Random_password_generator

##MICHAEL_BENNETT
##SDEV300_7380
##Professor_Zachery_Fair
##Week2_assignment2_Generate_Secure_Password
##3/28/2023


import secrets
import string



def validate_input():
    while True:
        choice = input( "Would you like a secure randomly generated password? (y/n): " )
        if choice == "y" or choice == "n":
            return choice
            break
        else:
            print( "Invalid input. Please enter y or n." )


def prompt_length():
    while True:
        try:
            length = int( input( "Please enter the length of the password: " ) )
            if length > 0:
                return length
                break
            else:
                print( "Invalid input. Please enter a positive number." )
        except ValueError:
            print( "Invalid input. Please enter a positive number." )


def prompt_characters(uppercase=None):
    upper_case = input( "Would you like to include upper case letters (y/n): " )
    lower_case = input( "Would you like to include lower case letters (y/n): " )
    numbers = input( "Would you like to include numbers (y/n): " )
    special_characters = input( "Would you like to include special characters (y/n): " )
    return uppercase, lower_case, numbers, special_characters


def generate_password(length, upper_case, lower_case, numbers, special_characters, secrets=None):
    """

    :param length:
    :param upper_case:
    :param lower_case:
    :param numbers:
    :param special_characters:
    :type secrets: object
    """
    characters = ""
    if upper_case == "y":
        characters += string.ascii_uppercase
    if lower_case == "y":
        characters += string.ascii_lowercase
    if numbers == "y":
        characters += string.digits
    if special_characters == "y":
        characters += string.punctuation
    password = ''.join( secrets.choice( characters ) for x in range( length ) )
    return password


def main():
    choice = validate_input()
    if choice == "y":
        length = prompt_length()
        upper_case, lower_case, numbers, special_characters = prompt_characters()
        password = generate_password( length, upper_case, lower_case, numbers, special_characters, secrets )
        print( "Your secure password is:", password )
        print( f'This password contains {length} characters, with a mix of uppercase letters, digits, '
               f'lowercase letters, and punctuation' )


if __name__ == "__main__":
    main()