using System;
using System.Collections.Generic;
using Server.Multis;
using Server.Network;
using Server.ContextMenus;

namespace Server.Items
{
	public class Aquarium : BaseAddonContainer
	{
		public static readonly TimeSpan EvaluationInterval = TimeSpan.FromDays( 1 );

		// items info
		private int m_LiveCreatures;

		[CommandProperty( AccessLevel.GameMaster )]
		public int LiveCreatures => m_LiveCreatures;

		[CommandProperty( AccessLevel.GameMaster )]
		public int DeadCreatures
		{
			get
			{
				int dead = 0;

				for ( int i = 0; i < Items.Count; i ++ )
				{
					if ( Items[ i ] is BaseFish )
					{
						BaseFish fish = (BaseFish) Items[ i ];

						if ( fish.Dead )
							dead += 1;
					}
				}

				return dead;
			}
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public int MaxLiveCreatures
		{
			get
			{
				int state = ( m_Food.State == (int) FoodState.Overfed ) ? 1 : (int) FoodState.Full - m_Food.State;

				state += (int) WaterState.Strong - m_Water.State;

				state = (int) Math.Pow( state, 1.75 );

				return MaxItems - state;
			}
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public bool IsFull => ( Items.Count >= MaxItems );

		// vacation info
		private int m_VacationLeft;

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

		// aquarium state
		private AquariumState m_Food;
		private AquariumState m_Water;

		[CommandProperty( AccessLevel.GameMaster )]
		public AquariumState Food
		{
			get => m_Food;
			set{ m_Food = value; InvalidateProperties(); }
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public AquariumState Water
		{
			get => m_Water;
			set{ m_Water = value; InvalidateProperties(); }
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public bool OptimalState => ( m_Food.State == (int) FoodState.Full && m_Water.State == (int) WaterState.Strong );

		// events
		private List<int> m_Events;
		private bool m_RewardAvailable;
		private bool m_EvaluateDay;

		public List<int> Events => m_Events;

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

		// evaluate timer
		private Timer m_Timer;

		public override BaseAddonContainerDeed Deed
		{
			get
			{
				if ( ItemID == 0x3062 )
					return new AquariumEastDeed();
				else
					return new AquariumNorthDeed();
			}
		}

		public override double DefaultWeight => 10.0;

		public Aquarium( int itemID ) : base( itemID )
		{
			Movable = false;

			if ( itemID == 0x3060 )
				AddComponent( new AddonContainerComponent( 0x3061 ), -1, 0, 0 );

			if ( itemID == 0x3062 )
				AddComponent( new AddonContainerComponent( 0x3063 ), 0, -1, 0 );

			MaxItems = 30;

			m_Food = new AquariumState();
			m_Water = new AquariumState();

			m_Food.State = (int) FoodState.Full;
			m_Water.State = (int) WaterState.Strong;

			m_Food.Maintain = Utility.RandomMinMax( 1, 2 );
			m_Food.Improve = m_Food.Maintain + Utility.RandomMinMax( 1, 2 );

			m_Water.Maintain = Utility.RandomMinMax( 1, 3 );

			m_Events = new List<int>();

			m_Timer = Timer.DelayCall( EvaluationInterval, EvaluationInterval, new TimerCallback( Evaluate ) );
		}

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

		public override void OnDelete()
		{
			if ( m_Timer != null )
			{
				m_Timer.Stop();
				m_Timer = null;
			}
		}

		public override void OnDoubleClick( Mobile from )
		{
			ExamineAquarium( from );
		}

		public virtual bool HasAccess( Mobile from )
		{
			if ( from == null || from.Deleted )
				return false;
			else if ( from.AccessLevel >= AccessLevel.GameMaster )
				return true;

			BaseHouse house = BaseHouse.FindHouseAt( this );

			return ( house != null && house.IsCoOwner( from ) );
		}

		public override bool OnDragDrop( Mobile from, Item dropped )
		{
			if ( !HasAccess( from ) )
			{
				from.SendLocalizedMessage( 1073821 ); // You do not have access to that item for use with the aquarium.
				return false;
			}

			if ( m_VacationLeft > 0 )
			{
				from.SendLocalizedMessage( 1074427 ); // The aquarium is in vacation mode.
				return false;
			}

			bool takeItem = true;

			if ( dropped is FishBowl bowl )
			{
				if ( bowl.Empty || !AddFish( from, bowl.Fish ) )
					return false;

				bowl.InvalidateProperties();

				takeItem = false;
			}
			else if ( dropped is BaseFish fish )
			{
				if ( !AddFish( from, fish ) )
					return false;
			}
			else if ( dropped is VacationWafer )
			{
				m_VacationLeft = VacationWafer.VacationDays;
				dropped.Delete();

				from.SendLocalizedMessage( 1074428, m_VacationLeft.ToString() ); // The aquarium will be in vacation mode for ~1_DAYS~ days
			}
			else if ( dropped is AquariumFood )
			{
				m_Food.Added += 1;
				dropped.Delete();

				from.SendLocalizedMessage( 1074259, "1" ); // ~1_NUM~ unit(s) of food have been added to the aquarium.
			}
			else if ( dropped is BaseBeverage beverage )
			{
				if ( beverage.IsEmpty || !beverage.Pourable || beverage.Content != BeverageType.Water )
				{
					from.SendLocalizedMessage( 500840 ); // Can't pour that in there.
					return false;
				}

				m_Water.Added += 1;
				beverage.Quantity -= 1;

				from.PlaySound( 0x4E );
				from.SendLocalizedMessage( 1074260, "1" ); // ~1_NUM~ unit(s) of water have been added to the aquarium.

				takeItem = false;
			}
			else if ( !AddDecoration( from, dropped ) )
			{
				takeItem = false;
			}

			from.CloseGump( typeof( AquariumGump ) );

			InvalidateProperties();

			if ( takeItem )
				from.PlaySound( 0x42 );

			return takeItem;
		}

		public override void DropItemsToGround()
		{
			Point3D loc = GetWorldLocation();

			for ( int i = Items.Count - 1; i >= 0; i-- )
			{
				Item item = Items[ i ];

				item.MoveToWorld( loc, Map );

				if ( item is BaseFish fish && !fish.Dead )
					fish.StartTimer();
			}
		}

		public override bool CheckItemUse( Mobile from, Item item )
		{
			if ( item != this )
				return false;

			return base.CheckItemUse( from, item );
		}

		public override bool CheckLift( Mobile from, Item item, ref LRReason reject )
		{
			if ( item != this )
			{
				reject = LRReason.CannotLift;
				return false;
			}

			return base.CheckLift( from, item, ref reject );
		}

		public override void OnSingleClick( Mobile from )
		{
			if ( Deleted || !from.CanSee( this ) )
				return;

			base.OnSingleClick( from );

			if ( m_VacationLeft > 0 )
				LabelTo( from, 1074430, m_VacationLeft.ToString() ); // Vacation days left: ~1_DAYS

			if ( m_Events.Count > 0 )
				LabelTo( from, 1074426, m_Events.Count.ToString() ); // ~1_NUM~ event(s) to view!

			if ( m_RewardAvailable )
				LabelTo( from, 1074362 ); // A reward is available!

			LabelTo( from, 1074247, $"{m_LiveCreatures}\t{MaxLiveCreatures}"); // Live Creatures: ~1_NUM~ / ~2_MAX~

			if ( DeadCreatures > 0 )
				LabelTo( from, 1074248, DeadCreatures.ToString() ); // Dead Creatures: ~1_NUM~

			int decorations = Items.Count - m_LiveCreatures - DeadCreatures;

			if ( decorations > 0 )
				LabelTo( from, 1074249, (Items.Count - m_LiveCreatures - DeadCreatures).ToString() ); // Decorations: ~1_NUM~

			LabelTo( from, 1074250, "#" + FoodNumber() ); // Food state: ~1_STATE~
			LabelTo( from, 1074251, "#" + WaterNumber() ); // Water state: ~1_STATE~

			if ( m_Food.State == (int) FoodState.Dead )
				LabelTo( from, 1074577, $"{m_Food.Added}\t{m_Food.Improve}"); // Food Added: ~1_CUR~ Needed: ~2_NEED~
			else if ( m_Food.State == (int) FoodState.Overfed )
				LabelTo( from, 1074577, $"{m_Food.Added}\t{m_Food.Maintain}"); // Food Added: ~1_CUR~ Needed: ~2_NEED~
			else
				LabelTo( from, 1074253, $"{m_Food.Added}\t{m_Food.Maintain}\t{m_Food.Improve}"); // Food Added: ~1_CUR~ Feed: ~2_NEED~ Improve: ~3_GROW~

			if ( m_Water.State == (int) WaterState.Dead )
				LabelTo( from, 1074578, $"{m_Water.Added}\t{m_Water.Improve}"); // Water Added: ~1_CUR~ Needed: ~2_NEED~
			else if ( m_Water.State == (int) WaterState.Strong )
				LabelTo( from, 1074578, $"{m_Water.Added}\t{m_Water.Maintain}"); // Water Added: ~1_CUR~ Needed: ~2_NEED~
			else
				LabelTo( from, 1074254, $"{m_Water.Added}\t{m_Water.Maintain}\t{m_Water.Improve}"); // Water Added: ~1_CUR~ Maintain: ~2_NEED~ Improve: ~3_GROW~
		}

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

			if ( m_VacationLeft > 0 )
				list.Add( 1074430, m_VacationLeft.ToString() ); // Vacation days left: ~1_DAYS

			if ( m_Events.Count > 0 )
				list.Add( 1074426, m_Events.Count.ToString() ); // ~1_NUM~ event(s) to view!

			if ( m_RewardAvailable )
				list.Add( 1074362 ); // A reward is available!

			list.Add( 1074247, "{0}\t{1}", m_LiveCreatures, MaxLiveCreatures ); // Live Creatures: ~1_NUM~ / ~2_MAX~

			int dead = DeadCreatures;

			if ( dead > 0 )
				list.Add( 1074248, dead.ToString() ); // Dead Creatures: ~1_NUM~

			int decorations = Items.Count - m_LiveCreatures - dead;

			if ( decorations > 0 )
				list.Add( 1074249, decorations.ToString() ); // Decorations: ~1_NUM~

			list.Add( 1074250, "#{0}", FoodNumber() ); // Food state: ~1_STATE~
			list.Add( 1074251, "#{0}", WaterNumber() ); // Water state: ~1_STATE~

			if ( m_Food.State == (int) FoodState.Dead )
				list.Add( 1074577, "{0}\t{1}", m_Food.Added, m_Food.Improve ); // Food Added: ~1_CUR~ Needed: ~2_NEED~
			else if ( m_Food.State == (int) FoodState.Overfed )
				list.Add( 1074577, "{0}\t{1}", m_Food.Added, m_Food.Maintain ); // Food Added: ~1_CUR~ Needed: ~2_NEED~
			else
				list.Add( 1074253, "{0}\t{1}\t{2}", m_Food.Added, m_Food.Maintain, m_Food.Improve ); // Food Added: ~1_CUR~ Feed: ~2_NEED~ Improve: ~3_GROW~

			if ( m_Water.State == (int) WaterState.Dead )
				list.Add( 1074578, "{0}\t{1}", m_Water.Added, m_Water.Improve ); // Water Added: ~1_CUR~ Needed: ~2_NEED~
			else if ( m_Water.State == (int) WaterState.Strong )
				list.Add( 1074578, "{0}\t{1}", m_Water.Added, m_Water.Maintain ); // Water Added: ~1_CUR~ Needed: ~2_NEED~
			else
				list.Add( 1074254, "{0}\t{1}\t{2}", m_Water.Added, m_Water.Maintain, m_Water.Improve ); // Water Added: ~1_CUR~ Maintain: ~2_NEED~ Improve: ~3_GROW~
		}

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

			if ( from.Alive )
			{
				list.Add( new ExamineEntry( this ) );

				if ( HasAccess( from ) )
				{
					if ( m_RewardAvailable )
						list.Add( new CollectRewardEntry( this ) );

					if ( m_Events.Count > 0 )
						list.Add( new ViewEventEntry( this ) );

					if ( m_VacationLeft > 0 )
						list.Add( new CancelVacationMode( this ) );
				}
			}

			if ( from.AccessLevel >= AccessLevel.GameMaster )
			{
				list.Add( new GMAddFood( this ) );
				list.Add( new GMAddWater( this ) );
				list.Add( new GMForceEvaluate( this ) );
				list.Add( new GMOpen( this ) );
				list.Add( new GMFill( this ) );
			}
		}

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

			writer.Write( 3 ); // Version

			// version 1
			if ( m_Timer != null )
				writer.Write( m_Timer.Next );
			else
				writer.Write( DateTime.UtcNow + EvaluationInterval );

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

			m_Food.Serialize( writer );
			m_Water.Serialize( writer );

			writer.Write( (int) m_Events.Count );

			for ( int i = 0; i < m_Events.Count; i ++ )
				writer.Write( (int) m_Events[ i ] );

			writer.Write( (bool) m_RewardAvailable );
		}

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

			int version = reader.ReadInt();

			switch ( version )
			{
				case 3:
				case 2:
				case 1:
				{
					DateTime next = reader.ReadDateTime();

					if ( next < DateTime.UtcNow )
						next = DateTime.UtcNow;

					m_Timer = Timer.DelayCall( next - DateTime.UtcNow, EvaluationInterval, new TimerCallback( Evaluate ) );

					goto case 0;
				}
				case 0:
				{
					m_LiveCreatures = reader.ReadInt();
					m_VacationLeft = reader.ReadInt();

					m_Food = new AquariumState();
					m_Water = new AquariumState();

					m_Food.Deserialize( reader );
					m_Water.Deserialize( reader );

					m_Events = new List<int>();

					int count = reader.ReadInt();

					for ( int i = 0; i < count; i ++ )
						m_Events.Add( reader.ReadInt() );

					m_RewardAvailable = reader.ReadBool();

					break;
				}
			}

			if ( version < 2 )
			{
				Weight = DefaultWeight;
				Movable = false;
			}

			if ( version < 3 )
				ValidationQueue<Aquarium>.Add( this );
		}

		private void RecountLiveCreatures()
		{
			m_LiveCreatures = 0;
			List<BaseFish> fish = FindItemsByType<BaseFish>();

			foreach ( BaseFish f in fish )
			{
				if ( !f.Dead )
					++m_LiveCreatures;
			}
		}

		public void Validate()
		{
			RecountLiveCreatures();
		}

		#region Members
		public int FoodNumber()
		{
			if ( m_Food.State == (int) FoodState.Full )
				return 1074240;

			if ( m_Food.State == (int) FoodState.Overfed )
				return 1074239;

			return 1074236 + m_Food.State;
		}

		public int WaterNumber()
		{
			return 1074242 + m_Water.State;
		}
		#endregion

		#region Virtual members
		public virtual void KillFish( int amount )
		{
			List<BaseFish> toKill = new List<BaseFish>();

			for ( int i = 0; i < Items.Count; i ++ )
			{
				if ( Items[ i ] is BaseFish )
				{
					BaseFish fish = (BaseFish) Items[ i ];

					if ( !fish.Dead )
						toKill.Add( fish );
				}
			}

			while ( amount > 0 && toKill.Count > 0 )
			{
				int kill = Utility.Random( toKill.Count );

				toKill[ kill ].Kill();

				toKill.RemoveAt( kill );

				amount -= 1;
				m_LiveCreatures -= 1;

				if ( m_LiveCreatures < 0 )
					m_LiveCreatures = 0;

				m_Events.Add( 1074366 ); // An unfortunate accident has left a creature floating upside-down.  It is starting to smell.
			}
		}

		public virtual void Evaluate()
		{
			if ( m_VacationLeft > 0 )
			{
				m_VacationLeft -= 1;
			}
			else if ( m_EvaluateDay )
			{
				// reset events
				m_Events = new List<int>();

				// food events
				if  (
					( m_Food.Added < m_Food.Maintain && m_Food.State != (int) FoodState.Overfed && m_Food.State != (int) FoodState.Dead ) ||
					( m_Food.Added >= m_Food.Improve && m_Food.State == (int) FoodState.Full )
					)
					m_Events.Add( 1074368 ); // The tank looks worse than it did yesterday.

				if  (
					( m_Food.Added >= m_Food.Improve && m_Food.State != (int) FoodState.Full && m_Food.State != (int) FoodState.Overfed ) ||
					( m_Food.Added < m_Food.Maintain && m_Food.State == (int) FoodState.Overfed )
					)
					m_Events.Add( 1074367 ); // The tank looks healthier today.

				// water events
				if ( m_Water.Added < m_Water.Maintain && m_Water.State != (int) WaterState.Dead )
					m_Events.Add( 1074370 ); // This tank can use more water.

				if ( m_Water.Added >= m_Water.Improve && m_Water.State != (int) WaterState.Strong )
					m_Events.Add( 1074369 ); // The water looks clearer today.

				UpdateFoodState();
				UpdateWaterState();

				// reward
				if ( m_LiveCreatures > 0 )
					m_RewardAvailable = true;
			}
			else
			{
				// new fish
				if ( OptimalState && m_LiveCreatures < MaxLiveCreatures )
				{
					if ( Utility.RandomDouble() < 0.005 * m_LiveCreatures )
					{
						BaseFish fish = null;
						int message = 0;

						switch ( Utility.Random( 6 ) )
						{
							case 0:
							{
								message = 1074371; // Brine shrimp have hatched overnight in the tank.
								fish = new BrineShrimp();
								break;
							}
							case 1:
							{
								message = 1074365; // A new creature has hatched overnight in the tank.
								fish = new Coral();
								break;
							}
							case 2:
							{
								message = 1074365; // A new creature has hatched overnight in the tank.
								fish = new FullMoonFish();
								break;
							}
							case 3:
							{
								message = 1074373; // A sea horse has hatched overnight in the tank.
								fish = new SeaHorseFish();
								break;
							}
							case 4:
							{
								message = 1074365; // A new creature has hatched overnight in the tank.
								fish = new StrippedFlakeFish();
								break;
							}
							case 5:
							{
								message = 1074365; // A new creature has hatched overnight in the tank.
								fish = new StrippedSosarianSwill();
								break;
							}
						}

						if ( Utility.RandomDouble() < 0.05 )
							fish.Hue = m_FishHues[ Utility.Random( m_FishHues.Length ) ];
						else if ( Utility.RandomDouble() < 0.5 )
							fish.Hue = Utility.RandomMinMax( 0x100, 0x3E5 );

						if ( AddFish( fish ) )
							m_Events.Add( message );
						else
							fish.Delete();
					}
				}

				// kill fish *grins*
				if ( m_LiveCreatures < MaxLiveCreatures )
				{
					if ( Utility.RandomDouble() < 0.01 )
						KillFish( 1 );
				}
				else
				{
					KillFish( m_LiveCreatures - MaxLiveCreatures );
				}
			}

			m_EvaluateDay = !m_EvaluateDay;
			InvalidateProperties();
		}

		public virtual void GiveReward( Mobile to )
		{
			if ( !m_RewardAvailable )
				return;

			int max = (int) ( ( (double) m_LiveCreatures / 30 ) * m_Decorations.Length );

			int random = ( max <= 0 ) ? 0 : Utility.Random( max );

			if ( random >= m_Decorations.Length )
				random = m_Decorations.Length - 1;

			Item item;

			try
			{
				item = Activator.CreateInstance( m_Decorations[ random ] ) as Item;
			}
			catch
			{
				return;
			}

			if ( item == null )
				return;

			if ( !to.PlaceInBackpack( item ) )
			{
				item.Delete();
				to.SendLocalizedMessage( 1074361 ); // The reward could not be given.  Make sure you have room in your pack.
				return;
			}

			to.SendLocalizedMessage( 1074360, $"#{item.LabelNumber}"); // You receive a reward: ~1_REWARD~
			to.PlaySound( 0x5A3 );

			m_RewardAvailable = false;

			InvalidateProperties();
		}

		public virtual void UpdateFoodState()
		{
			if ( m_Food.Added < m_Food.Maintain )
				m_Food.State = ( m_Food.State <= 0 ) ? 0 : m_Food.State - 1;
			else if ( m_Food.Added >= m_Food.Improve )
				m_Food.State = ( m_Food.State >= (int) FoodState.Overfed ) ? (int) FoodState.Overfed : m_Food.State + 1;

			m_Food.Maintain = Utility.Random( (int) FoodState.Overfed + 1 - m_Food.State, 2 );

			if ( m_Food.State == (int) FoodState.Overfed )
				m_Food.Improve = 0;
			else
				m_Food.Improve = m_Food.Maintain + 2;

			m_Food.Added = 0;
		}

		public virtual void UpdateWaterState()
		{
			if ( m_Water.Added < m_Water.Maintain )
				m_Water.State = ( m_Water.State <= 0 ) ? 0 : m_Water.State - 1;
			else if ( m_Water.Added >= m_Water.Improve )
				m_Water.State = ( m_Water.State >= (int) WaterState.Strong ) ? (int) WaterState.Strong : m_Water.State + 1;

			m_Water.Maintain = Utility.Random( (int) WaterState.Strong + 2 - m_Water.State, 2 );

			if ( m_Water.State == (int) WaterState.Strong )
				m_Water.Improve = 0;
			else
				m_Water.Improve = m_Water.Maintain + 2;

			m_Water.Added = 0;
		}

		public virtual bool RemoveItem( Mobile from, int at )
		{
			if ( at < 0 && at >= Items.Count )
				return false;

			Item item = Items[ at ];

			if ( item.IsLockedDown ) // for legacy aquariums
			{
				from.SendLocalizedMessage( 1010449 ); // You may not use this object while it is locked down.
				return false;
			}

			if ( item is BaseFish fish )
			{
				FishBowl bowl;

				if ( (bowl = GetEmptyBowl( from )) != null )
				{
					bowl.AddItem( fish );

					from.SendLocalizedMessage( 1074511 ); // You put the creature into a fish bowl.
				}
				else
				{
					if ( !from.PlaceInBackpack( fish ) )
					{
						from.SendLocalizedMessage( 1074514 ); // You have no place to put it.
						return false;
					}

					from.SendLocalizedMessage( 1074512 ); // You put the gasping creature into your pack.
				}

				if ( !fish.Dead )
					m_LiveCreatures -= 1;
			}
			else
			{
				if ( !from.PlaceInBackpack( item ) )
				{
					from.SendLocalizedMessage( 1074514 ); // You have no place to put it.
					return false;
				}

				from.SendLocalizedMessage( 1074513 ); // You put the item into your pack.
			}

			InvalidateProperties();
			return true;
		}

		public virtual void ExamineAquarium( Mobile from )
		{
			if ( !from.InRange( GetWorldLocation(), 2 ) )
			{
				from.LocalOverheadMessage( MessageType.Regular, 0x3B2, 1019045 ); // I can't reach that.
				return;
			}

			from.CloseGump( typeof( AquariumGump ) );
			from.SendGump( new AquariumGump( this, HasAccess( from ) ) );

			from.PlaySound( 0x5A4 );
		}

		public virtual bool AddFish( BaseFish fish )
		{
			return AddFish( null, fish );
		}

		public virtual bool AddFish( Mobile from, BaseFish fish )
		{
			if ( fish == null )
				return false;

			if ( IsFull || m_LiveCreatures >= MaxLiveCreatures || fish.Dead )
			{
				if ( from != null )
					from.SendLocalizedMessage( 1073633 ); // The aquarium can not hold the creature.

				return false;
			}

			AddItem( fish );
			fish.StopTimer();

			m_LiveCreatures += 1;

			if ( from != null )
				from.SendLocalizedMessage( 1073632, $"#{fish.LabelNumber}"); // You add the following creature to your aquarium: ~1_FISH~

			InvalidateProperties();
			return true;
		}

		public virtual bool AddDecoration( Item item )
		{
			return AddDecoration( null, item );
		}

		public virtual bool AddDecoration( Mobile from, Item item )
		{
			if ( item == null )
				return false;

			if ( IsFull )
			{
				from?.SendLocalizedMessage( 1073636 ); // The decoration will not fit in the aquarium.

				return false;
			}

			if ( !Accepts( item ) )
			{
				from?.SendLocalizedMessage( 1073822 ); // The aquarium can not hold that item.

				return false;
			}

			AddItem( item );

			from?.SendLocalizedMessage( 1073635, ( item.LabelNumber != 0 ) ? $"#{item.LabelNumber}" : item.Name ); // You add the following decoration to your aquarium: ~1_NAME~

			InvalidateProperties();
			return true;
		}
		#endregion

		#region Static members
		public static FishBowl GetEmptyBowl( Mobile from )
		{
			if ( @from?.Backpack == null )
				return null;

			Item[] items = from.Backpack.FindItemsByType( typeof( FishBowl ) );

			for ( int i = 0; i < items.Length; i ++ )
			{
				if ( items[ i ] is FishBowl )
				{
					FishBowl bowl = (FishBowl) items[ i ];

					if ( bowl.Empty )
						return bowl;
				}
			}

			return null;
		}

		private static Type[] m_Decorations = {
			typeof( FishBones ),
			typeof( WaterloggedBoots ),
			typeof( CaptainBlackheartsFishingPole ),
			typeof( CraftysFishingHat ),
			typeof( AquariumFishNet ),
			typeof( AquariumMessage ),
			typeof( IslandStatue ),
			typeof( Shell ),
			typeof( ToyBoat )
		};

		public static bool Accepts( Item item )
		{
			if ( item == null )
				return false;

			Type type = item.GetType();

			for ( int i = 0; i < m_Decorations.Length; i ++ )
			{
				if ( type == m_Decorations[ i ] )
					return true;
			}

			return false;
		}

		private static int[] m_FishHues = {
			0x1C2, 0x1C3, 0x2A3, 0x47E, 0x51D
		};

		public static int[] FishHues => m_FishHues;

		#endregion

		#region Context entries
		private class ExamineEntry : ContextMenuEntry
		{
			private Aquarium m_Aquarium;

			public ExamineEntry( Aquarium aquarium ) : base( 6235, 2 ) // Examine Aquarium
			{
				m_Aquarium = aquarium;
			}

			public override void OnClick()
			{
				if ( m_Aquarium.Deleted )
					return;

				m_Aquarium.ExamineAquarium( Owner.From );
			}
		}

		private class CollectRewardEntry : ContextMenuEntry
		{
			private Aquarium m_Aquarium;

			public CollectRewardEntry( Aquarium aquarium ) : base( 6237, 2 ) // Collect Reward
			{
				m_Aquarium = aquarium;
			}

			public override void OnClick()
			{
				if ( m_Aquarium.Deleted || !m_Aquarium.HasAccess( Owner.From ) )
					return;

				m_Aquarium.GiveReward( Owner.From );
			}
		}

		private class ViewEventEntry : ContextMenuEntry
		{
			private Aquarium m_Aquarium;

			public ViewEventEntry( Aquarium aquarium ) : base( 6239, 2 ) // View events
			{
				m_Aquarium = aquarium;
			}

			public override void OnClick()
			{
				if ( m_Aquarium.Deleted || !m_Aquarium.HasAccess( Owner.From ) || m_Aquarium.Events.Count == 0 )
					return;

				Owner.From.SendLocalizedMessage( m_Aquarium.Events[ 0 ] );

				if ( m_Aquarium.Events[ 0 ] == 1074366 )
					Owner.From.PlaySound( 0x5A2 );

				m_Aquarium.Events.RemoveAt( 0 );
				m_Aquarium.InvalidateProperties();
			}
		}

		private class CancelVacationMode : ContextMenuEntry
		{
			private Aquarium m_Aquarium;

			public CancelVacationMode( Aquarium aquarium ) : base( 6240, 2 ) // Cancel vacation mode
			{
				m_Aquarium = aquarium;
			}

			public override void OnClick()
			{
				if ( m_Aquarium.Deleted || !m_Aquarium.HasAccess( Owner.From ) )
					return;

				Owner.From.SendLocalizedMessage( 1074429 ); // Vacation mode has been cancelled.
				m_Aquarium.VacationLeft = 0;
				m_Aquarium.InvalidateProperties();
			}
		}

		// GM context entries
		private class GMAddFood : ContextMenuEntry
		{
			private Aquarium m_Aquarium;

			public GMAddFood( Aquarium aquarium ) : base( 6231, -1 ) // GM Add Food
			{
				m_Aquarium = aquarium;
			}

			public override void OnClick()
			{
				if ( m_Aquarium.Deleted )
					return;

				m_Aquarium.Food.Added += 1;
				m_Aquarium.InvalidateProperties();
			}
		}

		private class GMAddWater : ContextMenuEntry
		{
			private Aquarium m_Aquarium;

			public GMAddWater( Aquarium aquarium ) : base( 6232, -1 ) // GM Add Water
			{
				m_Aquarium = aquarium;
			}

			public override void OnClick()
			{
				if ( m_Aquarium.Deleted )
					return;

				m_Aquarium.Water.Added += 1;
				m_Aquarium.InvalidateProperties();
			}
		}

		private class GMForceEvaluate : ContextMenuEntry
		{
			private Aquarium m_Aquarium;

			public GMForceEvaluate( Aquarium aquarium ) : base( 6233, -1 ) // GM Force Evaluate
			{
				m_Aquarium = aquarium;
			}

			public override void OnClick()
			{
				if ( m_Aquarium.Deleted )
					return;

				m_Aquarium.Evaluate();
			}
		}

		private class GMOpen : ContextMenuEntry
		{
			private Aquarium m_Aquarium;

			public GMOpen( Aquarium aquarium ) : base( 6234, -1 ) // GM Open Container
			{
				m_Aquarium = aquarium;
			}

			public override void OnClick()
			{
				if ( m_Aquarium.Deleted )
					return;

				Owner.From.SendGump( new AquariumGump( m_Aquarium, true ) );
			}
		}

		private class GMFill : ContextMenuEntry
		{
			private Aquarium m_Aquarium;

			public GMFill( Aquarium aquarium ) : base( 6236, -1 ) // GM Fill Food and Water
			{
				m_Aquarium = aquarium;
			}

			public override void OnClick()
			{
				if ( m_Aquarium.Deleted )
					return;

				m_Aquarium.Food.Added = m_Aquarium.Food.Maintain;
				m_Aquarium.Water.Added = m_Aquarium.Water.Maintain;
				m_Aquarium.InvalidateProperties();
			}
		}
		#endregion
	}

	public class AquariumEastDeed : BaseAddonContainerDeed
	{
		public override BaseAddonContainer Addon => new Aquarium( 0x3062 );
		public override int LabelNumber => 1074501; // Large Aquarium (east)

		[Constructible]
		public AquariumEastDeed()
		{
		}

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

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

			writer.Write( 0 ); // Version
		}

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

			int version = reader.ReadInt();
		}
	}

	public class AquariumNorthDeed : BaseAddonContainerDeed
	{
		public override BaseAddonContainer Addon => new Aquarium( 0x3060 );
		public override int LabelNumber => 1074497; // Large Aquarium (north)

		[Constructible]
		public AquariumNorthDeed()
		{
		}

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

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

			writer.Write( 0 ); // Version
		}

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

			int version = reader.ReadInt();
		}
	}
}