#!/usr/bin/env python3
#-*- coding: utf-8 -*-

"""
Get a fortune from a JSON file.

File is under EUPL1.2
Author: kujiu
"""

import json
import argparse
import logging

import sys
import os.path
import random

logger = logging.getLogger(__name__)

ch = logging.StreamHandler(sys.stderr)
ch.setLevel(logging.WARNING)
logger.addHandler(ch)

def get_quote(srcfile):
    """
    Get a quote
    """
    with open(srcfile) as fin:
        quotes = json.load(fin)

    quote = ""
    count = 0
    while not quote and count < 50:
        count += 1
        lang = random.choice([lang for lang in quotes.keys()])
        category = random.choice([cat for cat in quotes[lang].keys()])
        if not quotes[lang][category]:
            continue
        author = random.choice(
            [author for author in quotes[lang][category].keys()])
        if not quotes[lang][category][author]:
            continue
        quote = random.choice(quotes[lang][category][author])
    if quote:
        quote += "\n-- %s" % author

    return quote

if __name__ == '__main__':
    parser = argparse.ArgumentParser(description="Get a quote from JSON file.")
    parser.add_argument(
        '--source', default='~/.fortunes.json',
        help='JSON file with quotes')
    options = parser.parse_args()

    source = os.path.expanduser(
        os.path.expandvars(options.source)
    )

    print(get_quote(source))