package com.planet_ink.coffee_mud.Abilities.Misc;
import com.planet_ink.coffee_mud.Abilities.StdAbility;
import com.planet_ink.coffee_mud.core.interfaces.*;
import com.planet_ink.coffee_mud.core.*;
import com.planet_ink.coffee_mud.core.collections.*;
import com.planet_ink.coffee_mud.Abilities.interfaces.*;
import com.planet_ink.coffee_mud.Areas.interfaces.*;
import com.planet_ink.coffee_mud.Behaviors.interfaces.*;
import com.planet_ink.coffee_mud.CharClasses.interfaces.*;
import com.planet_ink.coffee_mud.Commands.interfaces.*;
import com.planet_ink.coffee_mud.Common.interfaces.*;
import com.planet_ink.coffee_mud.Exits.interfaces.*;
import com.planet_ink.coffee_mud.Items.interfaces.*;
import com.planet_ink.coffee_mud.Libraries.interfaces.*;
import com.planet_ink.coffee_mud.Locales.interfaces.*;
import com.planet_ink.coffee_mud.MOBS.interfaces.*;
import com.planet_ink.coffee_mud.Races.interfaces.*;

import java.util.*;

/*
   Copyright 2003-2020 Bo Zimmerman

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

	   http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/
public class Sinking extends StdAbility
{
	@Override
	public String ID()
	{
		return "Sinking";
	}

	private final static String	localizedName	= CMLib.lang().L("Sinking");

	@Override
	public String name()
	{
		return localizedName;
	}

	@Override
	public String displayText()
	{
		return "";
	}

	@Override
	protected int canAffectCode()
	{
		return CAN_ITEMS | Ability.CAN_MOBS;
	}

	@Override
	protected int canTargetCode()
	{
		return 0;
	}

	protected boolean	isTreading		= false;
	public Room			room			= null;
	protected int		sinkTickDown	= 1;

	protected boolean reversed()
	{
		return proficiency() == 100;
	}

	protected boolean canSinkFrom(final Room fromHere, final int direction)
	{
		if((fromHere==null)||(direction<0)||(direction>=Directions.NUM_DIRECTIONS()))
			return false;

		final Room toHere=fromHere.getRoomInDir(direction);
		if((toHere==null)
		||(fromHere.getExitInDir(direction)==null)
		||(!fromHere.getExitInDir(direction).isOpen()))
			return false;
		if((!CMLib.flags().isWaterySurfaceRoom(toHere))&&(!CMLib.flags().isUnderWateryRoom(toHere)))
			return false;
		return true;
	}

	protected boolean stopSinking(final MOB mob)
	{
		unInvoke();
		mob.delEffect(this);
		return false;
	}

	@Override
	public void setMiscText(final String newMiscText)
	{
		super.setMiscText(newMiscText);
		if((newMiscText!=null) && (newMiscText.length()>0))
		{
			for(final String parm : CMParms.parse(newMiscText.toUpperCase()))
			{
				if(parm.equals("REVERSED"))
					this.setProficiency(100);
				else
				if(parm.equals("NORMAL"))
					this.setProficiency(0);
			}
		}
	}

	@Override
	public boolean okMessage(final Environmental myHost, final CMMsg msg)
	{
		if(!super.okMessage(myHost,msg))
			return false;
		if((affected!=null)&&(affected instanceof MOB)&&(msg.amISource((MOB)affected)))
		{
			if((msg.sourceMinor()==CMMsg.TYP_ENTER)
			&&(msg.target() instanceof Room)
			&&((((Room)msg.target()).domainType()==Room.DOMAIN_INDOORS_AIR)
			   ||(((Room)msg.target()).domainType()==Room.DOMAIN_OUTDOORS_AIR))
			&&(!CMLib.flags().isFlying(msg.source())))
			{
				msg.source().tell(L("You can't seem to get there from here."));
				return false;
			}
		}
		return true;
	}

	@Override
	public void executeMsg(final Environmental myHost, final CMMsg msg)
	{
		super.executeMsg(myHost,msg);
		final MOB mob=msg.source();
		if((affected!=null)
		&&(affected instanceof MOB)
		&&(msg.amISource((MOB)affected)))
		{
			if(msg.sourceMinor()==CMMsg.TYP_RECALL)
				stopSinking(mob);
			else
			if((msg.tool() instanceof Ability)
			&&(CMath.bset(((Ability)msg.tool()).flags(),Ability.FLAG_TRANSPORTING))
			&&(msg.sourceMinor()!=CMMsg.TYP_TEACH))
				stopSinking(mob);
		}
	}

	@Override
	public boolean tick(final Tickable ticking, final int tickID)
	{
		if(!super.tick(ticking,tickID))
			return false;

		if(tickID!=Tickable.TICKID_MOB)
			return true;

		if(affected==null)
			return false;

		if((--sinkTickDown)>0)
			return true;
		sinkTickDown=1;

		int direction=Directions.DOWN;
		String addStr=L("down");
		if(reversed())
		{
			direction=Directions.UP;
			addStr=L("upwards");
		}
		if(affected instanceof MOB)
		{
			final MOB mob=(MOB)affected;
			if(mob==null)
				return false;
			Room R=mob.location();
			if(R==null)
				return false;

			if(!CMLib.flags().isWaterySurfaceRoom(R)
			||(CMLib.flags().isWaterWorthy(mob))
			||(CMLib.flags().isInFlight(mob))
			||(mob.phyStats().weight()<1)
			||(!canSinkFrom(R,direction)))
				return stopSinking(mob);

			final Ability A=mob.fetchAbility("Skill_Swim");
			if(((direction==Directions.DOWN)&&(A!=null))
			&&(A.proficiencyCheck(mob,25,(A.proficiency()>=75))
			&&(mob.curState().getMovement()>0)))
			{
				if((R.show(mob,A,CMMsg.MSG_NOISYMOVEMENT,L("<S-NAME> tread(s) water.")))
				&&(!mob.isMonster()))
				{
					isTreading=true;
					CMLib.combat().expendEnergy(mob,true);
					mob.recoverPhyStats();
					return true;
				}
			}
			isTreading=false;
			mob.recoverPhyStats();
			mob.tell(L("\n\r\n\rYOU ARE SINKING @x1!!\n\r\n\r",addStr.toUpperCase()));
			if(mob.curState().getMovement()<=0)
				mob.curState().setMovement(1);
			CMLib.tracking().walk(mob,direction,false,false);
			R=mob.location();
			if((R!=null)&&(!canSinkFrom(R,direction)))
			{
				return stopSinking(mob);
			}
			return true;
		}
		else
		if(affected instanceof Item)
		{
			final Item item=(Item)affected;
			if((room==null)
			&&(item.owner()!=null)
			&&(item.owner() instanceof Room))
				room=(Room)item.owner();

			if((room==null)
			||((room!=null)&&(!room.isContent(item)))
			||((!CMLib.flags().isGettable(item)&&(!(item instanceof BoardableShip)))))
			{
				unInvoke();
				return false;
			}

			final Item ultContainerI=item.ultimateContainer(null);

			if(CMLib.flags().isInFlight(ultContainerI)
			||(CMLib.flags().isWaterWorthy(ultContainerI))
			||(item.container()!=null)
			||(item.phyStats().weight()<1))
			{
				unInvoke();
				return false;
			}
			if(room.numItems()>100)
			{
				sinkTickDown=CMLib.dice().roll(1,room.numItems()/50,0);
				if((--sinkTickDown)>0)
					return true;
			}
			final Room nextRoom=room.getRoomInDir(direction);
			if((nextRoom!=null)&&(canSinkFrom(room,direction)))
			{
				final MOB mob;
				if((item instanceof Rideable)&&(item instanceof BoardableShip))
				{
					mob = CMClass.getFactoryMOB(item.name(),item.phyStats().level(),room);
					if(item instanceof PrivateProperty)
					{
						if(((PrivateProperty)item).getOwnerObject() instanceof Clan)
							mob.setClan(((PrivateProperty)item).getOwnerObject().name(), ((Clan)((PrivateProperty)item).getOwnerObject()).getAutoPosition());
					}
					mob.setRiding((Rideable)item);
				}
				else
					mob = invoker;
				try
				{
					room.show(mob,null,item,CMMsg.MSG_OK_ACTION,L("<O-NAME> sinks @x1.",addStr));
					final ItemPossessor.Expire expire;
					if((item instanceof PrivateProperty)
					&&(((PrivateProperty)item).getOwnerName().length()>0))
						expire = ItemPossessor.Expire.Player_Drop;
					else
						expire = ItemPossessor.Expire.Monster_Body;
					nextRoom.moveItemTo(item,expire);
					room=nextRoom;
					nextRoom.show(mob,null,item,CMMsg.MSG_OK_ACTION,L("<O-NAME> sinks in from @x1.",(reversed()?L("below"):L("above"))));
					return true;
				}
				finally
				{
					if((mob != invoker)
					&&(mob.isMonster())
					&&(mob.Name().equals(item.name())))
						mob.destroy();
				}

			}
			if(reversed())
				return true;
			unInvoke();
			return false;
		}
		return false;
	}

	@Override
	public void affectPhyStats(final Physical affected, final PhyStats affectableStats)
	{
		super.affectPhyStats(affected,affectableStats);
		if((!CMLib.flags().isWaterWorthy(affected))
		&&(!CMLib.flags().isInFlight(affected))
		&&(!isTreading)
		&&(affected.phyStats().weight()>=1))
			affectableStats.setDisposition(affectableStats.disposition()|PhyStats.IS_FALLING);
	}

	@Override
	public void setAffectedOne(final Physical P)
	{
		if(P instanceof Room)
			room=(Room)P;
		else
			super.setAffectedOne(P);
	}

	@Override
	public boolean invoke(final MOB mob, final List<String> commands, final Physical givenTarget, final boolean auto, final int asLevel)
	{
		if(!auto)
			return false;
		final Physical target=givenTarget;
		if(target==null)
			return false;
		if((target instanceof Item)&&(room==null))
			return false;
		if(target.fetchEffect("Sinking")==null)
		{
			final Sinking F=new Sinking();
			F.setMiscText(this.reversed()?"REVERSED":"NORMAL");
			F.invoker=null;
			if(target instanceof MOB)
				F.invoker=(MOB)target;
			else
				F.invoker=CMClass.getMOB("StdMOB");
			target.addEffect(F);
			F.setSavable(false);
			F.makeLongLasting();
			if(!(target instanceof MOB))
				CMLib.threads().startTickDown(F,Tickable.TICKID_MOB,1);
			target.recoverPhyStats();
		}
		return true;
	}

	@Override
	public void setStat(final String code, final String val)
	{
		if(code==null)
			return;
		if(code.equalsIgnoreCase("REVERSED"))
			this.setProficiency(CMath.s_bool(val)?100:0);
		else
		if(code.equalsIgnoreCase("NORMAL"))
			this.setProficiency(CMath.s_bool(val)?0:100);
		else
			super.setStat(code, val);
	}

	@Override
	public String getStat(final String code)
	{
		if(code==null)
			return "";
		if(code.equalsIgnoreCase("REVERSED"))
			return ""+(this.proficiency()==100);
		else
		if(code.equalsIgnoreCase("NORMAL"))
			return ""+(this.proficiency()==0);
		else
			return super.getStat(code);
	}
}
