/*
 * Copyright © 2004-2026 L2J DataPack
 * 
 * This file is part of L2J DataPack.
 * 
 * L2J DataPack is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * L2J DataPack is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.l2jserver.datapack.ai.individual;

import com.l2jserver.datapack.ai.npc.AbstractNpcAI;
import com.l2jserver.gameserver.model.actor.L2Attackable;
import com.l2jserver.gameserver.model.actor.L2Character;
import com.l2jserver.gameserver.model.actor.L2Npc;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.model.events.impl.character.npc.NpcSkillFinished;
import com.l2jserver.gameserver.model.holders.SkillHolder;
import com.l2jserver.gameserver.util.Util;

/**
 * Emerald Horn AI.
 * @author Zoey76
 * @since 2.6.0.0
 */
public class EmeraldHorn extends AbstractNpcAI {
	private static final int EMERALD_HORN = 25718;
	// Skills
	private static final SkillHolder REFLECT_ATTACK = new SkillHolder(6823, 1);
	private static final SkillHolder PIERCING_STORM = new SkillHolder(6824, 1);
	private static final SkillHolder BLEED_LVL_1 = new SkillHolder(6825, 1);
	private static final SkillHolder BLEED_LVL_2 = new SkillHolder(6825, 2);
	// Variables
	private static final String HIGH_DAMAGE_FLAG = "HIGH_DAMAGE_FLAG";
	private static final String TOTAL_DAMAGE_COUNT = "TOTAL_DAMAGE_COUNT";
	private static final String CAST_FLAG = "CAST_FLAG";
	// Timers
	private static final String DAMAGE_TIMER_15S = "DAMAGE_TIMER_15S";
	// Misc
	private static final int MAX_CHASE_DIST = 2500;
	
	public EmeraldHorn() {
		bindAttack(EMERALD_HORN);
		bindSpellFinished(EMERALD_HORN);
	}
	
	@Override
	public void onAttack(L2Npc npc, L2PcInstance attacker, int damage, boolean isSummon) {
		if (Util.calculateDistance(npc, npc.getSpawn(), false, false) > MAX_CHASE_DIST) {
			npc.teleToLocation(npc.getSpawn().getX(), npc.getSpawn().getY(), npc.getSpawn().getZ());
		}
		
		if (npc.isAffectedBySkill(REFLECT_ATTACK.getSkillId())) {
			if (npc.getVariables().getBoolean(CAST_FLAG, false)) {
				npc.getVariables().set(TOTAL_DAMAGE_COUNT, npc.getVariables().getInt(TOTAL_DAMAGE_COUNT) + damage);
			}
		}
		
		if (npc.getVariables().getInt(TOTAL_DAMAGE_COUNT) > 5000) {
			addSkillCastDesire(npc, attacker, BLEED_LVL_2, 9999000000000000L);
			npc.getVariables().set(TOTAL_DAMAGE_COUNT, 0);
			npc.getVariables().set(CAST_FLAG, false);
			npc.getVariables().set(HIGH_DAMAGE_FLAG, true);
		}
		
		if (npc.getVariables().getInt(TOTAL_DAMAGE_COUNT) > 10000) {
			addSkillCastDesire(npc, attacker, BLEED_LVL_1, 9999000000000000L);
			npc.getVariables().set(TOTAL_DAMAGE_COUNT, 0);
			npc.getVariables().set(CAST_FLAG, false);
			npc.getVariables().set(HIGH_DAMAGE_FLAG, true);
		}
	}
	
	@Override
	public void onSpellFinished(NpcSkillFinished event) {
		if (getRandom(5) < 1) {
			final var npc = event.npc();
			npc.getVariables().set(TOTAL_DAMAGE_COUNT, 0);
			npc.getVariables().set(CAST_FLAG, true);
			addSkillCastDesire(npc, npc, REFLECT_ATTACK, 99999000000000000L);
			startQuestTimer(DAMAGE_TIMER_15S, 15 * 1000, npc, event.player());
		}
	}
	
	@Override
	public String onEvent(String event, L2Npc npc, L2PcInstance player) {
		if (DAMAGE_TIMER_15S.equals(event)) {
			if (!npc.getVariables().getBoolean(HIGH_DAMAGE_FLAG, false)) {
				final L2Character mostHated = ((L2Attackable) npc).getMostHated();
				if (mostHated != null) {
					if (mostHated.isDead()) {
						((L2Attackable) npc).stopHating(mostHated);
					} else {
						addSkillCastDesire(npc, mostHated, PIERCING_STORM, 9999000000000000L);
					}
				}
			}
			npc.getVariables().set(CAST_FLAG, false);
		}
		return super.onEvent(event, npc, player);
	}
}
