package org.ntlab.radishforandroidstudio.framework.gameMain;

import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import org.ntlab.radishforandroidstudio.R;

import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

public abstract class RealTimeFragment extends Fragment implements Runnable{
    //インターバル確認用変数
    private long interval = 15L;
    private long prevTime = 0L;

    private ScheduledThreadPoolExecutor schedule = new ScheduledThreadPoolExecutor(1);
    private boolean fixedInterval;

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_real_time, container, false);
    }

    protected void start(long interval){
        this.interval = interval;
        this.fixedInterval = false;
        schedule.scheduleWithFixedDelay(this, interval, interval, TimeUnit.MILLISECONDS);
    }

    protected void start(long delay, long interval){
        this.interval = interval;
        this.fixedInterval = false;
        schedule.scheduleWithFixedDelay(this, delay, interval, TimeUnit.MILLISECONDS);
    }

    protected void start(long delay, long interval, boolean fixedInterval){
        this.interval = interval;
        this.fixedInterval = fixedInterval;
        schedule.scheduleWithFixedDelay(this, delay, interval, TimeUnit.MILLISECONDS);
    }


    protected void stop() {
        schedule.shutdown();
    }

    //繰り返し実行される部分
    public void run(){
        long interval;
        if (prevTime == 0L || fixedInterval) {
            interval = this.interval;
            prevTime = System.currentTimeMillis();
        } else {
            long curTime = System.currentTimeMillis();
            interval = curTime - prevTime;
            prevTime = curTime;
        }
        update(interval);
    }
    //intervalミリ秒のインターバルをおいて定期実行
    protected abstract void update(long interval);

}