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


// define oled parameters
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET -1
#define SCREEN_ADDRESS 0x3c

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

//buttons
int pushbutton = 16;
int ledpin = 4;

void setup() {


  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  // display inisialization
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    for (;;); // Don't proceed, loop forever for loop runs forever
  }

  display.display();
  delay(1000);

  display.clearDisplay();

  print_line("Hello", 1, 1, 1);
  delay(1000);

  print_line("World", 1, 10, 1);
  delay(1000);

  //wifi inizialization
  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(250);
    display.clearDisplay();
    print_line("Wifi connecting...", 0, 0, 2);
  }

  display.clearDisplay();
  print_line("Wifi connected", 0, 0, 2);
  delay(1000);
  display.clearDisplay();
  display.display();


  pinMode(pushbutton, INPUT);
  pinMode(ledpin, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
  int x = digitalRead(pushbutton);

  if (x == LOW) {
    digitalWrite(ledpin, HIGH);
    display.clearDisplay();
    print_line("hi guyes", 1, 1, 2);
  }

  if (x == HIGH) {
    digitalWrite(ledpin, LOW);
    display.clearDisplay();
    print_line("Hi world", 1, 1, 2);
  }
}
void print_line(String text, int column, int row, int text_size) {
  display.setTextSize(text_size);
  display.setTextColor(WHITE);
  display.setCursor(column, row);
  display.println(text);
  display.display();
}