// MACRO-START * MACRO-START * MACRO-START * MACRO-START * MACRO-START * MACRO-START *
// a detailed explanation how these macros work is given in this tutorial
// https://forum.arduino.cc/t/comfortable-serial-debug-output-short-to-write-fixed-text-name-and-content-of-any-variable-code-example/888298

#define dbg(myFixedText, variableName) \
  Serial.print( F(#myFixedText " "  #variableName"=") ); \
  Serial.println(variableName);

#define dbgi(myFixedText, variableName,timeInterval) \
  { \
    static unsigned long intervalStartTime; \
    if ( millis() - intervalStartTime >= timeInterval ){ \
      intervalStartTime = millis(); \
      Serial.print( F(#myFixedText " "  #variableName"=") ); \
      Serial.println(variableName); \
    } \
  }

#define dbgc(myFixedText, variableName) \
  { \
    static long lastState; \
    if ( lastState != variableName ){ \
      Serial.print( F(#myFixedText " "  #variableName" changed from ") ); \
      Serial.print(lastState); \
      Serial.print( F(" to ") ); \
      Serial.println(variableName); \
      lastState = variableName; \
    } \
  }

#define dbgcf(myFixedText, variableName) \
  { \
    static float lastState; \
    if ( lastState != variableName ){ \
      Serial.print( F(#myFixedText " "  #variableName" changed from ") ); \
      Serial.print(lastState); \
      Serial.print( F(" to ") ); \
      Serial.println(variableName); \
      lastState = variableName; \
    } \
  }
// MACRO-END * MACRO-END * MACRO-END * MACRO-END * MACRO-END * MACRO-END * MACRO-END *

#include <MD_Parola.h>
#include <SPI.h>

//=====MAX7219================================
#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW
#define MAX_DEVICES 8
#define CLK_PIN   19
#define DATA_PIN  18
#define CS_PIN    5

MD_Parola matrixDisplay = MD_Parola(HARDWARE_TYPE, DATA_PIN, CLK_PIN, CS_PIN, MAX_DEVICES);

char textToDisplay[50] = {"orders are 63\0"};
char message[][32] = {"Andy is IN\0", "Andy is OUT\0"};
byte msg;
const int SPEED = 40;

int buttonPin = 2;

boolean animateResult;

long myTestCnt = 0;

void setup() {
  Serial.begin(115200);
  Serial.println("Setup-Start");
  matrixDisplay.begin();
  matrixDisplay.setIntensity(0);
  matrixDisplay.displayClear();
  pinMode(buttonPin, INPUT_PULLUP);
  matrixDisplay.displayText(textToDisplay, PA_CENTER, 1, 10000, PA_SLICE, PA_SLICE);
}

void loop() {
  dbgc("ToL", digitalRead(buttonPin) );
  //originalDemo();
  modifiedDemo();
  //testNewFunc();
}


void testNewFunc() {
  animateResult = matrixDisplay.displayAnimate();
  dbgc("T2", animateResult);

  if (animateResult) {
    matrixDisplay.displayReset();
  }
}


void modifiedDemo() {
  myTestCnt++;
  dbgi("modDemo",myTestCnt,1000);

  animateResult = matrixDisplay.displayAnimate();
  if (animateResult)  {
    Serial.println("animateResult == true");
    matrixDisplay.displayScroll(textToDisplay, PA_CENTER, PA_SCROLL_LEFT, SPEED);
    matrixDisplay.displayReset();
  }
  else {
    dbgi("md", animateResult, 1000);
  }
}


void originalDemo() {
  if (!digitalRead(buttonPin)) { // read the button
    delay(150); // debounce
    msg = !msg; // msg between 0 and 1 to choose array element 0 or 1
  }
  // MD_Parola
  if (matrixDisplay.displayAnimate()) {
    matrixDisplay.displayScroll(message[msg], PA_CENTER, PA_SCROLL_LEFT, SPEED);
    matrixDisplay.displayReset();
  }
}