#include <Adafruit_GFX.h>
#include <Adafruit_NeoMatrix.h>
#include <Adafruit_NeoPixel.h>

//------------ DEFINIRANJE NA BOITE --------------------------------
#define BLACK    0x0000
#define BLUE     0x001F
#define RED      0xF800
#define GREEN    0x07E0
#define CYAN     0x07FF
#define MAGENTA  0xF81F
#define YELLOW   0xFFE0
#define WHITE    0xFFFF
//----------------------------------------------------------------------------

//--------- definiranje parametri za matricata ----------------------
int matrixW = 8;       //dolzina na matrica 
int matrixH = 8;       //sirina na matrica 
#define PIN 6 //        //pino na koj sme povrzani 

Adafruit_NeoMatrix matrix = Adafruit_NeoMatrix(matrixW, matrixH, PIN,
                            NEO_MATRIX_TOP     + NEO_MATRIX_LEFT +
                            NEO_MATRIX_ROWS + NEO_MATRIX_PROGRESSIVE,
                            NEO_GRB            + NEO_KHZ800);
//kazuvame deka ke pocneme od gore levo ,ke odi po redici ,PROGRESSIVE sekogas mora
//inace ne se cita 

uint16_t textColor = matrix.Color(255, 0, 0); // boja na matricata 
const uint16_t drawingColors[] = { GREEN, BLUE, CYAN, WHITE, RED};
            // 3 boi za pravoagolnicite 

#define arr_len( x )  ( sizeof( x ) / sizeof( *x ) ) 

int pixelPerChar = 6; // goleminata na eden karakter 
int x = matrix.width(); // dolzina na display 
int pass = 0; // Counter
int i = 0; // Counter

void setup() {
  matrix.begin();
  matrix.setTextWrap(false);
  matrix.setBrightness(255);       //postavuvanje na osvetlenost 
  matrix.setTextColor(textColor);    // boja na textot (mora od tuka da se postavi)
}

void loop() {
  
  writeText("prvo");          //pisuvame text koj se dvizi (f-jata e dole) 
  
  drawRectangles();   // nacrtaj pravoagolnicite 
  matrix.show();
  delay(500);
   /*зада е статичен текстот се користи  matrix.print();

      char msgText[] = "Let's Start Over";
      matrix.fillScreen(0); // Чистење на екранот
      matrix.setCursor(0, 0); // Поставување на курсорот на почеток
      matrix.print(msgText); // Печатење на статичен текст
      matrix.show();
      delay(1000);
  */
  writeText("vtoro"); // pisuvame text za kraj 

  drawLines();
  matrix.show();
  delay(500);

  writeText("kraj");


}

/* --------------------  funkcija za pisuvanje text --------------------  */
void writeText(String msg) {
  int msgSize = (msg.length() * pixelPerChar) + (2 * pixelPerChar); // Calculate message length
  int scrollingMax = (msgSize) + matrix.width(); // Adjust displacement for message length

  x = matrix.width(); // Reset cursor position and start text string at new position on the far right

  while (true) {
    matrix.setTextColor(textColor); // Set the text color

    matrix.fillScreen(0); // Blank the entire screen
    matrix.setCursor(x, 0); // Set starting point for text string
    matrix.print(msg); // Set the message string

    // Scroll text from right to left by moving the cursor position
    if (--x < -scrollingMax) {
      // Adjust for message length
      // Decrement x by one and compare new value of x to -scrollingMax;
      // This animates (moves) the text by one pixel to the left

      x = matrix.width(); // After scrolling by scrollingMax pixels, reset cursor position and start string at new position on the far right
      break; // Exit the loop after one complete scroll
    }
    matrix.show(); // Display the text/image
    delay(200); // Speed of scrolling or frame rate
  }
}
void drawRectangles() {   // f-ja za crtanje na kvadradcinja od najgolem do najmal
  matrix.fillScreen(0);
  for (int i = 0; i < matrix.width() / 2; i++) {
    matrix.drawRect(i, i, matrix.width() - i * 2 , matrix.width() - i * 2 , drawingColors[i+1]);
    matrix.show();
    delay(200);
  }
}
void drawLines() {          //funkcija za crtanje na snegulkata 
  matrix.fillScreen(0);
  matrix.drawLine(0, 0, 7, 7, BLUE);
  matrix.show();
  delay(200);
  matrix.drawLine(7, 0, 0, 7, YELLOW);
  matrix.show();
  delay(200);
  matrix.drawLine(4, 0, 4, 7, RED);
  matrix.show();
  delay(200);
  matrix.drawLine(0, 3, 7, 3, WHITE);
  matrix.show();
  delay(200);
}