#!/usr/bin/env python3
"""
Fetch and display TIDY-CRE dashboard information.
Usage: fetch_dashboard.py [host] [port] [timeout]
"""

import sys
import urllib.request
import urllib.error
import json


def fetch_dashboard(host: str, port: int, timeout: float):
    """Fetch the dashboard HTML and extract key info."""
    url = f"http://{host}:{port}/"
    
    try:
        req = urllib.request.Request(url, method='GET')
        with urllib.request.urlopen(req, timeout=timeout) as response:
            html = response.read().decode('utf-8')
            
            print(f"[OK] Dashboard fetched from {url}")
            print(f"  - Status: {response.status}")
            print(f"  - Content-Type: {response.headers.get('Content-Type', 'unknown')}")
            print(f"  - Content-Length: {len(html)} bytes")
            
            # Try to extract title
            import re
            title_match = re.search(r'<title>(.*?)</title>', html, re.IGNORECASE)
            if title_match:
                print(f"  - Page Title: {title_match.group(1)}")
            
            return True
    except urllib.error.HTTPError as e:
        print(f"[FAIL] HTTP Error {e.code}: {e.reason}")
        return False
    except urllib.error.URLError as e:
        print(f"[FAIL] URL Error: {e.reason}")
        return False
    except Exception as e:
        print(f"[FAIL] Error: {e}")
        return False


def main():
    host = sys.argv[1] if len(sys.argv) > 1 else "127.0.0.1"
    port = int(sys.argv[2]) if len(sys.argv) > 2 else 18789
    timeout = float(sys.argv[3]) if len(sys.argv) > 3 else 5.0
    
    result = fetch_dashboard(host, port, timeout)
    sys.exit(0 if result else 1)


if __name__ == "__main__":
    main()