# Copyright 2022 (c) Anna Schumaker.
"""A card for displaying information about the currently playing track."""
from gi.repository import GObject
from gi.repository import Gtk
from . import controls
from . import tags


class Card(Gtk.Box):
    """The Now Playing information card."""

    title = GObject.Property(type=str)
    album = GObject.Property(type=str)
    artist = GObject.Property(type=str)
    album_artist = GObject.Property(type=str)
    prefer_artist = GObject.Property(type=bool, default=True)
    playing = GObject.Property(type=bool, default=False)
    autopause = GObject.Property(type=int, default=-1, minimum=-1, maximum=99)

    have_next = GObject.Property(type=bool, default=False)
    have_previous = GObject.Property(type=bool, default=False)
    have_track = GObject.Property(type=bool, default=False)

    def __init__(self):
        """Initialize a Now Playing Card."""
        super().__init__()
        self._grid = Gtk.Grid()
        self._tags = tags.TagInfo()
        self._controls = controls.Controls()

        for prop in ["title", "album", "artist", "album-artist"]:
            self.bind_property(prop, self._tags, prop)
        self.bind_property("prefer-artist", self._tags, "prefer-artist",
                           GObject.BindingFlags.BIDIRECTIONAL)
        for prop in ["playing", "have-next", "have-previous", "have-track"]:
            self.bind_property(prop, self._controls, prop)
        self.bind_property("autopause", self._controls, "autopause",
                           GObject.BindingFlags.BIDIRECTIONAL)

        for sig in ["play", "pause", "previous", "next"]:
            self._controls.connect(sig, self.__on_control, sig)

        self._grid.attach(self._tags, 0, 0, 1, 1)
        self._grid.attach(self._controls, 1, 0, 1, 1)

        self.append(self._grid)
        self.add_css_class("card")

    def __on_control(self, controls: controls.Controls, signal: str) -> None:
        self.emit(signal)

    @GObject.Signal
    def play(self) -> None:
        """Signal that the Play button has been clicked."""

    @GObject.Signal
    def pause(self) -> None:
        """Signal that the Pause button has been clicked."""

    @GObject.Signal
    def previous(self) -> None:
        """Signal that the Previous button has been clicked."""

    @GObject.Signal
    def next(self) -> None:
        """Signal that the Nause button has been clicked."""