Need to connect my site to facebook (articles, comments, likes share)

Hello, Here are the task: Connect my site internet with my personal page on Facebook and Facebook professional page Each new article or comment must be sheared between the internet site and Facebook pages Articles: site internet --> Facebook pages Comments: site internet Facebook professional page Facebook personal page Clients must be able to leave the comments on my site with Facebook, Google, Twitter login. Standard wordpress form must be available also. Under each article need to have "Facebook like", "google +" and "Twitter" buttons It is possible that the tasks will be slightly modified