#include "DHTesp.h"
#include <LiquidCrystal_I2C.h>
#define I2C_ADDR 0X27
#define LCD_COLUMNS 20
#define LCD_LINES 4

int LEDred = 32;
int LEDblue = 33;
int PB = 17;
int Buzzer = 4;

int PB_value = 0;

DHTesp dhtSensor;
TempAndHumidity data;
const int DHT_PIN = 15;

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

void setup()
{
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  lcd.init();
  lcd.backlight();


Serial.begin(115200);
Serial.println("Hello,ESP32!");
pinMode(LEDred, OUTPUT);
pinMode(LEDblue, OUTPUT);
pinMode(PB, INPUT);
pinMode(Buzzer, OUTPUT);

}

void loop(){

  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 1) + "°C");

  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");

  lcd.setCursor(0, 0);
  lcd.print(" Temp: " + String(data.temperature, 1) + "\xDF"+"C ");
  lcd.setCursor(0, 1);
  lcd.print(" Humidity: " + String(data.humidity, 1) + "% ");
  lcd.print("Wokwi Online IoT");

  delay(1000);


  PB_value = digitalRead(PB);
  float (TemperatureRead);

  if(PB_value == 1 )
  {
    digitalWrite(LEDred, HIGH);
    delay(500); //this speeds up the simulation

    digitalWrite(LEDred, LOW);
    delay(500); //this speeds up the simulation

    digitalWrite(LEDblue, LOW);
    delay(500);

    digitalWrite(LEDblue, HIGH);
    delay(500); //this speeds up the simulation
  } else{
    digitalWrite(LEDred, LOW);
    delay(500);
    digitalWrite(LEDblue, LOW);
    delay(500);
  }

  if(data.temperature > 40)
  {
    tone(Buzzer, 5000);
  }
  else
  {
    noTone(Buzzer);
  }

  delay(100);
}