----------------------------------
-- This is the bluetooth widget --
----------------------------------

-- Awesome Libs
local awful = require("awful")
local color = require("theme.crylia.colors")
local dpi = require("beautiful").xresources.apply_dpi
local gears = require("gears")
local naughty = require("naughty")
local wibox = require("wibox")
require("main.signals")

-- Icon directory path
local icondir = awful.util.getdir("config") .. "theme/crylia/assets/icons/bluetooth/"

-- Returns the bluetooth widget
return function()
    local bluetooth_widget = wibox.widget {
        {
            {
                {
                    id = "icon",
                    image = gears.color.recolor_image(icondir .. "bluetooth-off.svg"),
                    widget = wibox.widget.imagebox,
                    resize = false
                },
                id = "icon_layout",
                widget = wibox.container.place
            },
            id = "icon_margin",
            left = dpi(8),
            right = dpi(8),
            widget = wibox.container.margin
        },
        bg = color.color["Blue200"],
        fg = color.color["Grey900"],
        shape = function(cr, width, height)
            gears.shape.rounded_rect(cr, width, height, 5)
        end,
        widget = wibox.container.background
    }

    local bluetooth_tooltip = awful.tooltip {
        objects = { bluetooth_widget },
        text = "",
        mode = "inside",
        preferred_alignments = "middle",
        margins = dpi(10)
    }

    local bluetooth_state = "off"
    local connected_device = "nothing"

    awful.widget.watch(
        "rfkill list bluetooth",
        5,
        function(_, stdout)
            local icon = icondir .. "bluetooth"
            if stdout:match('Soft blocked: yes') or stdout:gsub("\n", "") == '' then
                icon = icon .. "-off"
                bluetooth_state = "off"
                bluetooth_tooltip:set_text("Bluetooth is turned " .. bluetooth_state .. "\n")
            else
                icon = icon .. "-on"
                bluetooth_state = "on"
                awful.spawn.easy_async_with_shell(
                    './.config/awesome/theme/crylia/scripts/bt.sh',
                    function(stdout2)
                        if stdout2 == nil or stdout2:gsub("\n", "") == "" then
                            bluetooth_tooltip:set_text("Bluetooth is turned " .. bluetooth_state .. "\n" .. "You are currently not connected")
                        else
                            connected_device = stdout2:gsub("%(", ""):gsub("%)", "")
                            bluetooth_tooltip:set_text("Bluetooth is turned " .. bluetooth_state .. "\n" .. "You are currently connected to:\n" .. connected_device)
                        end
                    end
                )
            end
            bluetooth_widget.icon_margin.icon_layout.icon:set_image(gears.color.recolor_image(icon .. ".svg", color.color["Grey900"]))
        end,
        bluetooth_widget
    )

    -- Signals
    Hover_signal(bluetooth_widget, color.color["Blue200"])

    bluetooth_widget:connect_signal(
        "button::press",
        function()
            awful.spawn.easy_async_with_shell(
                "rfkill list bluetooth",
                function(stdout)
                    if stdout:gsub("\n", "") ~= '' then
                        if bluetooth_state == "off" then
                            awful.spawn.easy_async_with_shell(
                                [[
                                    rfkill unblock bluetooth
                                    sleep 1
                                    bluetoothctl power on
                                ]],
                                function()
                                    naughty.notify({
                                        title = "System Notification",
                                        app_name = "Bluetooth",
                                        message = "Bluetooth activated"
                                    })
                                end
                            )
                        else
                            awful.spawn.easy_async_with_shell(
                                [[
                                    bluetoothctl power off
                                    rfkill block bluetooth
                                ]],
                                function()
                                    naughty.notify({
                                        title = "System Notification",
                                        app_name = "Bluetooth",
                                        message = "Bluetooth deactivated"
                                    })
                                end
                            )
                        end
                    end
                end
            )
        end
    )

    return bluetooth_widget
end
