#include <iostream>
#include <vector>
#include <queue>
#include <stack>
#include <string>

// Structure to represent a card
struct Card {
    int color; // Color of the card (red, green, blue)
    int value; // Value of the card (1-7)
};

// Struct to represent a player's hand
struct Hand {
    std::vector<Card> cards; // Vector of cards in the player's hand
};

// Global variables
std::vector<Hand> players; // Vector of player hands
std::queue<Card> drawPile; // Queue of cards to be drawn
std::stack<Card> discardPile; // Stack of cards to be discarded
int currentPlayer = 0; // Current player index
int winner = -1; // Index of the winner (or -1 if no one won)

// Function to shuffle the deck and deal cards to players
void dealCards() {
    for (int i = 0; i < 4; i++) {
        Hand &playerHand = players[i];
        playerHand.cards.clear(); // Reset the hand
        for (int j = 0; j < 7; j++) {
            Card card = {randomColor(), randomValue()}; // Draw a card from the deck
            playerHand.cards.push_back(card); // Add the card to the hand
        }
    }
}

// Function to draw cards and end the round
void endRound() {
    for (int i = 0; i < 4; i++) {
        Hand &playerHand = players[i];
        playerHand.cards.clear(); // Reset the hand
        while (!drawPile.empty()) {
            Card card = drawPile.front();
            drawPile.pop(); // Remove the top card from the draw pile
            playerHand.cards.push_back(card); // Add the card to the hand
        }
    }
}

// Function to discard cards and end the game
void endGame() {
    for (int i = 0; i < 4; i++) {
        Hand &playerHand = players[i];
        playerHand.cards.clear(); // Reset the hand
        while (!discardPile.empty()) {
            Card card = discardPile.front();
            discardPile.pop(); // Remove the top card from the discard pile
            playerHand.cards.push_back(card); // Add the card to the hand
        }
    }
    winner = players[0].cards[0].color; // Determine the winner based on the cards in each player's hand
    for (int i = 0; i < 4; i++) {
        std::cout << "Player " << i + 1 << " has " << players[i].cards.size() << " cards." << std::endl;
    }
}

// Function to handle player actions
void handleAction(int action) {
    switch (action) {
        case 0: // Draw a card
            drawPile.push(Card{randomColor(), randomValue()});
            break;
        case 1: // Discard a card
            discardPile.push(players[currentPlayer].cards[0]);
            players[currentPlayer].cards.erase(players[currentPlayer].cards.begin());
            break;
        default:
            std::cerr << "Invalid action!" << std::endl;
            return;
    }
}

int main() {
    // Initialize the game
    dealCards();
    currentPlayer = 0;
    winner = -1;

    // Loop until the game ends
    while (currentPlayer < 4) {
        // Handle player actions
        handleAction(currentPlayer);

        // End the round and draw new cards
        endRound();

        // Check if the game is over
        if (winner != -1) {
            break;
        }
    }

    // Print the final scores
    for (int i = 0; i < 4; i++) {
        std::cout << "Player " << i + 1 << " has " << players[i].cards.size() << " cards." << std::endl;
    }

    return 0;
}