/*
  Example from WiFi > WiFiScan
  Complete details at https://RandomNerdTutorials.com/esp32-useful-wi-fi-functions-arduino/
*/

#include "WiFi.h"
#include <HTTPClient.h>
String url = "https://test-project-493a0-default-rtdb.firebaseio.com/zarah/led.json";

#define LED 23
#define LED1 22
#define LED2 21
#define LED3 19
#define LED4 18

const char* ssid = "Wokwi-GUEST";
const char* password = "";

WiFiServer server(80);
void initWiFi() {
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi ..");
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print('.');
    delay(1000);
  }
  Serial.println(WiFi.localIP());
}

void setup() {
  Serial.begin(115200);
  WiFi.disconnect();
  //  delay(100);

  initWiFi();
  server.begin();
  pinMode(LED, OUTPUT);
}

void loop() {
  HTTPClient http;
  http.begin(url.c_str());
  int httpResponseCode = http.GET();

  if (httpResponseCode > 0) {
    Serial.print("HTTP Response code: ");
    Serial.println(httpResponseCode);
    String payload = http.getString();
    Serial.println(payload);
    int val=payload.toInt();
    if(val<=100)
    {
       Serial.println(payload);
       digitalWrite(LED,payload.toInt());
    }
else{
  digitalWrite(LED, LOW);
}
  if(val<=200 && val>=101)
    {
       Serial.println(payload);
       digitalWrite(LED1,payload.toInt());
    }
else{
  digitalWrite(LED1, LOW);
}
  if(val<=300 && val>=201)
    {
       Serial.println(payload);
       digitalWrite(LED2,payload.toInt());
    }
else{
  digitalWrite(LED2, LOW);
}
  if(val<=400 && val>=301)
    {
       Serial.println(payload);
       digitalWrite(LED3,payload.toInt());
    }
else{
  digitalWrite(LED3, LOW);
}
  if(val<=500 && val>=401)
    {
       Serial.println(payload);
       digitalWrite(LED4,payload.toInt());
    }
else{
  digitalWrite(LED4, LOW);
}
  }
    else {
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
  }
 
  // Free resources
  http.end();
}