local awful = require "awful"
local btn = awful.button.names
local gc = require "gears.color"
local gs = require "gears.surface"
local qvars = require "quarrel.vars"
local qui = require "quarrel.ui"
local wibox = require "wibox"
local beautiful = require "beautiful"
local rubato = require "lib.rubato"
local playerctl = require "lib.bling.signal.playerctl".lib {
    player = { "spotify", "cmus", "%any" }
}

local height = screen[1].geometry.height - (beautiful.useless_gap * 4 + qvars.border_width * 2)
local inside_width = qvars.bar_size * 20 - (qvars.big_padding * 4 + qvars.border_width * 4 + qvars.bar_size * 4)

local cover = wibox.widget {
    {
        widget = wibox.widget.imagebox,
        clip_shape = qvars.shape,
        forced_width = qvars.bar_size * 4,
        forced_height = qvars.bar_size * 4,
        visible = false,
        id = "cover"
    },
    {
        widget = wibox.container.background,
        forced_width = qvars.bar_size * 4,
        forced_height = qvars.bar_size * 4,
        bg = qvars.colors.black,
        fg = qvars.colors.dim.fg,
        shape = qvars.shape,
        {
            widget = wibox.container.place,
            {
                widget = wibox.widget.textbox,
                text = "󰝚",
                font = qui.font(4)
            }
        },
        id = "no_cover"
    },
    layout = wibox.layout.stack
}

local song = wibox.widget {
    widget = wibox.widget.textbox,
    text = "Nothing Playing  ",
    id = "song"
}

local artist = wibox.widget {
    widget = wibox.widget.textbox,
    markup = qui.markup_fg(qvars.colors.dim.fg, "Nothing Playing  "),
    font = qui.font(0.8),
}

local back = wibox.widget {
    widget = wibox.widget.textbox,
    text = "",
    font = qui.symbol_font(1.5),
    forced_height = beautiful.get_font_height(qui.symbol_font(0.5))
}
back:add_button(awful.button {
    modifiers = {},
    button = btn.LEFT,
    on_press = function()
        playerctl:previous()
    end
})

local play_pause = wibox.widget {
    widget = wibox.widget.textbox,
    text = "",
    font = qui.font(1.5),
    forced_height = beautiful.get_font_height(qui.font(0.5))
}
play_pause:add_button(awful.button {
    modifiers = {},
    button = btn.LEFT,
    on_press = function()
        playerctl:play_pause()
    end
})
playerctl:connect_signal("playback_status", function(_, playing)
    if playing then
        play_pause:set_text("")
    else
        play_pause:set_text("")
    end
end)

local forward = wibox.widget {
    widget = wibox.widget.textbox,
    text = "",
    font = qui.font(1.5),
    forced_height = beautiful.get_font_height(qui.font(0.5))
}
forward:add_button(awful.button {

    modifiers = {},
    button = btn.LEFT,
    on_press = function()
        playerctl:next()
    end
})

local progress_bar = wibox.widget {
    widget = wibox.widget.progressbar,
    max_value = 1,
    value = 0,
    shape = qvars.shape,
    bar_shape = qvars.shape,
    forced_height = beautiful.get_font_height(qui.font(0.5)),
    forced_width = inside_width - (qvars.padding * 2 + qvars.big_padding + back:get_preferred_size_at_dpi(screen[1].dpi) * 3),
    color = qvars.colors.yellow,
    background_color = qvars.colors.black
}
local progress_smoothing = rubato.timed {
    duration = qvars.anim_duration,
    intro = qvars.anim_intro,
    pos = 0,
    subscribed = function(pos)
        progress_bar.value = pos
    end
}
playerctl:connect_signal("position", function(_, pos, len)
    -- progress_bar.value = pos
    progress_smoothing.target = pos
    progress_bar.max_value = len
end)

local archaic = {}

archaic.playerctl = playerctl

archaic.widget = qui.popup {
    placement = function(d)
        return awful.placement.right(d, {
            margins = beautiful.useless_gap * 2
        })
    end,
    ontop = true,
    minimum_width = qvars.bar_size * 20,
    maximum_width = qvars.bar_size * 20,
    minimum_height = height,
    maximum_height = height,
    widget = {
        qui.styled {
            widget = wibox.container.background,
            {
                widget = wibox.container.margin,
                margins = qvars.big_padding,
                {
                    cover,
                    {
                        {
                            {
                                {
                                    widget = wibox.container.scroll.horizontal,
                                    speed = 40,
                                    fps = 60,
                                    step_function = wibox.container.scroll.step_functions.waiting_nonlinear_back_and_forth,
                                    song
                                },
                                {
                                    widget = wibox.container.scroll.horizontal,
                                    speed = 40,
                                    fps = 60,
                                    step_function = wibox.container.scroll.step_functions.waiting_nonlinear_back_and_forth,
                                    artist
                                },
                                layout = wibox.layout.fixed.vertical
                            },
                            {
                                widget = wibox.container.background,
                                bg = gc {
                                    type = "linear",
                                    from = { 0, 0 },
                                    to = { inside_width, 0 },
                                    --     ^-------------------------------------------------------------------------------------- 270px
                                    stops = {
                                        { 0, "#0000000" },
                                        { 0.95, "#0000000" },
                                        { 0.95, qvars.colors.bg .. "1a" },
                                        { 1, qvars.colors.bg }
                                    }
                                }
                            },
                            layout = wibox.layout.stack
                        },
                        nil,
                        {
                            progress_bar,
                            {
                                back,
                                play_pause,
                                forward,

                                spacing = qvars.padding,
                                layout = wibox.layout.fixed.horizontal
                            },
                            spacing = qvars.big_padding,
                            layout = wibox.layout.fixed.horizontal
                        },
                        layout = wibox.layout.align.vertical
                    },
                    spacing = qvars.big_padding - qvars.border_width, -- for some reason awesome adds border_width here
                    layout = wibox.layout.fixed.horizontal
                }
            }
        },
        layout = wibox.layout.fixed.vertical
    }
}

playerctl:connect_signal("metadata", function(_, _song, _artist, _cover)
    -- n { message = "sus" }
    song:set_text(_song .. "  ")
    -- ic.widget:emit_signal("widget::redraw_needed")
    artist:set_markup(qui.markup_fg(qvars.colors.dim.fg, _artist .. " "))
    if _cover == "" then
        cover.cover.visible = false
        cover.no_cover.visible = true
        return
    end
    cover.cover.image = gs.load_uncached(_cover)
    cover.cover.visible = true
    cover.no_cover.visible = false
end)

function archaic:toggle()
    self.widget.visible = not self.widget.visible
end

archaic:toggle()

return archaic