Casino Holdem

Casino Holdem is a casino poker game. The player plays against the house dealer. After placing an ante bet, two cards are dealt to the player and the dealer, and three community cards are dealt face up. The player has to either fold and lose his/her bet or raise and play the hand. The raise bet must be double of the ante bet. Then two more community cards are dealt face up. Player and dealer makes their best five card poker hand out out their own two cards and the five community cards. The dealer must have a pair of 4s or better to qualify. The pay rules are as follow :-
1) If the dealer does not qualify, the ante bet is paid according to the pay table below and the raise bet is returned.
2) If the dealer qualifies and the player's hand is better than the dealer's, the ante bet is paid according to the pay table below and the raise bet is paid even amount.
3) If the dealer qualifies and the player's hand is equal to the dealer's, all bets are pushed.
4) If the dealer qualifies and the player's hand is worse than the dealer's, all bets are lost.

Pay table :-
Royal flush 100 to 1
Straight flush 20 to 1
Four of a kind 10 to 1
Full house 3 to 1
Flush 2 to 1
Straight or less 1 to 1