import re

from bs4 import BeautifulSoup
from common import dates, http, releasedata

# https://regex101.com/r/877ibq/1
VERSION_PATTERN = re.compile(r"RHEL (?P<major>\d)(\. ?(?P<minor>\d+))?(( Update (?P<minor2>\d))| GA)?")

with releasedata.ProductData("redhat") as product_data:
    response = http.fetch_url("https://access.redhat.com/articles/3078")
    soup = BeautifulSoup(response.text, features="html5lib")

    for tr in soup.findAll("tr"):
        td_list = tr.findAll("td")
        if len(td_list) == 0:
            continue

        version_str = td_list[0].get_text().strip()
        version_match = VERSION_PATTERN.match(version_str).groupdict()
        version = version_match["major"]
        version += ("." + version_match["minor"]) if version_match["minor"] else ""
        version += ("." + version_match["minor2"]) if version_match["minor2"] else ""
        date = dates.parse_date(td_list[1].get_text())
        product_data.declare_version(version, date)