import mwparserfromhell
import json
import re
import urllib.request

URL = "https://www.unrealircd.org/docwiki/index.php?title=History_of_UnrealIRCd_releases&action=raw"
REGEX = r"^(?:(\d+\.(?:\d+\.)*\d+))$"

list = {}
with urllib.request.urlopen(URL) as response:
    text = response.read()
    wikicode = mwparserfromhell.parse(text)
    for tr in wikicode.ifilter_tags(matches=lambda node: node.tag == "tr"):
        items = tr.contents.filter_tags(matches=lambda node: node.tag == "td")
        if len(items) >= 2:
            maybe_version = items[0].__strip__()
            if re.match(REGEX, maybe_version):
                maybe_date = items[1].__strip__()
                if re.match(r"\d{4}-\d{2}-\d{2}", maybe_date):
                    list[maybe_version] = maybe_date


with open("releases/unrealircd.json", "w") as f:
    f.write(json.dumps(list, indent=2))