package com.sunvote.xpadapp.server;

import android.app.ActivityManager;
import android.app.KeyguardManager;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import android.text.TextUtils;

import com.jaredrummler.android.processes.AndroidProcesses;
import com.sunvote.util.LogUtil;
import com.sunvote.xpadapp.MainActivity;

import java.util.List;

public class MoniService extends Service {

    private Handler handler;

    public MoniService() {
    }

    @Override
    public IBinder onBind(Intent intent) {
        throw new UnsupportedOperationException("Not yet implemented");
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        if (handler == null) {
            handler = new Handler();
        }
        if (handler != null) {
            handler.removeCallbacks(checkTask);
            handler.post(checkTask);
        }
        return super.onStartCommand(intent, flags, startId);
    }

    @Override
    public void onCreate() {
        super.onCreate();
        handler = new Handler();
    }

    private Runnable checkTask = new Runnable() {
        @Override
        public void run() {
            boolean ret = !isBackground(MoniService.this);//AndroidProcesses.isMyProcessInTheForeground();
            LogUtil.i("MoniService", "checkResult:" + ret);
            if (!ret) {
                Intent intent = new Intent(MoniService.this, MainActivity.class);
                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT | Intent.FLAG_ACTIVITY_NEW_TASK);
                startActivity(intent);
            }

            if (handler != null) {
                handler.removeCallbacks(checkTask);
                handler.postDelayed(checkTask, 500);
            }
        }
    };

    @Override
    public void onDestroy() {
        super.onDestroy();
        handler.removeCallbacks(checkTask);
    }

    public static boolean isBackground(Context context) {
        ActivityManager activityManager = (ActivityManager) context
                .getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningAppProcessInfo> appProcesses = activityManager
                .getRunningAppProcesses();
        for (ActivityManager.RunningAppProcessInfo appProcess : appProcesses) {
            if (TextUtils.equals(appProcess.processName, context.getPackageName())) {
                return appProcess.importance != ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND;
            }
        }
        return false;
    }
}