-- ─< Set path to your shell functions file (update this to your actual path) >─────────
local shell_script_path = vim.fs.joinpath(vim.fn.stdpath("config") .. "/functions.sh")

-- ─< Add this before the keymap definition to check for file existence >───────────────
if vim.uv.fs_stat(shell_script_path) then -- Check if file exists
	-- inserts shell commands (sources ~/.config/nvim/functions.sh to source predefined functions)
	vim.keymap.set({ "n", "i" }, "<leader>tt", function()
		vim.ui.input({ prompt = "Shell Command: " }, function(input_cmd)
			if not input_cmd or input_cmd == "" then
				return
			end

			-- Construct the command to source your functions and execute
			local full_cmd = string.format(
				"source %s && %s", -- Uses POSIX-compliant '&&' to fail if source fails
				vim.fn.shellescape(shell_script_path),
				input_cmd
			)

			-- Execute in bash to ensure function availability
			local result = vim.fn.system({ "bash", "--norc", "--noprofile", "-c", full_cmd })
			local exit_code = vim.v.shell_error

			-- Handle errors
			if exit_code ~= 0 then
				vim.notify(
					"Error (" .. exit_code .. "):\n" .. result,
					vim.log.levels.ERROR,
					{ title = "Command Failed" }
				)
				return
			end

			-- Process output
			local lines = vim.split(result:gsub("\n$", ""), "\n")

			-- Insert at cursor position
			local row, col = unpack(vim.api.nvim_win_get_cursor(0))
			if #lines == 1 then
				vim.api.nvim_set_current_line(
					vim.api.nvim_get_current_line():sub(1, col)
						.. lines[1]
						.. vim.api.nvim_get_current_line():sub(col + 1)
				)
			else
				vim.api.nvim_buf_set_lines(0, row, row, false, lines)
			end
		end)
	end, { desc = "Insert Shell Output (with functions)" })
else
	vim.notify("Shell functions file not found: " .. shell_script_path, vim.log.levels.WARN)
end