-- ## Stats ##
-- ~~~~~~~~~~~~~

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

-- Helper
-----------
local function round_widget(radius)
  return function(cr, w, h)
    gears.shape.rounded_rect(cr, w, h, radius)
  end
end

local function grouping_widget(w1, w2)
  local container = wibox.widget {
    w1,
    {
      nil,
      w2,
      expand = 'none',
      layout = wibox.layout.align.vertical,
    },
    spacing = dpi(18),
    layout = wibox.layout.fixed.horizontal,
  }

  return container
end

local function center_widget(widget)
  return wibox.widget {
    nil,
    {
      nil,
      widget,
      expand = 'none',
      layout = wibox.layout.align.horizontal,
    },
    expand = 'none',
    layout = wibox.layout.align.vertical,
  }
end

-- Create_widgets
-------------------

-- Disk
local d_icon = wibox.widget.textbox()
d_icon.font = theme.sidebarfont
d_icon.align = "left"
d_icon.markup = " "

local d_slider = wibox.widget {
  forced_width = dpi(220),
  forced_height = dpi(10),
  color = beautiful.red,
  background_color = "#663D3D",
  shape = round_widget(12),
  bar_shape = round_widget(12),
  max_value = 100,
  value = 20,
  widget = wibox.widget.progressbar,
}

local disk = grouping_widget(d_icon, d_slider)

-- Vol
local v_icon = wibox.widget.textbox()
v_icon.font = theme.sidebarfont
v_icon.align = "left"
v_icon.markup = ""

local v_slider = wibox.widget {
  forced_width = dpi(220),
  forced_height = dpi(10),
  color = beautiful.blue,
  background_color = "#3D4B66",
  shape = round_widget(12),
  bar_shape = round_widget(12),
  max_value = 100,
  widget = wibox.widget.progressbar,
}

local volume = grouping_widget(v_icon, v_slider)

-- Brightness
local b_icon = wibox.widget.textbox()
b_icon.font = theme.sidebarfont
b_icon.align = "left"
b_icon.markup = " "

local b_slider = wibox.widget {
  forced_width = dpi(220),
  forced_height = dpi(10),
  color = beautiful.yellow,
  background_color = "#66523D",
  shape = round_widget(12),
  bar_shape = round_widget(12),
  max_value = 100,
  widget = wibox.widget.progressbar,
}

local brightness = grouping_widget(b_icon, b_slider)

-- Getting Value for These Widgets
------------------------------------

local function get_val()
  awesome.connect_signal("signal::volume", function(vol, muted)
    if muted then
      v_slider.value = 0
    else
      v_slider.color = beautiful.blue
      v_slider.value = tonumber(vol)
    end
  end)

  awesome.connect_signal("signal::brightness", function(bri)
    b_slider.value = tonumber(bri)
  end)

  awesome.connect_signal("signal::disk", function(disk_perc)
    d_slider.value = tonumber(disk_perc)
  end)
end

get_val()

return center_widget(wibox.widget {
  disk,
  volume,
  brightness,
  spacing = dpi(18),
  layout = wibox.layout.fixed.vertical,
})