--[[

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣷⣦⣄⡀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠚⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠗⢀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣄⡉⠓⠦⣌⡙⠻⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠟⢋⣡⠴⠚⢉⣠⣤⣀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣤⣶⣿⣿⣿⣿⣿⣷⣦⣄⡉⠓⠦⣌⡙⠻⢿⣿⣿⣿⣿⣿⣿⡿⠟⢋⣡⠴⠚⢉⣠⣴⣾⣿⣿⣿⣿⣿⣶⣤
⠀⠀⠀⠀⠀⠀⠀⠀⠐⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠓⠦⣌⡙⠻⠟⢋⣡⠴⠚⢉⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⠂
⠀⠀⠀⠀⢀⣠⣴⣆⡈⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠃⠘⢉⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢁⣰⣦⣄⡀
⠀⠀⠐⠾⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠷⠂
⠀⢸⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⡇
⠀⢸⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⡇
⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⡆⢰⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠃⠘⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⡇⢸⣿⣿⣿⣿⠿⠛⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⡇⢸⠿⠛⠉

              __             _             _
             / _|___     ___| |_ __ _  ___| | __
            | ||_  /____/ __| __/ _` |/ __| |/ /
            |  _/ /_____\__ \ || (_| | (__|   <
            |_|/___|    |___/\__\__,_|\___|_|\_\

                Neovim 0.12 configuration
                  (c) Frank Zechert 2026
]]
local create_group = vim.api.nvim_create_augroup
local create_cmd = vim.api.nvim_create_autocmd
local function contains(tbl, value)
	for _, v in ipairs(tbl) do
		if v == value then
			return true
		end
	end
	return false
end

-- briefly highlithg text that is yanked
create_cmd("TextYankPost", {
	desc = "Highlight yanked text",
	group = create_group("cmd-highlight-yank", { clear = true }),
	callback = function()
		vim.highlight.on_yank()
	end,
})

-- recognize all scripts with bash shebang as bash filetype
create_cmd({"BufRead", "BufNewFile"}, {
	desc = "Recognize bash shebang as bash filetype",
	group = create_group("cmd-recognize-bash-filetype", { clear = true }),
	pattern = "*",
	callback = function(args)
		local buf = args.buf
		local first_line = vim.api.nvim_buf_get_lines(buf, 0, 1, false)[1] or ""
		if first_line:match("^#!.*/bash") then
			vim.bo[buf].filetype = "bash"
		end
	end,
})

-- disable list chars in specific filetypes, e.g. netrw
create_cmd({"FileType"}, {
	desc = "Disable list chars for some filetypes",
	pattern = { "netrw" },
	callback = function(args)
		vim.opt_local.list = false
	end,
})

-- automatically remove trailing whitespace on save file
create_cmd({"BufWritePre"}, {
	desc = "Remove trailing whitespace when saving",
	group = create_group("cmd-remove-trailing-whitespace", { clear = true }),
	pattern = "*",
	callback = function(args)
		vim.api.nvim_buf_call(args.buf, function()
			vim.cmd([[%s/\s\+$//e]])
		end)
	end,
})

-- automatically set textwidth if not set otherwise
create_cmd({"FileType"}, {
	desc = "Automatically set textwidth",
	pattern = "*",
	callback = function(args)
		local buf = args.buf
		if vim.bo[buf].textwidth == 0 then
			vim.bo[buf].textwidth = vim.g.ui.textwidth[vim.bo[buf].filetype] or vim.g.ui.textwidth.default
		end
	end,
})