smart contract lotteries

Good Morning. Guys, I was thinking about lotteries and I saw that lotteries today are not very reliable. so thinking about it I thought about creating a lottery that was reliable in the form of a smart contract. where the person chooses 6 numbers and places the bet, and the contract itself draws automatically every Friday, and the winner takes the prize and if more than one winner is heard, the smart contract divides the prize between the winners. , would it be possible to create it in the bitcoin blockcahin?