// Importar las librerias
#include <WiFi.h>
#include "DHTesp.h"
#include "ThingSpeak.h"
#include <Adafruit_Sensor.h>

// Pin de DHT_PIN
const int DHT_PIN = 15;
const char* ssid = "Wokwi-GUEST";
const char* pass = "";

//Variable de WIFI
WiFiClient client;


//Variables para la conexion con el Servidor IOT
unsigned long myChannelNumber = 2;
const char* myWriteAPIKey = "S0XW776DORDTOXM3";
const char* server = "api.thingspeak.com";

//Variable de Sensores
int temperatureC;
int humidity;
DHTesp dhtSensor;

//Variables de los PINES
const int PIN_LED_ROJO = 18;
const int PIN_LED_AZUL = 19;


//Declaracion de variables
void setup(){
  //Para leer el DHT222
	Serial.begin(115200);
	dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
	dhtSensor.getPin();
	delay(10);
  //Para la conexion de WIFI con el Servidor IOT
	WiFi.begin(ssid, pass);
	while(WiFi.status() != WL_CONNECTED){
		delay(100);
		Serial.println(".");
	}
	Serial.println("WiFi Connected!");
	Serial.println(WiFi.localIP());
	WiFi.mode(WIFI_STA);
	ThingSpeak.begin(client);
  //Para declarar los pines de los LED
  pinMode(PIN_LED_ROJO, OUTPUT);
  pinMode(PIN_LED_AZUL, OUTPUT);

}

void loop(){
  //Lectura del sensor de temperatura
	temperatureC = dhtSensor.getTemperature();
	Serial.print("Temperature (ºC): ");
	Serial.println(temperatureC);
  if (temperatureC > 30){
    digitalWrite(PIN_LED_ROJO, HIGH);
  }
  else{
    digitalWrite(PIN_LED_ROJO, LOW); 
  }
  //Lectura del sensor de humedad
	humidity = dhtSensor.getHumidity();
	Serial.print("Humidity (%); ");
	Serial.println(humidity);
  if (humidity > 50){
    digitalWrite(PIN_LED_AZUL, HIGH); 
  }
  else{
    digitalWrite(PIN_LED_AZUL, LOW); 
  }
  //Para enviar a la informacion al servidor IOT
	ThingSpeak.setField(1, temperatureC);
	ThingSpeak.setField(2, humidity);
  //Para verificar la conexion
	int x = ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);
	if (x == 200){
		Serial.println("Channel update Successful.");
	}
	else{
		Serial.println("Problem updating channel. HTTP error code " + String(x));	
	}
}