upload automation for freespring.com

mass products uploads automation for https://teespring.com/ in more details : i have like 1000 designs i want to upload them one by one automatically to teespring the bot or the process must choose designs from a folder in my pc and start uploading one by one , each design needs a title and a price and a description . i want to be able to enter default information that will be used for all products , or specific information for each product . the title of the product can be the same as the name of the design.png file name .