--[[
    Powerarrow base theme by https://github.com/lcpz/lain
     Colours inspired from DistroTube on YouTube
--]]

local gears = require("gears")
local lain  = require("lain")
local awful = require("awful")
local wibox = require("wibox")
local settings = require("../settings")

local math, os = math, os
local my_table = awful.util.table or gears.table

local theme                                     = {}
theme.dir                                       = os.getenv("HOME") .. "/.config/awesome/themes/" .. settings.chosen_theme
theme.wallpaper                                 = theme.dir .. "/wallpaper.jpg"
theme.font                                      = "Mononoki Nerd Font 9"
theme.taglist_font                              = "Droid Sans Bold 7"
theme.fg_normal                                 = "#ffffff"
theme.primarycolor                              = "#660014"
theme.secondarycolor                            = "#4F000B"
theme.fg_focus                                  = "#ffffff"
theme.fg_urgent                                 = "#b74822"
theme.bg_normal                                 = "#282a36"
theme.bg_focus                                  = "#841C26"
theme.bg_urgent                                 = "#3F3F3F"
theme.taglist_fg_focus                          = "#ffffff"
theme.tasklist_bg_focus                         = "#000000"
theme.tasklist_fg_focus                         = "#660014"
------------ BORDER ------------
theme.border_width                              = 2
theme.border_normal                             = "#282a36"
theme.border_focus                              = "#4F000B"
theme.border_marked                             = "#660014"
------------ Titlebar ------------
theme.titlebar_bg_focus                         = "#3F3F3F"
theme.titlebar_bg_normal                        = "#3F3F3F"
theme.titlebar_bg_focus                         = theme.bg_focus
theme.titlebar_bg_normal                        = theme.bg_normal
theme.titlebar_fg_focus                         = theme.fg_focus
------------ Notification ------------
theme.menu_height                               = 20
theme.menu_width                                = 140
theme.menu_submenu_icon                         = theme.dir .. "/icons/submenu.png"
theme.awesome_icon                              = theme.dir .. "/icons/awesome.png"
theme.taglist_squares_sel                       = theme.dir .. "/icons/square_sel.png"
theme.taglist_squares_unsel                     = theme.dir .. "/icons/square_unsel.png"
theme.layout_tile                               = theme.dir .. "/icons/tile.png"
theme.layout_tileleft                           = theme.dir .. "/icons/tileleft.png"
theme.layout_tilebottom                         = theme.dir .. "/icons/tilebottom.png"
theme.layout_tiletop                            = theme.dir .. "/icons/tiletop.png"
theme.layout_fairv                              = theme.dir .. "/icons/fairv.png"
theme.layout_fairh                              = theme.dir .. "/icons/fairh.png"
theme.layout_spiral                             = theme.dir .. "/icons/spiral.png"
theme.layout_dwindle                            = theme.dir .. "/icons/dwindle.png"
theme.layout_max                                = theme.dir .. "/icons/max.png"
theme.layout_fullscreen                         = theme.dir .. "/icons/fullscreen.png"
theme.layout_magnifier                          = theme.dir .. "/icons/magnifier.png"
theme.layout_floating                           = theme.dir .. "/icons/floating.png"
theme.widget_ac                                 = theme.dir .. "/icons/ac.png"
theme.widget_battery                            = theme.dir .. "/icons/battery.png"
theme.widget_battery_low                        = theme.dir .. "/icons/battery_low.png"
theme.widget_battery_empty                      = theme.dir .. "/icons/battery_empty.png"
theme.widget_mem                                = theme.dir .. "/icons/mem.png"
theme.widget_cpu                                = theme.dir .. "/icons/cpu.png"
theme.widget_temp                               = theme.dir .. "/icons/temp.png"
theme.widget_net                                = theme.dir .. "/icons/net.png"
theme.widget_hdd                                = theme.dir .. "/icons/hdd.png"
theme.widget_music                              = theme.dir .. "/icons/note.png"
theme.widget_music_on                           = theme.dir .. "/icons/note.png"
theme.widget_music_pause                        = theme.dir .. "/icons/pause.png"
theme.widget_music_stop                         = theme.dir .. "/icons/stop.png"
theme.widget_vol                                = theme.dir .. "/icons/vol.png"
theme.widget_vol_low                            = theme.dir .. "/icons/vol_low.png"
theme.widget_vol_no                             = theme.dir .. "/icons/vol_no.png"
theme.widget_vol_mute                           = theme.dir .. "/icons/vol_mute.png"
theme.widget_mail                               = theme.dir .. "/icons/mail.png"
theme.widget_mail_on                            = theme.dir .. "/icons/mail_on.png"
theme.widget_task                               = theme.dir .. "/icons/task.png"
theme.widget_scissors                           = theme.dir .. "/icons/scissors.png"
theme.widget_weather                            = theme.dir .. "/icons/dish.png"
theme.tasklist_plain_task_name                  = true
theme.tasklist_disable_icon                     = true
theme.useless_gap                               = settings.gapsize
theme.titlebar_close_button_focus               = theme.dir .. "/icons/titlebar/close_focus.png"
theme.titlebar_close_button_normal              = theme.dir .. "/icons/titlebar/close_normal.png"
theme.titlebar_ontop_button_focus_active        = theme.dir .. "/icons/titlebar/ontop_focus_active.png"
theme.titlebar_ontop_button_normal_active       = theme.dir .. "/icons/titlebar/ontop_normal_active.png"
theme.titlebar_ontop_button_focus_inactive      = theme.dir .. "/icons/titlebar/ontop_focus_inactive.png"
theme.titlebar_ontop_button_normal_inactive     = theme.dir .. "/icons/titlebar/ontop_normal_inactive.png"
theme.titlebar_sticky_button_focus_active       = theme.dir .. "/icons/titlebar/sticky_focus_active.png"
theme.titlebar_sticky_button_normal_active      = theme.dir .. "/icons/titlebar/sticky_normal_active.png"
theme.titlebar_sticky_button_focus_inactive     = theme.dir .. "/icons/titlebar/sticky_focus_inactive.png"
theme.titlebar_sticky_button_normal_inactive    = theme.dir .. "/icons/titlebar/sticky_normal_inactive.png"
theme.titlebar_floating_button_focus_active     = theme.dir .. "/icons/titlebar/floating_focus_active.png"
theme.titlebar_floating_button_normal_active    = theme.dir .. "/icons/titlebar/floating_normal_active.png"
theme.titlebar_floating_button_focus_inactive   = theme.dir .. "/icons/titlebar/floating_focus_inactive.png"
theme.titlebar_floating_button_normal_inactive  = theme.dir .. "/icons/titlebar/floating_normal_inactive.png"
theme.titlebar_maximized_button_focus_active    = theme.dir .. "/icons/titlebar/maximized_focus_active.png"
theme.titlebar_maximized_button_normal_active   = theme.dir .. "/icons/titlebar/maximized_normal_active.png"
theme.titlebar_maximized_button_focus_inactive  = theme.dir .. "/icons/titlebar/maximized_focus_inactive.png"
theme.titlebar_maximized_button_normal_inactive = theme.dir .. "/icons/titlebar/maximized_normal_inactive.png"

local markup = lain.util.markup
local separators = lain.util.separators


-- Textclock
local clock = awful.widget.watch(
    "date +'%a %d %b %R'", 60,
    function(widget, stdout)
        widget:set_markup(" " .. markup.font(theme.font, stdout))
    end
)

-- Calendar
theme.cal = lain.widget.cal({
    attach_to = { clock },
    notification_preset = {
        font = "Mononoki Nerd Font 11",
        fg   = theme.fg_normal,
        bg   = theme.bg_normal
    }
})

-- ALSA volume
theme.volume = lain.widget.alsabar({
    --togglechannel = "IEC958,3",
    notification_preset = { font = theme.font, fg = theme.fg_normal },
})

-- MPD
local mpdicon = wibox.widget.imagebox(theme.widget_music)
theme.mpd = lain.widget.mpd({
    settings = function()
        if mpd_now.state == "play" then
            artist = " " .. mpd_now.artist .. " "
            title  = mpd_now.title .. " "
            mpdicon:set_image(theme.widget_music_on)
            widget:set_markup(markup.font(theme.font, markup(theme.fg_normal, artist) .. " " .. title))
        elseif mpd_now.state == "pause" then
            widget:set_markup(markup.font(theme.font, " mpd paused "))
            mpdicon:set_image(theme.widget_music_pause)
        else
            widget:set_text("")
            mpdicon:set_image(theme.widget_music)
        end
    end
})

-- MEM
local memicon = wibox.widget.imagebox(theme.widget_mem)
local mem = lain.widget.mem({
    settings = function()
        widget:set_markup(markup.font(theme.font, " " .. mem_now.used .. "MB "))
    end
})

-- CPU
local cpuicon = wibox.widget.imagebox(theme.widget_cpu)
local cpu = lain.widget.cpu({
    settings = function()
        widget:set_markup(markup.font(theme.font, " " .. cpu_now.usage .. "% "))
    end
})

-- Coretemp (lain, average)
local temp = lain.widget.temp({
    settings = function()
        widget:set_markup(markup.font(theme.font, " " .. coretemp_now .. "°C "))
    end
})
--]]

local tempicon = wibox.widget.imagebox(theme.widget_temp)

--Weather
local weathericon = wibox.widget.imagebox(theme.widget_weather)
theme.weather = lain.widget.weather({
    city_id = settings.weatherID,
    notification_preset = { font = "Mononoki Nerd Font 11", fg = theme.fg_normal },
    weather_na_markup = markup.fontfg(theme.font, theme.fg_normal, "N/A "),
    settings = function()
        descr = weather_now["weather"][1]["description"]:lower()
        units = math.floor(weather_now["main"]["temp"])
        widget:set_markup(markup.fontfg(theme.font, theme.fg_normal, descr .. " @ " .. units .. "°C "))
    end
})

-- Battery
local baticon = wibox.widget.imagebox(theme.widget_battery)
local bat = lain.widget.bat({
    settings = function()
        if bat_now.status and bat_now.status ~= "N/A" then
            if bat_now.ac_status == 1 then
                widget:set_markup(markup.font(theme.font, " AC "))
                baticon:set_image(theme.widget_ac)
                return
            elseif not bat_now.perc and tonumber(bat_now.perc) <= 5 then
                baticon:set_image(theme.widget_battery_empty)
            elseif not bat_now.perc and tonumber(bat_now.perc) <= 15 then
                baticon:set_image(theme.widget_battery_low)
            else
                baticon:set_image(theme.widget_battery)
            end
            widget:set_markup(markup.font(theme.font, " " .. bat_now.perc .. "% "))
        else
            widget:set_markup()
            baticon:set_image(theme.widget_ac)
        end
    end
})

-- ALSA volume
local volicon = wibox.widget.imagebox(theme.widget_vol)
theme.volume = lain.widget.alsa({
    settings = function()
        if volume_now.status == "off" then
            volicon:set_image(theme.widget_vol_mute)
        elseif tonumber(volume_now.level) == 0 then
            volicon:set_image(theme.widget_vol_no)
        elseif tonumber(volume_now.level) <= 50 then
            volicon:set_image(theme.widget_vol_low)
        else
            volicon:set_image(theme.widget_vol)
        end

        widget:set_markup(markup.font(theme.font, " " .. volume_now.level .. "% "))
    end
})

-- Net
local neticon = wibox.widget.imagebox(theme.widget_net)
local net = lain.widget.net({
    settings = function()
        widget:set_markup(markup.fontfg(theme.font, theme.fg_normal, " " .. net_now.received .. " ↓↑ " ..
            net_now.sent .. " "))
    end
})

-- Separators
local arrow = separators.arrow_left

function theme.powerline_rl(cr, width, height)
    local arrow_depth, offset = height / 2, 0

    -- Avoid going out of the (potential) clip area
    if arrow_depth < 0 then
        width  = width + 2 * arrow_depth
        offset = -arrow_depth
    end

    cr:move_to(offset + arrow_depth, 0)
    cr:line_to(offset + width, 0)
    cr:line_to(offset + width - arrow_depth, height / 2)
    cr:line_to(offset + width, height)
    cr:line_to(offset + arrow_depth, height)
    cr:line_to(offset, height / 2)

    cr:close_path()
end

function theme.at_screen_connect(s)

    -- If wallpaper is a function, call it with the screen
    local wallpaper = theme.wallpaper
    if type(wallpaper) == "function" then
        wallpaper = wallpaper(s)
    end
    gears.wallpaper.maximized(wallpaper, s, false)

    -- All tags open with layout 1
    awful.tag(awful.util.tagnames, s, awful.layout.layouts[1])

    -- Create a promptbox for each screen
    s.mypromptbox = awful.widget.prompt()
    -- Create an imagebox widget which will contains an icon indicating which layout we're using.
    -- We need one layoutbox per screen.
    s.mylayoutbox = awful.widget.layoutbox(s)
    s.mylayoutbox:buttons(my_table.join(
        awful.button({}, 1, function() awful.layout.inc(1) end),
        awful.button({}, 3, function() awful.layout.inc(-1) end),
        awful.button({}, 4, function() awful.layout.inc(1) end),
        awful.button({}, 5, function() awful.layout.inc(-1) end)))
    -- Create a taglist widget
    s.mytaglist = awful.widget.taglist(s, awful.widget.taglist.filter.all, awful.util.taglist_buttons)

    -- Create the wibox
    s.mywibox = awful.wibar({ position = "top", screen = s, height = 20, bg = theme.bg_normal, fg = theme.fg_normal })

    -- Add widgets to the wibox
    s.mywibox:setup {
        layout = wibox.layout.align.horizontal,
        { -- Left widgets
            layout = wibox.layout.fixed.horizontal,
            s.mytaglist,
            s.mypromptbox,
        },
        s.mytasklist, -- Middle widget
        { -- Right widgets
            layout = wibox.layout.fixed.horizontal,
            wibox.widget.systray(),
            arrow("alpha", theme.secondarycolor),
            wibox.container.background(wibox.container.margin(wibox.widget { mpdicon, theme.mpd.widget,
                layout = wibox.layout.align.horizontal }, 3, 6), theme.secondarycolor),
            arrow(theme.secondarycolor, theme.primarycolor),
            wibox.container.background(wibox.container.margin(wibox.widget { volicon, theme.volume.widget,
                layout = wibox.layout.align.horizontal }, 2, 3), theme.primarycolor),
            arrow(theme.primarycolor, theme.secondarycolor),
            wibox.container.background(wibox.container.margin(wibox.widget { memicon, mem.widget,
                layout = wibox.layout.align.horizontal }, 2, 3), theme.secondarycolor),
            arrow(theme.secondarycolor, theme.primarycolor),
            wibox.container.background(wibox.container.margin(wibox.widget { cpuicon, cpu.widget,
                layout = wibox.layout.align.horizontal }, 3, 4), theme.primarycolor),
            arrow(theme.primarycolor, theme.secondarycolor),
            wibox.container.background(wibox.container.margin(wibox.widget { tempicon, temp.widget,
                layout = wibox.layout.align.horizontal }, 4, 4), theme.secondarycolor),
            arrow(theme.secondarycolor, theme.primarycolor),
            wibox.container.background(wibox.container.margin(wibox.widget { weathericon, theme.weather.widget,
                layout = wibox.layout.align.horizontal }, 3, 3), theme.primarycolor),
            arrow(theme.primarycolor, theme.secondarycolor),
            wibox.container.background(wibox.container.margin(wibox.widget { baticon, bat.widget,
                layout = wibox.layout.align.horizontal }, 3, 3), theme.secondarycolor),
            arrow(theme.secondarycolor, theme.primarycolor),
            wibox.container.background(wibox.container.margin(wibox.widget { neticon, net.widget,
                layout = wibox.layout.align.horizontal }, 3, 3), theme.primarycolor),
            arrow(theme.primarycolor, theme.secondarycolor),
            wibox.container.background(wibox.container.margin(clock, 4, 8), theme.secondarycolor),
            arrow(theme.secondarycolor, "alpha"),
            s.mylayoutbox,
        },
    }
end

return theme
