# -*- coding: utf-8 -*-

"""
    Poseidon Add-on
    Copyright (C) 2016 Poseidon

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""

import json, re


def json_load_as_str(file_handle):
    return byteify(json.load(file_handle, object_hook=byteify), ignore_dicts=True)


def json_loads_as_str(json_text):
    return byteify(json.loads(json_text, object_hook=byteify), ignore_dicts=True)


def byteify(data, ignore_dicts=False):
    if isinstance(data, unicode):
        return data.encode('utf-8')
    if isinstance(data, list):
        return [byteify(item, ignore_dicts=True) for item in data]
    if isinstance(data, dict) and not ignore_dicts:
        return dict([(byteify(key, ignore_dicts=True), byteify(value, ignore_dicts=True)) for key, value in data.iteritems()])
    return data

def title_key(title):
    try:
        if title is None: title = ''
        articles_en = ['the', 'a', 'an']
        articles_de = ['der', 'die', 'das']
        articles = articles_en + articles_de

        match = re.match('^((\w+)\s+)', title.lower())
        if match and match.group(2) in articles:
            offset = len(match.group(1))
        else:
            offset = 0

        return title[offset:]
    except:
        return title