# Copyright (c) 2014-2019 Cedric Bellegarde <cedric.bellegarde@adishatz.org>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

from gi.repository import Gtk, GLib

from gettext import gettext as _

from lollypop.define import App, Type
from lollypop.objects import Track


class LovedWidget(Gtk.Bin):
    """
        Loved widget
    """

    def __init__(self, object, icon_size=Gtk.IconSize.BUTTON):
        """
            Init widget
            @param object as Album/Track
            @param icon_size as Gtk.IconSize
        """
        Gtk.Bin.__init__(self)
        self.__object = object
        self.__icon_size = icon_size
        self.__timeout_id = None
        builder = Gtk.Builder()
        builder.add_from_resource("/org/gnome/Lollypop/LovedWidget.ui")
        builder.connect_signals(self)
        self.__artwork = builder.get_object("artwork")
        self.add(builder.get_object("widget"))
        self.set_property("valign", Gtk.Align.CENTER)
        self.__set_artwork(self.__object.loved)

    def set_icon_size(self, icon_size):
        """
            Set widget icon size
            @param icon_size as Gtk.IconSize
        """
        self.__icon_size = icon_size
        self.__set_artwork(self.__object.loved)

#######################
# PROTECTED           #
#######################
    def _on_enter_notify_event(self, widget, event):
        """
            Update love opacity
            @param widget as Gtk.EventBox
            @param event as Gdk.Event
        """
        if self.__object.loved < 1:
            loved = self.__object.loved + 1
        else:
            loved = Type.NONE
        self.__set_artwork(loved)

    def _on_leave_notify_event(self, widget, event):
        """
            Update love opacity
            @param widget as Gtk.EventBox (can be None)
            @param event as Gdk.Event (can be None)
        """
        self.__set_artwork(self.__object.loved)

    def _on_button_release_event(self, widget, event):
        """
            Toggle loved status
            @param widget as Gtk.EventBox
            @param event as Gdk.Event
        """
        if self.__object.loved < 1:
            loved = self.__object.loved + 1
        else:
            loved = Type.NONE
        self.__object.set_loved(loved)
        if isinstance(self.__object, Track):
            # Update state on Last.fm
            if App().lastfm is not None:
                lastfm_status = True if loved == 1 else False
                if self.__timeout_id is not None:
                    GLib.source_remove(self.__timeout_id)
                self.__timeout_id = GLib.timeout_add(1000,
                                                     self.__set_lastfm_status,
                                                     lastfm_status)
        self.__set_artwork(self.__object.loved)
        return True

#######################
# PRIVATE             #
#######################
    def __set_lastfm_status(self, status):
        """
            Set lastfm status for track
            @param status as int
        """
        self.__timeout_id = None
        App().task_helper.run(App().lastfm.set_loved,
                              self.__object,
                              status)

    def __set_artwork(self, status):
        """
            Set artwork base on object status
            @param status as int
        """
        if status == 0:
            self.set_tooltip_text(_("Allow playback"))
            self.__artwork.set_opacity(0.2)
            self.__artwork.set_from_icon_name("emblem-favorite-symbolic",
                                              self.__icon_size)
        elif status == 1:
            self.set_tooltip_text(_("Like"))
            self.__artwork.set_opacity(0.8)
            self.__artwork.set_from_icon_name("emblem-favorite-symbolic",
                                              self.__icon_size)
        else:
            self.set_tooltip_text(_("Disallow playback"))
            self.__artwork.set_opacity(0.8)
            self.__artwork.set_from_icon_name("media-skip-forward-symbolic",
                                              self.__icon_size)
