#!/usr/bin/env python3
# Copyright 2016 The Font Bakery Authors.
# Copyright 2017 The Google Font Tools Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import os
import argparse
import glob
import logging
from fontTools import ttLib


# set up some command line argument processing
parser = argparse.ArgumentParser(description="Print vendorID"
                                             " of TTF files")
parser.add_argument('arg_filepaths', nargs='+',
                    help='font file path(s) to check.'
                         ' Wildcards like *.ttf are allowed.')


def main(args=None):
  # set up a basic logging config
  # to include timestamps
  # log_format = '%(asctime)s %(levelname)-8s %(message)s'
  global font
  log_format = '%(levelname)-8s %(message)s  '
  logger = logging.getLogger()
  handler = logging.StreamHandler()
  formatter = logging.Formatter(log_format)
  handler.setFormatter(formatter)
  logger.addHandler(handler)
  args = parser.parse_args(args)

  # ------------------------------------------------------
  logging.debug("Checking each file is a ttf")
  fonts_to_check = []
  for arg_filepath in sorted(args.arg_filepaths):
    # use glob.glob to accept *.ttf
    for fullpath in glob.glob(arg_filepath):
      file_path, file_name = os.path.split(fullpath)
      if file_name.endswith(".ttf"):
        fonts_to_check.append(fullpath)
      else:
        logging.warning("Skipping '{}' as it does not seem "
                        "to be valid TrueType font file.".format(file_name))
  fonts_to_check.sort()

  if fonts_to_check == []:
    logging.error("None of the fonts are valid TrueType files!")

 # ------------------------------------------------------
  for font_file in fonts_to_check:
    font = ttLib.TTFont(font_file)
    logging.info("OK: {} opened with fontTools".format(font_file))

    # ----------------------------------------------------
    vid = font['OS/2'].achVendID
    print("[{}]: {}".format(vid, font_file))


__author__ = "The Google Fonts Tools Authors"
if __name__ == '__main__':
  main()

