/*-------------------------------------------------------------------------
 * drawElements Quality Program Tester Core
 * ----------------------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *//*!
 * \file
 * \brief ExecServer service.
 *//*--------------------------------------------------------------------*/

package com.drawelements.deqp.execserver;

import android.app.Service;
import android.app.Notification;
import android.app.Notification.Builder;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.Binder;
import android.os.Build;
import android.os.IBinder;

import com.drawelements.deqp.execserver.ExecServerActivity;
import com.drawelements.deqp.testercore.Log;
import com.drawelements.deqp.R;

public class ExecService extends Service {

	public static final String	LOG_TAG			= "dEQP";
	public static final int		DEFAULT_PORT	= 50016;

	private int					m_curPort		= -1;
	private boolean				m_isRunning		= false;

	static {
		System.loadLibrary("deqp");
	}

	long m_server = 0; //!< Server pointer.

	// \note No IPC handling, all clients must be in same process
	public class LocalBinder extends Binder {
		ExecService getService () {
			return ExecService.this;
		}
	}

	private final IBinder m_binder = new LocalBinder();

	@Override
	public int onStartCommand (Intent intent, int flags, int startId) {
		final int port = intent != null ? intent.getIntExtra("port", DEFAULT_PORT) : DEFAULT_PORT;

		if (m_isRunning && (m_curPort != port)) {
			Log.i(LOG_TAG, String.format("Port changed (old: %d, new: %d), killing old server", m_curPort, port));
			stopServer();
			m_isRunning = false;
		}

		if (!m_isRunning) {
			startServer(port);

			m_isRunning	= true;
			m_curPort	= port;

			Log.i(LOG_TAG, String.format("Listening on port %d", m_curPort));
		}

		// Intent to launch when notification is clicked.
		Intent launchIntent = new Intent(this, ExecServerActivity.class);
		launchIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
		PendingIntent pm = PendingIntent.getActivity(this, 0, launchIntent, 0);

		// Start as foreground service.
		String channel = "";

		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
		{
			channel = "com.drawelements.deqp.execserver";

			NotificationChannel noteChan = new NotificationChannel(channel, "dEQP ExecServer", NotificationManager.IMPORTANCE_LOW);
			NotificationManager manager  = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
			manager.createNotificationChannel(noteChan);
		}

		Notification.Builder builder = new Notification.Builder(this, channel);
		Notification notification = builder.setContentIntent(pm)
			.setSmallIcon(R.drawable.deqp_app_small).setTicker("ExecServer is running in the background.")
			.setWhen(System.currentTimeMillis()).setAutoCancel(true).setContentTitle("dEQP ExecServer")
			.setContentText("ExecServer is running in the background.").build();
		startForeground(1, notification);

		return START_STICKY; // Keep us running until explictly stopped
	}

	@Override
	public IBinder onBind (Intent intent) {
		return m_binder;
	}

	@Override
	public void onDestroy () {
		if (m_isRunning) {
			stopServer();
			m_isRunning = false;
		}
	}

	private native void startServer	(int port);
	private native void stopServer	();
}