#!python

from __future__ import print_function

import argparse
import sys

import jokekappa


class JokeKappaCLI(object):

    def __init__(self):
        parser = argparse.ArgumentParser(
            prog='jokekappa',
            description='humor is a serious thing, you should take it seriously',
        )
        self.parser = parser
        self.parser.add_argument('-v', '--version', action='version', version=jokekappa.__version__)

        self.subparsers = parser.add_subparsers(title='sub commands')
        self.subparsers \
            .add_parser('one', help='print one joke randomly') \
            .set_defaults(func=self.tell_joke)
        self.subparsers \
            .add_parser('all', help='print all jokes') \
            .set_defaults(func=self.tell_jokes)
        self.subparsers \
            .add_parser('update', help='update jokes from sources') \
            .set_defaults(func=self.update_jokes)

    def parse_args(self):
        if len(sys.argv) == 1:
            namespace = self.parser.parse_args(['one', ])
        else:
            namespace = self.parser.parse_args()
        namespace.func()

    def tell_joke(self):
        joke = jokekappa.get_joke()
        print(joke['content'])

    def tell_jokes(self):
        for joke in jokekappa.get_jokes():
            print(joke['content'])

    def update_jokes(self):
        jokekappa.update_jokes()
        print('Done')


def main():
    JokeKappaCLI().parse_args()


if __name__ == '__main__':
    main()
