# Name: Marisa Tania
# Class: F19 CS F021A 02W
# Program: Rock, Paper, Scissors Game

# This is allows the user to play
# Rock, Paper, Scissors Game
# against the computer.

# Import random module.
import random

def main():

    # 0 is a placeholder and will not be used.
    player_wins = 0
    computer_wins = 0

    # This loop will run the game 5 times that count
    # and keep track of how many wins
    # the player and the computer have.
    while player_wins != 5 or computer_wins != 5:

        # Computer chooses a random number.
        comp_number = random.randint(1, 3)

        # Initialize value of comp_choice variable
        # corresponding to the comp_number value.
        if comp_number == 1:
            comp_choice = 'Rock'
        elif comp_number == 2:
            comp_choice = 'Paper'
        else:
            comp_choice = 'Scissor'

        # User enter their numeric choice from a menu.
        user_number = int(input('Enter 1 for rock, 2 paper, 3 scissors: '))

        # Check user's input using a validation loop.
        while user_number > 3 or user_number < 1:
            print('Please choose a value of 1, 2, or 3')
            user_number = int(input('Enter 1 for rock, 2 paper, 3 scissors: '))

        # Get the value in string.
        choice_string = choiceString(user_number)

        # Get the computer's and user's choices.
        rock_paper_scissors = rockPaperScissors(comp_choice, choice_string)

        # Display user's choice
        print('You chose ' + choice_string)

        # Display computer's choice
        print('Computer chose ' + comp_choice)

        # Determine and display who wins this game
        # Calculate score
        if rockPaperScissors == 1:
            print ('The computer wins the game')
        elif rockPaperScissors == 2:
            print ('You win the game')
        elif rockPaperScissors == 0:
            print ('You made the same choice as computer. Starting over')
            print ()

        # Calculate computer's and user's score
        if rockPaperScissors == 1:
            computer_wins = computer_wins + 1
        elif rockPaperScissors == 2:
            player_wins = player_wins + 1

        print("Player wins " + str(player_wins))
        print("Player wins " + str(computer_wins))

    # Display score
    print('After 5 runs, the totals are:')
    print('You\t', player_wins)
    print('Computer', computer_wins)

# The choiceString function receives the choice number
# and returns that value in string
def choiceString (choice):
    if choice == 1:
        return 'Rock'
    elif choice == 2:
        return 'Paper'
    else:
        return 'Scissor'

# The rockPaperScissors function receives numbers
# representing the computer's and player's choices.
def rockPaperScissors (computer, player):
    if (player == 'Rock' and computer == 'Scissor'):
        return 2
    elif (player == 'Scissor' and computer == 'Paper'):
        return 2
    elif (player == 'Paper' and computer == 'Rock'):
        return 2
    elif (computer == 'Rock' and player == 'Scissor'):
        return 1
    elif (computer == 'Scissor' and player == 'Paper'):
        return 1
    elif (computer == 'Paper' and player == 'Rock'):
        return 1
    elif (computer == 'Rock' and player == 'Rock'):
        return 0
    elif (computer == 'Paper' and player == 'Paper'):
        return 0
    elif (computer == 'Scissor' and player == 'Scissor'):
        return 0


# Call the main function
main ()