Solana nft game

please let me explain the simple lottery idea I have. It is just an example to make it easy to understand. There will be sold 1000 tickets. Each ticket costs $1 and as soon 1000 tickets are sold there will be an auto draw with 2 different winners of let's say $500 each. a simple affiliate option is needed means that each ticket buyer needs to get a ref code and will get for each referred ticket buyer one ticket for free. the provably fair draw should be done with chainlink VRF or any other randomness solution. all this is new to me and I am looking for an expert. The gas fee for this game is very important and it must be as low as possible actually I need the smart contract and the Dapp. The Dapp should be easy and simple like this one [login to view URL] the smart contract needs to be configurable points important to understand refer a friend draw for 2 different prize winners smart contract needs to be configurable, for amount of tickets prize will be in native platform token, e.g. 1 MATIC - 100 TT - $1 prize amount e.g $500 to $1000 etc amount of prize winners from 2 winners to 3 etc [login to view URL],f_auto/v1/secured-attachments/message/attachments/5e3eb339f16f3c2ca9f5caf104d685ed-1634350487279/[login to view URL]~hmac=04156b3445fc6a3a6887607a583e870c501a0212cd0992b9aeecc432c5da6585