# Copyright 2023 (c) Anna Schumaker.
"""A custom Adw.ActionRow to select a file for playback."""
import pathlib
from gi.repository import GObject
from gi.repository import GLib
from gi.repository import Gio
from gi.repository import Gtk
from gi.repository import Adw


class OpenRow(Adw.ActionRow):
    """Our pre-configured open Adw.ActionRow."""

    def __init__(self):
        """Initialize our open ActionRow."""
        super().__init__(activatable=True, title="Open File",
                         subtitle="Select a file for playback")
        self._prefix = Gtk.Image(icon_name="document-open-symbolic")
        self._filters = Gio.ListStore()
        self._filter = Gtk.FileFilter(name="Audio Files",
                                      mime_types=["inode/directory",
                                                  "audio/*"])
        self._dialog = Gtk.FileDialog(filters=self._filters,
                                      title="Pick a Track")

        self._filters.append(self._filter)

        self.connect("activated", self.__on_activated)
        self.add_prefix(self._prefix)

    def __async_ready(self, dialog: Gtk.FileDialog, task: Gio.Task) -> None:
        try:
            file = dialog.open_finish(task)
            self.emit("track-requested", pathlib.Path(file.get_path()))
        except GLib.Error:
            pass

    def __on_activated(self, row: Adw.ActionRow) -> None:
        """Handle activating an OpenRow."""
        self.get_ancestor(Gtk.Popover).popdown()
        self._dialog.open(self.get_ancestor(Gtk.Window), None,
                          self.__async_ready)

    @GObject.Signal(arg_types=(GObject.TYPE_PYOBJECT,))
    def track_requested(self, file: pathlib.Path) -> None:
        """Signal that a track has been requested."""