#include "ThingSpeak.h"
#include <esp_now.h>
#include <WiFi.h>
#include "DHT.h"
#include "Adafruit_Sensor.h"
#define DHTPIN 27
#define DHTTYPE DHT22
const char* ssid = "Wokwi-GUEST";   // your network SSID (name) 
const char* password = "";   // your network password
DHT dht(DHTPIN, DHTTYPE);

WiFiClient  client;
 float Humidity ;
 float Temperature;
 float Heat_Index;
unsigned long myChannelNumber =  3395329;
const char* myWriteAPIKey = "XC3K1UJ4EO4A5GAN";

// Structure example to receive data
// Must match the sender structure
int q1 = 25;
// Create a struct_message called myData




// callback function that will be executed when data is received
 
void setup() {
  // Initialize Serial Monitor
  Serial.begin(115200);
pinMode(q1,OUTPUT);  
  // Set device as a Wi-Fi Station
  WiFi.mode(WIFI_STA);
   dht.begin();
    ThingSpeak.begin(client);
}

void loop() {
 
  if(WiFi.status() != WL_CONNECTED){
      Serial.print("Attempting to connect");
      while(WiFi.status() != WL_CONNECTED){
        WiFi.begin(ssid, password); 
        delay(2000);// minimum 5 seconds required for connection
         } 
      Serial.println("\nConnected.");
      
    }
    float h = dht.readHumidity();
  // Read temperature as Celsius (the default)
  float t = dht.readTemperature();
  // Read temperature as Fahrenheit (isFahrenheit = true)
  float f = dht.readTemperature(true);

  // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t) || isnan(f)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
     float hif = dht.computeHeatIndex(f, h);
  // Compute heat index in Celsius (isFahreheit = false)
  float hic = dht.computeHeatIndex(t, h, false);

  Serial.print(F("Humidity: "));
  Serial.print(h);
  Serial.print(F("%  Temperature: "));
  Serial.print(t);
  Serial.print(F("°C "));
  Serial.print(f);
  Serial.print(F("°F  Heat index: "));
  Serial.print(hic);
  Serial.print(F("°C "));
  Serial.print(hif);
  Serial.println(F("°F"));
}
   ThingSpeak.setField(2, h);
   ThingSpeak.setField(1, t);
   ThingSpeak.setField(3, f);
  int x = ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);
    if(x == 50){
      Serial.println("Channel update successful.");
      Serial.print("Humidity = ");
      Serial.println(h);
      Serial.print("Temperature = ");
      Serial.println(t);
      Serial.print("Heat Index = ");
      Serial.println(f);
      //delay(50); 
    }
    else{
      //Serial.println("Problem updating channel. HTTP error code " + String(x));
    }
    
    delay(50);
   }