import requests
import re
import json

# Logischer Name (wie im UI) → Launchpad-Quellpaketname
PACKAGES = {
    "python3": "python3-defaults",
    "nginx": "nginx",
    "openssh-server": "openssh"
}

# Ubuntu-Release (muss auf launchpad.net vorhanden sein)
UBUNTU_RELEASE = "noble"

def get_version(pkg_source, release=UBUNTU_RELEASE):
    try:
        url = f"https://launchpad.net/ubuntu/{release}/+source/{pkg_source}"
        r = requests.get(url, timeout=10)
        if r.status_code != 200:
            print(f"⚠️ Fehler {r.status_code} bei {url}")
            return None

        # Suche nach: Current version: <dd>VERSION</dd>
        match = re.search(r'Current version:</dt>\s*<dd>([^<]+)</dd>', r.text)
        return match.group(1).strip() if match else None
    except Exception as e:
        print(f"❌ Fehler bei {pkg_source}: {e}")
        return None

def generate():
    result = {}
    for display_name, source_name in PACKAGES.items():
        version = get_version(source_name)
        if version:
            result[display_name] = version
        else:
            print(f"❌ Keine Version gefunden für {display_name}")
    return result

if __name__ == "__main__":
    versions = generate()
    with open("reference_versions.json", "w") as f:
        json.dump(versions, f, indent=2)
    print("✅ Referenz gespeichert in reference_versions.json")