from dataclasses import dataclass
from typing import Union, Optional


@dataclass
class LyricsResult:
    """
    Class for returned Lyrics Results
    Attributes:
        artist (str): returned artist
        song (str): returned song
        src (str): source result was fetched from
        lyrics (Union[str, list]): str if plain lyrics, list for lrc
        time (float): time taken to retrieve lyrics from source
    """

    artist: str
    song: str
    src: str
    lyrics: Union[str, list]
    confidence: int
    time: float = 0.00


@dataclass
class LRCLibResult:
    """
    Class for returned Lyrics Results
    Attributes:
        id (int): returned id
        artist (str): returned artist
        song (str): returned song
        plainLyrics (str): returned (plain) lyrics
        syncedLyrics (str): returned synchronizedLyrics
    """

    id: int
    artist: str
    song: str
    plainLyrics: Optional[str] = None
    syncedLyrics: Optional[str] = None


"""
Generic
"""


class InvalidLyricSearchResponseException(Exception):
    pass


"""
Genius
"""


class InvalidGeniusResponseException(InvalidLyricSearchResponseException):
    pass


"""
LRCLib
"""


class InvalidLRCLibResponseException(InvalidLyricSearchResponseException):
    pass