import configparser
import os
from pathlib import Path
from helper import console


class Settings:
    # Collect all the setting instances
    __list__ = []

    __config__ = None

    __file__ = Path('settings.ini')

    def initialize():
        from .settingsentry import SettingEntry
        # Directory to permanently save the file (ENV: MD_SAVEDIR)
        Settings.SaveDir = SettingEntry('saveDir', 'MD_SAVEDIR', '~/Downloads', 'music-downloader', os.path.expanduser)

        # Directory to temporary download the file (ENV: MD_TMP)
        Settings.tmpDir = SettingEntry('tmpDir', 'MD_TMP', '~/tmp', 'music-downloader', os.path.expanduser)

        # Minimal debug level (ENV: MD_LOGGING)
        Settings.Debuglvl = SettingEntry('debuglvl', 'MD_LOGGING', 0, 'music-downloader', int)

        # Minimal bitrate to auto download the file (ENV: MD_QUALITY)
        Settings.MinQuality = SettingEntry('minQuality', 'MD_QUALITY', 300, 'music-downloader', int)

        # Format for downloaded file ID3 comment
        Settings.CommentFormat = SettingEntry('commentFormat', 'MD_COMMENT', '', 'music-downloader')

        # Spotify settings
        Settings.SpotifyUsername = SettingEntry(namespace='spotify', name='username')
        Settings.SpotifyClientID = SettingEntry(namespace='spotify', name='clientid')
        Settings.SpotifySecret = SettingEntry(namespace='spotify', name='secret')
        Settings.SpotifyScope = SettingEntry(namespace='spotify', name='scope', default='playlist-read-private,playlist-read-collaborative')

    def write():
        for entry in Settings.__list__:
            entry.push_config()
        console.output('Writing settings to \'{0}\''.format(Settings.__file__.absolute()), console.DBG_INFO)
        Settings.__config__.write(Settings.__file__.open('w'))

    def read():
        _config = configparser.RawConfigParser()
        if Settings.__file__.exists():
            console.output('Reading settings from \'{0}\''.format(Settings.__file__.absolute()), console.DBG_INFO)
            _config.read(Settings.__file__)
            Settings.__config__ = _config
        else:
            console.output('Settings not found at \'{0}\''.format(Settings.__file__.absolute()), console.DBG_INFO)

    SaveDir = None
    tmpDir = None
    Debuglvl = None
    MinQuality = None
    CommentFormat = None
    SpotifyUsername = None
    SpotifyClientID = None
    SpotifySecret = None
    SpotifyScope = None