import gifAnimation.*;
import processing.serial.*;

int lf = 10;    // Linefeed in ASCII
String myString = null;
Serial myPort;  // The serial port
PImage imgGreen;
PImage imgRed;
PImage wallpaper;

boolean LimitSwitchVerticalAxisReached = false;
boolean LimitSwitchHorizontalAxisReached = false;
boolean LimitSwitchRotaryAxisReached = false;
boolean jsonFlag = false;

void setup() {
  fullScreen();
  myPort = new Serial(this, Serial.list()[0], 9600);
  myPort.clear();
  imgGreen = loadImage("greenEggSmall.png");
  imgRed = loadImage("redEggSmall.png");
  wallpaper = loadImage("Wallpaper4.jpg");

  void draw() {
    background(wallpaper);

    // Grey Background for "Home Position Finished"
    fill(229, 229, 229, 100);
    stroke(0, 0, 0, 100);
    rect(90, 955, 520, 70, 20);

    // Grey Background for "Limit Switch Horizontal Axis"
    fill(229, 229, 229, 100);
    stroke(0, 0, 0, 100);
    rect(90, 855, 520, 70, 20);

    // Grey Background for "Limit Switch Rotary Axis"
    fill(229, 229, 229, 100);
    stroke(0, 0, 0, 100);
    rect(90, 755, 520, 70, 20);

    // Grey Background for "Limit Switch Vertical Axis"
    fill(229, 229, 229, 100);
    stroke(0, 0, 0, 100);
    rect(90, 655, 520, 70, 20);

    // Grey Background for "Motor-X Running"
    fill(229, 229, 229, 100);
    stroke(0, 0, 0, 100);
    rect(700, 655, 390, 70, 20);

    // Grey Background for "Motor-Y Running"
    fill(229, 229, 229, 100);
    stroke(0, 0, 0, 100);
    rect(700, 755, 390, 70, 20);

    // Grey Background for "Motor-Z Running"
    fill(229, 229, 229, 100);
    stroke(0, 0, 0, 100);
    rect(700, 855, 390, 70, 20);

    while (myPort.available() > 0) {
      String myString = myPort.readStringUntil('}');

      if (myString != null) {
        println(myString);
        String subString = null;

        if (myString.length() > 8) {
          subString = myString.substring(4, 8);
        } else {
          subString = "defaultString";
        }

        if (subString.equals("ArdC") == true) {
          jsonFlag = true;
        } else {
          jsonFlag = false;
        }

        if (jsonFlag == true) {
          try {
            JSONObject json = JSONObject.parse(myString);
            String vArduinoConnected = json.getString("ArdC");
            String btnXForward = json.getString("XF");
            String btnXDownward= json.getString("XD");
            String btnYLeft= json.getString("YL");
            String btnYRight= json.getString("YR");
            String btnZUp= json.getString("ZU");
            String btnZDown= json.getString("ZD");
            String btnInitialise= json.getString("Init");
            String LimitSwitchRotary = json.getString("LimR");
            String LimitSwitchHorizontal = json.getString("LimH");
            String LimitSwitchVertical = json.getString("LimV");
            println(btnXForward);

            if (LimitSwitchHorizontal.equals("1") == true) {
              image(imgGreen, 550, 865);
              LimitSwitchHorizontalAxisReached = true;
            } else {
              image(imgRed, 550, 865);
              LimitSwitchHorizontalAxisReached = false;
            }

            if (LimitSwitchRotary.equals("1") == true) {
              image(imgGreen, 550, 765);
              LimitSwitchRotaryAxisReached = true;
            } else {
              image(imgRed, 550, 765);
              LimitSwitchRotaryAxisReached = false;
            }

            if (LimitSwitchVertical.equals("1") == true) {
              image(imgGreen, 550, 665);
              LimitSwitchVerticalAxisReached = true;
            } else {
              image(imgRed, 550, 665);
              LimitSwitchVerticalAxisReached = false;
            }

            if (btnXForward.equals("1") == true || btnXDownward.equals("1") == true) {
              image(imgGreen, 1030, 665);
            } else {
              image(imgRed, 1030, 665);
            }

            if (btnYLeft.equals("1") == true || btnYRight.equals("1")  == true) {
              image(imgGreen, 1030, 765);
            } else {
              image(imgRed, 1030, 765);
            }

            if (btnZUp.equals("1") == true || btnZDown.equals("1")  == true) {
              image(imgGreen, 1030, 865);
            } else {
              image(imgRed, 1030, 865);
            }

            if (LimitSwitchHorizontalAxisReached && LimitSwitchRotaryAxisReached && LimitSwitchVerticalAxisReached) {
              image(imgGreen, 550, 965);
            } else {
              image(imgRed, 550, 965);
            }
          }

          catch (Exception e) {
            println("An error occured, while trying to parse the jSon object.");
          }
        }

        textSize(30);
        fill(255, 255, 255);
        text("Home Position Finished", 110, 1000);

        fill(255, 255, 255);
        text("Limit Switch Horizontal Axis", 110, 900);

        fill(255, 255, 255);
        text("Limit Switch Rotary Axis", 110, 800);

        fill(255, 255, 255);
        text("Limit Switch Vertical Axis", 110, 700);

        fill(255, 255, 255);
        text("Motor-X Running", 720, 700);

        fill(255, 255, 255);
        text("Motor-Y Running", 720, 800);

        fill(255, 255, 255);
        text("Motor-Z Running", 720, 900);

        textSize(40);
        fill(255, 255, 255);
        text("Motor Direction", 1200, 600);
      }
    }
  }