Tic Tac Toe Copilot AI

extends Node2D

var board = []
var current_player = "X"

func _ready():
    board = ["", "", "", "", "", "", "", "", ""]
    for i in range(9):
        var button = $GridContainer.get_node("Button" + str(i))
        button.connect("pressed", Callable(self, "_on_button_pressed").bind(i))

func _on_button_pressed(index):
    if board[index] == "":
        board[index] = current_player
        update_button_text(index)
        if check_winner():
            show_winner(current_player)
        else:
            switch_player()
            if current_player == "O":
                ai_move()

func ai_move():
    var empty_cells = []
    for i in range(9):
        if board[i] == "":
            empty_cells.append(i)
    if empty_cells.size() > 0:
        var ai_index = empty_cells[randi() % empty_cells.size()]
        board[ai_index] = current_player
        update_button_text(ai_index)
        if check_winner():
            show_winner(current_player)
        else:
            switch_player()

func update_button_text(index):
    var button = $GridContainer.get_node("Button" + str(index))
    button.text = board[index]

func switch_player():
    current_player = "O" if current_player == "X" else "X"

func check_winner():
    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]] != "" and board[combo[0]] == board[combo[1]] and board[combo[1]] == board[combo[2]]:
            return true
    return false

func show_winner(player):
    print(player + " wins!")
    # You can add more UI to show the winner