#
# treeinfo.py
#
# Copyright (C) 2010-2015 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Red Hat Author(s):  Martin Gracik <mgracik@redhat.com>
#

import logging
logger = logging.getLogger("pylorax.treeinfo")

import configparser
import os
import time


class TreeInfo(object):

    def __init__(self, product, version, variant, basearch,
                 packagedir=""):

        self.c = configparser.ConfigParser()

        if 'SOURCE_DATE_EPOCH' in os.environ:
            timestamp = os.environ['SOURCE_DATE_EPOCH']
        else:
            timestamp = str(time.time())

        section = "general"
        data = {"timestamp": timestamp,
                "family": product,
                "version": version,
                "name": "%s-%s" % (product, version),
                "variant": variant or "",
                "arch": basearch,
                "packagedir": packagedir}

        self.c.add_section(section)
        list(self.c.set(section, key, value) for key, value in data.items())

    def add_section(self, section, data):
        if not self.c.has_section(section):
            self.c.add_section(section)

        list(self.c.set(section, key, value) for key, value in data.items())

    def write(self, outfile):
        logger.info("writing .treeinfo file")
        with open(outfile, "w") as fobj:
            self.c.write(fobj)