I need a thinkscript code on Thinkorswims platform to autotrade based off of a zone

I need a code that will, based on a very specific pattern, automatically calculate a "zone" (price range). Then based on the pattern, if the price moves away 2:1, will automatically buy at a set price and sell at 1:1 based on the size of the zone. So if the price range / zone (difference in top of pattern and bottom price of pattern ex: Top of Zone: 20.40 - Bottom of Zone: 20.10 = .30, the program would automatically buy and then sell at 20.70.) So, pattern is found and the price moves away 2:1 directly after pattern, there are no more than three candlesticks in the zone directly after pattern, then this means we have a solid zone. We need to buy automatically when it gets back into the zone and sell once it moves up 1:1. I hope this makes sense. Please ask questions before bidding. I have attached some images to hopefully help explain what we're looking for.