from PySide6.QtSerialPort import QSerialPort
from PySide6.QtCore import QByteArray, Signal, SignalInstance


class BrSerialPort(QSerialPort):
    signal_data_received: SignalInstance = Signal(str)
    signal_data_sent: SignalInstance = Signal()

    def __init__(self, port_name, baud):
        super().__init__()

        self.setPortName(port_name)
        self.setBaudRate(baud)

        self.open(QSerialPort.OpenModeFlag.ReadWrite)

    def write_data(self, send_data):
        self.write(send_data)
        self.signal_data_sent.emit()

    def read_data(self):
        m_read_data: QByteArray = self.readAll()
        m_read_data_str = m_read_data.toStdString()
        self.signal_data_received.emit(m_read_data_str)