#!/usr/bin/python3

# Copyright (C) 2012, Benjamin Drung <bdrung@debian.org>
#               2018, Stefano Rivera <stefanor@debian.org>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

"""Validates that the data is up-to-date."""

import csv
import datetime
import sys

from lib.tools import convert_date, main

ROLLING_FOREVER = {
    "debian": ("sid", "experimental"),
    "ubuntu": (),
}


def validate(filename, distro):
    """Validates that the given CSV file is current.

    Returns True if the given CSV file is current and otherwise False.
    """
    content = open(filename).readlines()
    # Remove comments
    for no, line in enumerate(content):
        if line.startswith("#"):
            content[no] = "\n"
    csvreader = csv.DictReader(content)
    today = datetime.datetime.utcnow().date()

    last_release = None
    dev_releases = []
    for row in csvreader:
        created = False
        released = False
        if row["series"] in ROLLING_FOREVER[distro]:
            continue
        if row["created"]:
            created = today >= convert_date(row["created"])
        if row["release"]:
            released = today >= convert_date(row["release"])
        if created:
            if not released:
                dev_releases.append(row["codename"])
            else:
                last_release = row["codename"]

    if len(dev_releases) == 1:
        return True

    if len(dev_releases) > 1:
        print(
            "Multiple current development %s releases: %s" % (distro, dev_releases),
            file=sys.stderr,
        )
    else:
        print(
            "No current development %s release. %s is now released."
            % (distro, last_release),
            file=sys.stderr,
        )

    return False


if __name__ == "__main__":
    sys.exit(main(validate))
