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

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

const String url = "http://3579-196-115-68-63.ngrok-free.app/api/receive_code/";

void setup() {
  Serial.begin(115200);

  // Connect to Wi-Fi
  Serial.print("Connecting to WiFi...");
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.print("OK! IP=");
  Serial.println(WiFi.localIP());

  // Check if we can access the internet (ping to Google DNS)
  WiFiClient client;
  if (client.connect("8.8.8.8", 80)) {
    Serial.println("Ping to Google DNS successful!");
  } else {
    Serial.println("Ping failed!");
  }

  // Send code (e.g., 1234) to the Django server
  HTTPClient http;
  WiFiClientSecure secureClient;  // Use secure client for HTTPS

  // Disable SSL certificate verification for testing
  secureClient.setInsecure();  // This disables certificate validation

  // Start the HTTP request
  http.begin(secureClient, url);
  http.addHeader("Content-Type", "application/json"); // Specify content-type as JSON

  // Create JSON payload
  String jsonPayload = "{\"code\": 1234}";

  // Send POST request with the payload
  Serial.print("Sending POST request to: ");
  Serial.println(url);
  
  int httpResponseCode = http.POST(jsonPayload);  // Send POST with JSON payload

  // Check the response from the server
  if (httpResponseCode > 0) {
    Serial.print("HTTP Response Code: ");
    Serial.println(httpResponseCode);
    String payload = http.getString();  // Get the server's response
    Serial.println("Server Response: ");
    Serial.println(payload);
  } else {
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
    Serial.println(":-(");
  }

  // Close the HTTP connection
  http.end();
}

void loop() {
  // Do nothing in the loop
  delay(100);
}