package me.TheBukor.SkStuff.expressions;

import javax.annotation.Nullable;

import org.bukkit.event.Event;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.inventory.Inventory;

import ch.njol.skript.ScriptLoader;
import ch.njol.skript.Skript;
import ch.njol.skript.lang.Expression;
import ch.njol.skript.lang.SkriptParser.ParseResult;
import ch.njol.skript.lang.util.SimpleExpression;
import ch.njol.skript.log.ErrorQuality;
import ch.njol.util.Kleenean;

public class ExprClickedInventory extends SimpleExpression<Inventory> {

	@Override
	public Class<? extends Inventory> getReturnType() {
		return Inventory.class;
	}

	@Override
	public boolean isSingle() {
		return true;
	}

	@Override
	public boolean init(Expression<?>[] expr, int matchedPattern, Kleenean arg2, ParseResult result) {
		if (!ScriptLoader.isCurrentEvent(InventoryClickEvent.class)) {
			Skript.error("The expression clicked inventory can only be used in an on inventory click event", ErrorQuality.SEMANTIC_ERROR);
			return false;
		}
		return true;
	}

	@Override
	public String toString(@Nullable Event e, boolean debug) {
		return "clicked inventory";
	}

	@Override
	@Nullable
	protected Inventory[] get(Event e) {
		return new Inventory[] { ((InventoryClickEvent) e).getClickedInventory() };
	}

}