/**
   ESP32 + DHT22 Example for Wokwi
   
   https://wokwi.com/arduino/projects/322410731508073042
*/
#include <WiFi.h>
#include "DHTesp.h"
//#include "Thingspeak.h"
#define GPIO2 2

const int DHT_PIN = 15;

DHTesp dhtSensor;

const char *ssid = "Red_Aldaz";
const char *password = "RedAldaz1234";
WiFiClient client;

// Seteo de datos para ThingSpeak.com
const int channelID = 1758758;//Identificación del canal (se obtiene de ThingSpeak.com)
String writeAPIKey = "0M1BZ4L44ZST6NAN"; //Clave de escritura API para su canal (se obtiene de ThingSpeak.com)
const char* server = "api.thingspeak.com";
const int intervalo = 15000; // Publicar datos cada 15 segundos( el mínimo es 15 segundos en la versión de prueba)

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  delay(10);
       Serial.println("Connecting to ");
       Serial.println(ssid);
  WiFi.begin(ssid, password);//Seteo red wifi y contraseña
  pinMode(2, OUTPUT);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
   Serial.println("");
    Serial.println("WiFi connected");
}

void loop() {
  
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  if (client.connect(server, 80)) {//conexión a travez del puerto 80
 
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");
   
    // Construir el cuerpo de solicitud de API
    String body = "field1=";
           body += String(data.temperature);    
    client.print("POST /update HTTP/1.1\n");
    client.print("Host: api.thingspeak.com\n");
    client.print("Connection: close\n");
    client.print("X-THINGSPEAKAPIKEY: " + writeAPIKey + "\n");
    client.print("Content-Type: application/x-www-form-urlencoded\n");
    client.print("Content-Length: ");
    client.print(body.length());
    client.print("\n\n");
    client.print(body);
    client.print("\n\n");
    Serial.println("%. Send to Thingspeak.");
  }
  client.stop();
  delay(1000);
}