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

// Configuracion DHT11
#define DHTPIN 23 //pin del sensor DHT11
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

// set the LCD address to 0x27 for a 16 chars and 2 line display
//LiquidCrystal_I2C lcd(0x3F,16,2);  
LiquidCrystal_I2C lcd = LiquidCrystal_I2C(0x27,16,2);

// for motion-sensor
int inputPin = 4;
int inputPinb = 16;


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(inputPin, INPUT);
  pinMode(inputPinb, INPUT);
  Serial.println("Hello, ESP32!");

  // initialize the lcd
  lcd.init();                 
  // Print a message to the LCD.
  lcd.backlight();
  lcd.setCursor(3,0);
  lcd.print("Iniciando...");
  lcd.setCursor(2,1);
  lcd.print("Temp y Hum");
  delay(5000);
  lcd.clear();
  lcd.noBacklight();
}

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

  // put your main code here, to run repeatedly:
  float temperatura = dht.readTemperature();
  float humedad = dht.readHumidity();

  // validar lecturas
  if (isnan(temperatura) || isnan(humedad)) {
    Serial.println("Error leyendo el sensor DHT22");
    return;
  }

  // Publicar temperatura
  char tempStr[8];
  dtostrf(temperatura, 6, 2, tempStr); //Convertir de float a streng
  Serial.println("Temperatura publicada: ");
  Serial.println(tempStr);
  lcd.setCursor(0,0);
  lcd.print("Temp: ");
  lcd.print(tempStr);

   // Publicar humedad
  char humStr[8];
  dtostrf(humedad, 6, 2, humStr); //Convertir de float a streng
  Serial.println("Humedad publicada: ");
  Serial.println(humStr);
  lcd.setCursor(0,1);
  lcd.print("Hum: ");
  lcd.print(humStr);

  int val = digitalRead(inputPin);
  if (val == HIGH) {
    Serial.println("Motion detected!");
    lcd.backlight();
    }
  else {
    Serial.println("No Motion detected!");
    lcd.noBacklight();
    }

    int valb = digitalRead(inputPinb);
  if (valb == HIGH) {
    Serial.println("Yes Button Press");
    lcd.backlight();
    }
  else {
    Serial.println("No Button Press");
    lcd.noBacklight();
    }

  // esperar antes de enviar nuevamente
  delay(5000);
}