package com.planet_ink.coffee_mud.Abilities.Songs;
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 2002-2020 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 Song_Babble extends Song
{
	@Override
	public String ID()
	{
		return "Song_Babble";
	}

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

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

	@Override
	public int abstractQuality()
	{
		return Ability.QUALITY_MALICIOUS;
	}

	protected final static String consonants="bcdfghjklmnpqrstvwxz";
	protected final static String vowels="aeiouy";

	@Override
	protected boolean skipStandardSongInvoke()
	{
		return true;
	}

	@Override
	protected boolean HAS_QUANTITATIVE_ASPECT()
	{
		return false;
	}

	@Override
	protected boolean maliciousButNotAggressiveFlag()
	{
		return true;
	}

	@Override
	public long flags()
	{
		return super.flags() | Ability.FLAG_MINDALTERING;
	}

	protected int numChars(final String words)
	{
		int num=0;
		for(int i=0;i<words.length();i++)
		{
			if(Character.isLetter(words.charAt(i)))
				num++;
		}
		return num;
	}

	protected char fixCase(final char like,final char make)
	{
		if(Character.isUpperCase(like))
			return Character.toUpperCase(make);
		return Character.toLowerCase(make);
	}

	protected String messChars(final String words, int numToMess)
	{
		numToMess=numToMess/2;
		if(numToMess==0)
			return words;
		final StringBuffer w=new StringBuffer(words);
		while(numToMess>0)
		{
			final int x=CMLib.dice().roll(1,words.length(),-1);
			final char c=words.charAt(x);
			if(Character.isLetter(c))
			{
				if(vowels.indexOf(c)>=0)
					w.setCharAt(x,fixCase(c,vowels.charAt(CMLib.dice().roll(1,vowels.length(),-1))));
				else
					w.setCharAt(x,fixCase(c,consonants.charAt(CMLib.dice().roll(1,consonants.length(),-1))));
				numToMess--;
			}
		}
		return w.toString();
	}

	@Override
	public boolean okMessage(final Environmental myHost, final CMMsg msg)
	{
		if((affected instanceof MOB)
		&&(msg.amISource((MOB)affected))
		&&(!msg.amISource(invoker))
		&&(msg.sourceMessage()!=null)
		&&(msg.tool()==null)
		&&((msg.sourceMinor()==CMMsg.TYP_SPEAK)
		   ||(msg.sourceMinor()==CMMsg.TYP_TELL)
		   ||(CMath.bset(msg.sourceMajor(),CMMsg.MASK_CHANNEL))))
		{
			String str=msg.othersMessage();
			if(str==null)
				str=msg.targetMessage();
			if(str!=null)
				str=CMStrings.getSayFromMessage(str);
			if(str!=null)
			{
				String smsg=CMStrings.getSayFromMessage(msg.sourceMessage());
				final int numToMess=numChars(str);
				if(numToMess>0)
					smsg=messChars(smsg,numChars(str));
				msg.modify(msg.source(),
							msg.target(),
							null,
							msg.sourceCode(),
							CMStrings.substituteSayInMessage(msg.sourceMessage(),smsg),
							msg.targetCode(),
							CMStrings.substituteSayInMessage(msg.targetMessage(),smsg),
							msg.othersCode(),
							CMStrings.substituteSayInMessage(msg.othersMessage(),smsg));
				helpProficiency((MOB)affected, 0);
			}
		}
		return super.okMessage(myHost,msg);
	}

	@Override
	public int castingQuality(final MOB mob, final Physical target)
	{
		if(mob!=null)
		{
			if(mob.isInCombat()&&(mob.isMonster()))
				return Ability.QUALITY_INDIFFERENT;
		}
		return super.castingQuality(mob,target);
	}

	@Override
	public boolean invoke(final MOB mob, final List<String> commands, final Physical givenTarget, final boolean auto, final int asLevel)
	{
		timeOut=0;
		if(!super.invoke(mob,commands,givenTarget,auto,asLevel))
			return false;

		if((!auto)&&(!CMLib.flags().canSpeak(mob)))
		{
			mob.tell(L("You can't sing!"));
			return false;
		}

		final boolean success=proficiencyCheck(mob,0,auto);
		unSingAll(mob,mob,true,false);
		if(success)
		{
			invoker=mob;
			originRoom=mob.location();
			final int oldDepth = this.songDepth;
			final int newDepth = this.calculateNewSongDepth(mob);
			commonRoomSet=getInvokerScopeRoomSet(newDepth);
			this.songDepth = newDepth;
			String str=auto?L("The @x1 begins to play!",songOf()):L("^S<S-NAME> begin(s) to sing the @x1.^?",songOf());
			if((!auto)&&(mob.fetchEffect(this.ID())!=null))
			{
				if(newDepth > oldDepth)
					str=L("^S<S-NAME> extend(s) the @x1`s range.^?",songOf());
				else
					str=L("^S<S-NAME> start(s) the @x1 over again.^?",songOf());
			}

			for(int v=0;v<commonRoomSet.size();v++)
			{
				final Room R=commonRoomSet.get(v);
				final String msgStr=getCorrectMsgString(R,str,v);
				final CMMsg msg=CMClass.getMsg(mob,null,this,verbalCastCode(mob,null,auto),msgStr);
				if(R.okMessage(mob,msg))
				{
					final Song newOne=(Song)this.copyOf();
					final Set<MOB> h=sendMsgAndGetTargets(mob, R, msg, givenTarget, auto);
					if(h==null)
						continue;

					for (final Object element : h)
					{
						final MOB follower=(MOB)element;

						// malicious songs must not affect the invoker!
						int affectType=CMMsg.MSG_CAST_VERBAL_SPELL;
						if(auto)
							affectType=affectType|CMMsg.MASK_ALWAYS;

						if((CMLib.flags().canBeHeardSpeakingBy(invoker,follower)&&(follower.fetchEffect(this.ID())==null)))
						{
							final CMMsg msg2=CMClass.getMsg(mob,follower,this,affectType,null);
							final CMMsg msg3=msg2;
							if((R.okMessage(mob,msg2))&&(R.okMessage(mob,msg3)))
							{
								follower.location().send(follower,msg2);
								if(msg2.value()<=0)
								{
									follower.location().send(follower,msg3);
									if((msg3.value()<=0)&&(follower.fetchEffect(newOne.ID())==null))
									{
										if(follower!=mob)
											follower.addEffect((Ability)newOne.copyOf());
										else
											follower.addEffect(newOne);
									}
								}
							}
						}
					}
					R.recoverRoomStats();
				}
			}
		}
		else
			mob.location().show(mob,null,CMMsg.MSG_NOISE,L("<S-NAME> hit(s) a foul note."));

		return success;
	}
}
