Detect sequential cards

blackjack.py

@@ -10,6 +10,18 @@ class InvalidCard(Exception):
 class InvalidSuit(Exception):
     pass
 
+class NoMatchingCard(Exception):
+    pass
+
+class ChangeSuit(Exception):
+    pass
+
+class IllegalMove(Exception):
+    pass
+
+class NotSequential(Exception):
+    pass
+
 class Game(object):
     def __init__(self, deck, rules):
         self.players = []
@@ -81,6 +93,7 @@ class Game(object):
         last_card = self.playdeck.last_card
         print(f"Last card {last_card}")
         if player == self.last_player:
+            print("Player is last player, setting special to False")
             special = False
         is_playable = self.rules.is_playable_on(last_card, card, special=special)
         print("Card is playable", is_playable)
@@ -95,17 +108,18 @@ class Game(object):
         last_card = self.playdeck.last_card
         for index, card in enumerate(cards):
             print("Combination iter", index, card)
-            # Special cards only active on last card
-            if index == len(cards)-1:
-                print("We are checking the last card")
-                special = True
-            else:
-                special = False
-            is_playable = self.rules.is_playable_on(last_card, card, special)
+            is_playable = self.rules.is_playable_on(last_card, card, special=False)
             if not is_playable:
-                return False
+                raise IllegalMove
+            if index != 0:
+                is_sequential = self.rules.is_sequential(last_card, card)
+                if not is_sequential:
+                    raise NotSequential
             last_card = card
-        self.play_card(player, card)
+        for card in cards:
+            self.play_card(player, card)
+            if card == self.rules.change_suit:
+                raise ChangeSuit
 
 
 class Player(object):
@@ -146,6 +160,7 @@ class SetOfCards(object):
                 self.cards.remove(mycard)
                 print(f"Returned {mycard} and amended cards: {self.cards}")
                 return mycard
+        raise NoMatchingCard
 
     def __str__(self):
         return str(self.cards)
@@ -267,9 +282,16 @@ class Rules(object):
                 return True
         return False
 
-    def is_playable_on(self, bottom_card, card, special, combination=False):
-        print(f"Is playable on {bottom_card} {card}")
+    def is_sequential(self, last_card, card):
+        print("Sequential", last_card, card)
+        is_one_above = card.val.numeric_value == last_card.val.numeric_value + 1
+        print("is one above", is_one_above)
+        is_one_below = card.val.numeric_value == last_card.val.numeric_value - 1
+        print("is one below", is_one_below)
+        return is_one_below | is_one_above
 
+    def is_playable_on(self, bottom_card, card, special):
+        print(f"Is playable on {bottom_card} {card}")
         if special:
             if bottom_card in self.specials_power:
                 print("Bottom card in specials all")
@@ -439,37 +461,45 @@ while 1:
     text = input("~> ")
     parsed_cards = text.split(",")
     print("Parsed", parsed_cards)
-    cards_to_play = []
-    for card in parsed_cards:
-        if len(card) == 0:
-            print("Invalid card")
-            continue
-        print("Parsed card iter", card)
-        try:
-            card_to_play = Card(card)
-            print("Card to play", card_to_play)
-        except InvalidCard:
-            print("Invalid card:", card)
-            continue
-        if card_to_play not in current_player.hand.cards:
-            print(f"Card is not in your hand: {card_to_play}")
-            continue
-        print(f"Attempting to play {card_to_play}")
-        played = game.play_card(current_player, card_to_play)
-        if not played:
-            print("Illegal move!")
-            continue
-        if card_to_play == game.rules.change_suit:
-            suit = None
-            while not suit:
-                new_suit = input("Enter a new suit: #> ")
-                try:
-                    suit = Suit(new_suit)
-                except InvalidSuit:
-                    print(f"Suit {new_suit} is not valid, please select S, H, D or C")
-                    continue
-            print(f"Changing last card of {game.playdeck.cards[-1]} to {suit}")
-            game.playdeck.cards[-1].suit = suit
+    try:
+        cards_to_play = list(map(Card, parsed_cards))
+        print("Cards to play", cards_to_play)
+        played = game.play_combination(current_player, *cards_to_play)
+        # if len(cards_to_play) == 1:
+        #    if len(card) == 0:
+        #        print("Invalid card")
+        #        continue
+        #        card_to_play = Card(card)
+        #        print("Card to play", card_to_play)
+#
+#            print(f"Attempting to play {card_to_play}")
+#            played = game.play_card(current_player, card_to_play)
+#            if not played:
+#                print("Illegal move!")
+#                continue
+    except ChangeSuit:
+        suit = None
+        while not suit:
+            new_suit = input("Enter a new suit: #> ")
+            try:
+                suit = Suit(new_suit)
+            except InvalidSuit:
+                print(f"Suit {new_suit} is not valid, please select S, H, D or C")
+                continue
+        print(f"Changing last card of {game.playdeck.cards[-1]} to {suit}")
+        game.playdeck.cards[-1].suit = suit
+    except InvalidCard:
+        print("Invalid card:", card)
+        continue
+    except IllegalMove:
+        print("Illegal move!")
+        continue
+    except NoMatchingCard:
+        print("You don't have this card!")
+        continue
+    except NotSequential:
+        print("Combination is not sequential!")
+        continue
 
     if len(current_player.hand.cards) == 0:
         print(f"Player {current_player} wins!")