package letzplay.ganttproject;

import letzplay.core.GameLoop;
import letzplay.core.Output;

import java.io.*;
import java.util.ArrayList;

public class GanttGameLoop implements GameLoop {

    private static GanttGameLoop instance = null;

    private GanttGameLoop() {
    }

    public static GanttGameLoop getGameLoop() {
        if (instance == null) {
            instance = new GanttGameLoop();
        }
        return instance;
    }

    @Override
    public void init() {
        game.initQuests(GanttProject.init());
    }

    @Override
    public void input(String trigger) {
        System.out.println("Trigger: "+trigger);
        game.trigger(trigger);
    }

    @Override
    public void update() {
        game.update();
    }

    @Override
    public Output output() {
        //System.out.println(game.toString());
        return new Output(game.availableQuests(), game.currentLvl(),
                game.currentExp());
    }

    @Override
    public void save() throws IOException {
        FileOutputStream writeData = new FileOutputStream("gamedata.ser");
        ObjectOutputStream writeStream = new ObjectOutputStream(writeData);

        writeStream.writeObject(game.getState());
        writeStream.flush();
        writeStream.close();
    }

    @Override
    public void load() throws IOException, ClassNotFoundException {
        FileInputStream readData = new FileInputStream("gamedata.ser");
        ObjectInputStream readStream = new ObjectInputStream(readData);

        ArrayList<String> data = (ArrayList<String >) readStream.readObject();
        readStream.close();

        for (String s:data) {
            input(s);
        }
    }
}