#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <qrcode.h>

// OLED display dimensions
#define OLED_WIDTH 128
#define OLED_HEIGHT 64

// OLED display object
Adafruit_SSD1306 display(OLED_WIDTH, OLED_HEIGHT, &Wire, -1);

void setup() {
  // Initialize the OLED display
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
  creditsPage("https://www.instagram.com/p/DCvOtfPzVn9/?next=%2F");
}

void loop() {}

void creditsPage(const char* text) {
  QRCode qrcode; //object
 
  uint8_t qrcodeData[qrcode_getBufferSize(3)]; //Define the size of the QR code 
  qrcode_initText(&qrcode, qrcodeData, 3, 0, text);

  display.clearDisplay();
  int scale = min(OLED_WIDTH / qrcode.size, OLED_HEIGHT / qrcode.size); // Calculate the scale factor

  int shiftX = 70; //Right justified
  int shiftY = 0; //vertical shift

  // Draw the QR code on the display
  for (uint8_t y = 0; y < qrcode.size; y++) {
    for (uint8_t x = 0; x < qrcode.size; x++) {
      if (qrcode_getModule(&qrcode, x, y)) {
        display.fillRect(shiftX+x * scale, shiftY + y*scale, scale, scale, WHITE);
      }
    }
  }


  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(10, 0);
  display.print("About:");
  display.drawLine(10, 8, 40, 8, 1);

  display.setCursor(0, 14);
  display.print("-BajaBlstrs");

  display.setCursor(0, 24);
  display.print("-David Z.");

  display.setCursor(0, 34);
  display.print("-Eugenio S.");

  display.display();
}