from __future__ import annotations

import enum
import typing

from librespot.proto.Metadata import AudioFile


class AudioQuality(enum.Enum):
    NORMAL = 0x00
    HIGH = 0x01
    VERY_HIGH = 0x02

    @staticmethod
    def get_quality(audio_format: AudioFile.Format) -> AudioQuality:
        if (
            audio_format == AudioFile.MP3_96
            or audio_format == AudioFile.OGG_VORBIS_96
            or audio_format == AudioFile.AAC_24_NORM
        ):
            return AudioQuality.NORMAL
        if (
            audio_format == AudioFile.MP3_160
            or audio_format == AudioFile.MP3_160_ENC
            or audio_format == AudioFile.OGG_VORBIS_160
            or audio_format == AudioFile.AAC_24
        ):
            return AudioQuality.HIGH
        if (
            audio_format == AudioFile.MP3_320
            or audio_format == AudioFile.MP3_256
            or audio_format == AudioFile.OGG_VORBIS_320
            or audio_format == AudioFile.AAC_48
        ):
            return AudioQuality.VERY_HIGH
        raise RuntimeError("Unknown format: {}".format(format))

    def get_matches(self, files: typing.List[AudioFile]) -> typing.List[AudioFile]:
        file_list = []
        for file in files:
            if (
                hasattr(file, "format")
                and AudioQuality.get_quality(file.format) == self
            ):
                file_list.append(file)

        return file_list