/**
 *   This file is part of Skript.
 *
 *  Skript 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.
 *
 *  Skript 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 Skript.  If not, see <http://www.gnu.org/licenses/>.
 *
 *
 * Copyright 2011-2017 Peter Güttinger and contributors
 */
package ch.njol.skript.effects;


import org.bukkit.entity.Player;
import org.bukkit.event.Event;
import org.eclipse.jdt.annotation.Nullable;

import ch.njol.skript.Skript;
import ch.njol.skript.doc.Description;
import ch.njol.skript.doc.Examples;
import ch.njol.skript.doc.Name;
import ch.njol.skript.doc.Since;
import ch.njol.skript.lang.Effect;
import ch.njol.skript.lang.Expression;
import ch.njol.skript.lang.SkriptParser.ParseResult;
import ch.njol.util.Kleenean;

@Name("Make Fly")
@Description({"Forces a player to start/stop flying.", 
	     	"Be aware that this also changes the <a href='expressions.html#ExprFlightMode'>flight mode</a> of the player."})
@Examples({"make player fly", "force all players to stop flying"})
@Since("2.2-dev34")
public class EffMakeFly extends Effect {

	static {
		if (Skript.methodExists(Player.class, "setFlying", boolean.class)) {
			Skript.registerEffect(EffMakeFly.class, "force %players% to [(start|1¦stop)] fly[ing]",
								"make %players% (start|1¦stop) flying",
								"make %players% fly");
		}
	}

	@SuppressWarnings("null")
	private Expression<Player> players;
	private boolean flying;

	@SuppressWarnings({"unchecked", "null"})
	@Override
	public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed, ParseResult parseResult) {
		players = (Expression<Player>) exprs[0];
		flying = parseResult.mark != 1;
		return true;
	}

	@Override
	protected void execute(Event e) {
		for (Player player : players.getArray(e)) {
			player.setAllowFlight(flying);
			player.setFlying(flying);
		}
	}

	@Override
	public String toString(@Nullable Event e, boolean debug) {
		return "make " + players.toString(e, debug) + (flying ? " start " : " stop ") + "flying";
	}

}
