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#!/usr/bin/env python3
#
# The MIT License (MIT)
#
# Copyright (c) 2018 Daniel Moch
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
from readingplan import ReadingPlan
from sys import argv
import configparser

def print_usage():
    print('Usage: generate_schedule [config]')
    print('\tconfig - Path to schedule config file (default: schedule.ini)')

def generate_schedule(configfile='schedule.ini'):
    """
    Generate the reading plan, using the ReadingPlan class as a
    generator. This function takes the day-of-week that January 1st
    falls on as its single parameter.
    """
    config = configparser.ConfigParser()
    config.read(configfile)
    plan = ReadingPlan()
    plan.build_plan(config)
    while not plan.done:
        print(plan.next_reading())

if __name__ == "__main__":
    if len(argv) > 2:
        print_usage()
        exit(1)
    elif len(argv) < 2:
        generate_schedule()
    else:
        generate_schedule(argv[1])