local awful = require("awful")
local wibox = require("wibox")
local beautiful = require("beautiful")
local gears = require("gears")

-- TODO more args
-- TODO use tooltip theme vars
function create_wibox_tooltip(parent, widget)
	local p = {
		parent = parent,
		popup = awful.popup {
			widget = wibox.container.margin (
				widget,
				beautiful.margin_leftright, beautiful.margin_leftright,
				beautiful.margin_topbottom, beautiful.margin_topbottom
			),
			ontop = true,
			visible = false,
			preferred_positions = "bottom",
			preferred_anchors = "middle",
		}
	}
	-- hover timer
	p.timer = gears.timer {
		timeout = 1,
		single_shot = true,
		callback = function()
			p.popup:move_next_to(mouse.current_widget_geometry)
			p.popup.visible = true
		end,
	}
	-- signal functions
	p._mouse_enter = function()
		p.timer:again()
	end
	p._mouse_leave = function()
		p.timer:stop()
		p.popup.visible = false
	end
	p.connect_signals = function()
		p.parent:connect_signal("mouse::enter", p._mouse_enter)
		p.parent:connect_signal("mouse::leave", p._mouse_leave)
	end
	p.disconnect_signals = function()
		p.parent:disconnect_signal("mouse::enter", p._mouse_enter)
		p.parent:disconnect_signal("mouse::leave", p._mouse_leave)
	end

	p.connect_signals()
	return p
end

return create_wibox_tooltip