import logging
import re

from common import dates, http
from common.releasedata import ProductData, config_from_argv

"""Fetches releases from VirtualBox download page."""

EOL_REGEX = re.compile(r"^\(no longer supported, support ended (?P<value>\d{4}/\d{2})\)$")

config = config_from_argv()
with ProductData(config.product) as product_data:
    html = http.fetch_html(config.url)


    for li in html.select_one("#DownloadVirtualBoxOldBuilds + ul").find_all("li"):
        li_text = li.find("a").text.strip()

        release_match = config.first_match(li_text)
        if not release_match:
            logging.info(f"Skipping '{li_text}': does not match expected pattern")
            continue

        release_name = release_match.group("value")
        release = product_data.get_release(release_name)

        eol_text = li.find("em").text.lower().strip()
        eol_match = EOL_REGEX.match(eol_text)
        if not eol_match:
            logging.info(f"Ignoring '{eol_text}': does not match {EOL_REGEX}")
            continue

        eol_date_str = eol_match.group("value")
        eol_date = dates.parse_month_year_date(eol_date_str)
        release.set_eol(eol_date)