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

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define BTN_PIN 5 // Assuming the push button is connected to GPIO pin 5

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

const char* messages[] = {
  "Assalamualaikum",
  "Apa Kabar Niih?",
  "Semoga Baik yaaaa",
  "   Tidak Banyak yang    Ingin",
  "disampaikan  Perihal rasa yang pernah ada",
  "     yang belum           tersampaikan",
  "I Love You"
};

int currentMessageIndex = 0;

void setup() {
  Serial.begin(115200);

  pinMode(BTN_PIN, INPUT_PULLUP); // Set the push button pin as input with internal pull-up resistor

  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for (;;);
  }
  delay(300);
  display.clearDisplay();

  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0, 0);
  display.println(messages[currentMessageIndex]);
  display.display();
}

void loop() {
  if (digitalRead(BTN_PIN) == LOW) { // Check if the button is pressed
    delay(1000); // Debounce delay
    currentMessageIndex = (currentMessageIndex + 1) % (sizeof(messages) / sizeof(messages[0]));

    display.clearDisplay();
    display.setTextSize(1);
    display.setTextColor(WHITE);
    display.setCursor(0, 0);
    display.println(messages[currentMessageIndex]);
    display.display();
  }
}