package org.hedgewars.hedgeroid.netplay;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.util.Collections;

import org.hedgewars.hedgeroid.Utils;

import org.hedgewars.hedgeroid.netplay.JnaFrontlib.MetaschemePtr;

import org.hedgewars.hedgeroid.netplay.JnaFrontlib.NetconnPtr;

import com.sun.jna.Library;

import com.sun.jna.Native;

import android.app.Service;

import android.content.Intent;

import android.os.Binder;

import android.os.CountDownTimer;

import android.os.IBinder;

public class NetplayService extends Service {

	static {

		System.loadLibrary("SDL_net");

	}

	public static final JnaFrontlib FRONTLIB = (JnaFrontlib)Native.loadLibrary("frontlib", JnaFrontlib.class, Collections.singletonMap(Library.OPTION_TYPE_MAPPER, FrontlibTypeMapper.INSTANCE));

	private final NetplayBinder binder = new NetplayBinder();

	public NetconnPtr netconn;

	private CountDownTimer timer;

	private String playerName;

	@Override

	public IBinder onBind(Intent intent) {

		return binder;

	}

	@Override

	public void onCreate() {

		if(FRONTLIB.flib_init() != 0) {

			throw new RuntimeException("Unable to start frontlib");

		}

	}

	@Override

	public void onDestroy() {

		disconnect();

		FRONTLIB.flib_quit();

	}

	/**

	 * Connect to the official Hedgewars server.

	 * 

	 * @throws IOException if the metascheme file can't be read or the connection to the server fails

	 */

	public void connect(String playerName) throws IOException {

		connect(playerName, "140.247.62.101", 46631);

	}

	/**

	 * Connect to the server with the given hostname and port

	 * 

	 * @throws IOException if the metascheme file can't be read or the connection to the server fails

	 */

	public void connect(String playerName, String host, int port) throws IOException {

		if(playerName == null) {

			playerName = "Player";

		}

		this.playerName = playerName;

		MetaschemePtr meta = null;

		try {

			String metaschemePath = new File(Utils.getDataPathFile(this), "metasettings.ini").getAbsolutePath();

			meta = FRONTLIB.flib_metascheme_from_ini(metaschemePath);

			if(meta == null) {

				throw new RuntimeException("Missing metascheme");

			}

			netconn = FRONTLIB.flib_netconn_create(playerName, meta, Utils.getDataPathFile(this).getAbsolutePath(), host, port);

	    	timer = new CountDownTimer(Long.MAX_VALUE, 50) {

				@Override

				public void onTick(long millisUntilFinished) {

					if(netconn != null) {

						FRONTLIB.flib_netconn_tick(netconn);

					}

				}

				@Override

				public void onFinish() {

				}

			};

			timer.start();

		} catch(FileNotFoundException e) {

			throw new RuntimeException(e);

		} finally {

			FRONTLIB.flib_metascheme_release(meta);

		}

	}

	public void disconnect() {

		if(timer != null) {

			timer.cancel();

		}

		if(netconn != null) {

			FRONTLIB.flib_netconn_send_quit(netconn, "User quit");

			FRONTLIB.flib_netconn_destroy(netconn);

			netconn = null;

		}

	}

	public class NetplayBinder extends Binder {

		NetplayService getService() {

            return NetplayService.this;

        }

	}

	public String getPlayerName() {

		return playerName;

	}

}