import tkinter as tk
from tkinter import messagebox

class SneakyTicTacToe:
    def __init__(self, root):
        self.root = root

        self.size = 7  # 实际棋盘大小
        self.board = [["" for _ in range(self.size)] for _ in range(self.size)]
        self.current_player = "X"

        self.buttons = [[None for _ in range(self.size)] for _ in range(self.size)]

        for i in range(self.size):
            for j in range(self.size):
                btn = tk.Button(root, text="", font=("Arial", 24), width=3, height=1,
                                command=lambda r=i, c=j: self.on_click(r, c))
                btn.grid(row=i+1, column=j)
                self.buttons[i][j] = btn

        # 默认只设置窗口足够显示中心3x3
        root.geometry(f"{3*65}x{3*63}")  # 宽x高像素，+40 留状态栏

    def on_click(self, r, c):
        if self.board[r][c] != "":
            return
        self.board[r][c] = self.current_player
        self.buttons[r][c].config(text=self.current_player)

        if self.check_winner(self.current_player):
            messagebox.showinfo("🎉 游戏结束", f"玩家 {self.current_player} 获胜！")
            self.reset()
        elif self.is_draw():
            messagebox.showinfo("😐 游戏结束", "平局")
            self.reset()
        else:
            self.current_player = "O" if self.current_player == "X" else "X"
            self.status.config(text=f"当前轮到: {self.current_player}")

    def check_winner(self, player):
        for i in range(self.size):
            for j in range(self.size):
                if j + 2 < self.size and all(self.board[i][j+k] == player for k in range(3)):
                    return True
                if i + 2 < self.size and all(self.board[i+k][j] == player for k in range(3)):
                    return True
                if i + 2 < self.size and j + 2 < self.size and all(self.board[i+k][j+k] == player for k in range(3)):
                    return True
                if i + 2 < self.size and j - 2 >= 0 and all(self.board[i+k][j-k] == player for k in range(3)):
                    return True
        return False

    def is_draw(self):
        return all(self.board[i][j] != "" for i in range(self.size) for j in range(self.size))

    def reset(self):
        for i in range(self.size):
            for j in range(self.size):
                self.board[i][j] = ""
                self.buttons[i][j].config(text="")
        self.current_player = "X"
        self.status.config(text="当前轮到: X")

# 启动游戏
if __name__ == "__main__":
    root = tk.Tk()
    game = SneakyTicTacToe(root)
    root.mainloop()