"""Lazy source registry to avoid importing every source at module import time."""

from __future__ import annotations

import importlib

from ..utils import BaseModuleBuilder
from .base import BaseMusicClient


CLIENT_IMPORT_PATHS = {
    # Platforms in Greater China
    "QQMusicClient": ("musicdl.modules.sources.qq", "QQMusicClient"),
    "KugouMusicClient": ("musicdl.modules.sources.kugou", "KugouMusicClient"),
    "StreetVoiceMusicClient": ("musicdl.modules.sources.streetvoice", "StreetVoiceMusicClient"),
    "SodaMusicClient": ("musicdl.modules.sources.soda", "SodaMusicClient"),
    "FiveSingMusicClient": ("musicdl.modules.sources.fivesing", "FiveSingMusicClient"),
    "NeteaseMusicClient": ("musicdl.modules.sources.netease", "NeteaseMusicClient"),
    "QianqianMusicClient": ("musicdl.modules.sources.qianqian", "QianqianMusicClient"),
    "MiguMusicClient": ("musicdl.modules.sources.migu", "MiguMusicClient"),
    "KuwoMusicClient": ("musicdl.modules.sources.kuwo", "KuwoMusicClient"),
    "BilibiliMusicClient": ("musicdl.modules.sources.bilibili", "BilibiliMusicClient"),
    # Global Streaming / Indie
    "YouTubeMusicClient": ("musicdl.modules.sources.youtube", "YouTubeMusicClient"),
    "JooxMusicClient": ("musicdl.modules.sources.joox", "JooxMusicClient"),
    "AppleMusicClient": ("musicdl.modules.sources.apple", "AppleMusicClient"),
    "JamendoMusicClient": ("musicdl.modules.sources.jamendo", "JamendoMusicClient"),
    "SoundCloudMusicClient": ("musicdl.modules.sources.soundcloud", "SoundCloudMusicClient"),
    "DeezerMusicClient": ("musicdl.modules.sources.deezer", "DeezerMusicClient"),
    "QobuzMusicClient": ("musicdl.modules.sources.qobuz", "QobuzMusicClient"),
    "SpotifyMusicClient": ("musicdl.modules.sources.spotify", "SpotifyMusicClient"),
    "TIDALMusicClient": ("musicdl.modules.sources.tidal", "TIDALMusicClient"),
    # Audio / Radio
    "XimalayaMusicClient": ("musicdl.modules.audiobooks.ximalaya", "XimalayaMusicClient"),
    "LizhiMusicClient": ("musicdl.modules.audiobooks.lizhi", "LizhiMusicClient"),
    "QingtingMusicClient": ("musicdl.modules.audiobooks.qingting", "QingtingMusicClient"),
    "LRTSMusicClient": ("musicdl.modules.audiobooks.lrts", "LRTSMusicClient"),
    # Aggregators / Multi-Source Gateways
    "MP3JuiceMusicClient": ("musicdl.modules.common.mp3juice", "MP3JuiceMusicClient"),
    "TuneHubMusicClient": ("musicdl.modules.common.tunehub", "TuneHubMusicClient"),
    "GDStudioMusicClient": ("musicdl.modules.common.gdstudio", "GDStudioMusicClient"),
    "MyFreeMP3MusicClient": ("musicdl.modules.common.myfreemp3", "MyFreeMP3MusicClient"),
    "JBSouMusicClient": ("musicdl.modules.common.jbsou", "JBSouMusicClient"),
    # Unofficial Download Sites / Scrapers
    "MituMusicClient": ("musicdl.modules.thirdpartysites.mitu", "MituMusicClient"),
    "BuguyyMusicClient": ("musicdl.modules.thirdpartysites.buguyy", "BuguyyMusicClient"),
    "GequbaoMusicClient": ("musicdl.modules.thirdpartysites.gequbao", "GequbaoMusicClient"),
    "YinyuedaoMusicClient": ("musicdl.modules.thirdpartysites.yinyuedao", "YinyuedaoMusicClient"),
    "FLMP3MusicClient": ("musicdl.modules.thirdpartysites.flmp3", "FLMP3MusicClient"),
    "FangpiMusicClient": ("musicdl.modules.thirdpartysites.fangpi", "FangpiMusicClient"),
    "FiveSongMusicClient": ("musicdl.modules.thirdpartysites.fivesong", "FiveSongMusicClient"),
    "KKWSMusicClient": ("musicdl.modules.thirdpartysites.kkws", "KKWSMusicClient"),
    "GequhaiMusicClient": ("musicdl.modules.thirdpartysites.gequhai", "GequhaiMusicClient"),
    "LivePOOMusicClient": ("musicdl.modules.thirdpartysites.livepoo", "LivePOOMusicClient"),
    "HTQYYMusicClient": ("musicdl.modules.thirdpartysites.htqyy", "HTQYYMusicClient"),
    "JCPOOMusicClient": ("musicdl.modules.thirdpartysites.jcpoo", "JCPOOMusicClient"),
    "TwoT58MusicClient": ("musicdl.modules.thirdpartysites.twot58", "TwoT58MusicClient"),
    "ZhuolinMusicClient": ("musicdl.modules.thirdpartysites.zhuolin", "ZhuolinMusicClient"),
}


def _load_client_class(client_name: str):
    module_path, attr_name = CLIENT_IMPORT_PATHS[client_name]
    module = importlib.import_module(module_path)
    return getattr(module, attr_name)


def _build_client_factory(client_name: str):
    def factory(**kwargs):
        return _load_client_class(client_name)(**kwargs)

    factory.__name__ = client_name
    return factory


class MusicClientBuilder(BaseModuleBuilder):
    REGISTERED_MODULES = {
        client_name: _build_client_factory(client_name)
        for client_name in CLIENT_IMPORT_PATHS
    }


def __getattr__(name: str):
    if name in CLIENT_IMPORT_PATHS:
        return _load_client_class(name)
    raise AttributeError(name)


BuildMusicClient = MusicClientBuilder().build

__all__ = ["BaseMusicClient", "BuildMusicClient", "MusicClientBuilder", *CLIENT_IMPORT_PATHS.keys()]