//DHT22 Wifi+thingspeak
#include "DHTesp.h"
#include <WiFi.h>
#include <WiFiClient.h>
#include "ThingSpeak.h"




//Configurações WiFI
#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""
//Definir o canal do Wi-Fi - aumentar a velocidade de conexão
#define WIFI_CHANNEL 6
int wifistatus = WL_IDLE_STATUS; // status inicial do Wi-Fi


const int myChannelNumber = 2681884;
const char* myApiKey = "YZT63OXRQT6LK4WK";
const char* server = "api.thingspeak.com";


const int DHT_PIN = 15;


WiFiClient client;


DHTesp dhtSensor;


float Temperatura = 0;
float Umidade = 0;




void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);


  conectawifi();
}


void loop() {
  TempAndHumidity data = dhtSensor.getTempAndHumidity();


  Temperatura = data.temperature;
  Serial.print("Temperatura: ");
  Serial.print(Temperatura);
  Serial.print("ºC ");


  Umidade = data.humidity;
  Serial.print("Umidade: ");
  Serial.print(Umidade);
  Serial.println("%");


  ThingSpeak.setField(1, Temperatura);
  ThingSpeak.setField(2, Umidade);


  int x = ThingSpeak.writeFields(myChannelNumber, myApiKey);


  if(x == 200){
    Serial.println("Dado enviado com sucesso");
  }else{
    Serial.println("Erro de envio: "+ String(x));
  }
  delay(15000);
}


void conectawifi(){
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD, WIFI_CHANNEL);
  Serial.print("Conectando ao WiFi");
  Serial.print(WIFI_SSID);


  //Esperar até conectar
  while (WiFi.status() != WL_CONNECTED){
    delay(100);
    Serial.print(".");
  }


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


  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
}