local awful = require "awful"
local btns = awful.button.names
local gshape = require "gears.shape"
local wibox = require "wibox"
-- local qconts = require "quarrel.consts"
local qbezier = require "quarrel.animation.bezier"

local qvars = {}

-- ---@param protected (fun(): table) | table
-- function qconsts.protect(protected)
--     ---@type table
--     local tbl
--     if type(protected) == "table" then
--         tbl = protected
--     elseif type(protected) == "function" then
--         tbl = protected()
--     else
--         error("expected a table or a function that returns a table, got " .. type(protected), 2)
--     end
--     return setmetatable({}, {
--         __index = tbl,
--         __newindex = function(t, k, v)
--             error("attempted to change constant " .. tostring(k) .. " to " .. tostring(v), 2)
--         end
--     })
-- end

-- qui.BORDER_WIDTH = 1
-- qui.BORDER_RADIUS = 4

-- qui.PADDING = 4
-- qui.BIG_PADDING = 8

qvars.text_font = "Iosevka Comfy Regular"
qvars.font_size = 9
qvars.font = qvars.text_font .. " " .. qvars.font_size

local char_width, char_height = wibox
    .widget({
        widget = wibox.widget.textbox,
        text = "a",
    })
    :get_preferred_size_at_dpi(awful.screen.focused().dpi)

-- qui.CHAR_HEIGHT = char_height
-- qui.CHAR_WIDTH = char_width

--- Clip Cairo context
---@param cr cairo_surface Cairo surface
---@param w integer Widget width
---@param h integer Widget height
---@return nil
-- function qui.shape(cr, w, h)
--     -- gears.shape.rounded_rect(cr, w, h, dpi(4))
--     gshape.rounded_rect(cr, w, h, qui.BORDER_RADIUS)
-- end

qvars.anim_duration = 0.30
qvars.anim_intro = qvars.anim_duration / 4

local easing_bezier = qbezier(0.2, 0, 0, 1)
function qvars.easing(t, b, c, d)
    local epsilon = 1000 / d
    return c * easing_bezier:solve(t / d, epsilon) + b
end

qvars.notif_timeout = 3

-- qvars.bar_size = dpi(24) + qui.BIG_PADDING * 2
-- qvars.element_size = dpi(12)
-- qvars.bar_size = 24 + qui.BIG_PADDING * 2
-- qvars.element_size = 12
-- qvars.expanded_bar_size = qui.BIG_PADDING + (qui.BIG_PADDING * 2 + qvars.element_size * 4) * 4 + qui.PADDING * 2

-- local function palette(colors)
--     return setmetatable(colors, {
--         __call = function(self)
--             return self[1]
--         end,
--     })
-- end

-- local colors = require "quarrel.color"
-- qcolor.palette = colors.palette
-- qcolor.palette = {
-- fg = palette {
--     low = "#a8afb7",
--     "#c8ced7",
--     high = "#e8eff8",
-- },
--
-- bg = palette {
--     lowest = "#070c11",
--     low = "#0c1116",
--     "#12161c",
--     high = "#171c22",
--     highest = "#1d2228",
-- },
--
-- border = palette {
--     "#323b46",
--     variant = "#262f39",
-- },
--
-- red = palette {
--     "#ff928a",
--     bright = "#ffb2a9",
-- },
-- orange = palette {
--     "#ff9f6f",
--     bright = "#ffc08e",
-- },
-- yellow = palette {
--     "#ecb256",
--     bright = "#ffd278",
-- },
-- green = palette {
--     "#8bd294",
--     bright = "#abf3b3",
-- },
-- cyan = palette {
--     "#6dd3c2",
--     bright = "#8ef4e2",
-- },
-- blue = palette {
--     "#8bc3fc",
--     bright = "#abe4ff",
-- },
-- purple = palette {
--     "#c4b1f6",
--     bright = "#e4d1ff",
-- },
-- pink = palette {
--     "#e5acb4",
--     bright = "#ffccd4",
-- },
--
-- transparent = "#00000000",
-- }

-- qcolor.palette = {
--     fg = x_col.foreground,
--     bg = x_col.background,
--
--     black = x_col.color0,
--     red = x_col.color1,
--     green = x_col.color2,
--     yellow = x_col.color3,
--     blue = x_col.color4,
--     pink = x_col.color5,
--     cyan = x_col.color6,
--     white = x_col.color7,
--
--     bright = {
--         black = x_col.color8,
--         red = x_col.color9,
--         green = x_col.color10,
--         yellow = x_col.color11,
--         blue = x_col.color12,
--         pink = x_col.color13,
--         cyan = x_col.color14,
--         white = x_col.color15,
--     },
--
--     dim = {
--         fg = "#77828c",
--         bg = "#161b22",
--     },
--
--     transparent = "#00000000",
-- }

-- taken from https://github.com/bew/dotfiles/blob/ab9bb1935783f7a31ef777b1d7e26d53f35df864/gui/wezterm/cfg_utils.lua
-- qbind.mods = setmetatable({ _SHORT_MAP = { C = "Control", S = "Shift", A = "Mod1", M = "Mod4" } }, {
--     __index = function(self, key)
--         local resolved_mods = {}
--         for i = 1, #key do
--             resolved_mods[i] = self._SHORT_MAP[key:sub(i, i)]
--         end
--         return resolved_mods
--     end,
-- })
--
-- ---@enum buttons
-- qbind.btns = {
--     left = btns.LEFT,
--     right = btns.RIGHT,
--     middle = btns.MIDDLE,
--     up = btns.SCROLL_UP,
--     down = btns.SCROLL_DOWN,
-- }

return qvars