Tic Tac Toe Perplexity AI

extends Control

var board = ['', '', '', '', '', '', '', '', '']
var player = 'X'
var ai = 'O'
var game_over = false

func _ready():
    for i in range(9):
        var button = $GridContainer.get_child(i)
        button.connect("pressed", Callable(self, "_on_button_pressed").bind(i))

func _on_button_pressed(index):
    if board[index] == '' and not game_over:
        make_move(index, player)
        if check_winner(player):
            print("Player wins!")
            game_over = true
        elif is_board_full():
            print("It's a tie!")
            game_over = true
        else:
            ai_move()

func make_move(index, symbol):
    board[index] = symbol
    $GridContainer.get_child(index).text = symbol

func check_winner(symbol):
    var winning_combinations = [
        [0, 1, 2], [3, 4, 5], [6, 7, 8],  # Rows
        [0, 3, 6], [1, 4, 7], [2, 5, 8],  # Columns
        [0, 4, 8], [2, 4, 6]  # Diagonals
    ]

    for combo in winning_combinations:
        if board[combo[0]] == symbol and board[combo[1]] == symbol and board[combo[2]] == symbol:
            return true
    return false

func is_board_full():
    return '' not in board

func ai_move():
    var available_moves = []
    for i in range(9):
        if board[i] == '':
            available_moves.append(i)

    if available_moves.size() > 0:
        var move = available_moves[randi() % available_moves.size()]
        make_move(move, ai)
        if check_winner(ai):
            print("AI wins!")
            game_over = true
        elif is_board_full():
            print("It's a tie!")
            game_over = true