from dataclasses import dataclass

from voicemeeterlib import kinds

from .configurations import get_configuration

configuration = get_configuration('app')


class SingletonMeta(type):
    _instances = {}

    def __call__(cls, *args, **kwargs):
        if cls not in cls._instances:
            instance = super().__call__(*args, **kwargs)
            cls._instances[cls] = instance
        return cls._instances[cls]


@dataclass
class Configurations(metaclass=SingletonMeta):
    # is the gui extended
    extended: bool = configuration['extends']['extended']
    # direction the gui extends
    extends_horizontal: bool = configuration['extends']['extends_horizontal']
    # are themes enabled
    themes_enabled: bool = configuration['theme']['enabled']
    # light or dark
    theme_mode: str = configuration['theme']['mode']
    # size of mousewheel scroll step
    mwscroll_step: int = configuration['mwscroll_step']['size']
    # bus assigned as current submix
    submixes: int = configuration['submixes']['default']

    # width of a single channel labelframe
    channel_width: int = configuration['channel']['width']
    # height of a single channel labelframe
    channel_height: int = configuration['channel']['height']
    # xpadding for a single channel labelframe
    channel_xpadding: int = configuration['channel']['xpadding']

    # do we grid the navigation frame?
    navigation_show: bool = configuration['navigation']['show']

    @property
    def config(self):
        if 'configs' in configuration:
            return configuration['configs']['config']


@dataclass
class BaseValues(metaclass=SingletonMeta):
    # pause updates after releasing scale
    run_update: bool = False
    # are we dragging main window with mouse 1
    dragging: bool = False
    # a vban connection established
    vban_connected: bool = False


_base_values = BaseValues()
_configuration = Configurations()

_kinds = {kind.name: kind for kind in kinds.kinds_all}

_kinds_all = _kinds.values()


def kind_get(kind_id):
    return _kinds[kind_id]