#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
import os
import optparse

from librarian import ParseError
from librarian.parser import WLDocument
from librarian.cover import WLCover


if __name__ == '__main__':
    # Parse commandline arguments
    usage = """Usage: %prog [options] SOURCE [SOURCE...]
    Create cover images for SOURCE files."""

    parser = optparse.OptionParser(usage=usage)

    parser.add_option('-v', '--verbose', action='store_true', dest='verbose', default=False,
        help='print status messages to stdout')

    options, input_filenames = parser.parse_args()

    if len(input_filenames) < 1:
        parser.print_help()
        exit(1)

    # Do some real work
    for input_filename in input_filenames:
        if options.verbose:
            print input_filename

        output_filename = os.path.splitext(input_filename)[0] + '.png'

        doc = WLDocument.from_file(input_filename)
        WLCover(doc.book_info).save(output_filename)