import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;

public class TelegramNotifier {
    private static String bot_token;
    private static String chat_id;

    public static void init(String token, String chatId) {
        TelegramNotifier.bot_token = token;
        TelegramNotifier.chat_id = chatId;
    }

    public static void sendMessage(String text) {
        if (bot_token == null || chat_id == null || bot_token.isEmpty() || chat_id.isEmpty()) {
            return;
        }

        try {
            String encoded_text = URLEncoder.encode(text, StandardCharsets.UTF_8);

            String url_string = "https://api.telegram.org/bot" + bot_token +
                    "/sendMessage?chat_id=" + chat_id +
                    "&text=" + encoded_text +
                    "&parse_mode=HTML";

            URL url = new URL(url_string);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("GET");
            conn.setConnectTimeout(10000);
            conn.setReadTimeout(10000);

            int response_code = conn.getResponseCode();

            if (response_code != 200) {
                System.err.println("Ошибка Telegram API: " + response_code);
            }

        } catch (Exception e) {
            System.err.println("Не удалось отправить сообщение в Telegram:");
            e.printStackTrace();
        }
    }
}