# Copyright 2022 (c) Anna Schumaker.
"""Displays our genre playlists."""
from .. import db
from . import row
from . import section


class GenreRow(row.TreeRow):
    """A TreeRow for displaying Genre playlists."""

    def __init__(self, *args, **kwargs):
        """Initialize a GenreRow."""
        super().__init__(*args, indented=False, **kwargs)
        self.child = row.Row()


class Section(section.Section):
    """A sidebar Section for the genre list."""

    def __init__(self, table: db.genres.Table):
        """Initialize our Genre section."""
        super().__init__(table, GenreRow, icon_name="theater",
                         title="Genres", subtitle="0 genres")

    def do_get_subtitle(self, n_genres: int) -> str:
        """Return a subtitle for this section."""
        s_genres = "s" if n_genres != 1 else ""
        return f"{n_genres} genre{s_genres}"