#include <WiFi.h>
#include <HTTPClient.h>

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const int irSSwi1 = 12;
const int irSSwi2 = 13;
const int irSSwi3 = 14;
int nowAt=0;

void setup() {
  Serial.begin(9600);

  connectToWiFi();
  
  pinMode(irSSwi1, INPUT);
  pinMode(irSSwi2, INPUT);
  pinMode(irSSwi3, INPUT);
}

void connectToWiFi() {
  Serial.print("Connecting to WiFi");
  WiFi.begin(ssid, password);
  //WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }
  Serial.println(" Connected!");
}

bool makeAPICall(int productId, float weight) {
  if (WiFi.status() == WL_CONNECTED) {
    HTTPClient http;
    http.begin("http://apiesp32.000webhostapp.com/myAPI/weight_api.php");
    http.setTimeout(5000);
    http.addHeader("Content-Type", "application/x-www-form-urlencoded");

    String httpRequestData = "weight=" + String(weight) + "&product_id=" + String(productId);

    int httpResponseCode = http.POST(httpRequestData);

    if (httpResponseCode > 1) {
      String response = http.getString();
      Serial.println("HTTP Response code: " + String(httpResponseCode));
      Serial.println("Response: " + response);
      http.end();
      return true;
    } else {
      Serial.println("Error on sending POST: " + String(httpResponseCode));
      http.end();
      return false;
    }
  } else {
    Serial.println("Error in WiFi connection");
    return false;
  }
}

void loop() {


  int irSSwi1S = digitalRead(irSSwi1);
  int irSSwi2S = digitalRead(irSSwi2);
  int irSSwi3S = digitalRead(irSSwi3);


  if (WiFi.status() == WL_CONNECTED) {
       switch (irSSwi1S) {
      case HIGH:
       // Serial.println("Object detected by Sensor One!");
        break;
      default:
      if (nowAt != 1) {
        Serial.println("No object detected by Sensor One.");
        if (makeAPICall(1, 10)) {
          nowAt = 1;
        }
      }
        break;
    }
    switch (irSSwi2S) {
      case HIGH:
       // Serial.println("Object detected by Sensor Two!");
        break;
      default:
       if (nowAt != 2) {
        Serial.println("No object detected by Sensor Two.");
        if (makeAPICall(2, 10)) {
          nowAt = 2;
        }
      }
        break;
    }
    switch (irSSwi3S) {
      case HIGH:
       // Serial.println("Object detected by Sensor Three!");
        break;
      default:
       if (nowAt != 3) {
        Serial.println("No object detected by Sensor Three.");
        if (makeAPICall(3, 10)) {
          nowAt = 3;
        }
      }
        break;
    }
  }else{
     connectToWiFi();
  }

}