#include "gameplay.h"
#include <iostream>
#include <fstream>
#include <cstdlib>

using namespace std;

Gameplay::Gameplay(
    int rows,
    int cols,
    Player *player1,
    Player *player2
): board(rows, cols),
   player1(player1),
   player2(player2) {
}

void Gameplay::playGame() {
    // Write board dimensions to the output file
    cout << board.getRows() << " " << board.getCols() << '\n';
    char currentPlayer = player1->getName();
    while (true) {
        int row, col;
        // Determine the move based on the current player
        if (currentPlayer == player1->getName()) {
            player1->selectLineLocation(board, row, col);
        } else {
            player2->selectLineLocation(board, row, col);
        }
        // Validate and place the move
        if (board.isLineValid(row, col)) {
            board.placeLine(row, col, currentPlayer);
            cout << currentPlayer << " " << row << " " << col << '\n';
            int boxesCompleted = board.checkAndMarkBox(row, col, currentPlayer);
            if (boxesCompleted == 0) {
                // Switch to the next player if no boxes are earned
                currentPlayer = (currentPlayer == player1->getName())
                                    ? player2->getName()
                                    : player1->getName();
            }
        } else {
            cout << currentPlayer << " made an invalid move at (" << row << ", " << col << ")!" << '\n';
            return;
        }

        // Check if the board is full
        if (board.isFull()) {
            cout << "END" << endl;
            break;
        }
    }

    // Print the final board state
    board.printBoard();

    // Determine the winner and display results
    determineWinner();
}

Gameplay::~Gameplay() {
    // Free the player objects
    free(this->player1);
    free(this->player2);
}

template<typename T>
void mySwap(T &a, T &b) {
    if (!(a == b)) {
        a ^= b;
        b ^= a;
        a ^= b;
    }
}

void Gameplay::determineWinner() {
    int player1Score = 0, player2Score = 0;

    // Iterate over the centers of boxes
    for (int r = 1; r < 2 * board.getRows() - 2; r += 2) {
        // Center rows of boxes
        for (int c = 1; c < 2 * board.getCols() - 2; c += 2) {
            // Center columns of boxes
            char boxOwner = board.get(r, c); // Get the owner of the box
            if (boxOwner == player1->getName()) {
                player1Score++;
            } else if (boxOwner == player2->getName()) {
                player2Score++;
            }
        }
    }

    char players[2] = {player1->getName(), player2->getName()};
    if (players[0] > players[1]) {
        mySwap(players[0], players[1]);
        mySwap(player1Score, player2Score);
    }

    // Display results
    cout << "Player " << players[0] << " has " << player1Score << " boxes " << (player1Score > player2Score
            ? "(win)"
            : player1Score == player2Score? "(tie)": "") << '\n';
    cout << "Player " << players[1] << " has " << player2Score << " boxes " << (player2Score > player1Score
            ? "(win)"
            : player1Score == player2Score? "(tie)": "") << '\n';

    cout.flush();
}