from libqtile import layout as libqtile_layout, layout, bar, widget
from libqtile.command import lazy
from libqtile.config import Key, Group, Screen, Drag, Click, Match


class BaseConfig:
    @classmethod
    def get(cls, key, default):
        if hasattr(cls, key):
            return cls.__dict__[key]
        else:
            return default


class BaseTheme:
    # Changing variables initialized by function
    keys = None
    groups = None
    layouts = None
    widget_defaults = None
    screens = None
    qtile = None

    # 'Static' variables
    dgroups_key_binder = None
    dgroups_app_rules = []
    main = None
    follow_mouse_focus = True
    bring_front_click = False
    cursor_warp = False
    floating_layout = libqtile_layout.Floating(float_rules=[
        # Run the utility of `xprop` to see the wm class and name of an X client.
        *layout.Floating.default_float_rules,
        Match(wm_class='confirmreset'),  # gitk
        Match(wm_class='makebranch'),  # gitk
        Match(wm_class='maketag'),  # gitk
        Match(wm_class='ssh-askpass'),  # ssh-askpass
        Match(title='branchdialog'),  # gitk
        Match(title='pinentry'),  # GPG key password entry
    ])
    auto_fullscreen = True
    focus_on_window_activation = "smart"
    extensions = []

    # XXX: Gasp! We're lying here. In fact, nobody really uses or cares about this
    # string besides java UI toolkits; you can see several discussions on the
    # mailing lists, github issues, and other WM documentation that suggest setting
    # this string if your java app doesn't work correctly. We may as well just lie
    # and say that we're a working one by default.
    #
    # We choose LG3D to maximize irony: it is a 3D non-reparenting WM written in
    # java that happens to be on java's whitelist.
    #
    # Alternatively, you could add this to .xinitrc:
    # 'export _JAVA_AWT_WM_NONREPARENTING=1'
    wmname = "LG3D"

    def initialize(self):
        self.widget_defaults = self.init_widget_defaults()
        self.keys = self.init_keys()
        self.groups = self.init_groups()
        self.layouts = self.init_layouts()
        self.screens = self.init_screens()
        self.mouse = self.init_mouse()

    def init_keys(self):
        return [
            # Switch between windows in current stack pane
            Key(["mod4"], "k", lazy.layout.down()),
            Key(["mod4"], "j", lazy.layout.up()),

            # Move windows up or down in current stack
            Key(["mod4", "control"], "k", lazy.layout.shuffle_down()),
            Key(["mod4", "control"], "j", lazy.layout.shuffle_up()),

            # Switch window focus to other pane(s) of stack
            Key(["mod4"], "space", lazy.layout.next()),

            # Swap panes of split stack
            Key(["mod4", "shift"], "space", lazy.layout.rotate()),

            # Toggle between split and unsplit sides of stack.
            # Split = all windows displayed
            # Unsplit = 1 window displayed, like Max layout, but still with
            # multiple stack panes
            Key(["mod4", "shift"], "Return", lazy.layout.toggle_split()),
            Key(["mod4"], "Return", lazy.spawn("xterm")),

            # Toggle between different layouts as defined below
            Key(["mod4"], "Tab", lazy.next_layout()),
            Key(["mod4"], "w", lazy.window.kill()),

            Key(["mod4", "control"], "r", lazy.restart()),
            Key(["mod4", "control"], "q", lazy.shutdown()),
            Key(["mod4"], "r", lazy.spawncmd()),
        ]

    def init_groups(self):
        groups = [Group(i) for i in "asdfuiop"]
        for i in groups:
            self.keys.extend([
                # mod1 + letter of group = switch to group
                Key(["mod4"], i.name, lazy.group[i.name].toscreen()),

                # mod1 + shift + letter of group = switch to & move focused window to group
                Key(["mod4", "shift"], i.name, lazy.window.togroup(i.name)),
            ])
        return groups

    def init_layouts(self):
        return [
            layout.Max(),
            layout.Stack(num_stacks=2)
        ]

    def init_widget_defaults(self):
        return dict(
            font='sans',
            fontsize=12,
            padding=3,
        )

    def init_screens(self):
        # noinspection PyUnresolvedReferences
        return [
            Screen(
                bottom=bar.Bar(
                    [
                        widget.GroupBox(),
                        widget.Prompt(),
                        widget.WindowName(),
                        widget.TextBox("Kuro BaseConfig", foreground="#ff0000", name="default"),
                        widget.Systray(),
                        widget.Clock(format='%Y-%m-%d %a %I:%M %p'),
                    ],
                    24,
                ),
            ),
        ]

    def init_mouse(self):
        return [
            Drag(["mod4"], "Button1", lazy.window.set_position_floating(),
                 start=lazy.window.get_position()),
            Drag(["mod4"], "Button3", lazy.window.set_size_floating(),
                 start=lazy.window.get_size()),
            Click(["mod4"], "Button2", lazy.window.bring_to_front())
        ]

    # Callbacks
    def callback_startup_once(self, *args, **kwargs):
        pass

    def callback_startup(self, *args, **kwargs):
        pass

    def callback_startup_complete(self, *args, **kwargs):
        pass

    def callback_setgroup(self, *args, **kwargs):
        pass

    def callback_addgroup(self, *args, **kwargs):
        pass

    def callback_delgroup(self, *args, **kwargs):
        pass

    def callback_changegroup(self, *args, **kwargs):
        pass

    def callback_focus_change(self, *args, **kwargs):
        pass

    def callback_float_change(self, *args, **kwargs):
        pass

    def callback_group_window_add(self, *args, **kwargs):
        pass

    def callback_client_new(self, *args, **kwargs):
        pass

    def callback_client_managed(self, *args, **kwargs):
        pass

    def callback_client_killed(self, *args, **kwargs):
        pass

    def callback_client_state_changed(self, *args, **kwargs):
        pass

    def callback_client_type_changed(self, *args, **kwargs):
        pass

    def callback_client_focus(self, *args, **kwargs):
        pass

    def callback_client_mouse_enter(self, *args, **kwargs):
        pass

    def callback_client_name_updated(self, *args, **kwargs):
        pass

    def callback_client_urgent_hint_changed(self, *args, **kwargs):
        pass

    def callback_layout_change(self, *args, **kwargs):
        pass

    def callback_net_wm_icon_change(self, *args, **kwargs):
        pass

    def callback_selection_notify(self, *args, **kwargs):
        pass

    def callback_selection_change(self, *args, **kwargs):
        pass

    def callback_screen_change(self, *args, **kwargs):
        pass

    def callback_current_screen_change(self, *args, **kwargs):
        pass