#include <DHT.h>
#include <LiquidCrystal_I2C.h>
#include <WiFi.h>

#define DHT_PIN 12
#define DHT_TYPE DHT22
#define BUTTON_PIN 15

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);
DHT dht(DHT_PIN, DHT_TYPE);

void setup() {
  Serial.begin(9600);
  Serial.println("Hello, ESP32!");
  Serial.print("Connecting to WiFi");

  WiFi.begin("Wokwi-GUEST", "", 6);

  while (WiFi.status() != WL_CONNECTED){
    delay(100);
    Serial.print(".");
  }
  Serial.println("Connected!");
  String ipAddress = WiFi.localIP().toString();
  Serial.print("IP Address: ");
  Serial.println(ipAddress);

  dht.begin();
  pinMode(BUTTON_PIN, INPUT_PULLUP);

  LCD.init();
  LCD.backlight();
  LCD.setCursor(0, 0);
  LCD.print("IP:");
  LCD.setCursor(0, 1);
  LCD.print(ipAddress);
  
  delay(5000);

  LCD.clear();
}

void loop(){
  if (digitalRead(BUTTON_PIN) == LOW) {
    float t = dht.readTemperature();
    float h = dht.readHumidity();

  Serial.print("Temperature: ");
  Serial.println(t);
  Serial.print("Humidity: ");
  Serial.println(h);
  Serial.println("");

  LCD.setCursor(3, 0);
  LCD.print(t);
  LCD.print(" C");
  LCD.setCursor(3, 1);
  LCD.print(h);
  LCD.print(" %");

  delay(1000);
  }
}