import logging

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

"""Fetches Amazon RDS versions from the version management pages on AWS docs.

Pages parsed by this script are expected to have version tables with a version in the first column and its release date
in the third column (usually named 'RDS release date').
"""

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

    for table in html.find_all("table"):
        for row in table.find_all("tr"):
            columns = row.find_all("td")
            if len(columns) <= 3:
                continue

            version_text = columns[0].text.strip()
            version_match = config.first_match(version_text)
            if not version_match:
                logging.warning(f"Skipping {version_text}: does not match any version pattern")
                continue

            version = config.render(version_match)
            date = dates.parse_date(columns[2].text)
            product_data.declare_version(version, date)