import argparse

from cron_descriptor import CasingTypeEnum, ExpressionDescriptor, Options

parser = argparse.ArgumentParser(prog='cron_descriptor')
parser.add_argument('expression')
parser.add_argument('-c', '--casing',
                    choices=[v for v in vars(CasingTypeEnum)
                             if not v.startswith('_')],
                    default='Sentence')
parser.add_argument('-v', '--verbose', action='store_true')
parser.add_argument('-W', '--one-indexed-week', action='store_true')
parser.add_argument('-H', '--use-24-hour-time-format', action='store_true')

args = parser.parse_args()

options = Options()
options.casing_type = getattr(CasingTypeEnum, args.casing)
options.verbose = args.verbose
options.day_of_week_start_index_zero = not args.one_indexed_week
options.use_24hour_time_format = args.use_24_hour_time_format

descriptor = ExpressionDescriptor(args.expression, options)

print(str(descriptor))