import random

def main():
    #Initialize variables
    play_again_counter = 0
    winnings = 0
    bet = 25
    money = 1000
    name = ''

    restore()

    if name != "" and money != -1:
        resume = input("Resume saved game '" + name + "'? (y/n) ")
        if resume == 'y':
            print(name + "has $" + money)
            print()

            #Run game and loop if the user wants to keep playing
            while play_again_counter == 0:
                bet = input_bet(bet, money)
                winnings = play_hand(name, bet)
                money += winnings
                print()
                print(name + " has $" + str(money))
                print()

                #Loop game if player wants to play again
                if bet == 0:
                    play_again_counter = 1
                else:
                    play_again_counter = 0
        else:
            #Get user's name and print out starting value
            name = input("Name? ")
            print(name + " has $1,000")
            print()

            #Run game and loop if the user wants to keep playing
            while play_again_counter == 0:
                bet = input_bet(bet, money)
                winnings = play_hand(name, bet)
                money += winnings
                print()
                print(name + " has $" + str(money))
                print()

                #Loop game if player wants to play again
                if bet == 0:
                    play_again_counter = 1
                else:
                    play_again_counter = 0
    else:
        #Get user's name and print out starting value
        name = input("Name? ")
        print(name + " has $1,000")
        print()

        #Run game and loop if the user wants to keep playing
        while play_again_counter == 0:
            bet = input_bet(bet, money)
            winnings = play_hand(name, bet)
            money += winnings
            print()
            print(name + " has $" + str(money))
            print()

            #Loop game if player wants to play again
            if bet == 0:
                play_again_counter = 1
            else:
                play_again_counter = 0


def save(name, money):
    save_info = open('blackjack.save', 'w')

    save_info.write(name + '\n')
    save_info.write(money + '\n')

    save_info.close()


def restore():
    try:
        read_info = open('blackjack.save', 'r')

        #Read the lines of text
        name_in_file = read_info.readline()
        money_in_file = read_info.readline()

        #Strip \n from the text lines
        name_in_file = name_in_file.rstrip('\n')
        money_in_file = money_in_file.rstrip('\n')


    except FileNotFoundError:
        name = ""
        money = -1

    return name, money


def input_bet(bet, money):
    while True:
        #Ask for bet
        bet_check = input("Bet? (0 to quit, Enter to stay at $" + str(bet) + ") ")

        #Check if player hit Enter
        if bet_check == "":
            #Check whether or not player has enough money in account to continue
            #with the same bet
            if bet < money:
                break
            elif bet > money:
                print("You cannot bet more than $" + money)

        else:
            #Check if input was integer
            try:
                bet_check = int(bet_check)
                #Check if they want to quit
                if bet_check == 0:
                    print("Player has quit")
                    save(name, money)
                    bet = bet_check
                    exit()
                #Check that bet check is not negative
                elif bet_check < 0:
                    print("You cannot bet a negative amount")
                #Check that bet is less than amount in account
                else:
                    if bet_check > money:
                        print("You cannot bet more than $" + str(money))
                    else:
                        bet = bet_check
                        break
            #If input was not an integer
            except ValueError:
                #Output error if input was a float
                try:
                    bet_check = float(bet_check)
                    print("You must bet a whole number")
                #Output error if input was not a number
                except ValueError:
                    print("You must type a number")

    return bet


def play_hand(name, bet):
    #Deal intial cards for dealer and player
    dealer_num = random.randint(2, 11)
    print("Dealer received card of value " + str(dealer_num))
    player_num1 = random.randint(2, 11)
    print(name + " received card of value " + str(player_num1))
    player_num2 = random.randint(2, 11)
    print(name + " received card of value " + str(player_num2))

    #Calculate totals for dealer and player
    dealer_total = dealer_num
    print("Dealer total: " + str(dealer_total))
    player_total = player_num1 + player_num2
    print(name + " total: " + str(player_total))

    #Initialize counter variables
    dealer_counter = 0
    player_counter = 0

    #Check if player total is 21
    if player_total == 21:
        #Continue picking cards for dealer if player gets 21
        while dealer_counter == 0:
            dealer_card = random.randint(2, 11)
            dealer_total += dealer_card
            print("Dealer received card of value " + str(dealer_card))
            print("Dealer total: " + str(dealer_total))
            print(name + " total: " + str(player_total))
            print()
            if dealer_total >= 17:
                dealer_counter = 1
        #Output results for dealer ending less than 21
        if dealer_total < 21:
            print(name + " wins")
            winnings = bet
            return winnings
        #Output results for dealer tie with player
        elif dealer_total == 21:
            print("Push")
            winnings = 0
            return winnings
        #Output results for dealer bust
        else:
            print("Dealer bust")
            winnings = bet
            return winnings

    #Check if player total is less than 21
    elif player_total < 21:
        #Ask player what move they want to make
        while player_counter == 0:
            move = input("Move? (h/s) ")
            print()
            #Continue dealing cards to player and outputting results for hit
            if move == 'h':
                player_card = random.randint(2, 11)
                player_total += player_card
                print(name + " received card of value " + str(player_card))
                print("Dealer total: " + str(dealer_total))
                print(name + " total: " + str(player_total))
                print()
                if player_total >= 21:
                    player_counter = 1
            #Stop dealing cards to player for stay
            elif move == 's':
                player_counter = 1

        #Check if player does not bust
        if player_total <= 21:
            #Continue picking cards for dealer if player stays
            while dealer_counter == 0:
                dealer_card = random.randint(2, 11)
                dealer_total += dealer_card
                print("Dealer received card of value " + str(dealer_card))
                print("Dealer total: " + str(dealer_total))
                print(name + " total: " + str(player_total))
                print()

                #Pick cards for dealer while his total is less than 17
                if dealer_total >= 17:
                    dealer_counter = 1

            #Check if dealer ends less than 21
            if dealer_total < 21:
                #Compare dealer total to player total and determine winner
                if dealer_total < player_total:
                    print(name + " wins")
                    winnings = bet
                    return winnings
                elif dealer_total > player_total:
                    print("Dealer wins")
                    winnings = -bet
                    return winnings
                else:
                    print("Push")
                    winnings = 0
                    return winnings
            #Check if dealer ends at 21
            elif dealer_total == 21:
                #Compare dealer total to player total and determine winner
                if dealer_total == player_total:
                    print("Push")
                    winnings = 0
                    return winnings
                else:
                    print("Dealer wins")
                    winnings = -bet
                    return winnings
            #Check if dealer busts
            else:
                print("Dealer bust")
                winnings = bet
                return winnings

        #Check if player busts after move
        elif player_total > 21:
            print(name + " bust")
            winnings = -bet
            return winnings

    #Check if player busts after initial pick
    else:
        print(name + " bust")
        winnings = -bet
        return winnings

main()