"""Register (or inspect) the Telegram webhook for the JAA resume bot.

Usage (from your machine — token can come from env or arg):
  python scripts/telegram_set_webhook.py set   https://<your-space>.hf.space
  python scripts/telegram_set_webhook.py info
  python scripts/telegram_set_webhook.py delete

Env:
  TELEGRAM_BOT_TOKEN        (required)
  TELEGRAM_WEBHOOK_SECRET   (optional but recommended — must match the HF secret)
"""
import os
import sys
import json
import urllib.request
import urllib.parse


def _call(token: str, method: str, params: dict) -> dict:
    url = f"https://api.telegram.org/bot{token}/{method}"
    data = urllib.parse.urlencode(params).encode() if params else None
    with urllib.request.urlopen(urllib.request.Request(url, data=data), timeout=30) as r:
        return json.loads(r.read().decode())


def main() -> int:
    token = os.getenv("TELEGRAM_BOT_TOKEN", "").strip()
    if not token:
        print("Set TELEGRAM_BOT_TOKEN first.")
        return 1
    secret = os.getenv("TELEGRAM_WEBHOOK_SECRET", "").strip()
    action = sys.argv[1] if len(sys.argv) > 1 else "info"

    if action == "set":
        if len(sys.argv) < 3:
            print("Usage: telegram_set_webhook.py set https://<space>.hf.space")
            return 1
        base = sys.argv[2].rstrip("/")
        params = {"url": f"{base}/telegram/webhook",
                  "allowed_updates": json.dumps(["message", "edited_message"])}
        if secret:
            params["secret_token"] = secret
        print(json.dumps(_call(token, "setWebhook", params), indent=2))
    elif action == "delete":
        print(json.dumps(_call(token, "deleteWebhook", {}), indent=2))
    else:
        print(json.dumps(_call(token, "getWebhookInfo", {}), indent=2))
    return 0


if __name__ == "__main__":
    raise SystemExit(main())