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

char ssid[] = "Wokwi-GUEST";
char pass[] = "123456789abc";
int keyIndex = 0;
WiFiClient client;

const int DHT_PIN = 23;
DHTesp dhtSensor;
float temperatura = 0;
float umidade = 0;

void reconectWiFi();
void lerSensorTempAndHumidity();
void escreveCanalThingSpeak();
void escreveCanaisThingSpeak();


void setup(){
  // put your setup code here, to run once:
  Serial.begin(115200);

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

  WiFi.mode(WIFI_STA);

  ThingSpeak.begin(client);

  WiFi.begin("Wokwi-GUEST", "", 6);

  while (WiFi.status() != WL_CONNECTED){
    Serial.print("Tentando conectar-se ao SSID WPA: ");
    Serial.println(ssid);
    delay(10000);
  }

}

void loop() {
  // put your main code here, to run repeatedly:
  reconectWiFi();
  lerSensorTempAndHumidity();
  escreveCanaisThingSpeak();

}

  void reconectWiFi(){
    if(WiFi.status() !=WL_CONNECTED){
      Serial.print("Attempting to connect to WPA SSID: ");
      Serial.println(ssid);
      while(WiFi.status() != WL_CONNECTED){
        WiFi.begin(ssid, pass);
        Serial.print(".");
        delay(5000);
      }
      Serial.println("\nConnected.");
    }
  }

  void lerSensorTempAndHumidity(){
    TempAndHumidity data = dhtSensor.getTempAndHumidity();
    temperatura  = data.temperature;
    umidade = data.humidity;
    Serial.println("Temp: " + String(data.temperature, 2) + "°C");
    Serial.println("Humidity: " + String(data.humidity, 2) + "%");
    Serial.println("---");
    delay(2000);

  }

  void escreveCanalThingSpeak(){
    int x = ThingSpeak.writeField(2624293, 1, temperatura, "0A1VB8F1Y28BL1QB");
    if(x == 200){
      Serial.println("Channel update successful.");
      }
      else{
        Serial.println("Problem updating channel. HTTP error code " + String(x));
      }
      delay(20000);
  }

  void escreveCanaisThingSpeak(){
    ThingSpeak.setField(1, temperatura);
    ThingSpeak.setField(2, umidade);

    int x = ThingSpeak.writeFields(2624293, "0A1VB8F1Y28BL1QB");
    if(x == 200){
      Serial.println("Channel update successful.");
    }
    else{
      Serial.println("Problem updating channel. HTTP error code " + String(x)); 
    }
   delay(20000);
  }