#!/usr/bin/python
# Copyright (C) 2010, 2011, 2012 Linaro
#
# Author: Milo Casagrande <milo.casagrande@linaro.org>
#
# This file is part of Linaro Image Tools.
#
# Linaro Image Tools 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.
#
# Linaro Image Tools 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 Linaro Image Tools; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
# USA.


import argparse
import logging
import sys
import os

from linaro_image_tools.hwpack.hwpack_convert import (
    HwpackConverter,
    HwpackConverterException,
    check_and_validate_args,
    )
from linaro_image_tools.__version__ import __version__


def get_logger(debug=False):
    ch = logging.StreamHandler()
    logger = logging.getLogger("linaro_hwpack_converter")

    if debug:
        ch.setLevel(logging.DEBUG)
        formatter = logging.Formatter(
            "%(asctime)s - %(name)s - %(levelname)s - %(message)s")
        ch.setFormatter(formatter)
        logger.setLevel(logging.DEBUG)
    else:
        ch.setLevel(logging.INFO)
        formatter = logging.Formatter("%(message)s")
        ch.setFormatter(formatter)
        logger.setLevel(logging.INFO)
        logger.addHandler(ch)

if __name__ == '__main__':
    parser = argparse.ArgumentParser(version='%(prog)s ' + __version__)
    parser.add_argument("CONFIG_FILE",
                        help="The configuration file to convert.")
    parser.add_argument("--out",
                        help="The output file name to write. If none is "
                            "given, the input file name (and path) will be "
                            "used with the '.yaml' suffix.")
    parser.add_argument("--debug", action="store_true")
    args = parser.parse_args()
    logger = get_logger(debug=args.debug)
    try:
        input_file, output_file = check_and_validate_args(args)
        print "Converting '%s' into new YAML format..." % (input_file)
        converter = HwpackConverter(input_file, output_file)
    except HwpackConverterException, e:
        sys.stderr.write(str(e) + "\n")
        sys.exit(1)
    converter.convert()
    print "File '%s' converted in '%s'." % (input_file, output_file)