import serial
import time

import globals


def get_position(bestMove):
    """
    根据bestMove值返回对应的(x, y, z)坐标
    """
    return globals.best_move_to_position.get(bestMove, None)


def init_pos():
    send_message(0, 0, False)


def send_message(x, y, air):
    # """
    # 发送格式化信息到串口
    # """
    # # 初始化串口
    # ser = serial.Serial('/dev/ttyS0', 115200)
    #
    # if ser.isOpen():  # 判断串口是否成功打开
    #     print("打开串口成功。")
    #     print(ser.name)  # 输出串口号
    # else:
    #     print("打开串口失败")
    #
    # ser.flush()
    #
    # y_sign = '+' if y >= 0 else '-'
    # y_abs = abs(y)
    #
    # # 构建消息字符串
    # message = f"{int(x):03d}{y_sign}{int(y_abs):03d}-007{int(air):01d}"
    # print(f"Sending message: {message}")
    #
    # # 发送消息到串口
    # result = ser.write(message.encode("utf-8"))
    # print(f"Bytes written: {result}")
    #
    # # 等待接收响应
    # time.sleep(3)
    # com_input = ser.read(400)
    # if com_input:   # 如果读取结果非空，则输出
    #     print(com_input)
    print("hello")


def choose():
    """
    挑选棋子并获取x最小的棋子的位置，然后调用send_message(x, y, air)
    """

    # 根据 dobot_color 挑选对应颜色的棋子列表
    if globals.dobot_color == 'white':
        selected_ca = globals.white_ca
    else:
        selected_ca = globals.black_ca

    if not selected_ca:
        print("No pieces available to pick.")
        return

    # 按 x 坐标排序，获取 x 最小的棋子
    selected_ca.sort(key=lambda item: item[1][0])
    piece_to_pick = selected_ca[0]

    # 获取棋子的坐标
    x, y = piece_to_pick[1]

    return x, y


def bestmove(bestmove):
    print("Success3")
    x_1, y_1 = choose()
    x_2, y_2 = get_position(bestmove)
    send_message(x_1, y_1, True)
    send_message(x_2, y_2, True)
    send_message(x_2, y_2, False)
    init_pos()