facebook graph api help

Our website is [login to view URL] and we are developing software for ecommerce stores on shopify platform - we have an app called giftwizard on shopify. Currently we have a few hundreds of customers. We want to add sharing functionality to our [login to view URL] already implemented a facebook share dialog that enable the customers in the stores to share products they buy in the stores using our app. Now we want to add the next functionality: track how many people posted on facebook using our share dialog Track how many people share the post Track the texts people wrote in the posts Recored the number of people who clicked on the link in the post and got back to the product page in the store Send back to us all the tracking data so we can present it to the store owners in our software We want to have a permanent title to the post that we prefer that it won’t be possible to erase: @”name of recipient” received a gift from @”name of store” by @”name of buyer” We want to have a defualt text in the share dialog [login to view URL]