/*
 * Copyright © 2004-2021 L2J Server
 * 
 * This file is part of L2J Server.
 * 
 * L2J Server 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 Server 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.gameserver.model.quest;

import java.util.concurrent.ScheduledFuture;
import java.util.logging.Level;
import java.util.logging.Logger;

import com.l2jserver.gameserver.ThreadPoolManager;
import com.l2jserver.gameserver.model.actor.L2Npc;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;

public class QuestTimer {
	protected static final Logger _log = Logger.getLogger(QuestTimer.class.getName());
	
	public class ScheduleTimerTask implements Runnable {
		@Override
		public void run() {
			if (!getIsActive()) {
				return;
			}
			
			try {
				if (!getIsRepeating()) {
					cancelAndRemove();
				}
				getQuest().notifyEvent(getName(), getNpc(), getPlayer());
			} catch (Exception e) {
				_log.log(Level.SEVERE, "", e);
			}
		}
	}
	
	private boolean _isActive = true;
	private final String _name;
	private final Quest _quest;
	private final L2Npc _npc;
	private final L2PcInstance _player;
	private final boolean _isRepeating;
	private final ScheduledFuture<?> _scheduler;
	
	public QuestTimer(Quest quest, String name, long time, L2Npc npc, L2PcInstance player, boolean repeating) {
		_name = name;
		_quest = quest;
		_player = player;
		_npc = npc;
		_isRepeating = repeating;
		if (repeating) {
			_scheduler = ThreadPoolManager.getInstance().scheduleGeneralAtFixedRate(new ScheduleTimerTask(), time, time); // Prepare auto end task
		} else {
			_scheduler = ThreadPoolManager.getInstance().scheduleGeneral(new ScheduleTimerTask(), time); // Prepare auto end task
		}
	}
	
	public QuestTimer(Quest quest, String name, long time, L2Npc npc, L2PcInstance player) {
		this(quest, name, time, npc, player, false);
	}
	
	public QuestTimer(QuestState qs, String name, long time) {
		this(qs.getQuest(), name, time, null, qs.getPlayer(), false);
	}
	
	/**
	 * Cancel this quest timer.
	 */
	public void cancel() {
		_isActive = false;
		if (_scheduler != null) {
			_scheduler.cancel(false);
		}
	}
	
	/**
	 * Cancel this quest timer and remove it from the associated quest.
	 */
	public void cancelAndRemove() {
		cancel();
		_quest.removeQuestTimer(this);
	}
	
	/**
	 * Compares if this timer matches with the key attributes passed.
	 * @param quest the quest to which the timer is attached
	 * @param name the name of the timer
	 * @param npc the NPC attached to the desired timer (null if no NPC attached)
	 * @param player the player attached to the desired timer (null if no player attached)
	 * @return
	 */
	public boolean isMatch(Quest quest, String name, L2Npc npc, L2PcInstance player) {
		if ((quest == null) || (name == null)) {
			return false;
		}
		if ((quest != _quest) || !name.equalsIgnoreCase(getName())) {
			return false;
		}
		return ((npc == _npc) && (player == _player));
	}
	
	public final boolean getIsActive() {
		return _isActive;
	}
	
	public final boolean getIsRepeating() {
		return _isRepeating;
	}
	
	public final Quest getQuest() {
		return _quest;
	}
	
	public final String getName() {
		return _name;
	}
	
	public final L2Npc getNpc() {
		return _npc;
	}
	
	public final L2PcInstance getPlayer() {
		return _player;
	}
	
	@Override
	public final String toString() {
		return _name;
	}
}
