#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <avr/pgmspace.h>

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

const char table1[] PROGMEM = {"103509335"};
const char table2[] PROGMEM = {"Jadid"};
const char table3[] PROGMEM = {"ENG20009"};
const char table4[] PROGMEM = {"Engineering Technology Inquiry Project"};
const char table5[] PROGMEM = {"Semester 1"};
const char table6[] PROGMEM = {"2023"};

char myChar;

void setup() {
  // Initialize the OLED display
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for 128x32
    Serial.println(F("SSD1306 allocation failed"));
    for (;;) {} // Don't proceed, loop forever
  }

  // Set the text color to white
  display.setTextColor(SSD1306_WHITE);

  // Set the text size to fit the screen
  display.setTextSize(1);

  // Define the starting y-coordinate for each line of text
  int yCoordinates[] = {10, 20, 30, 30, 40, 40};

  // Loop through each line of text and scroll it from right to left
  for (int i = 0; i < 6; i++) {
    const char* table = nullptr;

    // Assign the correct table based on the current line
    switch (i) {
      case 0:
        table = table1;
        break;
      case 1:
        table = table2;
        break;
      case 2:
        table = table3;
        break;
      case 3:
        table = table4;
        break;
      case 4:
        table = table5;
        break;
      case 5:
        table = table6;
        break;
      default:
        break;
    }

    // Scroll the text from right to left
    for (int j = SCREEN_WIDTH; j >= -display.getCursorX(); j--) {
      display.clearDisplay();
      display.setCursor(j, yCoordinates[i]);
      for (int k = 0; k < strlen_P(table); k++) {
        myChar = pgm_read_byte_near(table + k);
        display.print(myChar);
      }
      display.display();
      delay(1);
    }

    // Add a delay between each line of text
    delay(100);
  }
}

void loop() {
}