tell application "Terminal"
	try
		-- we look for <= 2 because Emacs --daemon seems to always have an entry in visibile-frame-list even if there isn't
		set frameVisible to do shell script "/Applications/Emacs.app/Contents/MacOS/bin/emacsclient -e '(<= 2 (length (visible-frame-list)))'"
		if frameVisible is not "t" then
			-- there is a not a visible frame, launch one
			do shell script "/Applications/Emacs.app/Contents/MacOS/bin/emacsclient -c -n"
		end if
	on error
		-- daemon is not running, start the daemon and open a frame		
		do shell script "/Applications/Emacs.app/Contents/MacOS/Emacs --daemon"
		do shell script "/Applications/Emacs.app/Contents/MacOS/bin/emacsclient -c -n"
	end try
end tell

-- bring the visible frame to the front
tell application "Emacs" to activate