---@alias Variant "main" | "moon" | "dawn"
---@alias Color { fg: string, bg: string, sp: string, bold: boolean, italic: boolean, undercurl: boolean, underline: boolean, underdouble: boolean, underdotted: boolean, underdashed: boolean, strikethrough: boolean }

local M = {}

---@class Options
M.options = {
	---Set the desired variant: "auto" will follow the vim background,
	---defaulting to "main" for dark and "dawn" for light. To change the dark
	---variant, use `options.dark_variant = "moon"`.
	---@type "auto" | Variant
	variant = "auto",

	---Set the desired dark variant: applies when `options.variant` is set to
	---"auto" to match `vim.o.background`.
	---@type Variant
	dark_variant = "main",

	bold_vert_split = false,

	dim_nc_background = false,

	disable_background = false,
	disable_float_background = false,
	disable_italics = false,

	groups = {
		background = "base",
		background_nc = "nc",
		panel = "surface",
		panel_nc = "base",
		border = "highlight_med",
		comment = "muted",
		link = "iris",
		punctuation = "muted",
		error = "crimson",
		hint = "foam",
		info = "iris",
		warn = "gold",
		git_add = "foam",
		git_change = "rose",
		git_delete = "crimson",
		git_dirty = "rose",
		git_ignore = "muted",
		git_merge = "iris",
		git_rename = "sand",
		git_stage = "iris",
		git_text = "rose",
		headings = {
			h1 = "iris",
			h2 = "foam",
			h3 = "rose",
			h4 = "gold",
			h5 = "sand",
			h6 = "foam",
		},
	},

	---@type table<string, Color>
	highlight_groups = {},
}

---@param options Options|nil
function M.extend(options)
	M.options = vim.tbl_deep_extend("force", M.options, options or {})
end

return M