import os
import helper.console as console

class Settings:
    # Directory to permanently save the file (ENV: MD_SAVEDIR)
    SaveDir = None

    # Directory to temporary download the file (ENV: MD_TMP)
    tmpDir = '/tmp'

    # Minimal debug level (ENV: MD_LOGGING)
    Debuglvl = 0

    # Minimal bitrate to auto download the file (ENV: MD_QUALITY)
    MinQuality = 300

    #Format for downloaded file ID3 comment
    CommentFormat = None

    @staticmethod
    def import_config(config):
        namespace = 'music-downloader'
        if namespace in config:
            if 'saveDir' in config[namespace]:
                Settings.SaveDir = config[namespace]['saveDir']
            if 'tmpDir' in config[namespace]:
                Settings.tmpDir = config[namespace]['tmpDir']
            if 'debuglvl' in config[namespace]:
                Settings.Debuglvl = config[namespace]['debuglvl']
            if 'minQuality' in config[namespace]:
                Settings.MinQuality = config[namespace]['minQuality']
            if 'commentFormat' in config[namespace]:
                Settings.CommentFormat = config[namespace]['commentFormat']

        if os.getenv('MD_SAVEDIR') is not None:
            console.output('Overrule MD_SAVEDIR', console.DBG_INFO)
            Settings.SaveDir = os.getenv('MD_SAVEDIR')
        if os.getenv('MD_TMP') is not None:
            console.output('Overrule MD_TMP', console.DBG_INFO)
            Settings.SaveDir = os.getenv('MD_TMP')
        if os.getenv('MD_LOGGING') is not None:
            console.output('Overrule MD_LOGGING', console.DBG_INFO)
            Settings.SaveDir = os.getenv('MD_LOGGING')
        if os.getenv('MD_QUALITY') is not None:
            console.output('Overrule MD_QUALITY', console.DBG_INFO)
            Settings.SaveDir = os.getenv('MD_QUALITY')

        Settings.SaveDir = os.path.expanduser(Settings.SaveDir)
        Settings.tmpDir = os.path.expanduser(Settings.tmpDir)