package diktya1_9096;

import ithakimodem.Modem;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.System;

public class virtualModem {
    public static void main(String[] param) throws IOException {
        (new virtualModem()).demo();
    }

    public void demo() throws IOException {
        int k;
        Modem modem;
        modem = new Modem();
        modem.setSpeed(80000);
        modem.setTimeout(2000);
        modem.open("ithaki");

        byte[] echoPackets = "E6101\r".getBytes();
        byte[] errorFreeImage = "M3554 \r".getBytes();
        byte[] errorImage = "G1367\r".getBytes();
        byte[] gps = "P0238R=1000199\r".getBytes();
        byte[] ack = "Q9057\r".getBytes();
        byte[] nack = "R1432\r".getBytes();

        PrintWriter writer = new PrintWriter("echo.txt", "UTF-8");

        FileOutputStream ErrorFreeImage = new FileOutputStream("Ε1.jpg");
        FileOutputStream ErrorImage = new FileOutputStream("Ε2.jpg");

        for (;;) {
            try {
                k = modem.read();
                if (k == -1)
                    break;
                System.out.print((char) k);
            } catch (Exception x) {
                break;
            }
        }
        // NOTE : Break endless loop by catching sequence "\r\n\n\n".
        // NOTE : Stop program execution when "NO CARRIER" is detected.
        // NOTE : A time-out option will enhance program behavior.
        // NOTE : Continue with further Java code.
        // NOTE : Enjoy :)

        EchoPackets(echoPackets, modem);
        writer.println((int) EchoPackets(echoPackets, modem));
        writer.close();

        Image(errorFreeImage, modem, ErrorFreeImage);
        ErrorFreeImage.close();

        Image(errorImage, modem, ErrorImage);
        ErrorImage.close();

        GPS(gps, modem);
        System.out.println("DONE!");

        modem.close();
    }

//Συνάρτηση για echo Packets
    public long EchoPackets(byte[] echo, Modem modem1) {
        long startTime = System.currentTimeMillis();
        modem1.write(echo);
        for (int i = 0; i < 35; i++) {
            try {

                int k = modem1.read();

                if (k == -1) {
                    break;

                }

                System.out.print((char) k);
            } catch (Exception x) {

                break;

            }

        }
        System.out.println(" ");
        long endTime = System.currentTimeMillis();
        long responseTime = endTime - startTime;
        return responseTime;
    }

    // Συνάρτηση για Images
    public void Image(byte[] im, Modem modem2, FileOutputStream imageFile) throws IOException {
        modem2.write(im);

        int firstByte = 0;
        int secondByte = 0;
        while (1 != 0) {
            firstByte = secondByte;
            secondByte = modem2.read();
            if (firstByte == 255 && secondByte == 216) {
                imageFile.write(firstByte);
                imageFile.write(secondByte);
                break;

            }

        }

        while (1 != 0) {
            try {

                if (firstByte == 255 && secondByte == 217) {
                    imageFile.write((byte) secondByte);
                    break;
                }
                firstByte = secondByte;
                secondByte = modem2.read();
                imageFile.write((byte) secondByte);
            } catch (Exception x) {
                break;
            }

        }

        imageFile.close();
    }

    public void GPS(byte[] gps1, Modem modem3) {
        modem3.write(gps1);
        int gpsTraces[][] = new int[99][80];
        int long_lat[][] = new int[99][17];
        int k = 0;// Στο k θα αποθηκεύονται τα Bytes που στέλνονται από τον Server Ithaki
        int i = -1;// Δείκτης γραμμών του πίνακα ιχνών
        int j = 0;// Δείκτης στηλών του πίνακα ιχνών
//Εκτύπωση μηνύματος εκκίνησης
        for (int c = 0; c < 27; c++) {
            try {

                if (k == -1)
                    break;
                System.out.print((char) modem3.read());
            } catch (Exception x) {
                break;
            }
        }
//Εκτύπωση ιχνών
        for (;;)
            try {

                k = modem3.read();

                if (k == -1) {
                    break;
                }

                if (k == 36) {
                    i++;
                    j = 0;
                }

                gpsTraces[i][j] = k;// Αποθήκευση ιχνών στον πίνακα
                if (i == 99) {
                    break;
                }
                System.out.print((char) gpsTraces[i][j]);

            } catch (Exception x) {
                break;
            }
        // Δημιουργία πίνακα με γεωγραφικά μήκη και πλάτη.

        for (int m = 0; m < 99; m++) {
            int l = 0;
            for (int n = 18; n < 27; n++) {
                if (n != 22) {
                    long_lat[m][l] = (gpsTraces[m][n] - 48);
                    l++;
                } else {
                    continue;
                }
            }

            for (int a = 30; a < 40; a++) {
                if (a != 35) {
                    long_lat[m][l] = (gpsTraces[m][a] - 48);
                    l++;
                } else {
                    continue;
                }
            }

        }

        for (int cc = 0; cc < 17; cc++) {
            System.out.print((char) gpsTraces[22][45]);
        }

    }
}