package com.github.dtschust.zork.repl;

import com.github.dtschust.zork.ZorkGame;
import com.github.dtschust.zork.repl.actions.*;

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

public class ActionDispatcher {
    private static final List<Action> actionList = List.of(
            new AddAction(),
            new AttackAction(),
            new DeleteAction(),
            new DropItemAction(),
            new GameOverAction(),
            new InventoryAction(),
            new MoveAction(),
            new OpenAction(),
            new PutAction(),
            new ReadAction(),
            new StartGameAction(),
            new TakeAction(),
            new TurnOnAction(),
            new UpdateAction()
    );

    private final ZorkGame game;

    public ActionDispatcher(ZorkGame game) {
        this.game = game;
    }

    private Optional<Action> findAction(final List<String> arguments) {
        if (arguments.isEmpty()) return Optional.empty();
        final int size = arguments.size();
        return actionList.stream().filter(
                u -> size >= u.getMinimumArgCount() &&
                        size <= u.getMaximumArgCount() &&
                        u.matchesInput(arguments)
        ).findAny();
    }

    public void dispatch(String input) {
        final List<String> arguments = Arrays.asList(input.split(" "));
        final Optional<Action> action = findAction(arguments);

        if (action.isEmpty() || !action.get().run(game, arguments)) {
            game.stream.println("Error");
        }
    }

}