#!/usr/bin/env python3
# -*- coding: utf-8  -*-
#
#  config.py
#
#  Copyright 2017 Jonathan Golder <jonathan@golderweb.de>
#
#  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 2 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, write to the Free Software
#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#  MA 02110-1301, USA.
#
#
"""
This module will read config for jogobot from config file (ini-style) using
python standard library module configparser
"""

import configparser
import ast

import pywikibot


def load_config():
    """
    Reads raw configuration from file and provides it as attribute

    @param  Config-Object
    @r-type  configparser.ConfigParser
    """
    # Load configparser
    config = configparser.ConfigParser(interpolation=None)
    # Load config file
    config.read(pywikibot.config.get_base_dir() + "/jogobot.conf")

    return config


def parse_config( raw_config ):
    """
    Converts config to normal dictionary
    Parses each entry with ast.literal_eval

    @param config  Config-Object to parse
    @type config  configparser.ConfigParser

    @return  Parsed configuration
    @rtype  dict
    """
    # Convert to dict as configparser could contain only strings
    config = dict( raw_config )

    # Parse all sections
    for section in raw_config.sections():
        # Convert to dict as configparser could contain only strings
        config[section] = dict( raw_config[section] )

        # Parse config with ast.literal_eval to get python datatypes
        for key, value in config[section].items():
            config[section][key] = ast.literal_eval( value )

    return config


def root_section( config, section="jogobot" ):
    """
    Make 'section' entrys available in root level (without sections)

    @param config  Config-Object to parse
    @type config  dict

    @return  Parsed configuration
    @rtype  dict
    """
    for key, value in config[section].items():
        config[key] = value

    return config

# Load config
config = load_config()
# Parse config to get python datatypes
config = parse_config( config )
# Make jogobot section available as root
config = root_section( config )