (CheckHouseFlag(source, target.Owner, target.Location, target.Map))
					return Notoriety.CanBeAttacked;

				if (!(target.Owner is PlayerMobile) && !IsPet(target.Owner as BaseCreature))
					return Notoriety.CanBeAttacked;

				var list = target.Aggressors;

				foreach (var m in list)
				{
					if (m == source)
						return Notoriety.CanBeAttacked;
				}

				return Notoriety.Innocent;
			}
		}

		public static int MobileNotoriety(Mobile source, IDamageable damageable)
		{
			if (damageable is PublicMoongate)
			{
				return Notoriety.Innocent;
			}

			var target = damageable as Mobile;

			if (target == null)
				return Notoriety.CanBeAttacked;

			if (Core.AOS)
			{
				if (target.Blessed)
					return Notoriety.Invulnerable;

				if (target is BaseVendor && ((BaseVendor)target).IsInvulnerable)
					return Notoriety.Invulnerable;

				if (target is PlayerVendor || target is TownCrier)
					return Notoriety.Invulnerable;
			}

			var context = EnemyOfOneSpell.GetContext(source);

			if (context != null && context.IsEnemy(target))
				return Notoriety.Enemy;

			if (PVPArenaSystem.IsEnemy(source, target))
				return Notoriety.Enemy;

			if (PVPArenaSystem.IsFriendly(source, target))
				return Notoriety.Ally;

			if (target.IsStaff())
				return Notoriety.CanBeAttacked;

			if (source.Player && target is BaseCreature)
			{
				var bc = (BaseCreature)target;

				var master = bc.GetMaster();

				if (master != null && master.IsStaff())
					return Notoriety.CanBeAttacked;

				master = bc.ControlMaster;

				if (Core.ML && master != null && !bc.ForceNotoriety)
				{
					if (source == master && CheckAggressor(target.Aggressors, source))
						return Notoriety.CanBeAttacked;

					if (CheckAggressor(source.Aggressors, bc))
						return Notoriety.CanBeAttacked;

					return MobileNotoriety(source, master);
				}
			}

			if (target.Murderer)
				return Notoriety.Murderer;

			if (target.Body.IsMonster && IsSummoned(target as BaseCreature))
			{
				if (!(target is BaseFamiliar) && !(target is ArcaneFey) && !(target is Golem))
					return Notoriety.Murderer;
			}

			if (target is BaseCreature)
			{
				if (((BaseCreature)target).AlwaysMurderer || ((BaseCreature)target).IsAnimatedDead)
					return Notoriety.Murderer;
			}

			if (source.Player && target is BaseEscort)
				return Notoriety.Innocent;

			if (target.Criminal)
				return Notoriety.Criminal;

			var sourceGuild = GetGuildFor(source.Guild as Guild, source);
			var targetGuild = GetGuildFor(target.Guild as Guild, target);

			if (sourceGuild != null && targetGuild != null)
			{
				if (sourceGuild == targetGuild)
					return Notoriety.Ally;

				if (sourceGuild.IsAlly(targetGuild))
					return Notoriety.Ally;

				if (sourceGuild.IsEnemy(targetGuild))
					return Notoriety.Enemy;
			}

			if (Settings.Enabled)
			{
				var srcFaction = Faction.Find(source, true, true);
				var trgFaction = Faction.Find(target, true, true);

				if (srcFaction != null && trgFaction != null && srcFaction != trgFaction && source.Map == Faction.Facet)
					return Notoriety.Enemy;
			}

			if (ViceVsVirtueSystem.Enabled && ViceVsVirtueSystem.IsEnemy(source, target) && (ViceVsVirtueSystem.EnhancedRules || source.Map == Faction.Facet))
				return Notoriety.Enemy;

			if (Stealing.ClassicMode && target is PlayerMobile && ((PlayerMobile)target).PermaFlags.Contains(source))
				return Notoriety.CanBeAttacked;

			if (target is BaseCreature && ((BaseCreature)target).AlwaysAttackable)
				return Notoriety.CanBeAttacked;

			if (CheckHouseFlag(source, target, target.Location, target.Map))
				return Notoriety.CanBeAttacked;

			//If Target is NOT A baseCreature, OR it's a BC and the BC is initial innocent...
			if (!(target is BaseCreature && ((BaseCreature)target).InitialInnocent))
			{
				if (!target.Body.IsHuman && !target.Body.IsGhost && !IsPet(target as BaseCreature) && !(target is PlayerMobile))
					return Notoriety.CanBeAttacked;

				if (!Core.ML && !target.CanBeginAction(typeof(PolymorphSpell)))
					return Notoriety.CanBeAttacked;
			}

			if (CheckAggressor(source.Aggressors, target))
				return Notoriety.CanBeAttacked;

			if(source is PlayerMobile && CheckPetAggressor((PlayerMobile)source, target))
				return Notoriety.CanBeAttacked;

			if (CheckAggressed(source.Aggressed, target))
				return Notoriety.CanBeAttacked;

			if(source is PlayerMobile && CheckPetAggressed((PlayerMobile)source, target))
				return Notoriety.CanBeAttacked;

			if (target is BaseCreature)
			{
				var bc = (BaseCreature)target;

				if (bc.Controlled && bc.ControlOrder == OrderType.Guard && bc.ControlTarget == source)
					return Notoriety.CanBeAttacked;
			}

			if (source is BaseCreature)
			{
				var bc = (BaseCreature)source;
				var master = bc.GetMaster();

				if (master != null)
				{
					if (CheckAggressor(master.Aggressors, target))
					{
						return Notoriety.CanBeAttacked;
					}

					if (MobileNotoriety(master, target) == Notoriety.CanBeAttacked)
					{
						return Notoriety.CanBeAttacked;
					}

					if (target is BaseCreature)
					{
						return Notoriety.CanBeAttacked;
					}
				}
			}

			return Notoriety.Innocent;
		}

		public static bool CheckHouseFlag(Mobile from, Mobile m, Point3D p, Map map)
		{
			var house = BaseHouse.FindHouseAt(p, map, 16);

			if (house == null || house.Public || !house.IsFriend(from))
				return false;

			if (m != null && house.IsFriend(m))
				return false;

			var c = m as BaseCreature;

			if (c != null && !c.Deleted && c.Controlled && c.ControlMaster != null)
				return !house.IsFriend(c.ControlMaster);

			return true;
		}

		public static bool IsPet(BaseCreature c)
		{
			return (c != null && c.Controlled);
		}

		public static bool IsSummoned(BaseCreature c)
		{
			return (c != null && /*c.Controlled &&*/ c.Summoned);
		}

		public static bool CheckAggressor(List<AggressorInfo> list, Mobile target)
		{
			foreach (var o in list)
			{
				if (o.Attacker == target)
					return true;
			}

			return false;
		}

		public static bool CheckAggressed(List<AggressorInfo> list, Mobile target)
		{
			foreach (var info in list)
			{
				if (!info.CriminalAggression && info.Defender == target)
					return true;
			}

			return false;
		}

		public static bool CheckPetAggressor(PlayerMobile source, Mobile target)
		{
			foreach (var bc in source.AllFollowers)
			{
				if (CheckAggressor(bc.Aggressors, target))
					return true;
			}

			return false;
		}

		public static bool CheckPetAggressed(PlayerMobile source, Mobile target)
		{
			foreach (var bc in source.AllFollowers)
			{
				if (CheckAggressed(bc.Aggressed, target))
					return true;
			}

			return false;
		}
	}
}