#!/usr/bin/env python3
"""
HTTP Example Action - Python Example Pack

Demonstrates using the `requests` library to make an HTTP call to example.com.
Receives parameters via stdin as JSON.
"""

import json
import sys
import urllib.request


def main():
    # Read parameters from stdin (JSON format)
    params = json.loads(sys.stdin.readline())
    url = params.get("url", "https://example.com")

    req = urllib.request.Request(url)
    with urllib.request.urlopen(req, timeout=10) as response:
        text = response.read().decode("utf-8")
        status_code = response.status
        final_url = response.url

    result = {
        "status_code": status_code,
        "url": final_url,
        "content_length": len(text),
        "snippet": text[:500],
        "success": 200 <= status_code < 400,
    }
    print(json.dumps(result))


if __name__ == "__main__":
    main()