#!/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.path
from optparse import OptionParser
from librarian import pdf, DirDocProvider, ParseError

if __name__ == '__main__':
    usage = """Usage: %prog [options] SOURCE [SOURCE...]
    Convert SOURCE files to PDF format."""

    parser = OptionParser(usage)
    parser.add_option('-v', '--verbose', action='store_true', dest='verbose', default=False,
                      help='make lots of noise and revert to default interaction in LaTeX')
    parser.add_option('-d', '--make-dir', action='store_true', dest='make_dir', default=False,
                      help='create a directory for author and put the PDF in it')
    parser.add_option('-t', '--save-tex', dest='save_tex', metavar='FILE',
                      help='path to save the intermediary LaTeX file to')
    parser.add_option('-o', '--output-file', dest='output_file', metavar='FILE',
                      help='specifies the output file')
    parser.add_option('-O', '--output-dir', dest='output_dir', metavar='DIR',
                      help='specifies the directory for output')
    parser.add_option('-m', '--morefloats', dest='morefloats', metavar='old/new/none',
                      help='force morefloats in old (<1.0c), new (>=1.0c) or none')
    (options, args) = parser.parse_args()

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

    try:
        if options.output_dir and options.output_file:
            raise ValueError("Either --output-dir or --output file should be specified")

        for main_input in args:
            if options.verbose:
                print main_input
            path, fname = os.path.realpath(main_input).rsplit('/', 1)
            provider = DirDocProvider(path)

            output_file = output_dir = None
            if options.output_dir:
                output_dir = options.output_dir
            elif options.output_file:
                output_file = options.output_file
            else:
                output_dir = path

            pdf.transform(provider, 
                file_path=main_input, 
                output_file=output_file, 
                output_dir=output_dir,
                verbose=options.verbose,
                make_dir=options.make_dir,
                save_tex=options.save_tex,
                morefloats=options.morefloats
                )
    except ParseError, e:
        print '%(file)s:%(name)s:%(message)s; use -v to see more output' % {
            'file': main_input,
            'name': e.__class__.__name__,
            'message': e.message
        }