Random Share Joomla article on FB / TWITTER / LINKEDIN

Hi, i have a News Site ([login to view URL]) , I need to publish every day some post with article of our site i need to choose 1) how many article publish in 1 month (if i select 90 articles every 8 hour from time ([login to view URL]) it put a new article on my page ([login to view URL]) 2) Articles Category (multiple choice) 3) Type of access (multiple choice) ex: Public and other interestant choice to limit articles to share in timeline (example number of maximum publish for every article) I Need (i think) a Joomla PLUGIN (for 2.5.9 / 3.0) Version(s)