// #include <ESP8266WiFi.h>
#include <WiFi.h>

//wifi config 
char ssid[] = "Wokwi-GUEST";//your wifi name
char pass[] = ""; //your wifi pass


const char* host = "maker.ifttt.com";

//nodemcu pin conig 
int trigPin = 4;
int echoPin = 5;

void setup() 
{
   pinMode(trigPin, OUTPUT); 
   pinMode(echoPin, INPUT);
  
    Serial.begin(115200);
    Serial.println("Nodemcu telegram call");
    delay(100);
    delay(1000);

   connectWiFi();   
}

void loop()
{
      WiFiClient client; 
       int httpPort = 80;  
      if (!client.connect(host, httpPort)) 
      {  
         Serial.println("connection failed");  
         
      } 
     int duration, distance;
     digitalWrite(trigPin, LOW);
     delayMicroseconds(2);
     digitalWrite(trigPin, HIGH);
     delayMicroseconds(10);
     digitalWrite(trigPin, LOW);
     duration = pulseIn(echoPin, HIGH);
     distance = duration*0.034/2;


     if (distance <= 50 && distance >= 0)
     
      {             
            String url = "/trigger/e_shwar/with/key/jVu2VFoJZLRXZCbRKOBAwNiP2qElT4c7RR--FmdRNIP"; 
            Serial.print("Requesting URL: ");
            Serial.println(url);                 
            client.print(String("GET ") + url + " HTTP/1.1\r\n" + "Host: " + host + "\r\n" + "Connection: close\r\n\r\n");
      }  
      else                    
      {
           Serial.println("Object Not Detected");            
      }
          
      delay(1000);  

  
    while((!(WiFi.status() == WL_CONNECTED)))
    {
      connectWiFi();
    } 
}


void connectWiFi()
{ 
  pinMode(2, OUTPUT);
  int i=0;
  WiFi.disconnect();
  //WiFi.mode(WIFI_STA);
  Serial.println("Connecting to wifi......");
 
  WiFi.begin(ssid, pass);
  while ((!(WiFi.status() == WL_CONNECTED)))
  {
    digitalWrite(2,HIGH);
    delay(300);
    digitalWrite(2,LOW);
    delay(200);
    
    Serial.println(" - ");
    
    i++;
    if( i>10 )    
    { 
     return;
    }
  }
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("NodeMCU Local IP is : ");
  Serial.print((WiFi.localIP()));

  
  digitalWrite(2,HIGH);
  delay(400);
  digitalWrite(2,LOW);

}