# Copyright 2022 (c) Anna Schumaker.
"""A Footer widget to display below the TrackView."""
from gi.repository import GObject
from gi.repository import Pango
from gi.repository import Gtk


class Footer(Gtk.CenterBox):
    """Footer labels for the Tracklist card."""

    count = GObject.Property(type=int)
    selected = GObject.Property(type=int)
    runtime = GObject.Property(type=float)

    def __init__(self, **kwargs):
        """Initialize a Footer widget."""
        super().__init__(**kwargs)
        self._count = Gtk.Label(label="Showing 0 tracks", xalign=0.0,
                                ellipsize=Pango.EllipsizeMode.START)
        self._selected = Gtk.Label(ellipsize=Pango.EllipsizeMode.MIDDLE)
        self._runtime = Gtk.Label(label="0 seconds", xalign=1.0,
                                  ellipsize=Pango.EllipsizeMode.END)

        self.set_start_widget(self._count)
        self.set_center_widget(self._selected)
        self.set_end_widget(self._runtime)

        self.connect("notify", self.__update_labels)
        self.add_css_class("dim-label")

    def __update_labels(self, footer: Gtk.CenterBox, param) -> None:
        match param.name:
            case "count":
                s_count = "s" if self.count != 1 else ""
                self._count.set_text(f"Showing {self.count} track{s_count}")
            case "selected":
                match self.selected:
                    case 0: text = ""
                    case _:
                        s_count = "s" if self.selected != 1 else ""
                        text = f"{self.selected} track{s_count} selected"
                self._selected.set_text(text)
            case "runtime":
                res = []
                (min, sec) = divmod(round(self.runtime), 60)
                (hour, min) = divmod(min, 60)
                (day, hour) = divmod(hour, 24)
                (week, day) = divmod(day, 7)

                if week > 0:
                    res.append(f"{week} week{'s' if week != 1 else ''}")
                if day > 0:
                    res.append(f"{day} day{'s' if day != 1 else ''}")
                if hour > 0:
                    res.append(f"{hour} hour{'s' if hour != 1 else ''}")
                if min > 0:
                    res.append(f"{min} minute{'s' if min != 1 else ''}")
                if sec > 0:
                    res.append(f"{sec} second{'s' if sec != 1 else ''}")

                self._runtime.set_text(", ".join(res))