-- Lua vim-dummy variable
if vim == nil then
	local vim = {}
end

-- @name setup_pascal
-- @param
-- @short Verify installation of pascal tools or install them.
local function setup_pascal()
	local check_ptop = { os.execute("which ptop") }

	-- if return value is 1, get ptop
	if check_ptop == 1 then
		os.execute("wget -o ~/.local/bin/ptop https://www.nickr.eu/data/ptop64")
		os.execute("chmod +x ~/.local/bin/ptop")
	end

	vim.opt.spell = false
end

-- Setup and verify pascal tools when opening a pascal file
vim.api.nvim_create_autocmd({ "BufEnter" }, {
	pattern = { "*.pas" },
	callback = setup_pascal,
})

-- @name leave_pascal
-- @param
-- @short Leave pascal and reverse any changes to my editor defaults
local function leave_pascal()
	vim.opt.spell = true
end

vim.api.nvim_create_autocmd({ "BufLeave" }, {
	pattern = { "*.pas" },
	callback = leave_pascal,
})

-- @name auto_format
-- @param
-- @short The format function for pascal.
local function auto_format()
	vim.cmd("checktime %")
	local write_cmd = "ptop -i 4 -c ~/.config/nvim/ptop.conf "
		.. vim.api.nvim_buf_get_name(0)
		.. " "
		.. vim.api.nvim_buf_get_name(0)
	os.execute(write_cmd)
	vim.cmd("checktime %")
end

-- Add formatter command
vim.api.nvim_create_autocmd({ "BufWritePost" }, {
	pattern = { "*.pas" },
	callback = auto_format,
})