"""
 card.py
 
 working on the homewor in class
 
"""

from random import randint

#            0      1      2     3
ranknames = [None, 'One', 'Two', 'Three', 'Four', 'Five',
             'Six', 'Seven', 'Eight', 'Nine', 'Ten',
             'Jack', 'Queen', 'King'
            ]
suitnames = ['Clubs', 'Diamonds', 'Hearts', 'Spades']
suitletters = ['c', 'd', 'h', 's']


# This dictionary does what convert_letter does ...
# only better and faster. suitindexes['c'] is just 0
suitindexes = {'c': 0, 
               'd': 1, 
               'h': 2,
               's': 3 }

def convert_letter(letter):
    """ convert c,d,h,s to 0,1,2,3 """
    if letter == 'c':
        return 0
    elif letter == 'd':
        return 1
    elif letter == 'h':
        return 2
    elif letter == 's':
        return 3
    else:
        raise Exception("IncorrectSuitLetter")

class Card:
    
    def __init__(self, 
                 rank, 
                 suit
                ):
        # rank is a number 1 to 13
        # suit is "c", "d", "h", or "s"
        # will want to show "Four of Clubs" for 4, "c"
        self.rankindex = rank
        self.suitindex = convert_letter(suit)

    def __str__(self):
        rankname = ranknames[self.rankindex]
        suitname = suitnames[self.suitindex]
        return f"{rankname} of {suitname}"

def random_card():
    """ Create and return a random card """
    rank = randint(1, 13)
    letter = suitletters[randint(0,3)]
    return Card(rank, letter)

def main():
    card = random_card()
    print(card)

if __name__ == '__main__':
    main()