Comment poster for Facebook Page

Hello.. We want comment poster for last posts of the facebook page. We enter area : 1. Facebook pages url or page id (more than 1) 2. How much last post of pages for sending comment. (sent comment for last 3 posts, sent comment for last 4 posts, sent comment for last 5 posts etc..) 3. Timing for sending post. (every 15min. , every 30min. , every 60min. , every 120min. , ever 240min. , every 480min. , every 960min. , every 1440min.)