"""
simple_cards.py

A simplified version of Card, Deck, Hand,
using only values 1 to 10 for each card,
a 10 card deck, and a 3 card hand.

Jim M | Nov 2012
"""
import random

class Card(object):
    """ A playing card with value 1 to 10, no suit """
    def __init__(self, value):
        self.value = value
    def __str__(self):
        return "Card({})".format(self.value)
    def __cmp__(self, other):
        return cmp(self.value, other.value)

class Deck(object):
    """ A collection of Card objects """
    def __init__(self):
        self.cards = []
        for i in range(1, 11):
            self.cards.append(Card(i))
        self.shuffle()
    def __str__(self):
        return "A deck of {} cards".format(len(self.cards))
    def shuffle(self):
        random.shuffle(self.cards)
    def deal_one_card(self):
        which_card = random.randrange(len(self.cards))
        return self.cards.pop(which_card)
    def deal_cards(self, n):
        result = []
        for i in range(n):
            result.append(self.deal_one_card())
        return result

class Hand(object):
    """ Here a hand is 3 cards, just to keep it simple """
    def __init__(self, deck):
        self.cards = deck.deal_cards(3)
        self.cards.sort()  # put them in order
    def __str__(self):
        result = "Cards:"
        for c in self.cards:
            result += str(c.value) + " "
        return result
    def is_straight(self):
        for i in range(1, 3):  # look at cards i=1,2
            if self.cards[i].value != self.cards[i-1].value+1:
                return False
        return True