#include "mainwindow.h"

#include <QCheckBox>
#include <QCloseEvent>
#include <QAbstractItemView>
#include <QDateTime>
#include <QDoubleSpinBox>
#include <QDir>
#include <QFile>
#include <QFileDialog>
#include <QFontDatabase>
#include <QGridLayout>
#include <QGroupBox>
#include <QHeaderView>
#include <QHBoxLayout>
#include <QJsonDocument>
#include <QJsonArray>
#include <QJsonObject>
#include <QJsonValue>
#include <QLabel>
#include <QLineEdit>
#include <QPlainTextEdit>
#include <QPixmap>
#include <QPushButton>
#include <QResizeEvent>
#include <QSpinBox>
#include <QSplitter>
#include <QTableWidget>
#include <QTableWidgetItem>
#include <QTextBlock>
#include <QTextCursor>
#include <QTextDocument>
#include <QTextStream>
#include <QTabWidget>
#include <QTcpSocket>
#include <QTimer>
#include <QVBoxLayout>
#include <QDataStream>
#include <utility>
#include "PointCloudGLWidget.h"
#include "LaserDataLoader.h"
#include "VZNL_Types.h"

namespace
{
constexpr quint8 kTextType = 0x01;
constexpr quint8 kImageType = 0x02;
constexpr quint8 kReadConfigType = 0x03;
constexpr quint8 kWriteConfigType = 0x04;
constexpr quint8 kPointCloudType = 0x05;
constexpr int kFrameHeaderSize = 5;
constexpr int kFrameTailSize = 11;
constexpr quint64 kMaxPayloadSize = 256ULL * 1024ULL * 1024ULL;
const QByteArray kFrameTail("___END___\r\n");
const QByteArray kJsonFrameHeader("##START#");
const QByteArray kJsonFrameTail("#END");
constexpr int kJsonFrameHeaderSize = 8;
constexpr int kJsonFrameLengthSize = 8;
constexpr int kJsonFrameTailSize = 4;
constexpr quint32 kMaxJsonPayloadSize = 10U * 1024U * 1024U;

quint32 readUInt32BE(const QByteArray& data, int offset)
{
    return (static_cast<quint32>(static_cast<quint8>(data.at(offset))) << 24)
         | (static_cast<quint32>(static_cast<quint8>(data.at(offset + 1))) << 16)
         | (static_cast<quint32>(static_cast<quint8>(data.at(offset + 2))) << 8)
         | static_cast<quint32>(static_cast<quint8>(data.at(offset + 3)));
}

QString formatRange(double minValue, double maxValue)
{
    return QStringLiteral("%1 .. %2").arg(minValue, 0, 'f', 3).arg(maxValue, 0, 'f', 3);
}
}

MainWindow::MainWindow(QWidget* parent)
    : QMainWindow(parent),
      m_socket(new QTcpSocket(this))
{
    setupUi();
    connect(m_socket, &QTcpSocket::connected, this, &MainWindow::onConnected);
    connect(m_socket, &QTcpSocket::disconnected, this, &MainWindow::onDisconnected);
    connect(m_socket, &QTcpSocket::readyRead, this, &MainWindow::onReadyRead);
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
    connect(m_socket, &QAbstractSocket::errorOccurred,
            this, &MainWindow::onSocketError);
#else
    connect(m_socket, SIGNAL(error(QAbstractSocket::SocketError)),
            this, SLOT(onSocketError(QAbstractSocket::SocketError)));
#endif
    updateConnectionControls(false);
}

MainWindow::~MainWindow()
{
    disconnectFromServer();
}

void MainWindow::setupUi()
{
    setWindowTitle(QStringLiteral("BeltTearing TCP 协议测试"));
    resize(1080, 760);
    setMinimumSize(900, 620);

    auto* central = new QWidget(this);
    auto* mainLayout = new QVBoxLayout(central);
    mainLayout->setContentsMargins(6, 6, 6, 6);
    mainLayout->setSpacing(4);

    auto* connectionGroup = new QGroupBox(QStringLiteral("连接"), central);
    auto* connectionLayout = new QGridLayout(connectionGroup);
    connectionLayout->setContentsMargins(8, 6, 8, 6);
    connectionLayout->setHorizontalSpacing(6);
    connectionLayout->setVerticalSpacing(4);
    m_hostEdit = new QLineEdit(QStringLiteral("127.0.0.1"), connectionGroup);
    m_portSpin = new QSpinBox(connectionGroup);
    m_portSpin->setRange(1, 65535);
    m_portSpin->setValue(5800);
    m_connectButton = new QPushButton(QStringLiteral("连接"), connectionGroup);
    m_disconnectButton = new QPushButton(QStringLiteral("断开"), connectionGroup);
    m_connectionLabel = new QLabel(QStringLiteral("未连接"), connectionGroup);
    connectionLayout->addWidget(new QLabel(QStringLiteral("服务器地址"), connectionGroup), 0, 0);
    connectionLayout->addWidget(m_hostEdit, 0, 1);
    connectionLayout->addWidget(new QLabel(QStringLiteral("BeltTearing TCP 端口"), connectionGroup), 0, 2);
    connectionLayout->addWidget(m_portSpin, 0, 3);
    connectionLayout->addWidget(m_connectButton, 0, 4);
    connectionLayout->addWidget(m_disconnectButton, 0, 5);
    connectionLayout->addWidget(m_connectionLabel, 0, 6);
    connectionLayout->setColumnStretch(1, 1);
    connectionLayout->setColumnStretch(6, 1);
    mainLayout->addWidget(connectionGroup);

    auto* realtimeGroup = new QGroupBox(QStringLiteral("控制测试"), central);
    auto* realtimeLayout = new QHBoxLayout(realtimeGroup);
    realtimeLayout->setContentsMargins(8, 4, 8, 4);
    realtimeLayout->setSpacing(6);
    m_realtimeCheck = new QCheckBox(QStringLiteral("启用实时上报"), realtimeGroup);
    m_resetAlarmButton = new QPushButton(QStringLiteral("RESET_ALARM"), realtimeGroup);
    m_restDetectButton = new QPushButton(QStringLiteral("REST_DETECT"), realtimeGroup);
    realtimeLayout->addWidget(m_realtimeCheck);
    realtimeLayout->addWidget(m_resetAlarmButton);
    realtimeLayout->addWidget(m_restDetectButton);
    realtimeLayout->addStretch();
    mainLayout->addWidget(realtimeGroup);

    auto* configGroup = new QGroupBox(QStringLiteral("参数配置测试（GET_CONFIG / SET_CONFIG）"), central);
    auto* configLayout = new QGridLayout(configGroup);
    configLayout->setContentsMargins(8, 6, 8, 6);
    configLayout->setHorizontalSpacing(10);
    configLayout->setVerticalSpacing(4);
    auto makeDoubleSpinBox = [configGroup](double value, double minimum = 0.0) {
        auto* spinBox = new QDoubleSpinBox(configGroup);
        spinBox->setRange(minimum, 1000000000.0);
        spinBox->setDecimals(4);
        spinBox->setValue(value);
        return spinBox;
    };
    auto makeIntSpinBox = [configGroup](int value, int minimum = 1) {
        auto* spinBox = new QSpinBox(configGroup);
        spinBox->setRange(minimum, 1000000000);
        spinBox->setValue(value);
        return spinBox;
    };
    auto addField = [configLayout, configGroup](int row, int column, const QString& title, QWidget* field) {
        configLayout->addWidget(new QLabel(title, configGroup), row, column);
        configLayout->addWidget(field, row, column + 1);
    };

    m_scanXScaleSpin = makeDoubleSpinBox(1.0, 0.0001);
    m_scanYScaleSpin = makeDoubleSpinBox(1.0, 0.0001);
    m_differenceBinThresholdSpin = makeDoubleSpinBox(1.0);
    m_tearingMinLengthSpin = makeDoubleSpinBox(5.0);
    m_tearingMinWidthSpin = makeDoubleSpinBox(0.0);
    m_tearingMinDepthSpin = makeDoubleSpinBox(0.0);
    m_tearingMinGapSpin = makeDoubleSpinBox(2.0);
    m_sameGapThresholdSpin = makeDoubleSpinBox(2.0);
    m_gapCheckWindowSpin = makeIntSpinBox(5);
    addField(0, 0, QStringLiteral("X 缩放"), m_scanXScaleSpin);
    addField(0, 2, QStringLiteral("Y 缩放"), m_scanYScaleSpin);
    addField(0, 4, QStringLiteral("差分阈值"), m_differenceBinThresholdSpin);
    addField(1, 0, QStringLiteral("最小撕裂长度"), m_tearingMinLengthSpin);
    addField(1, 2, QStringLiteral("最小撕裂宽度"), m_tearingMinWidthSpin);
    addField(1, 4, QStringLiteral("最小撕裂深度"), m_tearingMinDepthSpin);
    addField(2, 0, QStringLiteral("最小撕裂间隙"), m_tearingMinGapSpin);
    addField(2, 2, QStringLiteral("同裂间隙阈值"), m_sameGapThresholdSpin);
    addField(2, 4, QStringLiteral("间隙检查窗口"), m_gapCheckWindowSpin);

    m_cameraIpEdit = new QLineEdit(QStringLiteral("192.168.1.100"), configGroup);
    m_maxQueueSizeSpin = makeIntSpinBox(300);
    m_generationIntervalSpin = makeIntSpinBox(100);
    m_imageLineCountSpin = makeIntSpinBox(300);
    addField(3, 0, QStringLiteral("相机 IP"), m_cameraIpEdit);
    addField(3, 2, QStringLiteral("最大队列数"), m_maxQueueSizeSpin);
    addField(3, 4, QStringLiteral("生成间隔"), m_generationIntervalSpin);
    addField(4, 0, QStringLiteral("图像线数"), m_imageLineCountSpin);

    m_enabledCheck = new QCheckBox(QStringLiteral("启用点云发送"), configGroup);
    m_enabledCheck->setChecked(true);
    m_lineStepSpin = makeIntSpinBox(1);
    m_pointStepSpin = makeIntSpinBox(1);
    m_readConfigButton = new QPushButton(QStringLiteral("读取参数配置"), configGroup);
    m_setConfigButton = new QPushButton(QStringLiteral("写入参数配置"), configGroup);
    configLayout->addWidget(m_enabledCheck, 4, 2, 1, 2);
    addField(4, 4, QStringLiteral("抽线步长"), m_lineStepSpin);
    addField(5, 0, QStringLiteral("抽点步长"), m_pointStepSpin);
    configLayout->addWidget(m_readConfigButton, 5, 2, 1, 2);
    configLayout->addWidget(m_setConfigButton, 5, 4, 1, 2);
    for (int column = 1; column < 6; column += 2)
        configLayout->setColumnStretch(column, 1);
    configLayout->setRowStretch(6, 1);
    mainLayout->addWidget(configGroup);

    auto* pointCloudGroup = new QGroupBox(QStringLiteral("点云测试"), central);
    auto* pointCloudLayout = new QVBoxLayout(pointCloudGroup);
    pointCloudLayout->setContentsMargins(6, 6, 6, 6);
    pointCloudLayout->setSpacing(4);
    auto* pointCloudToolbar = new QHBoxLayout;
    pointCloudToolbar->setContentsMargins(0, 0, 0, 0);
    pointCloudToolbar->setSpacing(6);
    m_pointCloudClearButton = new QPushButton(QStringLiteral("清空显示"), pointCloudGroup);
    m_displayLineCountSpin = new QSpinBox(pointCloudGroup);
    m_displayLineCountSpin->setRange(1, 10000);
    m_displayLineCountSpin->setValue(200);
    m_saveCloudUtilsCheck = new QCheckBox(QStringLiteral("使用 CloudUtils 保存"), pointCloudGroup);
    pointCloudToolbar->addWidget(m_pointCloudClearButton);
    pointCloudToolbar->addWidget(new QLabel(QStringLiteral("显示线数"), pointCloudGroup));
    pointCloudToolbar->addWidget(m_displayLineCountSpin);
    pointCloudToolbar->addWidget(m_saveCloudUtilsCheck);
    pointCloudToolbar->addStretch();
    pointCloudLayout->addLayout(pointCloudToolbar);
    m_cloudView = new PointCloudGLWidget(pointCloudGroup);
    m_cloudView->setMinimumHeight(260);
    pointCloudLayout->addWidget(m_cloudView, 1);

    auto* storageGroup = new QGroupBox(QStringLiteral("保存选项"), central);
    auto* storageLayout = new QGridLayout(storageGroup);
    storageLayout->setContentsMargins(8, 6, 8, 6);
    storageLayout->setHorizontalSpacing(8);
    storageLayout->setVerticalSpacing(4);
    m_savePointsCheck = new QCheckBox(QStringLiteral("追加点云到 CSV"), storageGroup);
    m_saveImagesCheck = new QCheckBox(QStringLiteral("保存 JPEG 图像"), storageGroup);
    m_outputDirEdit = new QLineEdit(QDir::current().filePath(QStringLiteral("tcp_test_output")), storageGroup);
    auto* browseButton = new QPushButton(QStringLiteral("选择目录"), storageGroup);
    storageLayout->addWidget(m_savePointsCheck, 0, 0);
    storageLayout->addWidget(m_saveImagesCheck, 0, 1);
    storageLayout->addWidget(new QLabel(QStringLiteral("输出目录"), storageGroup), 1, 0);
    storageLayout->addWidget(m_outputDirEdit, 1, 1);
    storageLayout->addWidget(browseButton, 1, 2);
    storageLayout->setColumnStretch(1, 1);
    storageLayout->setRowStretch(2, 1);

    auto* statsGroup = new QGroupBox(QStringLiteral("接收统计"), central);
    auto* statsLayout = new QGridLayout(statsGroup);
    statsLayout->setContentsMargins(6, 6, 6, 6);
    statsLayout->setHorizontalSpacing(6);
    statsLayout->setVerticalSpacing(4);
    auto addStat = [statsLayout, statsGroup](int row, int column, const QString& title, QLabel*& value) {
        auto* cell = new QWidget(statsGroup);
        auto* cellLayout = new QVBoxLayout(cell);
        cellLayout->setContentsMargins(4, 0, 4, 0);
        cellLayout->setSpacing(1);
        cellLayout->addWidget(new QLabel(title, cell));
        value = new QLabel(QStringLiteral("-"), cell);
        value->setTextInteractionFlags(Qt::TextSelectableByMouse);
        cellLayout->addWidget(value);
        statsLayout->addWidget(cell, row, column);
    };
    addStat(0, 0, QStringLiteral("接收点云行数"), m_linesValue);
    addStat(0, 1, QStringLiteral("接收字节数"), m_bytesValue);
    addStat(0, 2, QStringLiteral("协议错误数"), m_errorsValue);
    addStat(1, 0, QStringLiteral("最近帧"), m_frameValue);
    addStat(1, 1, QStringLiteral("点数 原始/抽样"), m_countValue);
    addStat(1, 2, QStringLiteral("步长 抽线/抽点"), m_stepsValue);
    addStat(2, 0, QStringLiteral("X 范围"), m_xRangeValue);
    addStat(2, 1, QStringLiteral("Y 范围"), m_yRangeValue);
    addStat(2, 2, QStringLiteral("Z 范围"), m_zRangeValue);
    for (int column = 0; column < 3; ++column)
        statsLayout->setColumnStretch(column, 1);

    auto* realtimeSplitter = new QSplitter(Qt::Horizontal, statsGroup);
    auto* realtimeDataGroup = new QGroupBox(QStringLiteral("实时撕裂结果"), realtimeSplitter);
    auto* realtimeDataLayout = new QVBoxLayout(realtimeDataGroup);
    realtimeDataLayout->setContentsMargins(4, 4, 4, 4);
    realtimeDataLayout->setSpacing(3);
    m_realtimeSummaryLabel = new QLabel(QStringLiteral("时间：-    数量：0"), realtimeDataGroup);
    m_realtimeTearTable = new QTableWidget(realtimeDataGroup);
    m_realtimeTearTable->setColumnCount(5);
    m_realtimeTearTable->setHorizontalHeaderLabels({
        QStringLiteral("ID"), QStringLiteral("状态"), QStringLiteral("长度(mm)"),
        QStringLiteral("宽度(mm)"), QStringLiteral("深度(mm)")
    });
    m_realtimeTearTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
    m_realtimeTearTable->setSelectionBehavior(QAbstractItemView::SelectRows);
    m_realtimeTearTable->verticalHeader()->setVisible(false);
    m_realtimeTearTable->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
    realtimeDataLayout->addWidget(m_realtimeSummaryLabel);
    realtimeDataLayout->addWidget(m_realtimeTearTable, 1);

    auto* realtimeImageGroup = new QGroupBox(QStringLiteral("结果图片"), realtimeSplitter);
    auto* realtimeImageLayout = new QVBoxLayout(realtimeImageGroup);
    realtimeImageLayout->setContentsMargins(4, 4, 4, 4);
    m_realtimeImageLabel = new QLabel(QStringLiteral("暂无图片"), realtimeImageGroup);
    m_realtimeImageLabel->setAlignment(Qt::AlignCenter);
    m_realtimeImageLabel->setMinimumSize(200, 140);
    m_realtimeImageLabel->setStyleSheet(QStringLiteral(
        "QLabel { background-color: rgb(37, 38, 42); color: rgb(180, 180, 180); }"));
    realtimeImageLayout->addWidget(m_realtimeImageLabel, 1);
    realtimeSplitter->addWidget(realtimeDataGroup);
    realtimeSplitter->addWidget(realtimeImageGroup);
    realtimeSplitter->setStretchFactor(0, 3);
    realtimeSplitter->setStretchFactor(1, 5);
    statsLayout->addWidget(realtimeSplitter, 3, 0, 1, 3);
    statsLayout->setRowStretch(3, 1);
    auto* tabs = new QTabWidget(central);
    tabs->addTab(statsGroup, QStringLiteral("接收统计"));
    tabs->addTab(configGroup, QStringLiteral("参数配置测试"));
    tabs->addTab(pointCloudGroup, QStringLiteral("点云测试"));
    tabs->addTab(storageGroup, QStringLiteral("保存选项"));
    mainLayout->addWidget(tabs, 2);

    auto* logGroup = new QGroupBox(QStringLiteral("协议日志"), central);
    auto* logLayout = new QVBoxLayout(logGroup);
    logLayout->setContentsMargins(4, 4, 4, 4);
    logLayout->setSpacing(2);
    m_logEdit = new QPlainTextEdit(logGroup);
    m_logEdit->setReadOnly(true);
    m_logEdit->setLineWrapMode(QPlainTextEdit::NoWrap);
    m_logEdit->setFont(QFontDatabase::systemFont(QFontDatabase::FixedFont));
    logLayout->addWidget(m_logEdit);
    mainLayout->addWidget(logGroup, 1);
    setCentralWidget(central);

    connect(m_connectButton, &QPushButton::clicked, this, &MainWindow::connectToServer);
    connect(m_disconnectButton, &QPushButton::clicked, this, &MainWindow::disconnectFromServer);
    connect(m_readConfigButton, &QPushButton::clicked, this, &MainWindow::readConfig);
    connect(m_setConfigButton, &QPushButton::clicked, this, &MainWindow::setConfig);
    connect(m_realtimeCheck, &QCheckBox::toggled, this, [this](bool) {
        setRealtime();
    });
    connect(m_resetAlarmButton, &QPushButton::clicked, this, &MainWindow::resetAlarm);
    connect(m_restDetectButton, &QPushButton::clicked, this, &MainWindow::restDetect);
    connect(m_displayLineCountSpin, qOverload<int>(&QSpinBox::valueChanged),
            this, [this](int) {
                trimDisplayedPointClouds();
            });
    connect(realtimeSplitter, &QSplitter::splitterMoved, this, [this](int, int) {
        updateRealtimeImageDisplay();
    });
    connect(m_pointCloudClearButton, &QPushButton::clicked,
            this, [this]() {
                m_cloudView->clearPointClouds();
                logMessage(QStringLiteral("已清空点云显示"));
            });
    connect(browseButton, &QPushButton::clicked, this, &MainWindow::chooseOutputDir);
}

void MainWindow::connectToServer()
{
    if (m_socket->state() != QAbstractSocket::UnconnectedState)
        m_socket->abort();

    m_receiveBuffer.clear();
    m_connectionLabel->setText(QStringLiteral("连接中..."));
    logMessage(QStringLiteral("连接 %1:%2").arg(m_hostEdit->text().trimmed()).arg(m_portSpin->value()));
    m_socket->connectToHost(m_hostEdit->text().trimmed(), static_cast<quint16>(m_portSpin->value()));
}

void MainWindow::disconnectFromServer()
{
    if (m_socket->state() != QAbstractSocket::UnconnectedState)
        m_socket->abort();
    updateConnectionControls(false);
}

void MainWindow::readConfig()
{
    if (m_socket->state() != QAbstractSocket::ConnectedState) {
        recordError(QStringLiteral("读取配置失败：尚未连接"));
        return;
    }
    QJsonObject request;
    request[QStringLiteral("msgType")] = QStringLiteral("GET_CONFIG");
    request[QStringLiteral("protocolVersion")] = QStringLiteral("1.6");
    request[QStringLiteral("requestId")] = QStringLiteral("cfg-%1")
        .arg(QDateTime::currentMSecsSinceEpoch());
    sendJsonMessage(request);
    logMessage(QStringLiteral("已发送 GET_CONFIG 请求"));
}

void MainWindow::setConfig()
{
    if (m_socket->state() != QAbstractSocket::ConnectedState) {
        recordError(QStringLiteral("写入参数配置失败：尚未连接"));
        return;
    }

    QJsonObject request;
    QJsonObject algorithm;
    algorithm[QStringLiteral("scanXScale")] = m_scanXScaleSpin->value();
    algorithm[QStringLiteral("scanYScale")] = m_scanYScaleSpin->value();
    algorithm[QStringLiteral("differnceBinTh")] = m_differenceBinThresholdSpin->value();
    algorithm[QStringLiteral("tearingMinLen")] = m_tearingMinLengthSpin->value();
    algorithm[QStringLiteral("tearingMinWidthY")] = m_tearingMinWidthSpin->value();
    algorithm[QStringLiteral("tearingMinDepthZ")] = m_tearingMinDepthSpin->value();
    algorithm[QStringLiteral("tearingMinGap")] = m_tearingMinGapSpin->value();
    algorithm[QStringLiteral("sameGapTh")] = m_sameGapThresholdSpin->value();
    algorithm[QStringLiteral("gapChkWin")] = m_gapCheckWindowSpin->value();

    QJsonObject camera;
    camera[QStringLiteral("cameraIP")] = m_cameraIpEdit->text().trimmed();

    QJsonObject queue;
    queue[QStringLiteral("maxQueueSize")] = m_maxQueueSizeSpin->value();
    queue[QStringLiteral("generationInterval")] = m_generationIntervalSpin->value();
    queue[QStringLiteral("imageLineCount")] = m_imageLineCountSpin->value();

    QJsonObject pointCloud;
    pointCloud[QStringLiteral("enabled")] = m_enabledCheck->isChecked();
    pointCloud[QStringLiteral("lineStep")] = m_lineStepSpin->value();
    pointCloud[QStringLiteral("pointStep")] = m_pointStepSpin->value();
    QJsonObject config;
    config[QStringLiteral("algorithmParams")] = algorithm;
    config[QStringLiteral("cameraConfig")] = camera;
    config[QStringLiteral("queueProcessParam")] = queue;
    config[QStringLiteral("pointCloudSendParam")] = pointCloud;
    request[QStringLiteral("msgType")] = QStringLiteral("SET_CONFIG");
    request[QStringLiteral("protocolVersion")] = QStringLiteral("1.6");
    request[QStringLiteral("requestId")] = QStringLiteral("cfg-%1")
        .arg(QDateTime::currentMSecsSinceEpoch());
    request[QStringLiteral("config")] = config;
    sendJsonMessage(request);
    logMessage(QStringLiteral("已发送 SET_CONFIG：算法、相机、队列和点云参数"));
}

void MainWindow::setRealtime()
{
    if (m_socket->state() != QAbstractSocket::ConnectedState) {
        recordError(QStringLiteral("设置实时上报失败：尚未连接"));
        return;
    }

    QJsonObject request;
    request[QStringLiteral("msgType")] = QStringLiteral("SET_REALTIME");
    request[QStringLiteral("protocolVersion")] = QStringLiteral("1.6");
    request[QStringLiteral("timestamp")] = QDateTime::currentMSecsSinceEpoch();
    request[QStringLiteral("enable")] = m_realtimeCheck->isChecked();
    sendJsonMessage(request);
    logMessage(QStringLiteral("已发送 SET_REALTIME：enable=%1")
                   .arg(m_realtimeCheck->isChecked() ? QStringLiteral("true") : QStringLiteral("false")));
}

void MainWindow::resetAlarm()
{
    if (m_socket->state() != QAbstractSocket::ConnectedState) {
        recordError(QStringLiteral("RESET_ALARM 失败：尚未连接"));
        return;
    }

    QJsonObject request;
    request[QStringLiteral("msgType")] = QStringLiteral("RESET_ALARM");
    request[QStringLiteral("protocolVersion")] = QStringLiteral("1.6");
    request[QStringLiteral("timestamp")] = QDateTime::currentMSecsSinceEpoch();
    sendJsonMessage(request);
    logMessage(QStringLiteral("已发送 RESET_ALARM"));
}

void MainWindow::restDetect()
{
    if (m_socket->state() != QAbstractSocket::ConnectedState) {
        recordError(QStringLiteral("REST_DETECT 失败：尚未连接"));
        return;
    }

    QJsonObject request;
    request[QStringLiteral("msgType")] = QStringLiteral("REST_DETECT");
    request[QStringLiteral("protocolVersion")] = QStringLiteral("1.6");
    request[QStringLiteral("timestamp")] = QDateTime::currentMSecsSinceEpoch();
    sendJsonMessage(request);
    logMessage(QStringLiteral("已发送 REST_DETECT"));
}

void MainWindow::trimDisplayedPointClouds()
{
    if (!m_cloudView || !m_displayLineCountSpin) {
        return;
    }

    const size_t maximumLines = static_cast<size_t>(m_displayLineCountSpin->value());
    while (m_cloudView->getCloudCount() > maximumLines) {
        if (!m_cloudView->removeOldestPointCloud()) {
            break;
        }
    }
}

void MainWindow::chooseOutputDir()
{
    const QString selected = QFileDialog::getExistingDirectory(this, QStringLiteral("选择输出目录"),
                                                                 m_outputDirEdit->text());
    if (!selected.isEmpty())
        m_outputDirEdit->setText(selected);
}

void MainWindow::onConnected()
{
    m_resultLogKeys.clear();
    m_resultLogMessages.clear();
    m_resultLogTimes.clear();
    m_resultLogBlocks.clear();
    m_resultLogRepeatCounts.clear();
    updateConnectionControls(true);
    logMessage(QStringLiteral("已连接到 %1:%2").arg(m_hostEdit->text().trimmed()).arg(m_portSpin->value()));
    QTimer::singleShot(0, this, &MainWindow::requestProtocolInfo);
}

void MainWindow::onDisconnected()
{
    updateConnectionControls(false);
    logMessage(QStringLiteral("连接已断开"));
}

void MainWindow::onReadyRead()
{
    m_receiveBuffer.append(m_socket->readAll());
    processFrames();
}

void MainWindow::onSocketError(QAbstractSocket::SocketError error)
{
    Q_UNUSED(error);
    recordError(QStringLiteral("Socket 错误：%1").arg(m_socket->errorString()));
}

void MainWindow::closeEvent(QCloseEvent* event)
{
    disconnectFromServer();
    event->accept();
}

void MainWindow::resizeEvent(QResizeEvent* event)
{
    QMainWindow::resizeEvent(event);
    updateRealtimeImageDisplay();
}

void MainWindow::updateConnectionControls(bool connected)
{
    m_connectButton->setEnabled(!connected);
    m_disconnectButton->setEnabled(connected);
    m_readConfigButton->setEnabled(connected);
    m_setConfigButton->setEnabled(connected);
    m_realtimeCheck->setEnabled(connected);
    m_resetAlarmButton->setEnabled(connected);
    m_restDetectButton->setEnabled(connected);
    m_hostEdit->setEnabled(!connected);
    m_portSpin->setEnabled(!connected);
    if (!connected && m_socket->state() == QAbstractSocket::UnconnectedState)
        m_connectionLabel->setText(QStringLiteral("未连接"));
    else if (connected)
        m_connectionLabel->setText(QStringLiteral("已连接"));
}

void MainWindow::requestProtocolInfo()
{
    if (m_socket->state() != QAbstractSocket::ConnectedState)
        return;

    QJsonObject request;
    request[QStringLiteral("msgType")] = QStringLiteral("GET_PROTOCOL_INFO");
    request[QStringLiteral("protocolVersion")] = QStringLiteral("1.6");
    sendJsonMessage(request);
    logMessage(QStringLiteral("已发送新协议 GET_PROTOCOL_INFO 请求"));
}

void MainWindow::sendFrame(quint8 dataType, const QByteArray& payload)
{
    QByteArray frame;
    QDataStream stream(&frame, QIODevice::WriteOnly);
    stream.setByteOrder(QDataStream::BigEndian);
    stream << dataType << static_cast<quint32>(payload.size());
    frame.append(payload);
    frame.append(kFrameTail);
    m_socket->write(frame);
    m_socket->flush();
}

void MainWindow::sendJsonMessage(const QJsonObject& message)
{
    const QByteArray payload = QJsonDocument(message).toJson(QJsonDocument::Compact);
    QByteArray frame;
    frame.append(kJsonFrameHeader);
    frame.append(QByteArray::number(payload.size()).rightJustified(kJsonFrameLengthSize, '0'));
    frame.append(payload);
    frame.append(kJsonFrameTail);
    m_socket->write(frame);
    m_socket->flush();
}

void MainWindow::processFrames()
{
    while (!m_receiveBuffer.isEmpty()) {
        const int sizeBefore = m_receiveBuffer.size();
        if (m_receiveBuffer.startsWith(kJsonFrameHeader))
            processJsonFrames();
        else
            processPointCloudFrames();
        if (m_receiveBuffer.size() == sizeBefore)
            break;
    }
}

void MainWindow::processPointCloudFrames()
{
    const int minimumFrameSize = kFrameHeaderSize + kFrameTailSize;
    while (m_receiveBuffer.size() >= minimumFrameSize) {
        if (m_receiveBuffer.startsWith(kJsonFrameHeader))
            return;

        const quint8 dataType = static_cast<quint8>(m_receiveBuffer.at(0));
        const quint32 payloadSize = readUInt32BE(m_receiveBuffer, 1);
        if (payloadSize > kMaxPayloadSize) {
            recordError(QStringLiteral("点云帧负载长度非法：%1").arg(payloadSize));
            m_receiveBuffer.remove(0, 1);
            continue;
        }

        const quint64 frameSize = static_cast<quint64>(kFrameHeaderSize)
            + payloadSize + kFrameTailSize;
        if (static_cast<quint64>(m_receiveBuffer.size()) < frameSize)
            return;

        const int tailOffset = kFrameHeaderSize + static_cast<int>(payloadSize);
        if (m_receiveBuffer.mid(tailOffset, kFrameTailSize) != kFrameTail) {
            recordError(QStringLiteral("点云帧尾非法"));
            m_receiveBuffer.remove(0, 1);
            continue;
        }

        const QByteArray payload = m_receiveBuffer.mid(
            kFrameHeaderSize, static_cast<int>(payloadSize));
        m_receiveBuffer.remove(0, static_cast<int>(frameSize));
        handleFrame(dataType, payload, static_cast<int>(frameSize));
    }
}

void MainWindow::processJsonFrames()
{
    const int minimumFrameSize = kJsonFrameHeaderSize + kJsonFrameLengthSize + kJsonFrameTailSize;
    while (m_receiveBuffer.size() >= minimumFrameSize) {
        if (!m_receiveBuffer.startsWith(kJsonFrameHeader))
            return;
        const int headerPos = m_receiveBuffer.indexOf(kJsonFrameHeader);
        if (headerPos < 0)
            return;
        if (headerPos > 0)
            m_receiveBuffer.remove(0, headerPos);
        if (m_receiveBuffer.size() < kJsonFrameHeaderSize + kJsonFrameLengthSize)
            return;

        bool lengthOk = false;
        const quint32 payloadSize = m_receiveBuffer
            .mid(kJsonFrameHeaderSize, kJsonFrameLengthSize).toUInt(&lengthOk);
        if (!lengthOk || payloadSize > kMaxJsonPayloadSize) {
            recordError(QStringLiteral("新协议负载长度非法"));
            m_receiveBuffer.remove(0, kJsonFrameHeaderSize);
            continue;
        }

        const quint64 frameSize = static_cast<quint64>(kJsonFrameHeaderSize)
            + kJsonFrameLengthSize + payloadSize + kJsonFrameTailSize;
        if (static_cast<quint64>(m_receiveBuffer.size()) < frameSize)
            return;

        const int tailOffset = kJsonFrameHeaderSize + kJsonFrameLengthSize + static_cast<int>(payloadSize);
        if (m_receiveBuffer.mid(tailOffset, kJsonFrameTailSize) != kJsonFrameTail) {
            recordError(QStringLiteral("新协议帧尾非法"));
            m_receiveBuffer.remove(0, kJsonFrameHeaderSize);
            continue;
        }

        const QByteArray payload = m_receiveBuffer.mid(
            kJsonFrameHeaderSize + kJsonFrameLengthSize, static_cast<int>(payloadSize));
        m_receiveBuffer.remove(0, static_cast<int>(frameSize));
        m_receivedBytes += static_cast<qint64>(frameSize);
        m_bytesValue->setText(QString::number(m_receivedBytes));
        handleNewJsonPayload(payload);
    }
}

void MainWindow::handleFrame(quint8 dataType, const QByteArray& payload, int frameSize)
{
    m_receivedBytes += frameSize;
    m_bytesValue->setText(QString::number(m_receivedBytes));

    if (dataType == kPointCloudType) {
        PointCloudSummary summary;
        QVector<PointCloudPoint> points;
        QString error;
        if (!parsePointCloud(payload, summary, points, error)) {
            recordError(QStringLiteral("点云帧解析失败：%1").arg(error));
            return;
        }
        ++m_pointLineCount;
        ++m_pointCloudFrameCount;
        m_linesValue->setText(QString::number(m_pointLineCount));
        updatePointCloudStats(summary);
        PointCloudXYZRGB cloud;
        cloud.reserve(static_cast<size_t>(points.size()));
        for (const PointCloudPoint& point : points) {
            cloud.push_back(Point3DRGB(static_cast<float>(point.x),
                                       static_cast<float>(point.y),
                                       static_cast<float>(point.z),
                                       170, 170, 170), 0);
        }
        m_cloudView->addPointCloud(cloud,
                                   QStringLiteral("frame-%1").arg(summary.frameIndex),
                                   false);
        trimDisplayedPointClouds();
        if (m_savePointsCheck->isChecked())
            appendPoints(summary, points);
        if (m_saveCloudUtilsCheck->isChecked())
            saveCloudUtilsFrame(summary, points);
        return;
    }

    if (dataType == kImageType) {
        ++m_imageCount;
        if (m_saveImagesCheck->isChecked())
            saveImage(payload);
        if (m_imageCount <= 3 || m_imageCount % 20 == 0)
            logMessage(QStringLiteral("图像 #%1：%2 字节").arg(m_imageCount).arg(payload.size()));
        return;
    }

    if (dataType == kTextType || dataType == kReadConfigType || dataType == kWriteConfigType) {
        handleJsonPayload(dataType, payload);
        return;
    }

    recordError(QStringLiteral("未知数据类型：0x%1").arg(dataType, 2, 16, QLatin1Char('0')));
}

void MainWindow::handleJsonPayload(quint8 dataType, const QByteArray& payload)
{
    QJsonParseError parseError;
    const QJsonDocument document = QJsonDocument::fromJson(payload, &parseError);
    if (document.isNull()) {
        recordError(QStringLiteral("JSON 解析失败：%1").arg(parseError.errorString()));
        return;
    }

    const QJsonObject object = document.object();
    const QJsonObject config = object.value(QStringLiteral("config")).toObject();
    const QJsonObject pointCloud = config.value(QStringLiteral("pointCloudSendParam")).toObject();
    if (!pointCloud.isEmpty()) {
        m_enabledCheck->setChecked(pointCloud.value(QStringLiteral("enabled")).toBool(true));
        m_lineStepSpin->setValue(qMax(1, pointCloud.value(QStringLiteral("lineStep")).toInt(1)));
        m_pointStepSpin->setValue(qMax(1, pointCloud.value(QStringLiteral("pointStep")).toInt(1)));
    }

    const QString typeName = dataType == kTextType ? QStringLiteral("Text")
                           : dataType == kReadConfigType ? QStringLiteral("ReadConfig")
                           : QStringLiteral("WriteConfig");
    logMessage(QStringLiteral("%1: %2").arg(typeName,
              QString::fromUtf8(QJsonDocument(object).toJson(QJsonDocument::Compact))));
}

void MainWindow::handleNewJsonPayload(const QByteArray& payload)
{
    QJsonParseError parseError;
    const QJsonDocument document = QJsonDocument::fromJson(payload, &parseError);
    if (document.isNull() || !document.isObject()) {
        recordError(QStringLiteral("新协议 JSON 解析失败：%1").arg(parseError.errorString()));
        return;
    }

    const QJsonObject object = document.object();
    const QJsonObject config = object.value(QStringLiteral("config")).toObject();
    if (!config.isEmpty())
        updateConfigControls(config);

    const QString messageType = object.value(QStringLiteral("msgType")).toString();
    if (messageType == QStringLiteral("REALTIME_RESULT") ||
        messageType == QStringLiteral("DETECT_RESULT")) {
        const QJsonArray tears = object.value(QStringLiteral("tears")).toArray();
        const int count = object.value(QStringLiteral("count")).toInt(tears.size());
        const bool hasImage = !object.value(QStringLiteral("visimg")).toString().isEmpty();
        updateRealtimeResult(object);
        m_frameValue->setText(QStringLiteral("实时 ts=%1")
                                  .arg(object.value(QStringLiteral("timestamp")).toVariant().toLongLong()));
        m_countValue->setText(QString::number(count));
        QJsonObject repeatObject = object;
        repeatObject.remove(QStringLiteral("timestamp"));
        repeatObject.remove(QStringLiteral("visimg"));
        const QString repeatKey = messageType + QLatin1Char(':')
            + QString::fromUtf8(QJsonDocument(repeatObject).toJson(QJsonDocument::Compact));
        logResultMessage(messageType,
                         QStringLiteral("%1：count=%2 tears=%3 visimg=%4")
                             .arg(messageType)
                             .arg(count)
                             .arg(tears.size())
                             .arg(hasImage ? QStringLiteral("有") : QStringLiteral("无")),
                         repeatKey);
        return;
    }
    logMessage(QStringLiteral("新协议 %1: %2").arg(
        messageType.isEmpty() ? QStringLiteral("消息") : messageType,
        QString::fromUtf8(QJsonDocument(object).toJson(QJsonDocument::Compact))));
}

void MainWindow::updateRealtimeResult(const QJsonObject& object)
{
    const QJsonArray tears = object.value(QStringLiteral("tears")).toArray();
    const int count = object.value(QStringLiteral("count")).toInt(tears.size());
    const qint64 timestamp = object.value(QStringLiteral("timestamp")).toVariant().toLongLong();
    const QString timeText = timestamp > 0
        ? QDateTime::fromMSecsSinceEpoch(timestamp).toString(QStringLiteral("yyyy-MM-dd HH:mm:ss.zzz"))
        : QStringLiteral("-");
    m_realtimeSummaryLabel->setText(
        QStringLiteral("时间：%1    数量：%2").arg(timeText).arg(count));

    m_realtimeTearTable->setRowCount(tears.size());
    auto statusText = [](int status) {
        switch (status) {
        case 1: return QStringLiteral("新发现");
        case 2: return QStringLiteral("增长中");
        case 3: return QStringLiteral("已结束");
        case 4: return QStringLiteral("无效");
        default: return QStringLiteral("未知");
        }
    };
    for (int row = 0; row < tears.size(); ++row) {
        const QJsonObject tear = tears.at(row).toObject();
        const QStringList values = {
            QString::number(tear.value(QStringLiteral("id")).toInt()),
            statusText(tear.value(QStringLiteral("status")).toInt()),
            QString::number(tear.value(QStringLiteral("length")).toDouble()),
            QString::number(tear.value(QStringLiteral("width")).toDouble()),
            QString::number(tear.value(QStringLiteral("depth")).toDouble())
        };
        for (int column = 0; column < values.size(); ++column) {
            auto* item = new QTableWidgetItem(values.at(column));
            item->setTextAlignment(Qt::AlignCenter);
            m_realtimeTearTable->setItem(row, column, item);
        }
    }

    QByteArray encodedImage = object.value(QStringLiteral("visimg")).toString().toLatin1();
    const int dataSeparator = encodedImage.indexOf(',');
    if (encodedImage.startsWith("data:") && dataSeparator >= 0) {
        encodedImage.remove(0, dataSeparator + 1);
    }
    const QByteArray imageData = QByteArray::fromBase64(encodedImage);
    QImage image;
    if (!imageData.isEmpty() && image.loadFromData(imageData)) {
        m_realtimeImage = image;
        updateRealtimeImageDisplay();
    } else if (encodedImage.isEmpty()) {
        m_realtimeImage = QImage();
        m_realtimeImageLabel->setPixmap(QPixmap());
        m_realtimeImageLabel->setText(QStringLiteral("暂无图片"));
    } else {
        recordError(QStringLiteral("实时结果图片解码失败"));
    }
}

void MainWindow::updateRealtimeImageDisplay()
{
    if (!m_realtimeImageLabel || m_realtimeImage.isNull()) {
        return;
    }
    const QSize targetSize = m_realtimeImageLabel->contentsRect().size();
    if (targetSize.isEmpty()) {
        return;
    }
    m_realtimeImageLabel->setText(QString());
    m_realtimeImageLabel->setPixmap(QPixmap::fromImage(m_realtimeImage).scaled(
        targetSize, Qt::KeepAspectRatio, Qt::SmoothTransformation));
}

void MainWindow::updateConfigControls(const QJsonObject& config)
{
    const QJsonObject algorithm = config.value(QStringLiteral("algorithmParams")).toObject();
    auto updateDouble = [&algorithm](const QString& key, QDoubleSpinBox* spinBox) {
        if (algorithm.contains(key) && algorithm.value(key).isDouble())
            spinBox->setValue(algorithm.value(key).toDouble());
    };
    updateDouble(QStringLiteral("scanXScale"), m_scanXScaleSpin);
    updateDouble(QStringLiteral("scanYScale"), m_scanYScaleSpin);
    updateDouble(QStringLiteral("differnceBinTh"), m_differenceBinThresholdSpin);
    updateDouble(QStringLiteral("tearingMinLen"), m_tearingMinLengthSpin);
    updateDouble(QStringLiteral("tearingMinWidthY"), m_tearingMinWidthSpin);
    updateDouble(QStringLiteral("tearingMinDepthZ"), m_tearingMinDepthSpin);
    updateDouble(QStringLiteral("tearingMinGap"), m_tearingMinGapSpin);
    updateDouble(QStringLiteral("sameGapTh"), m_sameGapThresholdSpin);
    if (algorithm.contains(QStringLiteral("gapChkWin")))
        m_gapCheckWindowSpin->setValue(qMax(1, algorithm.value(QStringLiteral("gapChkWin")).toInt(1)));

    const QJsonObject camera = config.value(QStringLiteral("cameraConfig")).toObject();
    if (camera.contains(QStringLiteral("cameraIP")))
        m_cameraIpEdit->setText(camera.value(QStringLiteral("cameraIP")).toString());

    const QJsonObject queue = config.value(QStringLiteral("queueProcessParam")).toObject();
    if (queue.contains(QStringLiteral("maxQueueSize")))
        m_maxQueueSizeSpin->setValue(qMax(1, queue.value(QStringLiteral("maxQueueSize")).toInt(1)));
    if (queue.contains(QStringLiteral("generationInterval")))
        m_generationIntervalSpin->setValue(qMax(1, queue.value(QStringLiteral("generationInterval")).toInt(1)));
    if (queue.contains(QStringLiteral("imageLineCount")))
        m_imageLineCountSpin->setValue(qMax(1, queue.value(QStringLiteral("imageLineCount")).toInt(1)));

    const QJsonObject pointCloud = config.value(QStringLiteral("pointCloudSendParam")).toObject();
    if (!pointCloud.isEmpty()) {
        m_enabledCheck->setChecked(pointCloud.value(QStringLiteral("enabled")).toBool(true));
        m_lineStepSpin->setValue(qMax(1, pointCloud.value(QStringLiteral("lineStep")).toInt(1)));
        m_pointStepSpin->setValue(qMax(1, pointCloud.value(QStringLiteral("pointStep")).toInt(1)));
    }
}

bool MainWindow::parsePointCloud(const QByteArray& payload, PointCloudSummary& summary,
                                 QVector<PointCloudPoint>& points, QString& error) const
{
    constexpr int headerSize = 33;
    constexpr int pointSize = 28;
    if (payload.size() < headerSize) {
        error = QStringLiteral("负载过短：%1").arg(payload.size());
        return false;
    }

    QDataStream stream(payload);
    stream.setByteOrder(QDataStream::BigEndian);
    stream.setFloatingPointPrecision(QDataStream::DoublePrecision);
    quint8 version = 0;
    stream >> version >> summary.frameIndex >> summary.timestamp >> summary.originalCount
           >> summary.sampledCount >> summary.lineStep >> summary.pointStep;
    if (stream.status() != QDataStream::Ok || version != 1) {
        error = QStringLiteral("不支持的点云格式版本：%1").arg(version);
        return false;
    }

    const quint64 expectedSize = static_cast<quint64>(headerSize)
                               + static_cast<quint64>(summary.sampledCount) * pointSize;
    if (expectedSize != static_cast<quint64>(payload.size())) {
        error = QStringLiteral("长度不匹配，期望 %1，收到 %2").arg(expectedSize).arg(payload.size());
        return false;
    }

    points.reserve(static_cast<int>(summary.sampledCount));
    for (quint32 i = 0; i < summary.sampledCount; ++i) {
        qint32 pointIndex = 0;
        double x = 0.0;
        double y = 0.0;
        double z = 0.0;
        stream >> pointIndex >> x >> y >> z;
        if (stream.status() != QDataStream::Ok) {
            error = QStringLiteral("点数据读取失败");
            return false;
        }
        points.append(PointCloudPoint{pointIndex, x, y, z});
        if (i == 0) {
            summary.xMin = summary.xMax = x;
            summary.yMin = summary.yMax = y;
            summary.zMin = summary.zMax = z;
        } else {
            summary.xMin = qMin(summary.xMin, x);
            summary.xMax = qMax(summary.xMax, x);
            summary.yMin = qMin(summary.yMin, y);
            summary.yMax = qMax(summary.yMax, y);
            summary.zMin = qMin(summary.zMin, z);
            summary.zMax = qMax(summary.zMax, z);
        }
    }
    return true;
}

void MainWindow::appendPoints(const PointCloudSummary& summary, const QVector<PointCloudPoint>& points)
{
    const QString directory = ensureOutputDir();
    if (directory.isEmpty())
        return;
    const QString path = QDir(directory).filePath(QStringLiteral("point_cloud.csv"));
    QFile file(path);
    if (!file.open(QIODevice::WriteOnly | QIODevice::Append | QIODevice::Text)) {
        recordError(QStringLiteral("无法写入 CSV：%1").arg(file.errorString()));
        return;
    }
    QTextStream output(&file);
    if (file.size() == 0)
        output << "frame_index,timestamp,point_index,x,y,z\n";
    for (const PointCloudPoint& point : points)
        output << summary.frameIndex << ',' << summary.timestamp << ','
               << point.index << ',' << point.x << ',' << point.y << ',' << point.z << '\n';
}

void MainWindow::saveImage(const QByteArray& payload)
{
    const QString directory = ensureOutputDir();
    if (directory.isEmpty())
        return;
    const QString path = QDir(directory).filePath(
        QStringLiteral("image_%1.jpg").arg(m_imageCount, 6, 10, QLatin1Char('0')));
    QFile file(path);
    if (!file.open(QIODevice::WriteOnly) || file.write(payload) != payload.size())
        recordError(QStringLiteral("无法保存图像：%1").arg(file.errorString()));
}

void MainWindow::saveCloudUtilsFrame(const PointCloudSummary& summary,
                                     const QVector<PointCloudPoint>& points)
{
    const QString directory = ensureOutputDir();
    if (directory.isEmpty())
        return;

    std::vector<std::vector<SVzNL3DPosition>> scanLines(1);
    scanLines.front().reserve(static_cast<size_t>(points.size()));
    for (const PointCloudPoint& point : points) {
        SVzNL3DPosition value{};
        value.nPointIdx = point.index;
        value.pt3D.x = point.x;
        value.pt3D.y = point.y;
        value.pt3D.z = point.z;
        scanLines.front().push_back(value);
    }

    const QString path = QDir(directory).filePath(
        QStringLiteral("point_cloud_%1.txt").arg(summary.frameIndex, 12, 10, QLatin1Char('0')));
    LaserDataLoader loader;
    const int result = loader.DebugSaveLaser(path.toStdString(), std::move(scanLines));
    if (result != 0) {
        recordError(QStringLiteral("CloudUtils 保存点云失败：%1").arg(
            QString::fromStdString(loader.GetLastError())));
        return;
    }
}

QString MainWindow::ensureOutputDir()
{
    const QString directory = m_outputDirEdit->text().trimmed();
    if (directory.isEmpty()) {
        recordError(QStringLiteral("输出目录为空"));
        return QString();
    }
    QDir dir(directory);
    if (!dir.exists() && !dir.mkpath(QStringLiteral("."))) {
        recordError(QStringLiteral("无法创建输出目录：%1").arg(directory));
        return QString();
    }
    return dir.absolutePath();
}

void MainWindow::logMessage(const QString& message)
{
    if (!m_logEdit)
        return;

    if (m_lastLogRepeatCount > 0 && message == m_lastLogKey) {
        ++m_lastLogRepeatCount;
        QTextCursor cursor(m_logEdit->document());
        cursor.movePosition(QTextCursor::End);
        cursor.select(QTextCursor::BlockUnderCursor);
        cursor.insertText(QStringLiteral("[%1] %2 x%3")
                              .arg(m_lastLogTime, m_lastLogMessage)
                              .arg(m_lastLogRepeatCount));
        m_logEdit->ensureCursorVisible();
        return;
    }

    m_lastLogKey = message;
    m_lastLogMessage = message;
    m_lastLogTime = QDateTime::currentDateTime().toString(QStringLiteral("HH:mm:ss"));
    m_lastLogRepeatCount = 1;
    m_logEdit->appendPlainText(QStringLiteral("[%1] %2").arg(m_lastLogTime, message));
}

void MainWindow::logResultMessage(const QString& resultType, const QString& message,
                                  const QString& repeatKey)
{
    if (!m_logEdit)
        return;

    if (m_resultLogKeys.value(resultType) == repeatKey) {
        const int repeatCount = m_resultLogRepeatCounts.value(resultType, 1) + 1;
        const QString renderedLine = QStringLiteral("[%1] %2 x%3")
            .arg(m_resultLogTimes.value(resultType),
                 m_resultLogMessages.value(resultType))
            .arg(repeatCount);
        const QTextBlock block = m_logEdit->document()->findBlockByNumber(
            m_resultLogBlocks.value(resultType, -1));
        if (block.isValid()) {
            QTextCursor cursor(block);
            cursor.select(QTextCursor::BlockUnderCursor);
            cursor.insertText(renderedLine);
            m_resultLogRepeatCounts[resultType] = repeatCount;
            m_logEdit->ensureCursorVisible();
            m_lastLogRepeatCount = 0;
            return;
        }
    }

    const QString logTime = QDateTime::currentDateTime().toString(QStringLiteral("HH:mm:ss"));
    const QString renderedLine = QStringLiteral("[%1] %2").arg(logTime, message);
    m_logEdit->appendPlainText(renderedLine);
    m_resultLogKeys[resultType] = repeatKey;
    m_resultLogMessages[resultType] = message;
    m_resultLogTimes[resultType] = logTime;
    m_resultLogBlocks[resultType] = m_logEdit->document()->lastBlock().blockNumber();
    m_resultLogRepeatCounts[resultType] = 1;
    m_lastLogRepeatCount = 0;
}

void MainWindow::recordError(const QString& message)
{
    ++m_errorCount;
    if (m_errorsValue)
        m_errorsValue->setText(QString::number(m_errorCount));
    logMessage(QStringLiteral("错误：%1").arg(message));
}

void MainWindow::updatePointCloudStats(const PointCloudSummary& summary)
{
    m_frameValue->setText(QStringLiteral("%1 (ts=%2)").arg(summary.frameIndex).arg(summary.timestamp));
    m_countValue->setText(QStringLiteral("%1 / %2").arg(summary.originalCount).arg(summary.sampledCount));
    m_stepsValue->setText(QStringLiteral("%1 / %2").arg(summary.lineStep).arg(summary.pointStep));
    m_xRangeValue->setText(formatRange(summary.xMin, summary.xMax));
    m_yRangeValue->setText(formatRange(summary.yMin, summary.yMax));
    m_zRangeValue->setText(formatRange(summary.zMin, summary.zMax));
}