local hsl = require("dieter.hsl").hslToHex

local colors = {
	light = {
		background = "#fefeff",
		foreground = "#202020",
		intense = "#000000",
		primary = "#ff0000",
		secondary = "#00ff00",
		diagnostic_error = "#ff0038",
		diagnostic_warning = "#ffcc00",
		diagnostic_info = "#47eae0",
		diagnostic_hint = "#47eae0",
		diff_add = "#00ff77",
		diff_change = "#47eae0",
		diff_delete = "#ff0038",

		add = hsl(84, 75, 67),
		add_quarter = hsl(84, 80, 95),
		change = hsl(41, 50, 75),
		change_quarter = hsl(224, 100, 85),
		delete = hsl(350, 100, 40),
		delete_quarter = hsl(350, 100, 85),

		highlight_subtle = "#f0f0f0",
		dimmed = "#cccccc",
	},

	dark = {
		background = "#000000",
		foreground = "#b2b2b2",
		intense = "#e7e7e7",
		primary = "#00ff00",
		secondary = "#555555",
		diagnostic_error = "#ff0038",
		diagnostic_warning = "#ff7700",
		diagnostic_info = "#47eae0",
		diagnostic_hint = "#47eae0",
		diff_add = "#00ff77",
		diff_change = "#47eae0",
		diff_delete = "#ff0038",
		dimmed = "#666666",
		highlight_subtle = "#101010",
	},
}

local c = colors[vim.o.background]

local theme = {
	Constant = { link = "Normal" },
	Delimiter = { link = "Normal" },
	Identifier = { link = "Normal" },
	Normal = { fg = c.foreground, bg = c.background },
	Keyword = { fg = c.foreground, bold = true },
	Operator = { link = "Normal" },
	Special = { link = "Normal" },
	String = { link = "Normal" },
	Type = { link = "Normal" },

	DiffAdd = { fg = c.add, bg = c.add_quarter },
	GitSignsAdd = { fg = c.add, bg = c.background },
	GitSignsAddNr = { link = "DiffAdd" },
	DiffChange = { fg = c.change, bg = c.change_quarter },
	GitSignsChange = { fg = c.change, bg = c.background },
	GitSignsChangeNr = { link = "DiffChange" },
	DiffDelete = { fg = c.delete, bg = c.delete_quarter },
	GitSignsDelete = { fg = c.delete, bg = c.background },
	GitSignsDeleteNr = { link = "DiffDelete" },

	-- Treesitter
	["@function"] = { link = "Normal" },
	["@special"] = { link = "Normal" },
	["@variable"] = { link = "Normal" },

	-- UI Elements
	CursorLine = { bg = c.highlight_subtle },
	DiagnosticSignError = { fg = c.diagnostic_error },
	DiagnosticSignHint = { fg = c.diagnostic_hint },
	DiagnosticSignInfo = { fg = c.diagnostic_info },
	DiagnosticSignWarn = { fg = c.diagnostic_warning },
	LineNr = { fg = c.dimmed, italic = true },
	IndentLine = { fg = "#ffffff" },
	IndentLineCurrent = { fg = c.dimmed },
	TreesitterContext = { reverse = true },
	TreesitterContextLineNumber = { bg = c.dimmed, reverse = true, italic = true },
	InclineNormal = { bg = "bg" },
	InclineNormalNC = { bg = "bg" },
}

vim.cmd("hi clear")

if vim.fn.exists("syntax_on") == 1 then
	vim.cmd("syntax reset")
end

for group, hl in pairs(theme) do
	vim.api.nvim_set_hl(0, group, hl)
end

vim.g.colors_name = "dieter"