# Python imports

# Lib imports
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk

# Application imports



class ButtonControls(Gtk.ButtonBox):
    def __init__(self):
        super(ButtonControls, self).__init__()

        self.one2one_button = None
        self.fit_button     = None

        self._setup_styling()
        self._setup_signals()
        self._load_widgets()

        self.show_all()


    def _setup_styling(self):
        ...

    def _setup_signals(self):
        ...

    def _load_widgets(self):
        icons_path     = settings.get_icons_path()
        center_widget  = Gtk.ButtonBox()
        zoomout_button = Gtk.Button()
        lrotate_button = Gtk.Button()
        vflip_button   = Gtk.Button()
        self.one2one_button = Gtk.Button()
        self.fit_button     = Gtk.Button()
        hflip_button   = Gtk.Button()
        rrotate_button = Gtk.Button()
        zoomin_button  = Gtk.Button()

        self._set_class(self.fit_button)

        zoomout_button.set_tooltip_text("Zoom Out")
        lrotate_button.set_tooltip_text("Rotate Left")
        vflip_button.set_tooltip_text("Flip Vertical")
        self.one2one_button.set_tooltip_text("Zoom 1:1")
        self.fit_button.set_tooltip_text("Zoom Fit")
        hflip_button.set_tooltip_text("Flip Horizontal")
        rrotate_button.set_tooltip_text("Rotate Right")
        zoomin_button.set_tooltip_text("Zoom In")

        zoomout_button.set_image( Gtk.Image.new_from_file(f"{icons_path}/zoom-out.png") )
        lrotate_button.set_image( Gtk.Image.new_from_file(f"{icons_path}/rotate-left.png") )
        vflip_button.set_image( Gtk.Image.new_from_file(f"{icons_path}/flip-virtical.png") )
        self.one2one_button.set_image( Gtk.Image.new_from_file(f"{icons_path}/zoom-original.png") )
        self.fit_button.set_image( Gtk.Image.new_from_file(f"{icons_path}/zoom-fit.png") )
        hflip_button.set_image( Gtk.Image.new_from_file(f"{icons_path}/flip-horizontal.png") )
        rrotate_button.set_image( Gtk.Image.new_from_file(f"{icons_path}/rotate-right.png") )
        zoomin_button.set_image( Gtk.Image.new_from_file(f"{icons_path}/zoom-in.png") )

        zoomout_button.set_always_show_image(True)
        lrotate_button.set_always_show_image(True)
        vflip_button.set_always_show_image(True)
        self.one2one_button.set_always_show_image(True)
        self.fit_button.set_always_show_image(True)
        hflip_button.set_always_show_image(True)
        rrotate_button.set_always_show_image(True)
        zoomin_button.set_always_show_image(True)

        zoomout_button.connect("clicked", self._zoom_out)
        lrotate_button.connect("clicked", self._rotate_left)
        vflip_button.connect("clicked", self._vertical_flip)
        self.one2one_button.connect("clicked", self._scale_1_two_1)
        self.fit_button.connect("clicked", self._fit_to_container)
        hflip_button.connect("clicked", self._horizontal_flip)
        rrotate_button.connect("clicked", self._rotate_right)
        zoomin_button.connect("clicked", self._zoom_in)

        center_widget.add(zoomout_button)
        center_widget.add(lrotate_button)
        center_widget.add(vflip_button)
        center_widget.add(self.one2one_button)
        center_widget.add(self.fit_button)
        center_widget.add(hflip_button)
        center_widget.add(rrotate_button)
        center_widget.add(zoomin_button)

        self.set_center_widget(center_widget)

    def _zoom_out(self, widget = None, eve = None):
        event_system.emit("zoom_out")

    def _rotate_left(self, widget = None, eve = None):
        event_system.emit("rotate_left")

    def _vertical_flip(self, widget = None, eve = None):
        event_system.emit("vertical_flip")

    def _scale_1_two_1(self, widget = None, eve = None):
        if eve.button == 1:
            self._unset_class(self.fit_button)
            self._set_class(self.one2one_button)

            event_system.emit("scale_1_two_1")

    def _fit_to_container(self, widget = None, eve = None):
        if eve.button == 1:
            self._unset_class(self.one2one_button)
            self._set_class(self.fit_button)

            event_system.emit("fit_to_container")

    def _horizontal_flip(self, widget = None, eve = None):
        event_system.emit("horizontal_flip")

    def _rotate_right(self, widget = None, eve = None):
        event_system.emit("rotate_right")

    def _zoom_in(self, widget = None, eve = None):
        event_system.emit("zoom_in")

    def _set_class(self, target):
        ctx = target.get_style_context()
        ctx.add_class("button-highlighted")

    def _unset_class(self, target):
        ctx = target.get_style_context()
        ctx.remove_class("button-highlighted")