main.py

import copy
import random

NUMBER_OF_ROUNDS = 10000
STACK = 1000

from exampleBots import raiseBot
from exampleBots import manualBot
from exampleBots import checkBot
from exampleBots import callBot
from exampleBots import foldBot
from exampleBots import allinBot
PLAYERS_manual = [
    {
        "name": "manualBot",
        "bot": manualBot,
        "stack": STACK *10
    },
    # {
    #     "name": "raiseBot",
    #     "bot": raiseBot,
    #     "stack": STACK
    # },
    {
        "name": "callBot",
        "bot": callBot,
        "stack": STACK
    },
    {
        "name": "callBot2",
        "bot": callBot,
        "stack": STACK
    },
    # {
    #     "name": "checkBot",
    #     "bot": checkBot,
    #     "stack": STACK
    # },
    # {
    #     "name": "foldBot",
    #     "bot": foldBot,
    #     "stack": STACK
    # },
    # {
    #     "name": "allinBot",
    #     "bot": allinBot,
    #     "stack": STACK
    # },
    # {
    #     "name": "allin2",
    #     "bot": allinBot,
    #     "stack": STACK
    # }
]

PLAYERS_auto =     [
    {
        "name": "raiseBot",
        "bot": raiseBot,
        "stack": STACK
    },
    {
        "name": "callBot",
        "bot": callBot,
        "stack": STACK
    },
    {
        "name": "checkBot",
        "bot": checkBot,
        "stack": STACK
    },
    {
        "name": "foldBot",
        "bot": foldBot,
        "stack": STACK
    },
    {
        "name": "allinBot",
        "bot": allinBot,
        "stack": STACK
    },
    ]

PLAYERS = PLAYERS_auto

def test_total_money(players, total, id):
    total_money = 0
    for player in players:
        total_money += player.stack
        total_money += player.bet
    assert total_money == total, "\n\nTotal money (" + str(total_money) + ") is not the same as the total stack (" + str(total)+") of the players. id:(" + str(id) + ")"



class Deck():
    def __init__(self):
        self.original_deck = ["2♠", "3♠", "4♠", "5♠", "6♠", "7♠", "8♠", "9♠", "T♠", "J♠", "Q♠", "K♠", "A♠",
                    "2♥", "3♥", "4♥", "5♥", "6♥", "7♥", "8♥", "9♥", "T♥", "J♥", "Q♥", "K♥", "A♥",
                    "2♦", "3♦", "4♦", "5♦", "6♦", "7♦", "8♦", "9♦", "T♦", "J♦", "Q♦", "K♦", "A♦",
                    "2♣", "3♣", "4♣", "5♣", "6♣", "7♣", "8♣", "9♣", "T♣", "J♣", "Q♣", "K♣", "A♣"]
        self.deck = copy.deepcopy(self.original_deck)
        self.shuffle_and_reset()
    
    def shuffle_and_reset(self):
        self.deck = copy.deepcopy(self.original_deck)
        random.shuffle(self.deck)
        
    def draw_card(self):
        assert len(self.deck) > 0, "\n\nDeck is empty, cannot draw card"
        return self.deck.pop(0)


ROYAL_FLUSH_VALUE =     900000014
STRAIGHT_FLUSH_VALUE =  900000000
FOUR_OF_A_KIND_VALUE =  800000000
FULL_HOUSE_VALUE =      700000000
FLUSH_VALUE =           600000000
STRAIGHT_VALUE =        500000000
THREE_OF_A_KIND_VALUE = 400000000
TWO_PAIR_VALUE =        300000000
PAIR_VALUE =            200000000
    


class GameEngine():
    def __init__(self):
        self.players = []
        self.initPlayers()
        self.init_total_stack()
        print("Total pot: ", self.total_pot)
        self.deck = Deck()
        self.table_cards = [None, None, None, None, None]
        self.dealer = random.randint(0, len(self.players) - 1)
        self.small_blind_amount = 10
        self.big_blind_amount = 20
        self.rotate_dealer_and_blinds()
        self.min_raise = 1
        self.max_raise = None

    def init_total_stack(self):
        total = 0
        for player in self.players:
            total += player.stack
        self.total_pot = total
        
        
    
    def initPlayers(self):
        for player in PLAYERS:
            self.players.append(Player(player["name"], player["bot"], player["stack"]))
    
    def generate_gamestate(self):
        return {
            "players": [player.playerState() for player in self.players],
            "table_cards": self.table_cards,
            "dealer": self.dealer,
            "small_blind_player": self.small_blind_player,
            "big_blind_player": self.big_blind_player,
            "small_blind_amount": self.small_blind_amount,
            "big_blind_amount": self.big_blind_amount,
            "min_raise": self.min_raise,
            "max_raise": self.max_raise,
        }
    
    def print_gamestate(self):
        pot = 0
        for player in self.players:
            pot += player.bet

        print("\n---------------------------------------------------------------")
        print(f"{'PlayerName':<15}{'Bet':<10}{'Stack':<10}{'HasFolded':<15}{'IsAllIn':<10}")
        for player in self.players:
            print(f"{player.name:<15}{player.bet:<10}{player.stack:<10}{str(player.hasFolded):<15}{str(player.isAllIn):<10}")
        print("\nTotal pot:", str(pot),"")
        print("---------------------------------------------------------------\n")

    def print_table_cards(self):
        print("\nTable:", self.table_cards, "\n")
    
    def deal_cards(self):
        self.deck.shuffle_and_reset()
        for player in self.players:
            player.hand = [self.deck.draw_card(), self.deck.draw_card()]
        self.table_cards = [None, None, None, None, None]

    def player_play(self, player):
        print()
        move, amount = player.play(self.generate_gamestate(), self.players.index(player))
        if move == "raise":
            print("Player", player.name, " has played:", move, amount)
        else:
            print("Player", player.name, " has played:", move)

        print()
        return move
    
    def reset_bet_fold_and_allin(self):
        for player in self.players:
            player.bet = 0
            player.hasFolded = False
            player.isAllIn = False

            assert player.stack > 0, "\n\nPlayer stack is 0 or less, player: " + player.name + " stack: " + str(player.stack)

    def rotate_dealer_and_blinds(self):
        if len(self.players) > 2:
            self.dealer = (self.dealer + 1) % len(self.players)
            self.small_blind_player = (self.dealer + 1) % len(self.players)
            self.big_blind_player = (self.small_blind_player + 1) % len(self.players)
            
        else:
            self.dealer = (self.dealer + 1) % len(self.players)
            self.small_blind_player = (self.dealer) % len(self.players)
            self.big_blind_player = (self.small_blind_player + 1) % len(self.players)
        

    # skal:
    # - dele ut kort
    # - betale blinds
    # - prompt player for move
    # - legge ut kort på bordet
    def play_round(self):
        print("\n-----Starting new round-----\n")
        self.deal_cards()
        self.reset_bet_fold_and_allin()
        self.rotate_dealer_and_blinds()

        # Small blind
        self.players[self.small_blind_player].payBlind(self.small_blind_amount)
        # Big blind
        self.players[self.big_blind_player].payBlind(self.big_blind_amount)
        # playing_player = dealer index + 1 modulo number of players

        playing_player = (self.big_blind_player + 1) % len(self.players)

        has_matched_n = -1
        previous_highest_bet = 0
        while True:

            next_bid_round = False
            # Check if all except one player has folded
            n_folded = 0
            for player in self.players:
                if player.hasFolded:
                    n_folded += 1
            if n_folded == len(self.players) - 1:
                self.score_winner()
                return

            # Find highest bet
            highest_bet = 0
            for player in self.players:
                if player.bet > highest_bet:
                    highest_bet = player.bet

            # Check if all players have matched the highest bet, or if it has increased
            if highest_bet > previous_highest_bet:
                previous_highest_bet = highest_bet
                has_matched_n = 0


            # Sees if all the players have matched the highest bet
            if previous_highest_bet == highest_bet and has_matched_n == len(self.players):
                print("All players have matched the highest bet")
                next_bid_round = True
                has_matched_n = 0
           
            has_matched_n += 1

            self.print_gamestate()

            

            if not next_bid_round:
                if self.players[playing_player].hasFolded:
                    print("Player", self.players[playing_player].name, "has already folded")
                    playing_player = (playing_player + 1) % len(self.players)
                
                elif self.players[playing_player].isAllIn:
                    print("Player", self.players[playing_player].name, "is already all in")
                    playing_player = (playing_player + 1) % len(self.players)
                
                # elif self.players[playing_player].bet == highest_bet:
                #     if highest_bet == self.big_blind_amount:
                #         self.player_play(self.players[playing_player])
                #         playing_player = (playing_player + 1) % len(self.players)
                #     else:
                #         print("Player", self.players[playing_player].name, "has already matched the highest bet")
                #         playing_player = (playing_player + 1) % len(self.players)
                    
                else:
                    self.print_table_cards()
                    if self.players[playing_player].name == "manualBot":
                        self.players[playing_player].print_hand()
                    self.player_play(self.players[playing_player])
                    playing_player = (playing_player + 1) % len(self.players)

            else:
                print("\n- Next bid round -\n")
                # Deal next cards:
                if self.table_cards[0] is None:
                    self.table_cards[0] = self.deck.draw_card()
                    self.table_cards[1] = self.deck.draw_card()
                    self.table_cards[2] = self.deck.draw_card()
                elif self.table_cards[3] is None:
                    self.table_cards[3] = self.deck.draw_card()
                elif self.table_cards[4] is None:
                    self.table_cards[4] = self.deck.draw_card()
                    
                elif self.table_cards[4] is not None:
                    self.score_winner()
                    return
                else:
                    assert False, "\n\nError in next_bid_round. (no condition met)"
                playing_player = (self.dealer + 1) % len(self.players)
                has_matched_n = 0

        assert False, "\n\nError in play_round (reached end)"



    def score_winner(self):
        test_total_money(self.players, self.total_pot, 1)
        
        candidates = []
        for player in self.players:
            if not player.hasFolded:
                candidates.append(player)

        assert len(candidates) > 0, "\n\nERROR No candidates for winner"

        winner = candidates[0]
        number_of_winners = 1

        
        highest_hand = 0
        if len(candidates) > 1:
            print("\nTable cards:", self.table_cards, "\n")
            for player in candidates:
                score, hand_type = self.assign_value_to_hand(player.hand, self.table_cards)
                print(player.name, player.hand, " :",hand_type ,"\n")
                if score > highest_hand:
                    highest_hand = score
                    winner = player
                    number_of_winners = 1
                elif score == highest_hand:
                    number_of_winners += 1

        # More than 1 winner
        if number_of_winners > 1:

            # find all the winners
            winners = []
            for player in candidates:
                score, hand_type = self.assign_value_to_hand(player.hand, self.table_cards)
                if score == highest_hand:
                    winners.append(player)
            for winner_p in winners:
                print("Winner:", winner_p.name, ":", winner_p.hand)

            # Sort the players based on how close after the dealer they are
            winners.sort(key=lambda x: (self.players.index(x) - self.dealer) % len(self.players))

            pot = 0
            for player in self.players:
                pot += player.bet
                player.bet = player.bet*2
                # player.bet = 0
            
            lastpot = -1
            infinateloop = 0
            while pot > 0:
                if pot == lastpot:
                    infinateloop += 1
                    if infinateloop > 5:
                        assert False, "\n\nInfinateloop in pot split"
                else:
                    infinateloop = 0
                lastpot = pot
                
                print("Pot: ", pot)
                # print winners
                for winnerr in winners:
                    if winnerr.bet > 0:
                        winnerr.stack += 1
                        winnerr.bet -= 1
                        pot -= 1
                        # print("giving 1 pot to: ", winnerr.name, ". he now has ", winnerr.stack)
                    else:
                        print("removing winner: ", winnerr.name)
                        print("Their bet was not high enough to win any more of the pot")
                        print("They now have: ", winnerr.stack)

                        winners.remove(winnerr)

                




        # 1 winner
        else:
            
            pot = 0
            winner_bet = winner.bet
            for player in self.players:
                if player.bet > winner_bet:
                    pot += winner_bet
                    player.bet -= winner_bet
                    player.stack += player.bet
                    player.bet = 0
                else:
                    pot += player.bet
                    player.bet = 0
        
            print("Winner: ", winner.name)
            print("wins the pot: ", pot)
            winner.stack += pot
        
        # Reset the bet of players
        for player in self.players:
            player.bet = 0            

        # assert False, "Split implementation not finished"

        test_total_money(self.players, self.total_pot, 2)
 
    
    def assign_value_to_hand(self, hand, table_cards):
        highest_hand = 0
        highest_hand_type = "High card"

        tmp_cards = hand + table_cards
        # print (tmp_cards)
        # print()

        cards = []

        for card in tmp_cards:
            tmp_card_val = card[0]
            if tmp_card_val == "T":
                tmp_card_val = "10"
            elif tmp_card_val == "J":
                tmp_card_val = "11"
            elif tmp_card_val == "Q":
                tmp_card_val = "12"
            elif tmp_card_val == "K":
                tmp_card_val = "13"
            elif tmp_card_val == "A":
                tmp_card_val = "14"
            else:
                tmp_card_val = "0" + str(tmp_card_val)
            
            cards.append(tmp_card_val + card[-1])
        
        cards.sort(key=lambda x: int(x[:-1]))           
        
        #Look for flush
        suits = {}
        for card in cards:
            if card[-1] in suits:
                suits[card[-1]] += 1
            else:
                suits[card[-1]] = 1
        most_common_suit = max(suits, key=suits.get)
        most_common_suit_n = suits[most_common_suit]

        if most_common_suit_n >= 5:

            straight_flush = []
            for card in cards:
                if card[-1] == most_common_suit:
                    # if straight_flush[len(straight_flush)     see if the card is one higher than the last card
                    if len(straight_flush) > 0:
                        if int(card[:-1]) == int(straight_flush[-1][:-1]) + 1:
                            straight_flush.append(card)
                        else:
                            straight_flush = [card]
                    else:
                        straight_flush.append(card)
            if len(straight_flush) >= 5:

                handValue = STRAIGHT_FLUSH_VALUE + int(straight_flush[-1][:-1])

    # ROYAL STRAIGHT FLUSH ---------------------------
                if handValue == ROYAL_FLUSH_VALUE:
                    # print("Royal straight flush")
                    # print(straight_flush)
                    if handValue > highest_hand:
                        highest_hand_type = "Royal straight flush"
                        highest_hand = handValue
                
                else:
    # STRAIGHT FLUSH ---------------------------
                    # print("Straight flush")
                    # print(straight_flush)
                    if handValue > highest_hand:
                        highest_hand_type = "Straight flush"
                        highest_hand = handValue

    # FLUSH ---------------------------
            # print("Flush")
            # print(most_common_suit)
            # handValue = FLUSH_VALUE + all the 5 highest cards in hand
            handValue = FLUSH_VALUE
            # all the 5 highest cards in hand, that are of the same suit, gets added to hand value
            multiplier = 10000
            for card in reversed(cards):
                if card[-1] == most_common_suit:
                    handValue += int(card[:-1])*multiplier
                    multiplier = int(multiplier / 10)
                    if multiplier == 0:
                        break
            print(handValue)
            if handValue > highest_hand:
                highest_hand_type = "Flush"
                highest_hand = handValue

    # FOUR OF A KIND ---------------------------
        values = {}
        for card in cards:
            if card[:-1] in values:
                values[card[:-1]] += 1
            else:
                values[card[:-1]] = 1
        most_common_value = max(values, key=values.get)
        most_common_value_n = values[most_common_value]
        if most_common_value_n == 4:
            # print("Four of a kind")
            # print(most_common_value)
            highest_card = 0
            for card in cards:
                if card[:-1] != most_common_value:
                    if int(card[:-1]) > highest_card:
                        highest_card = int(card[:-1])
            # print("Highest card: ", highest_card)
            handValue = FOUR_OF_A_KIND_VALUE + int(most_common_value)*100 + highest_card
            if handValue > highest_hand:
                highest_hand_type = "Four of a kind"
                highest_hand = handValue

        if most_common_value_n == 3:
    # FULL HOUSE ---------------------------
            for card in cards:
                if card[:-1] != most_common_value:
                    if values[card[:-1]] == 2:
                        # print("Full house")
                        # print(most_common_value, card[:-1])
                        handValue = FULL_HOUSE_VALUE + int(most_common_value)*100 + int(card[:-1])
                        if handValue > highest_hand:
                            highest_hand_type = "Full house"
                            highest_hand = handValue
                    
    # THREE OF A KIND ---------------------------
            highest_card = 0
            seccound_highest_card = 0

            for card in cards:
                if card[:-1] != most_common_value:
                    if int(card[:-1]) > highest_card:
                        seccound_highest_card = highest_card
                        highest_card = int(card[:-1])
                    elif int(card[:-1]) > seccound_highest_card:
                        seccound_highest_card = int(card[:-1])
            
            # print("Three of a kind")
            # print(most_common_value)
            handValue = THREE_OF_A_KIND_VALUE + int(most_common_value)*100 + highest_card*10 + seccound_highest_card
            if handValue > highest_hand:
                highest_hand_type = "Three of a kind"
                highest_hand = handValue
    
    # TWO PAIR ---------------------------
        if most_common_value_n == 2:
            seccound_most_common_value = 0
            for card in cards:
                if card[:-1] != most_common_value:
                    if values[card[:-1]] == 2:
                        seccound_most_common_value = card[:-1]
                        break
            highest_card = 0
            for card in cards:
                if card[:-1] != most_common_value and card[:-1] != seccound_most_common_value:
                    if int(card[:-1]) > highest_card:
                        highest_card = int(card[:-1])
            if seccound_most_common_value != 0:

                # print("Two pair")
                # print(most_common_value, seccound_most_common_value)
                handValue = TWO_PAIR_VALUE + int(most_common_value)*100 + int(seccound_most_common_value)*100 + highest_card
                if handValue > highest_hand:
                    highest_hand_type = "Two pair"
                    highest_hand = handValue
            else:
    # PAIR ---------------------------
                # print("Pair")
                # print(most_common_value)
                handValue = PAIR_VALUE + int(most_common_value)*10000 + highest_card

                multiplier = 1000
                for card in reversed(cards):
                    if card[:-1] != most_common_value:
                        handValue += int(card[:-1])*multiplier
                        multiplier = int(multiplier / 10)
                        if multiplier == 0:
                            break

                if handValue > highest_hand:
                    highest_hand_type = "Pair"
                    highest_hand = handValue
            


    # STRAIGHT ---------------------------
        straight = []
        for card in cards:
            if len(straight) > 0:
                if int(card[:-1]) == int(straight[-1][:-1]) + 1:
                    straight.append(card)
                else:
                    straight = [card]
            else:
                straight.append(card)
        if len(straight) >= 5:
            # print("Straight")
            # print(straight)
            handValue = STRAIGHT_VALUE + int(straight[-1][:-1])
            if handValue > highest_hand:
                highest_hand_type = "Straight"
                highest_hand = handValue


    # HIGH CARD ---------------------------
        handValue = 0
        multiplier = 10000
        for card in reversed(cards):
            handValue += int(card[:-1])*multiplier
            multiplier = int(multiplier / 10)
            if multiplier == 0:
                break
        if handValue > highest_hand:
            highest_hand = handValue
        
        # print(highest_hand_type)
        # print("-----------------")
        return highest_hand, highest_hand_type


    def run_sim(self):
        for _ in range(NUMBER_OF_ROUNDS):
            self.play_round()
            
            self.print_gamestate()
            
            test_total_money(self.players, self.total_pot, 3)
    
            n = 0
            while n < len(self.players):
                if self.players[n].stack == 0:
                    print("Player ", self.players[n].name, " is out of money, and leaves the table")
                    self.players.remove(self.players[n])
                else:
                    n += 1

            test_total_money(self.players, self.total_pot, 4)

            self.rotate_dealer_and_blinds()
 
            if len(self.players) == 1:
                print("\n------------------------------------------\n     WINNER:\n    ", self.players[0].name)
                print("\n    Stack: ", self.players[0].stack,)
                print("------------------------------------------")
                
                return
                    
        



class Player():
    def __init__(self, name, botFunction, stack):
        self.name = name
        print("Player:", name, "joined the game")
        assert len(name) > 0 and len(name) <= 12, "\n\nPlayer name must be between 1 and 12 characters long"
        self.botFunction = botFunction
        self.hand = [None, None]
        self.stack = stack
        self.bet = 0
        self.hasFolded = False
        self.isAllIn = False
        self.hasPlayedThisCheckRound = False
    
    def playerState(self):
        return {
            "name": self.name,
            "stack": self.stack,
            "bet": self.bet,
            "hasFolded": self.hasFolded
        }
    
    def print_hand(self):
        print("\n"+ str(self.name), "hand:", self.hand, "\n")
    
    def payBlind(self, amount):
        if amount >= self.stack:
            print("Blind amount is more than or equal to stack. Going allin for player:", self.name)
            self.bet += self.stack
            self.stack = 0
            self.isAllIn = True
        else:
            self.stack -= amount
            self.bet += amount
        

    def play(self, gameState, yourPlayersIndex):
        hand = copy.deepcopy(self.hand)
        state = copy.deepcopy(gameState)
        index = copy.deepcopy(yourPlayersIndex)

        move, amount = self.botFunction(state, index, hand)

        # Output validation
        possible_moves = ["fold", "check", "call", "raise", "allin"]

        if move not in possible_moves:
            print("BOT ERROR in possible moves, for player: ", self.name)
            self.hasFolded = True
            return "fold", 0

        # FOLD
        if move == "fold":
            self.hasFolded = True
            return "fold", 0
        
        # CHECK
        if move == "check":
            # see if the player can check
            highest_bet = 0
            for player in state["players"]:
                if player["bet"] > highest_bet:
                    highest_bet = player["bet"]
            if highest_bet > self.bet:
                print("BOT ERROR, check when there is a higher bet, player:", self.name)
                self.hasFolded = True
                return "fold", 0
            return "check", 0
        
        # RAISE
        if move == "raise":
            if amount is None:
                print("BOT ERROR, raise amount is None, player:", self.name)
                self.hasFolded = True
                return "fold", 0
            else:
                amount = int(amount)
            
            if amount < state["min_raise"]:
                if amount == self.stack:
                    print("Not enough money in stack for thee raise, goes all in, player:", self.name)
                    self.bet += self.stack
                    self.stack = 0
                    self.isAllIn = True
                    return "allin", 0
                else:
                    print("BOT ERROR, raise amount is less than min_raise, player:", self.name)
                    self.hasFolded = True
                    return "fold", 0
            if state["max_raise"] is not None:
                if amount > state["max_raise"]:
                    print("BOT ERROR, raise amount is more than max_raise, player:", self.name)
                    self.hasFolded = True
                    return "fold", 0
            if amount > self.stack:
                print("Raise amount is more than stack, player:", self.name, "goes all in")
                self.bet += self.stack
                self.stack = 0
                self.isAllIn = True
                return "allin", 0
            
            # see if the raise is as much or more than largest bet
            highest_bet = 0
            for player in state["players"]:
                if player["bet"] > highest_bet:
                    highest_bet = player["bet"]
            if amount < highest_bet:
                print("Raise amount is less than highest bet. Folding. player:", self.name)
                self.hasFolded = True
                return "fold", 0
            
            
            self.stack -= amount
            self.bet += amount
            return "raise", amount
        
        # CALL
        if move == "call":
            # find call ammount by looking at the highest bet
            highest_bet = 0
            for player in state["players"]:
                if player["bet"] > highest_bet:
                    highest_bet = player["bet"]
            call_amount = highest_bet - self.bet
            if call_amount > self.stack:
                print("Call amount is more than stack, going all in. player:", self.name)
                self.bet += self.stack
                self.stack = 0
                self.isAllIn = True
                return "allin", 0
            else:
                self.stack -= call_amount
                self.bet += call_amount
                return "call", call_amount
            
        # ALLIN
        if move == "allin":
            if self.stack == 0:
                # print("BOT ERROR, allin with no stack, player:", self.name)
                self.isAllIn = True
                return "allin", 0
            self.bet += self.stack
            self.stack = 0
            self.isAllIn = True
            return "allin", 0
        
        print("CODE_ERROR, reached end: ", self.name)
        self.hasFolded = True
        return "fold", 0



if __name__ == '__main__':
    game = GameEngine()
    game.run_sim()