#include "WiFi.h"
#include "DHTesp.h"
#include <LiquidCrystal_I2C.h>


const char* ssid     = "Wokwi-GUEST";
const char* password = "";

const int DHT_PIN = 15;
DHTesp dhtSensor;

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);



void ConnectWiFi_STA()
{
   Serial.println("");
   WiFi.mode(WIFI_STA);
   WiFi.begin(ssid, password);
   while (WiFi.status() != WL_CONNECTED) 
   { 
     delay(1000);  
     Serial.print("No se ha podido conectar\n");
     LCD.init();
     LCD.backlight();
     LCD.setCursor(0, 0);
     LCD.print("No se ha podido"); 
     LCD.setCursor(0, 1);
     LCD.print("conectar"); 
     digitalWrite(18, HIGH); 
     delay(500);
     digitalWrite(18, LOW);
     delay(500);  
   }
 
   Serial.println("");
   Serial.print("Iniciado STA:\t");
   Serial.println(ssid);
   Serial.print("IP address:\t");
   Serial.println(WiFi.localIP());
}

void setup()
{
  Serial.begin(115200);
  pinMode(18, OUTPUT);
  pinMode(19, OUTPUT);
  
 ConnectWiFi_STA();

  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

  LCD.init();
  LCD.backlight();
  LCD.setCursor(0, 0);
  LCD.print("Conectando a ");
  LCD.setCursor(0, 1);
  LCD.print("WiFi ");
  LCD.setCursor(0, 2);
  LCD.print(ssid);
  delay(1000);

  Serial.println("");
  Serial.println("Conectado a Wifi");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  if (WiFi.status() != WL_CONNECTED) {
    LCD.clear();
    LCD.setCursor(0, 0);
    LCD.println("Offline");
    
    
  }
  
  else{
    LCD.clear();
    LCD.setCursor(0, 0);
    LCD.println("Online");
    LCD.setCursor(9, 0);
    LCD.println(ssid);

  }
  

}
 
void loop() {

  if (WiFi.status() != WL_CONNECTED) 
   { 
     digitalWrite(18, HIGH); 
     delay(500);
     digitalWrite(18, LOW);  // pone en bajo el pin 13
     delay(500);     
   }
  
  else
    {
      digitalWrite(19, HIGH); 
      delay(500);
      digitalWrite(19, LOW);  // pone en bajo el pin 13
      delay(500);     
   }

  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  LCD.setCursor(0, 1);
  LCD.println("Temperatura: " + String(data.temperature, 1) + "C");
  LCD.setCursor(0, 2);
  LCD.println("Humedad: " + String(data.humidity, 1) + "%");
  delay(1000);
}