/**
   ESP32 + DHT22 Example for Wokwi
   
   https://wokwi.com/arduino/projects/322410731508073042
*/

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

const char* ssid = "Wokwi-GUEST";   // your network SSID (name) 
const char* password = "";   // your network password

WiFiClient client;

unsigned long myChannelNumber = 1;
const char * myWriteAPIKey = "N3QR006VWOCNYM67";

const int DHT_PIN = 15;

DHTesp dhtSensor;

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

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

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

  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");

  int x = ThingSpeak.writeField(myChannelNumber, 1, String(data.temperature, 2), myWriteAPIKey);
  //uncomment if you want to get temperature in Fahrenheit
  //int x = ThingSpeak.writeField(myChannelNumber, 1, temperatureF, myWriteAPIKey);

  if(x == 200){
    Serial.println("Channel update successful.");
  }
  else{
    Serial.println("Problem updating channel. HTTP error code " + String(x));
  }
  delay(2000);
}