Tic Tac Toe Meta

extends Node2D


var buttons = []
var currentPlayer = 1
var gameBoard = [0, 0, 0, 0, 0, 0, 0, 0, 0]


func _ready():
    buttons = $GridContainer.get_children()
    for i in range(len(buttons)):
        buttons[i].connect("pressed", self, "_on_button_pressed", [i])


func _on_button_pressed(index):
    var button = buttons[index]
    if gameBoard[index] == 0:
        gameBoard[index] = currentPlayer
        button.text = "X" if currentPlayer == 1 else "O"

        if check_win():
            print("Player ", currentPlayer, " wins!")
            reset_game()
        else:
            currentPlayer = 2 if currentPlayer == 1 else 1
            ai_turn()


func check_win():
    var winningCombinations = [
        [0, 1, 2],
        [3, 4, 5],
        [6, 7, 8],
        [0, 3, 6],
        [1, 4, 7],
        [2, 5, 8],
        [0, 4, 8],
        [2, 4, 6]
    ]

    for combination in winningCombinations:
        if gameBoard[combination[0]] == gameBoard[combination[1]] && gameBoard[combination[0]] == gameBoard[combination[2]] && gameBoard[combination[0]] != 0:
            return true
    return false


func ai_turn():
    var index = randi() % 9
    while gameBoard[index] != 0:
        index = randi() % 9
    gameBoard[index] = 2
    buttons[index].text = "O"

    if check_win():
        print("AI wins!")
        reset_game()
    else:
        currentPlayer = 1


func reset_game():
    for button in buttons:
        button.text = ""
    gameBoard = [0, 0, 0, 0, 0, 0, 0, 0, 0]
    currentPlayer = 1