package com.github.dtschust.zork.repl.actions;

import com.github.dtschust.zork.ZorkGame;
import com.github.dtschust.zork.repl.Action;

import java.util.List;
import java.util.Optional;

/**
 * Turn on an item
 */
public class TurnOnAction implements Action {
    @Override
    public boolean matchesInput(List<String> arguments) {
        return arguments.get(0).equals("turn") && arguments.get(1).equals("on");
    }

    @Override
    public int getMinimumArgCount() {
        return 3;
    }

    @Override
    public boolean run(ZorkGame game, List<String> arguments) {
        final String what = arguments.get(2);
        final boolean inInventory = game.inventory.contains(what);

        return Optional.ofNullable(inInventory ? what : null)
                .flatMap(game::getItem)
                .map(i -> {
                    game.stream.println("You activate the " + i.getName() + ".");
                    i.printAndExecuteActions(game);
                    return true;
                }).orElse(false);
    }
}