import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.net.Socket;

import java.text.SimpleDateFormat;

import java.util.Date;

import java.util.Locale;

import java.util.TreeMap;

import org.apache.log4j.Logger;

/**

* @author Mr.Shiv Gopal Yadav

*/

public class ClientHandler extends Thread {

private String latitude = "0",longitude = "0",speed = "0", angle = "0", altitude = "0", noOfSatellite = "0", ignition = "0", alertvalue = "", temperature = "0", gpsOdo = "0";

private static String vehicleBatteryVoltage = "0", movement = "0", iButton = "0",doorStatus = "0",alertType = "";

private static long gpsDateTime;

static {

InitializeLogger.intializeLogger(LOG4J_PROPERTIES);

}

private static final Logger logger = Logger.getLogger(ClientHandler.class);

private static void goSleep(final long milliSec) {

try {

Thread.sleep(milliSec);

} catch (final InterruptedException e) {

logger.warn("Sleeping client interrupted", e);

}

}

private static void writeResponse(final OutputStream out, final String response) throws IOException {

logger.info("Sending response to client: " + response);

out.write(response.getBytes());

out.write(0x10);

out.write(0x03);

out.flush();

}

private boolean flag,modelflag=true;

private final ClientModel clientModel;

private final DbModel statusModel;

private final SimpleDateFormat dateFormat;

private final Socket clientSocket;

private String imei;

private String gpsdate = "";

public ClientHandler(final ClientModel clientModel, final DbModel statusModel, final Socket clientSocket) {

this.flag = true;

this.clientModel = clientModel;

this.statusModel = statusModel;

this.clientSocket = clientSocket;

this.dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

}

public boolean isClosed() {

return clientSocket.isClosed();

}

@Override

public void run() {

try {

final InputStream in = clientSocket.getInputStream();

while (flag) {

if (!(in.available() > 0)) {

goSleep(3000);

continue;

}

processClients(in);

}

} catch (final IOException e) {

logger.error("Error while processing client socket.", e);

} finally {

try {

setStopFlag();

if (!clientSocket.isClosed())

clientSocket.close();

} catch (final IOException e) {

logger.warn("Error while closing client connection.", e);

}

}

}

private void processClients(InputStream in) {

try{

DataInputStream dis = new DataInputStream(clientSocket.getInputStream());

DataOutputStream dos = new DataOutputStream(clientSocket.getOutputStream());

imei = dis.readUTF();

dos.writeBoolean(true);

if(modelflag) {

clientModel.addClient(imei, this);

modelflag = false;

}

while (true) {

byte[] packet = ByteWrapper.unwrapFromStream(dis);

if (packet == null) {

break;

}

// register supported codecs

CodecStore.getInstance().register(AvlData.getCodec());

CodecStore.getInstance().register(AvlDataFM4.getCodec());

CodecStore.getInstance().register(AvlDataGH.getCodec());

System.out.println("Recived Packet is >>> " + packet);

AvlData decoder = CodecStore.getInstance().getSuitableCodec(packet);

if (decoder == null) {

System.out.println("Unknown packet format: "+ Tools.bufferToHex(packet));

dos.writeInt(0);

} else {

AvlData[] decoded = decoder.decode(packet);

dos.writeInt(decoded.length);

CallTeltonicaSp(decoded,imei,clientSocket);

}

}

}catch(Exception e){

logger.error("Error in processClient Method >>>"+e);

}

}

private void CallTeltonicaSp(AvlData[] decoded, String imei, Socket clientSocket2) {

try {

String rxstring = "";

for (AvlData avlData : decoded) {

System.out.println("AVLDATA is : " + avlData);

rxstring += avlData;

}

logger.info("Received Data >>> "+ rxstring);

processPacket(rxstring, imei);

} catch (Exception e) {

logger.error("Error in CallTeltonicaSp Method >>>"+e);

}

}

/**

* Method to separate GPS element(Longitude, Latitude, Speed, Angle, Altitude, No of satellites) from AVL data

* @param string

*/

private void getGPSelement(String string) {

try{

String[] tempArray = string.split("\\$");

longitude = String.valueOf(Float.parseFloat(tempArray[0].replace("X=", ""))/10000000);

latitude = String.valueOf(Float.parseFloat(tempArray[1].replace("Y=", ""))/10000000);

speed = tempArray[2].replace("Speed=", "");

angle = tempArray[3].replace("Angle=", "");

altitude = tempArray[4].replace("Altitude=", "");

noOfSatellite = tempArray[5].replace("Satellites=", "");

}catch(Exception e){

longitude = "";

latitude = "";

speed = "";

angle = "";

altitude = "";

noOfSatellite = "";

logger.error("Error in GPS Element data processing"+string);

}

}

/**

*Method to separate GPS element(Longitude, Latitude, Speed, Angle, Altitude, No of satellites) from AVL data

* @param data

* Sample Packet: 1=1$2=0$240=1$9=18$66=14146$24=55$199=15$72=0$78=0

*/

private void getiostream(String data){

try{

TreeMap<Integer, String> hm = new TreeMap<Integer, String>();

String[] st = data.split("\\$");

for(int i = 0; i < st.length; i++){

String[] temp = st[i].split("\\=");

hm.put(Integer.valueOf(temp[0]), temp[1]);

}

ignition = hm.containsKey(1)?hm.get(1):"0";

doorStatus = hm.containsKey(2)?hm.get(2):"0";

alertvalue = hm.containsKey(4)?hm.get(4):"0";

movement = hm.containsKey(240)?hm.get(240):"0";

vehicleBatteryVoltage = hm.containsKey(66)?String.valueOf(Float.parseFloat(hm.get(66))/1000):"0";//divide by 1000 to get value in milli volts

//vehicleBatteryVoltage = hm.containsKey(66)?hm.get(66):"0";

iButton = hm.containsKey(67)?hm.get(67):"0";

gpsOdo = hm.containsKey(199)?hm.get(199):"0";

}catch(Exception e){

ignition = "";

doorStatus = "";

alertvalue = "";

movement = "";

vehicleBatteryVoltage = "";

iButton = "";

gpsOdo = "";

logger.error("Error in Input Output data processing"+data);

}

}

/**

* Method to get GPS Date Time

* @param DateTime

*/

private void getTimeStamp(String DateTime) {

try{

Long DateTimes = Long.valueOf(DateTime);

gpsdate = dateFormat.format(new Date(DateTimes));

}catch(Exception e){

gpsdate = "";

logger.error("Error in Date Time data processing >>> "+ DateTime);

}

}

//#X=798532160$Y=68979480$Speed=0$Angle=175$Altitude=3$Satellites=9

//$1=1$2=0$4=0$240=1$67=10403$66=19490$24=0$199=0$^$:1470045663764:0

private void processPacket(String rxstring, String iMEI) {

try {

String[] dataArrays = null;

try{

rxstring = rxstring.replace("]", "").replace("[", "").replace("^","");

}catch(Exception e){

logger.error("Error in replace Shiv processPacket Method >>>"+e+rxstring);

}

try{

dataArrays = rxstring.split("X");

}catch(Exception e){

logger.error("Error Ramesh processPacket Method >>>"+e+rxstring);

}

for (String data : dataArrays) {

if(data.length() > 5){

String[] datas = rxstring.split(":");

getGPSelement(datas[1]);

getiostream(datas[2]);

getTimeStamp(datas[3]);

if(alertvalue.equals("1")){

alertType = "1";

statusModel.InsertAlertData(alertType,longitude,latitude,speed,angle,altitude,noOfSatellite,ignition,doorStatus,alertvalue,vehicleBatteryVoltage,

temperature,gpsOdo,gpsdate,data,iMEI,String.valueOf(getId()));

logger.info("Inserting Alert Packet >>> "+ data);

}

else{

statusModel.InsertData(longitude,latitude,speed,angle,altitude,noOfSatellite,ignition,doorStatus,alertvalue,vehicleBatteryVoltage,

temperature,gpsOdo,gpsdate,data,iMEI,String.valueOf(getId()));

logger.info("Inserting Polling Packet >>> "+ data);

}

}

}

} catch (Exception e) {

logger.error("Error in out try processPacket Method >>>"+e+rxstring);

}

}

public void setStopFlag() {

flag = false;

clientModel.removeClient(imei);

}

public void writeResponse(final String response) throws IOException {

writeResponse(clientSocket.getOutputStream(), response);

}

}