"""Processing logic."""

from src.logic.lyrics import apply_revisions_to_lyrics
from src.logic.release_correction import get_lyric_revisions


def processing_logic(error_correction_id):
    """Logic to apply track lyric revisions."""
    track_lyric_revisions = get_lyric_revisions(error_correction_id)

    if not len(track_lyric_revisions):
        return 'exited'

    revisions_not_applied = set(list(map(
        lambda x: x['key_id'], track_lyric_revisions)))

    try:
        for item in track_lyric_revisions:
            track_id = item['key_id']
            apply_revisions_to_lyrics(
                track_id=track_id,
                lyrics=item['key_value']
            )
            revisions_not_applied.remove(track_id)
    except Exception as e:
        error_msg = (
            f'Failed to apply revision to lyrics for track ids '
            f'{list(revisions_not_applied)}\n'
            f'{str(e)}'
        )
        raise Exception(error_msg)
    return 'applied'