import json
from datetime import datetime
import urllib.request
from bs4 import BeautifulSoup

URL = "https://docs.plesk.com/release-notes/obsidian/change-log"
PRODUCT = "plesk"


def make_bs_request(url):
    req = urllib.request.Request(url)
    with urllib.request.urlopen(req, timeout=5) as response:
        return BeautifulSoup(response.read(), features="html5lib")


# Only 18.0.20.3 and later will be picked up :
# - format of the title for 18.0.20 and 18.0.19 are different,
# - there is not entry for GA of version 18.0.18 and older.
def fetch_releases():
    result = {}

    soup = make_bs_request(URL)
    releases = soup.find_all("div", class_="changelog-entry--obsidian")
    for release in releases:
        version = release.h2.text.strip()
        if not version.startswith('Plesk Obsidian 18'):
            continue

        version = version.replace(' Update ', '.').replace('Plesk Obsidian ', '')
        if ' ' in version:
            continue
        date = datetime.strptime(release.p.text.strip(), '%d %B %Y').strftime("%Y-%m-%d")
        result[version] = date
        print(f"{version}: {date}")

    return result


def main():
    print(f"::group::{PRODUCT}")

    releases = fetch_releases()
    with open(f"releases/{PRODUCT}.json", "w") as f:
        f.write(json.dumps(dict(
            # sort by date then version (desc)
            sorted(releases.items(), key=lambda x: (x[1], x[0]), reverse=True)
        ), indent=2))

    print("::endgroup::")


if __name__ == '__main__':
    main()