package itn.let.utl.user.service;

import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;

import org.springframework.stereotype.Service;

@Service("indexNowUtil")
public class IndexNowUtil {

    private static final String INDEXNOW_API_URL = "https://api.indexnow.org/indexnow";
    private static final String INDEXNOW_KEY = "d09a9f949e6e48eeb221d7a13bdb1d14"; // 🔁 여기에 실제 키 입력
    private static final String HOST = "www.munjaon.co.kr";             // 🔁 도메인만 입력 (https:// 없이)

    public static void submitUrl(String urlToSubmit) {
        try {
            URL url = new URL(INDEXNOW_API_URL);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();

            connection.setRequestMethod("POST");
            connection.setRequestProperty("Content-Type", "application/json; utf-8");
            connection.setDoOutput(true);

            // JSON 데이터 구성
            String jsonInputString = "{"
                    + "\"host\":\"" + HOST + "\","
                    + "\"key\":\"" + INDEXNOW_KEY + "\","
                    + "\"urlList\":[\"" + urlToSubmit + "\"]"
                    + "}";

            try (OutputStream os = connection.getOutputStream()) {
                byte[] input = jsonInputString.getBytes(StandardCharsets.UTF_8);
                os.write(input, 0, input.length);
            }

            int responseCode = connection.getResponseCode();
            if (responseCode == 200 || responseCode == 202) {
                System.out.println("✅ IndexNow 전송 성공: " + urlToSubmit);
            } else {
                System.out.println("❌ 전송 실패 - 응답 코드: " + responseCode + " : " + urlToSubmit);
            }

        } catch (Exception e) {
            System.err.println("🚫 오류 발생: " + e.getMessage());
        }
    }

    /*
    public static void main(String[] args) {
        // 테스트용 URL 전송
        submitUrl("https://yourdomain.com/new-post.html"); // 🔁 여기에 전송할 실제 URL 입력
    }
    */
}