local abutton = require 'awful.button'
local atitlebar = require 'awful.titlebar'
local beautiful = require 'beautiful'
local lalign = require 'wibox.layout.align'
local lfixed = require 'wibox.layout.fixed'
local lflex = require 'wibox.layout.flex'
local naughty = require 'naughty'

local slots = {}

function slots.wallpaper(screen)
    local awallpaper = require 'awful.wallpaper'
    local beautiful = require 'beautiful'
    local gcolor = require 'gears.color'
    local gsurface = require 'gears.surface'
    local imagebox = require 'wibox.widget.imagebox'
    local cairo = require('lgi').cairo

    local screen_geo = screen.geometry
    local source = cairo.ImageSurface(cairo.Format.RGB32, screen_geo.width, screen_geo.height)
    local cr = cairo.Context(source)

    -- Load base image
    local image_surface = gsurface.load_uncached(beautiful.wallpaper)
    local w, h = gsurface.get_size(image_surface)
    cr:scale(screen_geo.width / w, screen_geo.height / h)
    cr:set_source_surface(image_surface, 0, 0)
    cr:paint()

    -- Add color layer
    local color_pattern = gcolor.create_linear_pattern {
        from = { 0, 0 },
        to = { screen.width, screen.height },
        stops = {
            { 0, '#26323840' }
        }
    }
    cr:set_source(color_pattern)
    cr:paint()

    awallpaper {
        screen = screen,
        widget = {
            image = source,
            widget = imagebox,
        }
    }
end

function slots.create_tags (screen)
    local atag = require 'awful.tag'
    local home_layout = require 'MyTagLayout.home_layout'

    local first_tag = atag.add('home', {
        screen = screen,
        icon = beautiful.icon_hometag,
        layout = home_layout,
        master_width_factor = beautiful.hometag_master_width_factor
    })

    first_tag:view_only()
end

function slots.build_desktop_decoration (screen)
    local desktop_bar = require 'rc.ui.desktop_decoration.bar'

    desktop_bar(screen)
end

function slots.build_client_titlebars (client)
    -- Mouse buttons bindings for the titlebar
    local buttons = {
        abutton({}, 1,
            function ()
                client:activate { context = 'titlebar', action = 'mouse_move' }
            end),
        abutton({}, 3,
            function ()
                client:activate { context = 'titlebar', action = 'mouse_resize' }
            end),
    }

    -- Titlebar UI
    atitlebar(client).widget = {
        { -- Left
            atitlebar.widget.iconwidget(client),
            buttons = buttons,
            layout = lfixed.horizontal
        },
        { -- Middle
            { -- Title
                align = 'center',
                widget = atitlebar.widget.titlewidget(client)
            },
            buttons = buttons,
            layout = lflex.horizontal
        },
        { -- Right
            atitlebar.widget.floatingbutton(client),
            atitlebar.widget.maximizedbutton(client),
            atitlebar.widget.stickybutton(client),
            atitlebar.widget.ontopbutton(client),
            atitlebar.widget.closebutton(client),
            layout = lfixed.horizontal()
        },
        layout = lalign.horizontal
    }
end

function slots.naughty_display (notification)
    naughty.layout.box { notification = notification }
end

return slots