# 5-Card_Stud_Poker.py

import random
from collections import Counter
from hand_utils import evaluate_hand, Tuple, List, Card, SUITS, RANKS

starting_chips = 0  # Default starting chips for each player

rank_counts = Counter()

@staticmethod
def setup_players():
    num_players = int(input("Enter number of players (2–5): "))
    if not 2 <= num_players <= 5:
        raise ValueError("Must be between 2 and 5 players.")

    players = []
    for i in range(num_players):
        name = f"Player {i+1}"
        while True:
            try:
                starting_chips = int(input(f"Enter starting chips for {name}: "))
                if starting_chips <= 0:
                    print("Starting chips must be a positive number.")
                    continue
                break
            except ValueError:
                print("Please enter a valid integer.")
        players.append(Player(name, starting_chips))

    return players
 
@staticmethod
def deal_round(deck, players, round_num):
    print(f"\n--- Round {round_num} ---")
    for player in players:
        if not player.folded:
            player.receive_face_up_card(deck.deal_card())
            print(player.show_hand())

@staticmethod
def determine_winner(players):
    best_score = (-1, -1)
    winner = None

    for player in players:
        if player.folded:
            continue
        full_hand = [player.hole_card] + player.face_up_cards
        score = evaluate_hand(full_hand)
        print(f"{player.name} hand score: {score}")
        if score > best_score:
            best_score = score
            winner = player

    if winner:
        print(f"\n🏆 {winner.name} wins with: {winner.reveal_full_hand()}")
    return winner

def deal_initial_cards(deck, players):
    for player in players:
        player.receive_hole_card(deck.deal_card())  # face-down
        player.receive_face_up_card(deck.deal_card())  # first face-up
        
@staticmethod
def play():
    deck = Deck()
    players = setup_players()
    pot = 0 # 💰 Initialize pot
    deal_initial_cards(deck, players)
    
    # Simulate betting
    for player in players:
        if not player.folded:
            current_bet = 10
            if player.chips >= current_bet:
                player.chips -= current_bet
                pot += current_bet
            else:
                pot += player.chips
                player.chips = 0

    for round_num in range(2, 5):  # 3 more face-up cards
        deal_round(deck, players, round_num)
        print(f"\n--- Round {round_num} ---")
        
        for player in players:
            if not player.folded:
                player.receive_face_up_card(deck.deal_card())
                print(player.show_hand())
                
        current_bet, pot = betting_round(players, current_bet, pot)
     
    # Showdown
    print("\n--- Showdown ---")
    for player in players:
        if not player.folded:
            print(player.reveal_full_hand())

    winner = determine_winner(players)
    if winner:
        print(f"\nTotal pot: {pot}")
        winner.chips += pot  # 💰 Award the pot
        print(f"{winner.name} receives {pot} chips.")

    print("\n--- Final Chip Stacks ---")
    for player in players:
        print(f"{player.name}: {player.chips} chips")
        
        
def betting_round(players: list, current_bet: int, pot: int) -> tuple[int, int]:
    print(f"\nCurrent bet: {current_bet}")
    for player in players:
        if player.folded:
            continue
        
        print(f"\n{player.name}'s turn — Chips: {player.chips}")
        print(f"Visible cards: {' '.join(str(card) for card in player.face_up_cards)}")
        decision = input("Choose action: call(c), raise(r) or fold(f): ").strip().lower()

        if decision == 'f':
            player.folded = True
            print(f"{player.name} folds.")
        elif decision == 'c':
            try:
                pot += player.place_bet(current_bet)
                print(f"{player.name} calls {current_bet}.")
            except ValueError as e:
                print(e)
                player.folded = True
        elif decision == 'r':
            try:
                raise_amount = int(input("Enter raise amount: "))
                total_bet = current_bet + raise_amount
                pot += player.place_bet(total_bet)
                current_bet = total_bet
                print(f"{player.name} raises to {current_bet}.")
            except ValueError as e:
                print(e)
                player.folded = True
        else:
            print("Invalid input. Treating as fold.")
            player.folded = True

    return current_bet, pot

class Deck:
    def __init__(self):
        self.cards: List[Card] = [Card(rank, suit) for suit in SUITS for rank in RANKS]
        random.shuffle(self.cards)

    def deal_card(self) -> Card:
        return self.cards.pop(0)

    def deal_hand(self, num: int = 5) -> List[Card]:
        hand = self.cards[:num]
        del self.cards[:num]
        return hand

class Player:
    def __init__(self, name: str, starting_chips: int):
        self.name = name
        self.hold_card: Card = None
        self.face_up_cards: List[Card] = [] 
        self.hand: List[Card] = []
        self.folded = False
        self.chips = starting_chips
 
    def place_bet(self, amount):
        if amount > self.chips:
            raise ValueError(f"{self.name} doesn't have enough chips to bet {amount}.")
        self.chips -= amount
        return amount
   
    def receive_hole_card(self, card):
        self.hole_card = card
      
    def receive_face_up_card(self, card):
        self.face_up_cards.append(card)


    def show_hand(self):
        return f"{self.name}: {' '.join(str(card) for card in self.face_up_cards)}"

    def reveal_full_hand(self):
        return f"{self.name}: {str(self.hole_card)} " + ' '.join(str(card) for card in self.face_up_cards)

    def hand_rank(self) -> Tuple[int, List[int]]:
        return evaluate_hand(self.hand) 
      
    def make_decision(self):
        high_ranks = {'J', 'Q', 'K', 'A'}
        visible_ranks = [card.rank for card in self.face_up_cards]
        if any(rank in high_ranks for rank in visible_ranks):
            return 'call'
        else:
            return 'fold'
      
def hand_rank_name(rank: int) -> str:   
    names = {
        9: "Royal Flush",
        8: "Straight Flush",
        7: "Four of a Kind",
        6: "Full House",
        5: "Flush",
        4: "Straight",
        3: "Three of a Kind",
        2: "Two Pair",
        1: "One Pair",
        0: "High Card"
    }
    return names.get(rank, "Unknown Hand")

class Game:
    def __init__(self):
        self.deck = Deck()
        self.players = setup_players()
        for player in self.players:
            player.hand = self.deck.deal_hand()
            
    def deal_initial_cards(deck, players):
        for player in players:
            player.receive_hole.card(deck.deal_card())  # hole card
            player.receive_face_up_card(deck.deal_card())  # first face-up card

    def deal_round(deck, players, round_num):
        print(f"\n--- Round {round_num} ---")
        for player in players:
            if not player.folded:
                player.receive_face_up_card(deck.deal_card())
                print(player.show_hand())
                

def main():
    print("Welcome to 5-Card Stud Poker!")
    play()
    '''
    deck = Deck()
    players = setup_players()
    deal_initial_cards(deck, players)

    current_bet = 10
    pot = 0

    for round_num in range(2, 5):
        print(f"\n--- Round {round_num} ---")
        for player in players:
            if not player.folded:
                player.receive_face_up_card(deck.deal_card())
                print(player.show_hand())

        current_bet, pot = betting_round(players=players, current_bet=current_bet, pot=pot)

    print("\n--- Showdown ---")
    for player in players:
        if not player.folded:
            print(player.reveal_full_hand())

    print(f"\nTotal pot: {pot}")
        
    # Simulate betting round
    current_bet, pot = betting_round(players, current_bet, pot)
    pot += current_bet * sum(1 for p in players if not p.folded)
    
    # Showdown
    print("\n--- Showdown ---")
    for player in players:
        if not player.folded:
            print(player.reveal_full_hand())
            
    determine_winner(players)
    print(f"\nTotal pot: {pot}")
    
    print("\n--- Final Chip Stacks ---")
    for player in players:
        print(f"{player.name}: {player.chips} chips")
'''
   
if __name__ == "__main__":
    main()