"""
网关配置工具
串口配置：波特率500000，数据位8，停止位1，校验位None
"""

import sys
import os
import re
import time
import threading
from datetime import datetime

from PyQt5.QtWidgets import (
    QApplication, QMainWindow, QWidget, QVBoxLayout, QHBoxLayout,
    QGroupBox, QLabel, QComboBox, QPushButton, QLineEdit, QTextEdit,
    QMessageBox, QGridLayout, QSplitter
)
from PyQt5.QtCore import Qt, QThread, pyqtSignal, QRegExp
from PyQt5.QtGui import QFont, QColor, QPalette, QRegExpValidator, QIntValidator, QIcon

import serial
import serial.tools.list_ports


def resource_path(relative_path):
    if hasattr(sys, '_MEIPASS'):
        return os.path.join(sys._MEIPASS, relative_path)
    return os.path.join(os.path.abspath(os.path.dirname(__file__)), relative_path)


class SerialThread(QThread):
    data_received = pyqtSignal(str)

    def __init__(self, ser):
        super().__init__()
        self.ser = ser
        self.running = True
        self._buffer = ""

    def run(self):
        while self.running:
            try:
                if self.ser and self.ser.is_open and self.ser.in_waiting > 0:
                    data = self.ser.read(self.ser.in_waiting)
                    try:
                        text = data.decode('utf-8', errors='replace')
                    except Exception:
                        text = data.decode('gbk', errors='replace')
                    self.data_received.emit(text)
                else:
                    time.sleep(0.01)
            except Exception:
                break

    def stop(self):
        self.running = False
        self.wait()


class GatewayConfigTool(QMainWindow):
    def __init__(self):
        super().__init__()
        self.serial_port = None
        self.serial_thread = None
        self._recv_buffer = ""
        self._para_mode = False
        self._cur_comm = "Cat1"  # 当前通讯方式: Cat1 或 Eth
        self.init_ui()
        self.refresh_ports()

    def init_ui(self):
        self.setWindowTitle("网关配置工具")
        self.setWindowIcon(QIcon(resource_path("物联网网关.png")))
        self.setMinimumSize(1000, 850)
        self.resize(1000, 850)

        central = QWidget()
        self.setCentralWidget(central)
        main_layout = QVBoxLayout(central)
        main_layout.setSpacing(4)
        main_layout.setContentsMargins(4, 4, 4, 4)

        # === 串口连接区 ===
        conn_group = QGroupBox("串口连接")
        conn_layout = QHBoxLayout(conn_group)

        conn_layout.addWidget(QLabel("串口:"))
        self.combo_port = QComboBox()
        self.combo_port.setMinimumWidth(120)
        conn_layout.addWidget(self.combo_port)

        self.btn_refresh = QPushButton("刷新")
        self.btn_refresh.setFixedWidth(60)
        self.btn_refresh.clicked.connect(self.refresh_ports)
        conn_layout.addWidget(self.btn_refresh)

        conn_layout.addSpacing(20)
        conn_layout.addWidget(QLabel("波特率: 500000"))
        conn_layout.addWidget(QLabel("数据位: 8"))
        conn_layout.addWidget(QLabel("停止位: 1"))
        conn_layout.addWidget(QLabel("校验: None"))

        conn_layout.addStretch()

        self.btn_connect = QPushButton("打开串口")
        self.btn_connect.setFixedWidth(100)
        self.btn_connect.setStyleSheet("font-weight:bold;")
        self.btn_connect.clicked.connect(self.toggle_serial)
        conn_layout.addWidget(self.btn_connect)

        main_layout.addWidget(conn_group)

        # === 配置区 + 日志区（上下布局）===
        splitter = QSplitter(Qt.Vertical)

        # -- 上方：配置区 --
        config_widget = QWidget()
        config_layout = QVBoxLayout(config_widget)
        config_layout.setContentsMargins(0, 0, 0, 0)
        config_layout.setSpacing(2)

        # 基本指令 + 通讯方式（一行）
        top_row = QHBoxLayout()
        top_row.setSpacing(4)

        self.btn_para = QPushButton("查看配置(para)")
        self.btn_para.clicked.connect(self.on_para_clicked)
        top_row.addWidget(self.btn_para)

        self.btn_cat1 = QPushButton("Cat1(comm cat1)")
        self.btn_cat1.clicked.connect(lambda: self.set_comm_mode("Cat1"))
        top_row.addWidget(self.btn_cat1)

        self.btn_eth = QPushButton("ETH(comm eth)")
        self.btn_eth.clicked.connect(lambda: self.set_comm_mode("Eth"))
        top_row.addWidget(self.btn_eth)

        top_row.addStretch()
        config_layout.addLayout(top_row)

        # 当前配置显示
        info_group = QGroupBox("当前网关配置")
        info_grid = QGridLayout(info_group)
        info_grid.setSpacing(4)

        def _bold_label(color="#1565C0"):
            lb = QLabel("-")
            lb.setStyleSheet(f"font-weight:bold; color:{color};")
            return lb

        row = 0
        info_grid.addWidget(QLabel("软件版本:"), row, 0)
        self.label_sw_ver = _bold_label()
        info_grid.addWidget(self.label_sw_ver, row, 1)
        info_grid.addWidget(QLabel("硬件版本:"), row, 2)
        self.label_hw_ver = _bold_label()
        info_grid.addWidget(self.label_hw_ver, row, 3)

        row = 1
        info_grid.addWidget(QLabel("电池:"), row, 0)
        self.label_battery = _bold_label()
        info_grid.addWidget(self.label_battery, row, 1)
        info_grid.addWidget(QLabel("注册状态:"), row, 2)
        self.label_reg_status = _bold_label()
        info_grid.addWidget(self.label_reg_status, row, 3)

        row = 2
        info_grid.addWidget(QLabel("网关MAC:"), row, 0)
        self.label_gw_mac = _bold_label()
        info_grid.addWidget(self.label_gw_mac, row, 1, 1, 3)

        row = 3
        info_grid.addWidget(QLabel("通讯方式:"), row, 0)
        self.label_cur_comm = _bold_label()
        info_grid.addWidget(self.label_cur_comm, row, 1)
        info_grid.addWidget(QLabel("读取间隔:"), row, 2)
        self.label_read_interval = _bold_label()
        info_grid.addWidget(self.label_read_interval, row, 3)

        row = 4
        info_grid.addWidget(QLabel("Cat1 IMEI:"), row, 0)
        self.label_imei = _bold_label()
        info_grid.addWidget(self.label_imei, row, 1, 1, 3)

        row = 5
        info_grid.addWidget(QLabel("Cat1 SIM:"), row, 0)
        self.label_sim = _bold_label()
        info_grid.addWidget(self.label_sim, row, 1, 1, 3)

        row = 6
        info_grid.addWidget(QLabel("Lora频率:"), row, 0)
        self.label_cur_lora_fc = _bold_label()
        info_grid.addWidget(self.label_cur_lora_fc, row, 1)

        # Eth参数（紧凑两列）
        eth_info_group = QGroupBox("ETH / Cat1网络参数")
        eth_info_grid = QGridLayout(eth_info_group)
        eth_info_grid.setSpacing(4)

        row = 0
        eth_info_grid.addWidget(QLabel("网关IP:"), row, 0)
        self.label_cur_eth_ip = _bold_label()
        eth_info_grid.addWidget(self.label_cur_eth_ip, row, 1)
        eth_info_grid.addWidget(QLabel("网关端口:"), row, 2)
        self.label_cur_eth_port = _bold_label()
        eth_info_grid.addWidget(self.label_cur_eth_port, row, 3)

        row = 1
        eth_info_grid.addWidget(QLabel("子网掩码:"), row, 0)
        self.label_cur_eth_mask = _bold_label()
        eth_info_grid.addWidget(self.label_cur_eth_mask, row, 1)
        eth_info_grid.addWidget(QLabel("服务器网关:"), row, 2)
        self.label_cur_eth_gw = _bold_label()
        eth_info_grid.addWidget(self.label_cur_eth_gw, row, 3)

        row = 2
        eth_info_grid.addWidget(QLabel("服务器IP:"), row, 0)
        self.label_cur_eth_dip = _bold_label()
        eth_info_grid.addWidget(self.label_cur_eth_dip, row, 1)
        eth_info_grid.addWidget(QLabel("服务器端口:"), row, 2)
        self.label_cur_eth_dport = _bold_label()
        eth_info_grid.addWidget(self.label_cur_eth_dport, row, 3)

        row = 3
        eth_info_grid.addWidget(QLabel("IP模式:"), row, 0)
        self.label_cur_eth_ipmode = _bold_label()
        eth_info_grid.addWidget(self.label_cur_eth_ipmode, row, 1)
        eth_info_grid.addWidget(QLabel("工作模式:"), row, 2)
        self.label_cur_eth_workmode = _bold_label()
        eth_info_grid.addWidget(self.label_cur_eth_workmode, row, 3)

        # 低功耗配置
        misc_group = QGroupBox("低功耗配置")
        misc_grid = QGridLayout(misc_group)
        misc_grid.setSpacing(2)
        misc_grid.setContentsMargins(10, 4, 4, 4)

        row = 0
        misc_grid.addWidget(QLabel("采集间隔:"), row, 0)
        self.label_lpcfg_ci = _bold_label()
        misc_grid.addWidget(self.label_lpcfg_ci, row, 1)
        misc_grid.addWidget(QLabel("上报间隔:"), row, 2)
        self.label_lpcfg_ri = _bold_label()
        misc_grid.addWidget(self.label_lpcfg_ri, row, 3)

        row = 1
        misc_grid.addWidget(QLabel("紧急上报间隔:"), row, 0)
        self.label_lpcfg_ei = _bold_label()
        misc_grid.addWidget(self.label_lpcfg_ei, row, 1)
        misc_grid.addWidget(QLabel("紧急上报时长:"), row, 2)
        self.label_lpcfg_et = _bold_label()
        misc_grid.addWidget(self.label_lpcfg_et, row, 3)

        config_layout.addWidget(info_group)
        config_layout.addWidget(eth_info_group)
        config_layout.addWidget(misc_group)

        # Eth参数（紧凑两列）
        eth_group = QGroupBox("ETH参数（需先切换到eth模式）")
        eth_grid = QGridLayout(eth_group)
        eth_grid.setSpacing(4)

        ip_validator = QRegExpValidator(QRegExp(r"^(\d{1,3}\.){3}\d{1,3}$"))

        eth_grid.addWidget(QLabel("网关IP:"), 0, 0)
        self.edit_eth_ip = QLineEdit("192.168.1.101")
        self.edit_eth_ip.setValidator(ip_validator)
        eth_grid.addWidget(self.edit_eth_ip, 0, 1)
        self.btn_eth_ip = QPushButton("发送")
        self.btn_eth_ip.setFixedWidth(50)
        self.btn_eth_ip.clicked.connect(lambda: self.send_param("eth ip", self.edit_eth_ip))
        eth_grid.addWidget(self.btn_eth_ip, 0, 2)

        eth_grid.addWidget(QLabel("网关端口:"), 0, 3)
        self.edit_eth_port = QLineEdit("10000")
        self.edit_eth_port.setValidator(QIntValidator(1, 65535))
        eth_grid.addWidget(self.edit_eth_port, 0, 4)
        self.btn_eth_port = QPushButton("发送")
        self.btn_eth_port.setFixedWidth(50)
        self.btn_eth_port.clicked.connect(lambda: self.send_param("eth port", self.edit_eth_port))
        eth_grid.addWidget(self.btn_eth_port, 0, 5)

        eth_grid.addWidget(QLabel("服务器网关:"), 1, 0)
        self.edit_eth_gw = QLineEdit("192.168.1.1")
        self.edit_eth_gw.setValidator(ip_validator)
        eth_grid.addWidget(self.edit_eth_gw, 1, 1)
        self.btn_eth_gw = QPushButton("发送")
        self.btn_eth_gw.setFixedWidth(50)
        self.btn_eth_gw.clicked.connect(lambda: self.send_param("eth gw", self.edit_eth_gw))
        eth_grid.addWidget(self.btn_eth_gw, 1, 2)

        eth_grid.addWidget(QLabel("服务器IP:"), 1, 3)
        self.edit_eth_dip = QLineEdit("192.168.1.100")
        self.edit_eth_dip.setValidator(ip_validator)
        eth_grid.addWidget(self.edit_eth_dip, 1, 4)
        self.btn_eth_dip = QPushButton("发送")
        self.btn_eth_dip.setFixedWidth(50)
        self.btn_eth_dip.clicked.connect(lambda: self.send_param("eth dip", self.edit_eth_dip))
        eth_grid.addWidget(self.btn_eth_dip, 1, 5)

        eth_grid.addWidget(QLabel("服务器端口:"), 2, 0)
        self.edit_eth_dport = QLineEdit("8080")
        self.edit_eth_dport.setValidator(QIntValidator(1, 65535))
        eth_grid.addWidget(self.edit_eth_dport, 2, 1)
        self.btn_eth_dport = QPushButton("发送")
        self.btn_eth_dport.setFixedWidth(50)
        self.btn_eth_dport.clicked.connect(lambda: self.send_param("eth dport", self.edit_eth_dport))
        eth_grid.addWidget(self.btn_eth_dport, 2, 2)

        self.btn_eth_apply = QPushButton("应用ETH配置 (eth apply)")
        self.btn_eth_apply.setStyleSheet("background-color:#4CAF50; color:white; font-weight:bold; padding:4px;")
        self.btn_eth_apply.clicked.connect(self.send_eth_apply)
        eth_grid.addWidget(self.btn_eth_apply, 2, 3, 1, 3)

        config_layout.addWidget(eth_group)

        # Lora信道配置（独立区块，类似ETH参数）
        lora_group = QGroupBox("Lora信道配置")
        lora_layout = QHBoxLayout(lora_group)
        lora_layout.setSpacing(6)

        lora_layout.addWidget(QLabel("信道:"))
        self.combo_lora_fc = QComboBox()
        self.combo_lora_fc.setFixedWidth(200)
        lora_freqs = []
        fc_hz = 410100000
        ch_idx = 1
        while fc_hz < 525000000:
            mhz = fc_hz / 1000000
            lora_freqs.append((str(fc_hz), f"信道{ch_idx}: {mhz:.1f}MHz"))
            fc_hz += 200000
            ch_idx += 1
        for freq, desc in lora_freqs:
            self.combo_lora_fc.addItem(desc, freq)
        self.combo_lora_fc.setMaxVisibleItems(20)
        self.combo_lora_fc.setStyleSheet(
            "QComboBox { combobox-popup: 0; }"
            "QComboBox QAbstractItemView { max-height: 500px; }"
        )
        lora_layout.addWidget(self.combo_lora_fc)

        self.btn_lora_fc = QPushButton("发送")
        self.btn_lora_fc.setFixedWidth(60)
        self.btn_lora_fc.setStyleSheet("font-weight:bold;")
        self.btn_lora_fc.clicked.connect(self.on_lora_send)
        lora_layout.addWidget(self.btn_lora_fc)

        lora_layout.addStretch()

        config_layout.addWidget(lora_group)

        # -- 下方：日志区 + 自定义指令 --
        log_widget = QWidget()
        log_layout = QHBoxLayout(log_widget)
        log_layout.setContentsMargins(0, 0, 0, 0)
        log_layout.setSpacing(4)

        # 左侧：通讯日志
        log_group = QGroupBox("通讯日志")
        log_inner = QVBoxLayout(log_group)

        self.text_log = QTextEdit()
        self.text_log.setReadOnly(True)
        self.text_log.setFont(QFont("Consolas", 9))
        self.text_log.setStyleSheet(
            "QTextEdit { background-color: #1e1e1e; color: #d4d4d4; }"
        )
        log_inner.addWidget(self.text_log)

        log_btn_layout = QHBoxLayout()
        self.btn_clear_log = QPushButton("清空日志")
        self.btn_clear_log.clicked.connect(self.text_log.clear)
        log_btn_layout.addWidget(self.btn_clear_log)
        log_btn_layout.addStretch()
        log_inner.addLayout(log_btn_layout)

        # 右侧：自定义指令
        custom_group = QGroupBox("自定义指令")
        custom_inner = QVBoxLayout(custom_group)
        custom_inner.setSpacing(6)

        custom_inner.addWidget(QLabel("指令:"))
        self.edit_custom = QLineEdit()
        self.edit_custom.setPlaceholderText("输入指令...")
        self.edit_custom.returnPressed.connect(self.send_custom_command)
        custom_inner.addWidget(self.edit_custom)

        self.btn_custom_send = QPushButton("发送")
        self.btn_custom_send.setStyleSheet("font-weight:bold;")
        self.btn_custom_send.clicked.connect(self.send_custom_command)
        custom_inner.addWidget(self.btn_custom_send)
        custom_inner.addStretch()

        log_layout.addWidget(log_group, 4)
        log_layout.addWidget(custom_group, 1)

        splitter.addWidget(config_widget)
        splitter.addWidget(log_widget)
        splitter.setSizes([280, 220])

        main_layout.addWidget(splitter)
        self.statusBar().showMessage("就绪 - 请选择串口并连接")

    def refresh_ports(self):
        self.combo_port.clear()
        ports = serial.tools.list_ports.comports()
        if not ports:
            self.combo_port.addItem("无可用串口")
            return
        for p in ports:
            self.combo_port.addItem(f"{p.device} - {p.description}")

    def get_port_name(self):
        text = self.combo_port.currentText()
        if not text or text.startswith("无"):
            return None
        return text.split(" - ")[0]

    def toggle_serial(self):
        if self.serial_port and self.serial_port.is_open:
            self.close_serial()
        else:
            self.open_serial()

    def open_serial(self):
        port_name = self.get_port_name()
        if not port_name:
            QMessageBox.warning(self, "错误", "请选择有效的串口！")
            return
        try:
            self.serial_port = serial.Serial(
                port=port_name,
                baudrate=500000,
                bytesize=serial.EIGHTBITS,
                stopbits=serial.STOPBITS_ONE,
                parity=serial.PARITY_NONE,
                timeout=0.1
            )
            self.serial_thread = SerialThread(self.serial_port)
            self.serial_thread.data_received.connect(self.on_data_received)
            self.serial_thread.start()

            self.btn_connect.setText("关闭串口")
            self.btn_connect.setStyleSheet("background-color:#f44336; color:white; font-weight:bold;")
            self.log_send(f"已连接 {port_name} @ 500000")
            self.statusBar().showMessage(f"已连接: {port_name}")
        except Exception as e:
            QMessageBox.critical(self, "串口错误", f"无法打开串口:\n{e}")

    def close_serial(self):
        if self.serial_thread:
            self.serial_thread.stop()
            self.serial_thread = None
        if self.serial_port and self.serial_port.is_open:
            port_name = self.serial_port.port
            self.serial_port.close()
            self.log_send(f"已断开 {port_name}")
        self.serial_port = None

        self.btn_connect.setText("打开串口")
        self.btn_connect.setStyleSheet("font-weight:bold;")
        self.statusBar().showMessage("已断开")

    def on_para_clicked(self):
        self._recv_buffer = ""
        self._para_mode = True
        self.send_command("para")

    def on_lora_send(self):
        value = self.combo_lora_fc.currentData()
        self.send_command(f"lora fc {value}")

    def send_command(self, cmd):
        if not self.serial_port or not self.serial_port.is_open:
            QMessageBox.warning(self, "错误", "请先打开串口！")
            return
        try:
            data = (cmd + "\r\n").encode('utf-8')
            self.serial_port.write(data)
            self.log_send(f">>> {cmd}")
        except Exception as e:
            self.log_send(f"[发送错误] {e}")

    def set_comm_mode(self, mode):
        self._cur_comm = mode
        self.send_command(f"comm {mode.lower()}")

    def send_param(self, prefix, edit_widget):
        if prefix.startswith("eth") and self._cur_comm != "Eth":
            QMessageBox.warning(self, "提示", "当前为Cat1通讯模式，请先切换到ETH模式！")
            return
        value = edit_widget.text().strip()
        if not value:
            QMessageBox.warning(self, "错误", "参数值不能为空！")
            return
        cmd = f"{prefix} {value}"
        self.send_command(cmd)

    def send_eth_apply(self):
        if self._cur_comm != "Eth":
            QMessageBox.warning(self, "提示", "当前为Cat1通讯模式，请先切换到ETH模式！")
            return
        self.send_command("eth apply")

    def send_custom_command(self):
        cmd = self.edit_custom.text().strip()
        if not cmd:
            return
        self.send_command(cmd)
        self.edit_custom.clear()

    def on_data_received(self, text):
        self._recv_buffer += text
        self.log_recv(text)
        if self._para_mode:
            self._try_parse_para()

    def _try_parse_para(self):
        buf = self._recv_buffer.replace('\r', '')
        lines_all = [l.strip() for l in buf.split('\n')]

        # 查找 *** 包围的块
        star_indices = [i for i, l in enumerate(lines_all) if l and all(c == '*' for c in l)]
        if len(star_indices) < 2:
            return

        start_idx = star_indices[0]
        end_idx = star_indices[1]
        lines = lines_all[start_idx + 1:end_idx]

        def _update(label, value, ok_color="#2E7D32"):
            label.setText(value)
            label.setStyleSheet(f"font-weight:bold; color:{ok_color};")

        section = ""
        for line in lines:
            if line.startswith('==='):
                section = line.strip('= ').strip()
                continue

            # SoftWare V:1.2, HardWare V:1.2
            m = re.match(r'SoftWare\s+V:([\d.]+),\s*HardWare\s+V:([\d.]+)', line)
            if m:
                _update(self.label_sw_ver, m.group(1))
                _update(self.label_hw_ver, m.group(2))
                continue

            # Key: Value 行
            m = re.match(r'([\w\s/()]+?):\s*(.*)', line)
            if not m:
                continue
            key = m.group(1).strip()
            val = m.group(2).strip()

            if key == 'GateWay MAC':
                _update(self.label_gw_mac, val)
            elif key == 'Battery':
                _update(self.label_battery, val)
            elif key == 'CommInf':
                _update(self.label_cur_comm, val)
                self._cur_comm = val
            elif key == 'Cat1 IMEI':
                _update(self.label_imei, val)
            elif key == 'Cat1 SIM':
                _update(self.label_sim, val)
            elif key == 'CommUnitReadInterval':
                _update(self.label_read_interval, f"{val}s")
            elif key == 'Register Status':
                status_map = {"0": "未注册", "1": "已注册"}
                _update(self.label_reg_status, status_map.get(val, val))
            # --- LTENet (Cat1) section ---
            elif key == 'DestAddr' and 'Cat1' in section:
                pass  # Cat1远端地址暂不单独显示
            elif key == 'DestPort' and 'Cat1' in section:
                pass
            elif key == 'LocalAddr':
                pass
            elif key == 'LocalPort' and 'Cat1' in section:
                pass
            # --- EthNet section ---
            elif key == 'IpMode':
                _update(self.label_cur_eth_ipmode, val)
            elif key == 'LocalIP':
                _update(self.label_cur_eth_ip, val)
                self.edit_eth_ip.setText(val)
            elif key == 'LocalPort' and 'Eth' in section:
                _update(self.label_cur_eth_port, val)
                self.edit_eth_port.setText(val)
            elif key == 'WorkMode':
                _update(self.label_cur_eth_workmode, val)
            elif key == 'SubnetMask':
                _update(self.label_cur_eth_mask, val)
            elif key == 'Gateway':
                _update(self.label_cur_eth_gw, val)
                self.edit_eth_gw.setText(val)
            elif key == 'DestIP':
                _update(self.label_cur_eth_dip, val)
                self.edit_eth_dip.setText(val)
            elif key == 'DestPort' and 'Eth' in section:
                _update(self.label_cur_eth_dport, val)
                self.edit_eth_dport.setText(val)
            # --- Lora ---
            elif key == 'Lora':
                fc_m = re.search(r'fc\s+(\d+)', val)
                if fc_m:
                    fc_val = fc_m.group(1)
                    _update(self.label_cur_lora_fc, fc_val)
                    idx = self.combo_lora_fc.findData(fc_val)
                    if idx >= 0:
                        self.combo_lora_fc.setCurrentIndex(idx)
            elif key == 'LpCfg':
                def _conv_unit(u):
                    if u == 'sec': return '秒'
                    if u == 'min': return '分钟'
                    return u
                ci_m = re.search(r'CI:(\d+)(\w+)', val)
                ri_m = re.search(r'RI:(\d+)(\w+)', val)
                ei_m = re.search(r'EI:(\d+)(\w+)', val)
                et_m = re.search(r'ET:(\d+)(\w+)', val)
                if ci_m:
                    _update(self.label_lpcfg_ci, f"{ci_m.group(1)}{_conv_unit(ci_m.group(2))}")
                if ri_m:
                    _update(self.label_lpcfg_ri, f"{ri_m.group(1)}{_conv_unit(ri_m.group(2))}")
                if ei_m:
                    _update(self.label_lpcfg_ei, f"{ei_m.group(1)}{_conv_unit(ei_m.group(2))}")
                if et_m:
                    _update(self.label_lpcfg_et, f"{et_m.group(1)}{_conv_unit(et_m.group(2))}")

        self._para_mode = False
        self._recv_buffer = ""
        self.statusBar().showMessage("配置读取完成")

    def log_send(self, text):
        timestamp = datetime.now().strftime("%H:%M:%S")
        self.text_log.append(f'<span style="color:#569CD6;">[{timestamp}] {text}</span>')

    def log_recv(self, text):
        timestamp = datetime.now().strftime("%H:%M:%S")
        clean = text.replace('\r', '').replace('\n', '<br>')
        self.text_log.append(f'<span style="color:#CE9178;">[{timestamp}] &lt;&lt;&lt; {clean}</span>')

    def closeEvent(self, event):
        self.close_serial()
        event.accept()


def main():
    app = QApplication(sys.argv)
    app.setStyle("Fusion")

    palette = QPalette()
    palette.setColor(QPalette.Window, QColor(240, 240, 240))
    palette.setColor(QPalette.WindowText, QColor(30, 30, 30))
    palette.setColor(QPalette.Base, QColor(255, 255, 255))
    palette.setColor(QPalette.Button, QColor(225, 225, 225))
    app.setPalette(palette)

    window = GatewayConfigTool()
    window.show()
    sys.exit(app.exec_())


if __name__ == "__main__":
    main()