Share info to facebook and instagram

We need to develop a share tool, please check the attach image just want my customers to share our information to his facebook, facebook group and instagram. If shared successfully, he can win the discount, or he won't you can develop the code return a true or false. If share succesfully, return true, or return false. If you have read project description carefully then mention list of links you saw in attached project description picture below of image. other wise bid will be waste or ignore.