content: /**
   * This file is part of Aion-Lightning <aion-lightning.org>.
   *
   *  Aion-Lightning 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.
   *
   *  Aion-Lightning 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 Aion-Lightning.
   *  If not, see <http://www.gnu.org/licenses/>.
   */
  package admincommands;
  
  import com.aionemu.gameserver.dataholders.DataManager;
  import com.aionemu.gameserver.model.gameobjects.Creature;
  import com.aionemu.gameserver.model.gameobjects.VisibleObject;
  import com.aionemu.gameserver.model.gameobjects.player.Player;
  import com.aionemu.gameserver.skillengine.SkillEngine;
  import com.aionemu.gameserver.skillengine.model.Skill;
  import com.aionemu.gameserver.skillengine.model.SkillTemplate;
  import com.aionemu.gameserver.utils.PacketSendUtility;
  import com.aionemu.gameserver.utils.chathandlers.AdminCommand;
  
  /**
   * @author Source, kecimis
   */
  public class UseSkill extends AdminCommand {
  
  	private final String syntax = "Syntax: //skill <skillId> <skillLevel> [true|target] <duration>";
  
  	public UseSkill() {
  		super("useskill");
  	}
  
  	@Override
  	public void execute(Player admin, String... params) {
  		if (params.length > 4 || params.length <= 0) {
  			onFail(admin, null);
  			return;
  		}
  
  		if (params[0].equalsIgnoreCase("help")) {
  			PacketSendUtility.sendMessage(admin, syntax + " \n" + "TARGET - targetted creature will use skill on its target.\n" + "TRUE - effect of skill is applied without any checks.\n" + "If you want to add duration, you have to use TRUE!\n" + "Example: //useskill 1968 1 or //useskill 1968 1 true 1\n" + "Duration is in seconds, 0 means its taken from skill_template.");
  			return;
  		}
  
  		VisibleObject target = admin.getTarget();
  
  		int skillId = 0;
  		int skillLevel = 0;
  
  		try {
  			skillId = Integer.parseInt(params[0]);
  			skillLevel = Integer.parseInt(params[1]);
  		}
  		catch (NumberFormatException e) {
  			PacketSendUtility.sendMessage(admin, "SkillId and skillLevel need to be an integer.");
  			return;
  		}
  
  		if (target == null || !(target instanceof Creature)) {
  			PacketSendUtility.sendMessage(admin, "You must select a target!");
  			return;
  		}
  
  		SkillTemplate skillTemplate = DataManager.SKILL_DATA.getSkillTemplate(skillId);
  
  		if (skillTemplate == null) {
  			PacketSendUtility.sendMessage(admin, "No skill template id:" + skillId);
  			return;
  		}
  
  		if (params.length >= 3) {
  			if (params[2].equalsIgnoreCase("true")) {
  				int time = 0;
  				if (params.length == 4) {
  					try {
  						time = Integer.parseInt(params[3]);
  					}
  					catch (NumberFormatException e) {
  						PacketSendUtility.sendMessage(admin, "Time has to be integer!");
  						return;
  					}
  				}
  				if (time < 0 || time > 86400) {
  					PacketSendUtility.sendMessage(admin, "Time has to be in range 0 - 86400!");
  					return;
  				}
  
  				SkillEngine.getInstance().applyEffectDirectly(skillId, admin, (Creature) target, (time * 1000));
  
  				PacketSendUtility.sendMessage(admin, "SkillId:" + skillId + " was applied on target " + target.getName());
  			}
  			else if (params[2].equalsIgnoreCase("target")) {
  				if (target.getTarget() == null || !(target.getTarget() instanceof Creature)) {
  					PacketSendUtility.sendMessage(admin, "Target must select some creature!");
  					return;
  				}
  
  				this.useSkill(admin, (Creature) target, (Creature) target.getTarget(), skillId, skillLevel);
  				PacketSendUtility.sendMessage(admin, "Target: " + target.getName() + " used skillId:" + skillId + " on target " + target.getTarget().getName());
  			}
  			else {
  				onFail(admin, null);
  				return;
  			}
  		}
  		else {
  			this.useSkill(admin, admin, (Creature) target, skillId, skillLevel);
  			PacketSendUtility.sendMessage(admin, "SkillId:" + skillId + " was used on target " + target.getName());
  		}
  	}
  
  	private void useSkill(Player admin, Creature effector, Creature target, int skillId, int skillLevel) {
  		Skill skill = SkillEngine.getInstance().getSkill(effector, skillId, skillLevel, target);
  		if (skill != null) {
  			skill.useNoAnimationSkill();
  		}
  		else {
  			onFail(admin, null);
  		}
  	}
  
  	@Override
  	public void onFail(Player player, String message) {
  		PacketSendUtility.sendMessage(player, syntax + " \n" + "or use //useskill help.");
  	}
  }
  