-- ## Redshift button/widget ##
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~


-- Requirements :
-- ~~~~~~~~~~~~~~
local awful = require("awful")
local gears = require("gears")
local wibox = require("wibox")
local beautiful = require("beautiful")
local dpi = beautiful.xresources.apply_dpi

-- # Libs :
-- ~~~~~~~~
local helpers = require("libs.helpers")
local rubato = require("libs.rubato")


-- misc/vars
-- ~~~~~~~~~

local service_name = "Night Light"
local service_icon = ""

-- widgets
-- ~~~~~~~

-- icon
local icon = wibox.widget{
    font   	= theme.sidebar_font,
    markup 	= helpers.colorize_text(service_icon, colors.white),
    widget 	= wibox.widget.textbox,
    valign 	= "center",
    align 	= "center"
}

-- name
local name = wibox.widget{
    font = theme.font,
    widget = wibox.widget.textbox,
    markup = helpers.colorize_text(service_name, colors.white),
    valign = "center",
    align = "center"
}


-- animation :love:
local circle_animate = wibox.widget{
	widget = wibox.container.background,
	shape = helpers.rrect(theme.rounded),
	bg = colors.main_scheme,
	forced_width = 110,
}

-- mix those
local alright = wibox.widget{
    {
		{
			nil,
			{
				circle_animate,
				layout = wibox.layout.fixed.horizontal
			},
			layout = wibox.layout.align.horizontal,
			expand = "none"
		},
        {
            nil,
            {
                icon,
                name,
                layout = wibox.layout.fixed.vertical,
                spacing = dpi(10)
            },
            layout = wibox.layout.align.vertical,
            expand = "none"
        },
        layout = wibox.layout.stack
    },
    shape = helpers.rrect(theme.rounded),
    widget = wibox.container.background,
    border_color = colors.brightblack,
    forced_width = dpi(80),
    forced_height = dpi(80),
    bg = colors.brightblack
}

local animation_button_opacity = rubato.timed{
	pos = 0,
	rate = 60,
	intro = 0.08,
	duration = 0.3,
	awestore_compat = true,
	subscribed = function(pos)
		circle_animate.opacity = pos
	end
}

  -- kill every redshift process
local readwrite = require("ui.sidebar.services.read_writer")
local output = readwrite.readall("blue_light_state")

if output:match("true") then
	icon.markup = helpers.colorize_text(service_icon, colors.black)
	name.markup = helpers.colorize_text(service_name, colors.black)
	animation_button_opacity:set(1)
else
	icon.markup = helpers.colorize_text(service_icon, colors.black)
	name.markup = helpers.colorize_text(service_name, colors.black)  
	animation_button_opacity:set(0)
end

  -- buttons
alright:buttons(gears.table.join(awful.button({}, 1, nil, function()
	awful.spawn.easy_async_with_shell(
		[[
		if [ ! -z $(pgrep redshift) ];
		then
			redshift -x && pkill redshift && killall redshift
            echo "false" > /tmp/blue_light_state
			echo 'OFF'
		else
			redshift -l 0:0 -t 4500:4500 -r &>/dev/null &
            echo "true" > /tmp/blue_light_state
			echo 'ON'
		fi
		]],
		function(stdout)
			if stdout:match("ON") then
				icon.markup = helpers.colorize_text(service_icon, colors.black)
				name.markup = helpers.colorize_text(service_name, colors.black)          
                animation_button_opacity:set(1)
			else
				icon.markup = helpers.colorize_text(service_icon, colors.black)
				name.markup = helpers.colorize_text(service_name, colors.black)  
                animation_button_opacity:set(0)
			end
		end
	)
end)))



return alright