from collections.abc import Iterable, Iterator

from folkugat_web.dal.sql.temes import lyrics as lyrics_dal
from folkugat_web.model import temes as model


def add_lyrics_to_tema(tema: model.Tema) -> model.Tema:
    if tema.id is not None:
        tema.lyrics = list(lyrics_dal.get_lyrics(tema_id=tema.id))
    return tema


def add_lyrics_to_temes(temes: Iterable[model.Tema]) -> Iterator[model.Tema]:
    return map(add_lyrics_to_tema, temes)


def get_lyric_by_id(lyric_id: int, tema_id: int | None = None) -> model.Lyrics | None:
    return next(iter(lyrics_dal.get_lyrics(lyric_id=lyric_id, tema_id=tema_id)), None)


def update_lyric(lyric: model.Lyrics):
    lyrics_dal.update_lyric(lyric=lyric)


def delete_lyric(lyric_id: int, tema_id: int | None = None):
    lyrics_dal.delete_lyric(lyric_id=lyric_id, tema_id=tema_id)


def create_lyric(tema_id: int) -> model.Lyrics:
    return lyrics_dal.create_lyric(tema_id=tema_id)