import random


# variables

turns = 0
active_card = ""
chosen_card = ""
player_hand = []
cpu_hand1 = []
cpu_hand2 = []
cpu_hand3 = []
play_turn = 1
skipped = False
reverse = False
skipped_turns = False
pickup = 0
plus_two = False
plus_four = False

deck = [
    "red 0", "red 1", "red 1", "red 2", "red 2", "red 3", "red 3", "red 4", "red 4", "red 5", "red 5", "red 6", "red 6", "red 7", "red 7", "red 8", "red 8", "red 9", "red 9",
    "yellow 0", "yellow 1", "yellow 1", "yellow 2", "yellow 2", "yellow 3", "yellow 3", "yellow 4", "yellow 4", "yellow 5", "yellow 5", "yellow 6", "yellow 6", "yellow 7", "yellow 7", "yellow 8", "yellow 8", "yellow 9", "yellow 9",
    "green 0", "green 1", "green 1", "green 2", "green 2", "green 3", "green 3", "green 4", "green 4", "green 5", "green 5", "green 6", "green 6", "green 7", "green 7", "green 8", "green 8", "green 9", "green 9",
    "blue 0", "blue 1", "blue 1", "blue 2", "blue 2", "blue 3", "blue 3", "blue 4", "blue 4", "blue 5", "blue 5", "blue 6", "blue 6", "blue 7", "blue 7", "blue 8", "blue 8", "blue 9", "blue 9",
    "blue reverse","green reverse","blue reverse","green reverse","yellow reverse","red reverse","yellow reverse", "red reverse",
    "blue +2","green +2","blue +2","green +2","yellow +2","red +2","yellow +2", "red +2",
    "blue skip","green skip","blue skip","green skip","yellow skip","red skip","yellow skip", "red skip",
    "wild card", "wild card", "wild card", "wild card",
    "wild +4", "wild +4", "wild +4", "wild +4"
    ]



# I put the fun in dysfunctional (functions)

def rules():
    while True:
        rules = input("would you like to read the rules?").lower()
        if rules in ("yes", "y"):
            instructions()
            break
        elif rules in ("no", "n"):
            print("Okay then")
            print("")
            break
        else:
            print("Please answer with either yes or no")
            continue
def instructions():
    print("             RULES")
    print("its uno go read uno rules fool")
def deal(player, number):
    for i in range(number):
        player.append(deck[random.randint(0, len(deck) - 1)])
def start_game(cards_deal):
    global active_card
    active_card = (deck[random.randint(0, len(deck) - 33)])
    deal(player_hand, cards_deal)
    deal(cpu_hand1, cards_deal)
    deal(cpu_hand2, cards_deal)
    deal(cpu_hand3, cards_deal)
def int_check_cards_dealt(value1, value2):

    error = f"please enter an integer between {value1} & {value2}."

    while True:
        try:
            response = int(input(f"How many cards would you like to be dealt? (pick between {value1} and {value2})"))

            if response < value1 or response > value2:
                print(error)

            else:
                return response

        except ValueError:
            print(error)
def player_choose_card():
    global active_card
    global chosen_card
    global reverse
    global skipped
    global pickup
    global plus_four
    global plus_two

    print("It's your turn")
    print(f"Current card: {active_card}")
    print("")
    print("                 Your hand:")
    print(player_hand)
    print("")
    
    

    while True:
        chosen_card = input("What card would you like to play, or type draw to pickup if you can't play any: ").lower()
        print(chosen_card)
        split_chosen_card = chosen_card.split(" ")
        split_active_card = active_card.split(" ")
        
        if chosen_card in player_hand:

            #check if card is the right colour

            if split_chosen_card[0] == split_active_card[0] or split_chosen_card[1] == split_active_card[1]:
                if split_chosen_card[1] == "reverse":
                    reverse = not reverse
                elif split_chosen_card[1] == "skip":
                    skipped = True
                elif split_chosen_card[1] == "+2":
                    pickup +=2
                    plus_two = True
                else:
                    pass
                print(f"you chose a {chosen_card}")
                active_card = chosen_card
                player_hand.remove(chosen_card)
                break

            #checks if the card is wild
            elif chosen_card == "wild card":
                while True:
                    wild_colour = input("What colour would you like the wild card to be?").lower()

                    if wild_colour in ["red", "blue", "green", "yellow"]:
                        active_card_split = [wild_colour, "wild"]
                        active_card = " ".join(active_card_split)
                        player_hand.remove(chosen_card)
                        break
                    else:
                        print("please answer with a colour (red, yellow, green, blue)")
                        continue
                break

            elif chosen_card == "wild +4":
                pickup += 4
                plus_four = True

                wild_colour = input("What colour would you like the wild card to be?").lower()
                while True:
                    if wild_colour in ["red", "blue", "green", "yellow"]:
                        active_card_split = [wild_colour, "wild"]
                        active_card = " ".join(active_card_split)
                        player_hand.remove(chosen_card)
                        break
                    else:
                        print("please answer with a colour (red, yellow, green, blue)")
                        continue
                break

            else:
                print(f"You can't play this card on a {active_card}. Please pick another card")
                continue

        elif chosen_card == "draw":
            print("You drew one card, here is your hand now:")
            print("")
            deal(player_hand, 1)
            print(player_hand)
            break
        
        else:
            print("Please enter the name of one of your cards, or draw")
            continue
def cpu_choose_card(cpu_hand_num):
    global active_card
    global reverse
    global skipped
    global pickup
    global plus_four
    global plus_two

    active_card_split = active_card.split(" ")
    valid_cards = []

    #cpu_choose card
    for i in range(len(cpu_hand_num)):
        cpu_card_split = cpu_hand_num[i].split(" ")
        if cpu_card_split[0] == active_card_split[0]:
            valid_cards.append(cpu_hand_num[i])
        elif cpu_card_split[1] == active_card_split[1]:
            valid_cards.append(cpu_hand_num[i])
        elif cpu_card_split[0] == "wild":
            valid_cards.append(cpu_hand_num[i])

    #checks if the cpu can play any cards & then plays a card from the set it can play

    if len(valid_cards) >= 1:
        cpu_chosen_card = valid_cards[random.randint(0, len(valid_cards) - 1)]
        cpu_chosen_card_split = cpu_chosen_card.split(" ")
        cpu_hand_num.remove(cpu_chosen_card)
        if cpu_chosen_card_split[0] == "wild" and cpu_chosen_card_split[1] == "card":
            cpu_wild_list = ["red", "green", "yellow", "blue"]
            cpu_wild = cpu_wild_list[random.randint(0, len(cpu_wild_list) - 1)]
            cpu_chosen_card = f"{cpu_wild} wild"

            #print played card
            print(f"Player {play_turn} chose a wild card and changed the colour to {cpu_wild}")
            active_card = cpu_chosen_card

        elif cpu_chosen_card_split[0] == "wild" and cpu_chosen_card_split[1] == "+4":
            #plus four bit
            pickup += 4
            plus_four = True

            #wild card part
            cpu_wild_list = ["red", "green", "yellow", "blue"]
            cpu_wild = cpu_wild_list[random.randint(0, len(cpu_wild_list) - 1)]
            cpu_chosen_card = f"{cpu_wild} +4"

            #print played card
            print(f"Player {play_turn} chose a wild +4 and changed the colour to {cpu_wild}")
            active_card = cpu_chosen_card
        elif cpu_chosen_card_split[1] == "reverse":
            #print played card
            print(f"Player {play_turn} chose a {cpu_chosen_card}")

            #changes reverse to true/false depending on what it was
            active_card = cpu_chosen_card
            reverse = not reverse
        elif cpu_chosen_card_split[1] == "skip":
            print(f"Player {play_turn} chose a {cpu_chosen_card}")
            print("the next players turn is skipped")

            active_card = cpu_chosen_card
            skipped = True
        elif cpu_chosen_card_split[1] == "+2":
            pickup +=2
            plus_two = True
            print(f"Player {play_turn} chose a {cpu_chosen_card}")
            active_card = cpu_chosen_card
        else:
            print(f"Player {play_turn} chose a {cpu_chosen_card}")
            active_card = cpu_chosen_card

    else:
        print(f"Player {play_turn} drew a card")
        deal(cpu_hand_num, 1)
        if cpu_hand_num == 1:
            print(f"Player {play_turn} has uno")
    print(f"They now have {len(cpu_hand_num)} cards left")
    print("")
def skipped_turn():
    global skipped_turns

    if skipped_turns:
        pass
    else:
        input("press enter to go to the next turn")
        print("")
def cpu_skip(cpu_hand):
    #checks if the cpu was skipped then plays their turn
    global skipped
    global play_turn

    if skipped:
        print(f"Player {play_turn} was skipped")
        skipped = False
    else:
        cpu_choose_card(cpu_hand)
def player_pickup(chosen_card, player_hand):
    global plus_four
    global plus_two
    global pickup
    global active_card
    allowed_cards = ["green +2", "red +2", "blue +2", "yellow +2", "wild +4"]

    if plus_four:
        print("the player before you played a +4.")
        print("")
        print(f"your hand:")
        print(player_hand)
        while True:
            pickup_ans = ""
            pickup_ans = input(f"would you like to play a +4 to make the next person draw, or draw {pickup} cards?").lower()

            if pickup_ans in ["yes", "y", "+4", "wild +4"]:
                if "wild +4" in player_hand:
                    player_hand.remove("wild +4")
                    pickup += 4
                    while True:
                        colour = input("you played a +4, what colour would you like it to be?").lower()

                        if colour in ["red", "yellow", "blue", "green"]:
                            active_card = f"{colour} +4"
                            break
                        else:
                            print("Please enter a colour, out of Red, Yellow, Blue, and Green")
                            continue
                    break
                else:
                    print("You don't have that in your hand")
                    continue
            elif pickup_ans in "n" "no" "draw" "pickup" "pick up":
                deal(player_hand, pickup)
                print("")
                print(f"you drew {pickup} cards")
                pickup = 0
                plus_four = False
                plus_two = False
                break
            else:
                print("Please type yes or pickup to play")
    elif plus_two:
        print("the player before you played a +2.")
        print("")
        print(f"your hand:")
        print(player_hand)
        print("")
        while True:
            pickup_ans = ""
            pickup_ans = input(f"would you like to play a +2 or +4 to make the next person draw, or draw {pickup} cards?").lower()
            if pickup_ans in "n" "no" "draw" "pickup" "pick up":
                deal(player_hand, pickup)
                print("")
                print(f"you drew {pickup} cards")
                pickup = 0
                plus_four = False
                plus_two = False
                break
            elif pickup_ans in player_hand and pickup_ans in allowed_cards:
                pickup_ans = chosen_card
                split_chosen_card = chosen_card.split(" ")
                split_active_card = active_card.split(" ")

                if split_chosen_card[1] == "+2":
                    player_hand.remove(chosen_card)
                    
                    print(f"you played a {chosen_card}")
                    
                    break
                elif split_chosen_card[1] == "+4":
                    player_hand.remove("wild +4")
                    pickup += 4
                    plus_four = True
                    while True:
                        colour = input("you played a +4, what colour would you like it to be?").lower()

                        if colour in ["red" "yellow" "blue" "green"]:
                            active_card = f"{colour} +4"
                            break
                        else:
                            print("Please enter a colour, out of Red, Yellow, Blue, and Green")
                            continue
                    break

            else:
                print("Please enter one of your cards, or pickup to draw")
                continue

# im pr loopy (regular game loop)

print("Welcome to UNO")
print("")

#checks if the player want to read the rules
rules()

#checks if the player enters an integer between 5-10
cards_dealt = int_check_cards_dealt(5, 10)
print("dealing out the cards...")

#calls start game function
start_game(cards_dealt)

#space
print("")


while True:
    # Checks whose turn it is
    if play_turn == 1:
        #player turn

        if len(player_hand) > 1:
            pass
        elif len(player_hand) > 0:
            print("you have UNO")

        if skipped:
            print("Your turn was skipped")
            skipped = False
        elif plus_four or plus_two:
            player_pickup(chosen_card, player_hand)
        else:
            player_choose_card()


        #asks if the player wants to skip turns

        skipped_turns = False

        while True:
            skip_logic = input("Would you like to watch the other players turns? (yes/no) ").lower()
            if skip_logic in ("yes", "y"):
                skipped_turns = False
                break
            elif skip_logic in ("no", "n"):
                skipped_turns = True
                break
            else:
                print("Please answer with either yes or no")
                continue

        print("")

        if reverse:
            play_turn = 4
        else:
            play_turn += 1

    elif play_turn == 2:
        #cpu 1 turn
        cpu_skip(cpu_hand1)

        if reverse:
            play_turn += -1
        else:
            play_turn += 1

        skipped_turn()
    elif play_turn == 3:
        #cpu 2 turn
        cpu_skip(cpu_hand2)

        skipped_turn()

        if reverse:
            play_turn += -1
        else:
            play_turn += 1
    elif play_turn == 4:
        #cpu 3 turn
        cpu_skip(cpu_hand3)
        skipped_turn()

        if reverse:
            play_turn += -1
        else:
            play_turn = 1
    else:
        for i in range(256):
            print("game loop error type shi")
        exit()