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

char ssid[] = "Wokwi-GUEST";
char pass[] = "";
int  trigger = 12;
int echo = 13;
float distance;
DHTesp nd;
TempAndHumidity data;

WiFiClient client;
long myChannelNumber =  2641317;
const char * myWriteAPIKey = "MQX346P4KA1H54VS";
int statusCode;

void setup(){
  Serial.begin(115200); // Any baud rate should work
  Serial.println("Hello Arduino\n");
  nd.setup(18,DHTesp::DHT22);
  WiFi.mode(WIFI_STA);
  pinMode(15, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(trigger, OUTPUT);
  pinMode(echo, INPUT);

  ThingSpeak.begin(client);

}
int uf(){
  digitalWrite(trigger, LOW);
  delay(10);
  digitalWrite(trigger, HIGH);
  delay(100);
  digitalWrite(trigger, LOW);
  distance=pulseIn(echo, HIGH);
  return (distance*0.034/2)+1;

}
void loop(){

  if(WiFi.status() != WL_CONNECTED)
  {
  Serial.print("Attempting to connect");
    while(WiFi.status() != WL_CONNECTED)
    {
    WiFi.begin(ssid, pass); 
    Serial.print(".");
    delay(5000);
    }
  Serial.println("\nConnected.");
  } 
  
  data = nd.getTempAndHumidity();
  Serial.println("humi : " +String(data.humidity));
    Serial.println("temp : " +String(data.temperature));
    Serial.println(uf());
      Serial.println(" ____________");
      delay(1000);

      ThingSpeak.setField(1, data.temperature);
   ThingSpeak.setField(2, data.humidity);
    ThingSpeak.setField(3, uf());

  statusCode = ThingSpeak.writeFields(myChannelNumber,myWriteAPIKey);

if(statusCode == 200) {
Serial.println("Channel update successful.");
}
else {
Serial.println("Problem Writing data. HTTP error code :" +
String(statusCode));
}
  delay(10);

      if(data.temperature>30 && data.humidity>50){
        digitalWrite(2, HIGH);
        digitalWrite(15, LOW);
      }
      else if (data.temperature<30 && data.humidity<50 ){
        digitalWrite(2, LOW);
        digitalWrite(15, HIGH);

      }
      else{

      }


}