#include "nmWellPressureFlowPage.h"

#include "iUnitGroup.h"
#include "iUnitHelper.h"
#include "iUnitItem.h"
#include "nmDataAnalyzeContext.h"
#include "nmDataAnalyzeContextProvider.h"
#include "nmDataAnalyzeManager.h"
#include "nmDataWellBase.h"
#include "nmWxPressFlowChartWidget.h"
#include "ZxBaseUtil.h"
#include "ZxBaHelper.h"
#include "ZxDataGaugeF.h"
#include "ZxDataProject.h"
#include "ZxDataWell.h"
#include "ZxTableHeaderViewUnit.h"
#include "zxSysUtils.h"

#include <QAbstractItemView>
#include <QComboBox>
#include <QDialog>
#include <QHBoxLayout>
#include <QHeaderView>
#include <QLabel>
#include <QList>
#include <QPalette>
#include <QPlainTextEdit>
#include <QPushButton>
#include <QSplitter>
#include <QStackedWidget>
#include <QStandardItem>
#include <QStandardItemModel>
#include <QStringList>
#include <QTableWidget>
#include <QTableWidgetItem>
#include <QVBoxLayout>

namespace
{
QString preferredTimeUnit()
{
    return QLatin1String("h");
}

QString preferredFlowUnit()
{
    return QString::fromUtf8("m\xC2\xB3/d");
}

iUnitGroup* resolveUnitGroup(const QStringList& listCandidates,
                             QString& sResolvedUnit)
{
    for (int nIndex = 0; nIndex < listCandidates.size(); ++nIndex)
    {
        const QString& sCandidate = listCandidates[nIndex];
        iUnitGroup* pUnitGroup =
                iUnitHelper::getUnitGroupByUnit(sCandidate);
        if (pUnitGroup == nullptr)
        {
            continue;
        }

        int nUnitIndex = pUnitGroup->indexOf(sCandidate);
        QStringList listUnitNames = pUnitGroup->getAllUnitNames();
        if (nUnitIndex < 0 || nUnitIndex >= listUnitNames.size())
        {
            continue;
        }

        sResolvedUnit = listUnitNames[nUnitIndex];
        return pUnitGroup;
    }

    sResolvedUnit = listCandidates.isEmpty()
            ? QString() : listCandidates.first();
    return nullptr;
}

QLabel* createEmptyLabel(const QString& sText, QWidget* pParent)
{
    QLabel* pLabel = new QLabel(sText, pParent);
    pLabel->setAlignment(Qt::AlignCenter);
    QPalette oPalette = pLabel->palette();
    oPalette.setColor(QPalette::WindowText,
                      pParent->palette().color(QPalette::Mid));
    pLabel->setPalette(oPalette);
    return pLabel;
}

QString displayValueText(double dValue, int nDigit)
{
    if (nDigit <= 0)
    {
        return QString::number(dValue, 'f', 0);
    }
    return ZxBaseUtil::getValidStr(dValue, nDigit);
}

// 显示相下拉框只列出实际出现过非零流量的相；多相表中的固定全零列
// 仍保留在井记录和求解输入中，但不应显示成该井存在对应相产量。
bool hasRealPhaseData(const QVector<QPointF>& vecPoints)
{
    int nStartIndex = 0;
    if (!vecPoints.isEmpty() &&
            vecPoints.first().x() == 0.0 &&
            vecPoints.first().y() == 0.0)
    {
        nStartIndex = 1;
    }
    for (int nIndex = nStartIndex; nIndex < vecPoints.size(); ++nIndex)
    {
        if (vecPoints[nIndex].y() != 0.0)
        {
            return true;
        }
    }
    return false;
}

// 压力/流量记录下拉框只显示稳定的 Gauge Code，避免顶部工具栏过宽。
// 异常旧数据没有 Code 时，才回退到框架名称。
QString formatGaugeRecordLabel(const QString& sGaugeName,
                               const QString& sGaugeCode,
                               const QString& sGaugeTime)
{
    Q_UNUSED(sGaugeTime);
    return sGaugeCode.isEmpty() ? sGaugeName : sGaugeCode;
}

QString gaugeMetadataText(const QString& sText)
{
    return sText.trimmed().isEmpty()
            ? nmWellPressureFlowPage::tr("(none)") : sText;
}

QString gaugeNameText(const QString& sGaugeName)
{
    return sGaugeName.trimmed().isEmpty()
            ? nmWellPressureFlowPage::tr("(unnamed)") : sGaugeName;
}

QString gaugeRecordToolTip(const QString& sGaugeName,
                           const QString& sGaugeCode,
                           const QString& sGaugeTime)
{
    QStringList listLines;
    listLines << nmWellPressureFlowPage::tr("Curve name: %1")
                    .arg(gaugeNameText(sGaugeName));
    listLines << nmWellPressureFlowPage::tr("Gauge Code: %1")
                    .arg(gaugeMetadataText(sGaugeCode));
    listLines << nmWellPressureFlowPage::tr("Measurement time: %1")
                    .arg(gaugeMetadataText(sGaugeTime));
    return listLines.join(QLatin1String("\n"));
}

void disableGaugeComboItem(QComboBox* pCombo, int nItemIndex)
{
    QStandardItemModel* pModel =
            qobject_cast<QStandardItemModel*>(pCombo->model());
    if (pModel == nullptr)
    {
        return;
    }
    QStandardItem* pItem = pModel->item(nItemIndex);
    if (pItem != nullptr)
    {
        pItem->setFlags(pItem->flags() & ~Qt::ItemIsEnabled);
    }
}

void updatePreviewComboToolTip(QComboBox* pCombo)
{
    if (pCombo == nullptr || pCombo->currentIndex() < 0 ||
            pCombo->itemData(pCombo->currentIndex()).toString().isEmpty())
    {
        if (pCombo != nullptr)
        {
            pCombo->setToolTip(QString());
        }
        return;
    }

    QString sToolTip = pCombo->itemData(
            pCombo->currentIndex(), Qt::ToolTipRole).toString();
    if (!sToolTip.isEmpty())
    {
        sToolTip += QLatin1Char('\n');
    }
    sToolTip += nmWellPressureFlowPage::tr(
            "Preview only; calculation settings are unchanged.");
    pCombo->setToolTip(sToolTip);
}

// 统一向压力/流量记录下拉框追加一项；异常记录保留状态提示但不可选。
void appendGaugeComboItem(QComboBox* pCombo,
                          const QString& sGaugeName,
                          const QString& sGaugeCode,
                          const QString& sGaugeTime,
                          NM_GAUGE_RECORD_STATUS eStatus)
{
    QString sLabel = formatGaugeRecordLabel(sGaugeName, sGaugeCode, sGaugeTime);
    switch (eStatus)
    {
    case NM_GaugeRecord_InvalidIdentity:
        sLabel += nmWellPressureFlowPage::tr(" (Invalid)");
        break;
    case NM_GaugeRecord_Empty:
        sLabel += nmWellPressureFlowPage::tr(" (Empty)");
        break;
    case NM_GaugeRecord_Corrupt:
        sLabel += nmWellPressureFlowPage::tr(" (Corrupt)");
        break;
    default:
        break;
    }

    pCombo->addItem(sLabel, sGaugeCode);
    const int nItemIndex = pCombo->count() - 1;
    pCombo->setItemData(nItemIndex,
            gaugeRecordToolTip(sGaugeName, sGaugeCode, sGaugeTime),
            Qt::ToolTipRole);
    if (eStatus != NM_GaugeRecord_Usable)
    {
        disableGaugeComboItem(pCombo, nItemIndex);
    }
}

// 诊断文本统一使用约 15 位有效数字，避免浮点差异被显示精度掩盖。
QString diagNumberText(double dValue)
{
    return QString::number(dValue, 'g', 15);
}

// 诊断文本中的单个数据点，括号与逗号为固定格式不参与翻译。
QString diagPointText(const QPointF& oPoint)
{
    return QString("(%1, %2)")
            .arg(diagNumberText(oPoint.x()))
            .arg(diagNumberText(oPoint.y()));
}

// 空字符串在诊断文本中显示为“(none)”，避免与真实空白混淆。
QString diagTextOrNone(const QString& sText)
{
    return sText.isEmpty()
            ? nmWellPressureFlowPage::tr("(none)") : sText;
}

// 记录状态的诊断文本，与下拉框后缀语义一致，单独成词便于阅读。
QString diagStatusText(NM_GAUGE_RECORD_STATUS eStatus)
{
    switch (eStatus)
    {
    case NM_GaugeRecord_Usable:
        return nmWellPressureFlowPage::tr("Usable");
    case NM_GaugeRecord_Empty:
        return nmWellPressureFlowPage::tr("Empty");
    case NM_GaugeRecord_Corrupt:
        return nmWellPressureFlowPage::tr("Corrupt");
    case NM_GaugeRecord_InvalidIdentity:
        return nmWellPressureFlowPage::tr("Invalid identity");
    default:
        return nmWellPressureFlowPage::tr("Unknown");
    }
}

// 井别的诊断文本。
QString diagWellCategoryText(NM_WELL_CATEGORY eWellCategory)
{
    switch (eWellCategory)
    {
    case NM_WellCategory_Oil:
        return nmWellPressureFlowPage::tr("Oil well");
    case NM_WellCategory_Gas:
        return nmWellPressureFlowPage::tr("Gas well");
    case NM_WellCategory_Water:
        return nmWellPressureFlowPage::tr("Water well");
    default:
        return nmWellPressureFlowPage::tr("Unknown");
    }
}

// 相名的诊断文本，与显示相下拉框文本保持一致。
QString diagPhaseText(NM_PHASE_TYPE ePhase)
{
    switch (ePhase)
    {
    case PHASE_Oil:
        return nmWellPressureFlowPage::tr("Oil");
    case PHASE_Gas:
        return nmWellPressureFlowPage::tr("Gas");
    case PHASE_Water:
        return nmWellPressureFlowPage::tr("Water");
    default:
        return nmWellPressureFlowPage::tr("Unknown");
    }
}

// 当前分析窗口的PVT相态决定实际参与分析的相，不能仅依赖多相布尔标志判断。
QString diagFluidTypeText(PvtFluidType eFluidType)
{
    switch (eFluidType)
    {
    case WFT_Oil:
        return nmWellPressureFlowPage::tr("Oil");
    case WFT_Gas:
        return nmWellPressureFlowPage::tr("Gas");
    case WFT_Water:
        return nmWellPressureFlowPage::tr("Water");
    case WFT_Oil_Gas:
        return nmWellPressureFlowPage::tr("Oil + Gas");
    case WFT_Oil_Water:
        return nmWellPressureFlowPage::tr("Oil + Water");
    case WFT_Gas_Water:
        return nmWellPressureFlowPage::tr("Gas + Water");
    case WTF_Oil_Gas_Water:
        return nmWellPressureFlowPage::tr("Oil + Gas + Water");
    case WFT_Null:
        return nmWellPressureFlowPage::tr("None");
    default:
        return nmWellPressureFlowPage::tr("Other (%1)")
                .arg(static_cast<int>(eFluidType));
    }
}

// 判断首个点是否为 (0,0) 占位点，与 hasRealPhaseData 的占位点语义一致。
bool hasLeadingPlaceholderPoint(const QVector<QPointF>& vecPoints)
{
    return !vecPoints.isEmpty() &&
            vecPoints.first().x() == 0.0 &&
            vecPoints.first().y() == 0.0;
}

// 去除可选的首个 (0,0) 占位点后返回真实流量段列表。
QVector<QPointF> realPhaseSegments(const QVector<QPointF>& vecPoints)
{
    QVector<QPointF> vecSegments = vecPoints;
    if (hasLeadingPlaceholderPoint(vecSegments))
    {
        vecSegments.remove(0);
    }
    return vecSegments;
}

// 生成单个相的诊断摘要行：原始点数、真实段数、累计时长、首末点与占位点标识。
void appendPhaseDiagLines(QStringList& listLines,
                          const QString& sPhaseName,
                          const QVector<QPointF>& vecPoints)
{
    if (vecPoints.isEmpty())
    {
        listLines << QString("    %1: %2")
                .arg(sPhaseName)
                .arg(nmWellPressureFlowPage::tr("no data"));
        return;
    }

    // 累计时长只统计真实段，流量点 X 值是段持续时间而非绝对时刻。
    QVector<QPointF> vecSegments = realPhaseSegments(vecPoints);
    double dTotalDuration = 0.0;
    for (int nIndex = 0; nIndex < vecSegments.size(); ++nIndex)
    {
        dTotalDuration += vecSegments[nIndex].x();
    }

    listLines << QString("    %1: %2")
            .arg(sPhaseName)
            .arg(nmWellPressureFlowPage::tr(
                    "raw points = %1, real segments = %2, total duration = %3")
                    .arg(vecPoints.size())
                    .arg(vecSegments.size())
                    .arg(diagNumberText(dTotalDuration)));
    listLines << QLatin1String("        ") +
            nmWellPressureFlowPage::tr("First point = %1, last point = %2")
                    .arg(diagPointText(vecPoints.first()))
                    .arg(diagPointText(vecPoints.last()));
    // 点数较少时列出全部原始点，便于核对各相中间点数值是否分相正确。
    const int nMaxListedPoints = 16;
    if (vecPoints.size() <= nMaxListedPoints)
    {
        QStringList listPointTexts;
        for (int nIndex = 0; nIndex < vecPoints.size(); ++nIndex)
        {
            listPointTexts << diagPointText(vecPoints[nIndex]);
        }
        listLines << QLatin1String("        ") +
                nmWellPressureFlowPage::tr("All points = %1")
                        .arg(listPointTexts.join(QLatin1String(", ")));
    }
    if (hasLeadingPlaceholderPoint(vecPoints))
    {
        listLines << QLatin1String("        ") +
                nmWellPressureFlowPage::tr("first point is a (0,0) placeholder");
    }
}

// 检查多相记录有效相之间段数与每段时间是否完全一致，返回结论文本。
QString diagPhaseConsistencyText(const nmFlowGaugeRecord& oRecord)
{
    // 只统计有真实数据的相，与显示相下拉框的判定保持一致；比较前先去除占位点。
    QStringList listPhaseNames;
    QVector<QVector<QPointF> > listPhaseSegments;
    if (hasRealPhaseData(oRecord.vecOilPoints))
    {
        listPhaseNames.append(nmWellPressureFlowPage::tr("Oil"));
        listPhaseSegments.append(realPhaseSegments(oRecord.vecOilPoints));
    }
    if (hasRealPhaseData(oRecord.vecGasPoints))
    {
        listPhaseNames.append(nmWellPressureFlowPage::tr("Gas"));
        listPhaseSegments.append(realPhaseSegments(oRecord.vecGasPoints));
    }
    if (hasRealPhaseData(oRecord.vecWaterPoints))
    {
        listPhaseNames.append(nmWellPressureFlowPage::tr("Water"));
        listPhaseSegments.append(realPhaseSegments(oRecord.vecWaterPoints));
    }

    if (listPhaseSegments.size() < 2)
    {
        return nmWellPressureFlowPage::tr(
                "less than two phases with real data, no comparison");
    }

    // 先比较段数，段数不同时直接列出各相段数。
    for (int nPhase = 1; nPhase < listPhaseSegments.size(); ++nPhase)
    {
        if (listPhaseSegments[nPhase].size() !=
                listPhaseSegments.first().size())
        {
            QStringList listCounts;
            for (int nItem = 0; nItem < listPhaseSegments.size(); ++nItem)
            {
                listCounts << QString("%1 = %2")
                        .arg(listPhaseNames[nItem])
                        .arg(listPhaseSegments[nItem].size());
            }
            return nmWellPressureFlowPage::tr("segment counts differ: %1")
                    .arg(listCounts.join(QLatin1String(", ")));
        }
    }

    // 段数一致后逐段严格按位比较时间，不引入容差，浮点差异按不一致处理。
    for (int nSegment = 0;
         nSegment < listPhaseSegments.first().size();
         ++nSegment)
    {
        for (int nPhase = 1; nPhase < listPhaseSegments.size(); ++nPhase)
        {
            if (listPhaseSegments[nPhase][nSegment].x() !=
                    listPhaseSegments.first()[nSegment].x())
            {
                return nmWellPressureFlowPage::tr(
                        "segment counts equal (%1), but segment %2 time differs: %3 = %4, %5 = %6")
                        .arg(listPhaseSegments.first().size())
                        .arg(nSegment + 1)
                        .arg(listPhaseNames.first())
                        .arg(diagNumberText(
                                listPhaseSegments.first()[nSegment].x()))
                        .arg(listPhaseNames[nPhase])
                        .arg(diagNumberText(
                                listPhaseSegments[nPhase][nSegment].x()));
            }
        }
    }
    return nmWellPressureFlowPage::tr(
            "segment counts equal (%1) and all segment times identical")
            .arg(listPhaseSegments.first().size());
}

// 输出一个原始字节块按 VVecVariant 解码后的形状和少量样本值。
// 诊断只读取数据，不参与正式的流量记录状态判定。
void appendRawVVecDiagnostic(QStringList& listLines,
                             const QString& sBlockName,
                             const QByteArray& baSource)
{
    listLines << QString("    %1 bytes: %2")
            .arg(sBlockName)
            .arg(baSource.size());
    if (baSource.isEmpty())
    {
        listLines << QString("        %1 is empty").arg(sBlockName);
        return;
    }

    QByteArray baData = baSource;
    VVecVariant vvecData;
    const bool bDecoded = ZxBaHelper::convertBa2VVec(vvecData, baData);
    listLines << QString("        VVec decode: %1")
            .arg(bDecoded ? QLatin1String("success")
                          : QLatin1String("failed"));
    if (!bDecoded)
    {
        return;
    }

    QStringList listSizes;
    for (int nVectorIndex = 0;
         nVectorIndex < vvecData.size();
         ++nVectorIndex)
    {
        listSizes << QString("[%1]=%2")
                .arg(nVectorIndex)
                .arg(vvecData[nVectorIndex].size());
    }
    listLines << QString("        Vector count: %1; sizes: %2")
            .arg(vvecData.size())
            .arg(listSizes.isEmpty()
                 ? QLatin1String("(none)")
                 : listSizes.join(QLatin1String(", ")));

    // GaugeDataEx2 在框架中的正式布局是 N 行 x 4 列，直接按业务字段展示。
    if (sBlockName == QLatin1String("GaugeDataEx2"))
    {
        bool bRowLayoutValid = !vvecData.isEmpty();
        for (int nStoredRow = 0;
             bRowLayoutValid && nStoredRow < vvecData.size();
             ++nStoredRow)
        {
            bRowLayoutValid = vvecData[nStoredRow].size() == 4;
        }
        listLines << QString("        N x 4 row layout valid: %1")
                .arg(bRowLayoutValid ? QLatin1String("Yes")
                                     : QLatin1String("No"));
        if (bRowLayoutValid)
        {
            const int nMaxStoredRows = 8;
            const int nStoredRowCount = qMin(
                        vvecData.size(), nMaxStoredRows);
            for (int nStoredRow = 0;
                 nStoredRow < nStoredRowCount;
                 ++nStoredRow)
            {
                listLines << QString("        Stored row %1: duration=%2, oil=%3, gas=%4, water=%5")
                        .arg(nStoredRow + 1)
                        .arg(vvecData[nStoredRow][0].toString())
                        .arg(vvecData[nStoredRow][1].toString())
                        .arg(vvecData[nStoredRow][2].toString())
                        .arg(vvecData[nStoredRow][3].toString());
            }
            return;
        }
    }

    // 其他未知形状的扩展块按矩阵公共范围输出样本，便于继续排查。
    const int nMaxSampleRows = 8;
    int nCommonSize = vvecData.isEmpty() ? 0 : vvecData.first().size();
    for (int nVectorIndex = 1;
         nVectorIndex < vvecData.size();
         ++nVectorIndex)
    {
        nCommonSize = qMin(nCommonSize, vvecData[nVectorIndex].size());
    }
    const int nSampleRows = qMin(nCommonSize, nMaxSampleRows);
    for (int nRowIndex = 0; nRowIndex < nSampleRows; ++nRowIndex)
    {
        QStringList listValues;
        for (int nVectorIndex = 0;
             nVectorIndex < vvecData.size();
             ++nVectorIndex)
        {
            listValues << QString("[%1]=%2")
                    .arg(nVectorIndex)
                    .arg(vvecData[nVectorIndex][nRowIndex].toString());
        }
        listLines << QString("        Row %1: %2")
                .arg(nRowIndex + 1)
                .arg(listValues.join(QLatin1String(", ")));
    }
}

// 直接定位当前数值井对应的框架井，检查每条流量记录的三个存储块及
// getGaugeDataOf() 返回值，区分“数值层解析错误”和“框架原始数据形状异常”。
void appendFrameworkFlowStorageDiagnostic(
        QStringList& listLines,
        const QString& sWellCode,
        const QString& sSelectedFlowGaugeCode)
{
    listLines << QString();
    listLines << QLatin1String("=== Framework raw flow storage ===");
    listLines << QString("Requested well code: %1")
            .arg(sWellCode.isEmpty() ? QLatin1String("(none)") : sWellCode);
    listLines << QString("Selected flow gauge code: %1")
            .arg(sSelectedFlowGaugeCode.isEmpty()
                 ? QLatin1String("(none)") : sSelectedFlowGaugeCode);

    if (zxCurProject == nullptr)
    {
        listLines << QLatin1String("Current framework project: unavailable");
        return;
    }

    const ZxDataObjectList listWells =
            zxCurProject->getChildren(iDataModelType::sTypeWell);
    ZxDataWell* pMatchedWell = nullptr;
    int nMatchedWellCount = 0;
    for (int nWellIndex = 0;
         nWellIndex < listWells.size();
         ++nWellIndex)
    {
        ZxDataWell* pFrameworkWell =
                dynamic_cast<ZxDataWell*>(listWells[nWellIndex]);
        if (pFrameworkWell != nullptr &&
                pFrameworkWell->getCode() == sWellCode)
        {
            ++nMatchedWellCount;
            if (pMatchedWell == nullptr)
            {
                pMatchedWell = pFrameworkWell;
            }
        }
    }

    listLines << QString("Framework wells matched by code: %1")
            .arg(nMatchedWellCount);
    if (pMatchedWell == nullptr)
    {
        return;
    }

    listLines << QString("Matched framework well name: %1")
            .arg(pMatchedWell->getName());
    listLines << QString("Framework well type index: %1")
            .arg(pMatchedWell->getWellTypeIndex());

    const ZxDataObjectList listGaugeF = pMatchedWell->getChildren(
                iDataModelType::sTypeDataGaugeF);
    listLines << QString("Framework flow-record count: %1")
            .arg(listGaugeF.size());
    bool bSelectedGaugeFound = false;
    for (int nGaugeIndex = 0;
         nGaugeIndex < listGaugeF.size();
         ++nGaugeIndex)
    {
        ZxDataGaugeF* pGaugeF =
                dynamic_cast<ZxDataGaugeF*>(listGaugeF[nGaugeIndex]);
        if (pGaugeF == nullptr)
        {
            listLines << QString("[%1] Object is not ZxDataGaugeF")
                    .arg(nGaugeIndex + 1);
            continue;
        }

        const bool bIsSelected =
                pGaugeF->getCode() == sSelectedFlowGaugeCode;
        bSelectedGaugeFound = bSelectedGaugeFound || bIsSelected;
        const QByteArray baGaugeData = pGaugeF->getGaugeData();
        const QByteArray baGaugeDataEx2 = pGaugeF->getGaugeDataEx2();
        const QByteArray baGaugeDataEx3 = pGaugeF->getGaugeDataEx3();
        const QByteArray baDataOf0 = pGaugeF->getGaugeDataOf(0);
        const QByteArray baDataOf1 = pGaugeF->getGaugeDataOf(1);
        const QByteArray baDataOf2 = pGaugeF->getGaugeDataOf(2);

        listLines << QString();
        listLines << QString("[%1] Code: %2; name: %3; selected: %4")
                .arg(nGaugeIndex + 1)
                .arg(pGaugeF->getCode())
                .arg(pGaugeF->getGaugeName())
                .arg(bIsSelected ? QLatin1String("Yes")
                                 : QLatin1String("No"));
        listLines << QString("    Time: %1; multiphase flag: %2")
                .arg(pGaugeF->getGaugeTime())
                .arg(pGaugeF->getMultiPhase()
                     ? QLatin1String("Yes") : QLatin1String("No"));

        // 主块按单相 XY 格式再解一次，确认单相数据是否仍然存在。
        QByteArray baMainCopy = baGaugeData;
        VecDouble vecMainX;
        VecDouble vecMainY;
        const bool bMainDecoded = !baGaugeData.isEmpty() &&
                ZxBaHelper::convertBa2VecXY(
                    vecMainX, vecMainY, baMainCopy);
        listLines << QString("    GaugeData bytes: %1; XY decode: %2; X/Y sizes: %3/%4")
                .arg(baGaugeData.size())
                .arg(bMainDecoded ? QLatin1String("success")
                                  : QLatin1String("failed"))
                .arg(static_cast<int>(vecMainX.size()))
                .arg(static_cast<int>(vecMainY.size()));

        appendRawVVecDiagnostic(
                    listLines, QLatin1String("GaugeDataEx2"), baGaugeDataEx2);
        appendRawVVecDiagnostic(
                    listLines, QLatin1String("GaugeDataEx3"), baGaugeDataEx3);

        listLines << QString("    getGaugeDataOf sizes: [0]=%1, [1]=%2, [2]=%3")
                .arg(baDataOf0.size())
                .arg(baDataOf1.size())
                .arg(baDataOf2.size());
        listLines << QString("    getGaugeDataOf equality: [0]=GaugeData %1, [1]=Ex2 %2, [2]=Ex3 %3")
                .arg(baDataOf0 == baGaugeData
                     ? QLatin1String("Yes") : QLatin1String("No"))
                .arg(baDataOf1 == baGaugeDataEx2
                     ? QLatin1String("Yes") : QLatin1String("No"))
                .arg(baDataOf2 == baGaugeDataEx3
                     ? QLatin1String("Yes") : QLatin1String("No"));
    }

    listLines << QString();
    listLines << QString("Selected gauge found under matched framework well: %1")
            .arg(bSelectedGaugeFound
                 ? QLatin1String("Yes") : QLatin1String("No"));
}
}

nmWellPressureFlowPage::nmWellPressureFlowPage(QWidget* pParent)
    : QWidget(pParent),
      m_pWell(nullptr),
      m_pContentStack(nullptr),
      m_pHorizontalSplitter(nullptr),
      m_pChartSplitter(nullptr),
      m_pPressureChartStack(nullptr),
      m_pFlowChartStack(nullptr),
      m_pFlowTableStack(nullptr),
      m_pPressureChart(nullptr),
      m_pFlowChart(nullptr),
      m_pFlowTable(nullptr),
      m_pFlowHeader(nullptr),
      m_pTimeUnitGroup(nullptr),
      m_pFlowUnitGroup(nullptr),
      m_sTimeBaseUnit(preferredTimeUnit()),
      m_sFlowBaseUnit(preferredFlowUnit()),
      m_sTimeUnit(preferredTimeUnit()),
      m_sFlowUnit(preferredFlowUnit()),
      m_nTimeDigit(6),
      m_nFlowDigit(6),
      m_nSelectedFlowSegment(-1),
      m_pRecordSelectionBar(nullptr),
      m_pPressureGaugeCombo(nullptr),
      m_pFlowGaugeCombo(nullptr),
      m_pDisplayPhaseCombo(nullptr),
      m_pDisplayPhaseContainer(nullptr),
      m_pCheckDataButton(nullptr),
      m_eDisplayPhase(PHASE_UNKNOWN)
{
    createUi();
    initializeUnitSupport();
    resetDataViews();
}

void nmWellPressureFlowPage::setWell(nmDataWellBase* pWell)
{
    if (m_pWell == pWell)
    {
        return;
    }

    m_pWell = pWell;
    m_sPreviewPressureGaugeCode = pWell == nullptr
            ? QString() : pWell->getSelectedPressureGaugeCode();
    m_sPreviewFlowGaugeCode = pWell == nullptr
            ? QString() : pWell->getSelectedFlowGaugeCode();
    resetDataViews();
}

void nmWellPressureFlowPage::refreshData()
{
    if (m_pWell == nullptr)
    {
        resetDataViews();
        return;
    }

    // 第一步：恢复页面自己的预览记录，不修改井对象保存的计算记录选择。
    populatePressureGaugeCombo();
    populateFlowGaugeCombo();
    populateDisplayPhaseCombo(currentFlowRecord());

    // 第二步：直接从预览记录复制数据，后续记录、相别和单位切换都不回写井对象。
    const nmPressureGaugeRecord* pPressureRecord = currentPressureRecord();
    const nmFlowGaugeRecord* pFlowRecord = currentFlowRecord();
    QVector<QPointF> vecRawPressurePoints = pPressureRecord == nullptr
            ? QVector<QPointF>() : pPressureRecord->vecPressurePoints;
    QVector<QPointF> vecRawFlowPoints;
    if (pFlowRecord != nullptr)
    {
        switch (m_eDisplayPhase)
        {
        case PHASE_Oil:
            vecRawFlowPoints = pFlowRecord->vecOilPoints;
            break;
        case PHASE_Gas:
            vecRawFlowPoints = pFlowRecord->vecGasPoints;
            break;
        case PHASE_Water:
            vecRawFlowPoints = pFlowRecord->vecWaterPoints;
            break;
        default:
            break;
        }
    }

    // 第三步：单位服务可能晚于页面构造完成，再刷新一次可用单位组。
    initializeUnitSupport();

    m_vecRawPressurePoints = vecRawPressurePoints;
    m_vecRawFlowPoints = vecRawFlowPoints;

    QVector<QPointF> vecTableFlowPoints;
    int nTimeDigit = m_nTimeDigit;
    int nFlowDigit = m_nFlowDigit;
    if (!buildFlowTableData(m_sTimeUnit,
                            m_sFlowUnit,
                            vecTableFlowPoints,
                            nTimeDigit,
                            nFlowDigit))
    {
        // 当前显示单位不可用时回退基准单位，禁止继续展示旧井快照。
        m_sTimeUnit = m_sTimeBaseUnit;
        m_sFlowUnit = m_sFlowBaseUnit;
        if (!buildFlowTableData(m_sTimeUnit,
                                m_sFlowUnit,
                                vecTableFlowPoints,
                                nTimeDigit,
                                nFlowDigit))
        {
            resetDataViews();
            updateUnitHeader();
            return;
        }
    }

    // 第三步：换算与精度读取全部成功后再提交，曲线始终读取原始数据。
    m_vecTableFlowPoints = vecTableFlowPoints;
    m_nTimeDigit = nTimeDigit;
    m_nFlowDigit = nFlowDigit;
    updateUnitHeader();
    updateViews();
}

void nmWellPressureFlowPage::clearData()
{
    m_pWell = nullptr;
    m_sPreviewPressureGaugeCode.clear();
    m_sPreviewFlowGaugeCode.clear();
    resetDataViews();
}

void nmWellPressureFlowPage::slotUnitChanged(
        int nColumn,
        const iUnitItem* pSourceUnit,
        const iUnitItem* pDestinationUnit)
{
    Q_UNUSED(pSourceUnit);
    if (pDestinationUnit == nullptr ||
            (nColumn != 0 && nColumn != 1))
    {
        updateUnitHeader();
        return;
    }

    QString sTimeUnit = m_sTimeUnit;
    QString sFlowUnit = m_sFlowUnit;
    if (nColumn == 0)
    {
        if (m_pTimeUnitGroup == nullptr)
        {
            updateUnitHeader();
            return;
        }
        sTimeUnit = pDestinationUnit->m_sName;
    }
    else
    {
        if (m_pFlowUnitGroup == nullptr)
        {
            updateUnitHeader();
            return;
        }
        sFlowUnit = pDestinationUnit->m_sName;
    }

    // 每次都从基准副本换算，禁止使用当前显示值继续换算。
    QVector<QPointF> vecTableFlowPoints;
    int nTimeDigit = m_nTimeDigit;
    int nFlowDigit = m_nFlowDigit;
    if (!buildFlowTableData(sTimeUnit,
                            sFlowUnit,
                            vecTableFlowPoints,
                            nTimeDigit,
                            nFlowDigit))
    {
        updateUnitHeader();
        return;
    }

    m_sTimeUnit = sTimeUnit;
    m_sFlowUnit = sFlowUnit;
    m_vecTableFlowPoints = vecTableFlowPoints;
    m_nTimeDigit = nTimeDigit;
    m_nFlowDigit = nFlowDigit;
    updateUnitHeader();
    updateFlowTable();
}

void nmWellPressureFlowPage::slotFlowRowChanged(
        int nCurrentRow,
        int nCurrentColumn,
        int nPreviousRow,
        int nPreviousColumn)
{
    Q_UNUSED(nCurrentColumn);
    Q_UNUSED(nPreviousRow);
    Q_UNUSED(nPreviousColumn);

    applyFlowSegmentSelection(nCurrentRow);
}

void nmWellPressureFlowPage::slotFlowChartPointClicked(double dTimePoint)
{
    // 曲线保持基准单位，点击时间先换算为表格当前单位再定位行。
    double dTableTimePoint = 0.0;
    if (!convertValue(m_pTimeUnitGroup,
                      m_sTimeBaseUnit,
                      m_sTimeUnit,
                      dTimePoint,
                      dTableTimePoint))
    {
        applyFlowSegmentSelection(-1);
        return;
    }

    applyFlowSegmentSelection(
            findFlowSegmentByTableTime(dTableTimePoint));
}

void nmWellPressureFlowPage::slotPressureGaugePreviewChanged(int nIndex)
{
    if (m_pWell == nullptr || nIndex < 0)
    {
        return;
    }

    const QString sGaugeCode =
            m_pPressureGaugeCombo->itemData(nIndex).toString();
    if (sGaugeCode.isEmpty() ||
            sGaugeCode == m_sPreviewPressureGaugeCode)
    {
        updatePreviewComboToolTip(m_pPressureGaugeCombo);
        return;
    }

    m_sPreviewPressureGaugeCode = sGaugeCode;
    refreshData();
}

void nmWellPressureFlowPage::slotFlowGaugePreviewChanged(int nIndex)
{
    if (m_pWell == nullptr || nIndex < 0)
    {
        return;
    }

    const QString sGaugeCode =
            m_pFlowGaugeCombo->itemData(nIndex).toString();
    if (sGaugeCode.isEmpty() || sGaugeCode == m_sPreviewFlowGaugeCode)
    {
        updatePreviewComboToolTip(m_pFlowGaugeCombo);
        return;
    }

    m_sPreviewFlowGaugeCode = sGaugeCode;
    m_eDisplayPhase = defaultDisplayPhase(currentFlowRecord());
    m_nSelectedFlowSegment = -1;
    refreshData();
}

void nmWellPressureFlowPage::slotDisplayPhaseChanged(int nIndex)
{
    if (m_pWell == nullptr || nIndex < 0)
    {
        return;
    }

    NM_PHASE_TYPE eNewPhase = static_cast<NM_PHASE_TYPE>(
            m_pDisplayPhaseCombo->itemData(nIndex).toInt());
    if (eNewPhase == m_eDisplayPhase)
    {
        return;
    }

    // 仅重新按新相取点刷新视图，不改变记录内容、井别、m_nIndexF 或求解器输入。
    m_eDisplayPhase = eNewPhase;
    refreshData();
}

void nmWellPressureFlowPage::slotCheckDataClicked()
{
    // 诊断窗口为模态只读展示，允许缩放、滚动与复制文本，不修改任何业务数据。
    QDialog oDialog(this);
    oDialog.setWindowTitle(tr("Pressure/Flow Data Check"));
    oDialog.setWindowFlags(oDialog.windowFlags() |
            Qt::WindowMaximizeButtonHint);
    oDialog.resize(820, 600);

    QVBoxLayout* pDialogLayout = new QVBoxLayout(&oDialog);
    QPlainTextEdit* pTextEdit = new QPlainTextEdit(&oDialog);
    pTextEdit->setReadOnly(true);
    pTextEdit->setLineWrapMode(QPlainTextEdit::NoWrap);
    pTextEdit->setPlainText(buildDiagnosticText());

    QPushButton* pCloseButton = new QPushButton(tr("Close"), &oDialog);
    QHBoxLayout* pButtonLayout = new QHBoxLayout();
    pButtonLayout->addStretch(1);
    pButtonLayout->addWidget(pCloseButton);

    pDialogLayout->addWidget(pTextEdit, 1);
    pDialogLayout->addLayout(pButtonLayout);
    connect(pCloseButton, SIGNAL(clicked()), &oDialog, SLOT(accept()));
    oDialog.exec();
}

void nmWellPressureFlowPage::createUi()
{
    QVBoxLayout* pMainLayout = new QVBoxLayout(this);
    pMainLayout->setContentsMargins(8, 6, 8, 8);
    pMainLayout->setSpacing(0);

    m_pContentStack = new QStackedWidget(this);
    m_pHorizontalSplitter = new QSplitter(
            Qt::Horizontal, m_pContentStack);
    m_pHorizontalSplitter->setChildrenCollapsible(false);

    // 左侧上下两图共享时间范围，但各自保留独立空状态。
    m_pChartSplitter = new QSplitter(
            Qt::Vertical, m_pHorizontalSplitter);
    m_pChartSplitter->setChildrenCollapsible(false);

    m_pPressureChartStack = new QStackedWidget(m_pChartSplitter);
    m_pPressureChart = new nmWxPressFlowChartWidget(
            m_pPressureChartStack);
    m_pPressureChart->setReadOnly(true);
    m_pPressureChart->setTimeSelectionEnabled(false);
    m_pPressureChart->setAxisLabels(tr("Time"), tr("Pressure"));
    m_pPressureChart->setAxisUnits(
            m_sTimeBaseUnit, tr("MPa"));
    m_pPressureChart->setLineColor(QColor(50, 200, 50));
    m_pPressureChart->setChartType(CHART_TYPE_LINE);
    m_pPressureChartStack->addWidget(m_pPressureChart);
    m_pPressureChartStack->addWidget(createEmptyLabel(
            tr("No pressure data"), m_pPressureChartStack));

    m_pFlowChartStack = new QStackedWidget(m_pChartSplitter);
    m_pFlowChart = new nmWxPressFlowChartWidget(m_pFlowChartStack);
    m_pFlowChart->setReadOnly(true);
    m_pFlowChart->setTimeSelectionEnabled(true);
    m_pFlowChart->setAxisLabels(tr("Time"), tr("Flow"));
    m_pFlowChart->setAxisUnits(m_sTimeBaseUnit, m_sFlowBaseUnit);
    m_pFlowChart->setLineColor(QColor(255, 0, 0));
    m_pFlowChart->setChartType(CHART_TYPE_STEP);
    m_pFlowChartStack->addWidget(m_pFlowChart);
    m_pFlowChartStack->addWidget(createEmptyLabel(
            tr("No flow data"), m_pFlowChartStack));

    m_pChartSplitter->addWidget(m_pPressureChartStack);
    m_pChartSplitter->addWidget(m_pFlowChartStack);
    m_pChartSplitter->setStretchFactor(0, 1);
    m_pChartSplitter->setStretchFactor(1, 1);

    // 右侧仅显示原始流量段对应的时间和流量，不提供任何编辑入口。
    m_pFlowTableStack = new QStackedWidget(m_pHorizontalSplitter);
    m_pFlowTable = new QTableWidget(m_pFlowTableStack);
    m_pFlowTable->setColumnCount(2);
    m_pFlowTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
    m_pFlowTable->setSelectionBehavior(QAbstractItemView::SelectRows);
    m_pFlowTable->setSelectionMode(QAbstractItemView::SingleSelection);
    m_pFlowTable->setSortingEnabled(false);
    m_pFlowTable->setDragEnabled(false);
    m_pFlowTable->setAcceptDrops(false);
    m_pFlowTable->setDropIndicatorShown(false);
    m_pFlowTable->setAlternatingRowColors(true);
    m_pFlowTable->setStyleSheet(
            "QTableWidget {"
            "    background-color: palette(base);"
            "    alternate-background-color: rgb(232, 232, 232);"
            "    gridline-color: palette(midlight);"
            "    border: 1px solid palette(mid);"
            "}"
            "QHeaderView {"
            "    background-color: palette(button);"
            "    color: palette(button-text);"
            "}"
            "QHeaderView::section {"
            "    background-color: palette(button);"
            "    color: palette(button-text);"
            "    border: none;"
            "    border-right: 1px solid palette(mid);"
            "    border-bottom: 1px solid palette(mid);"
            "}"
            "QTableCornerButton::section {"
            "    background-color: palette(base);"
            "    border: none;"
            "    border-right: 1px solid palette(mid);"
            "    border-bottom: 1px solid palette(mid);"
            "}");

    m_pFlowHeader = new ZxTableHeaderViewUnit(m_pFlowTable);
    m_pFlowTable->setHorizontalHeader(m_pFlowHeader);
    m_pFlowTable->horizontalHeader()->setMovable(false);
    m_pFlowTable->horizontalHeader()->setResizeMode(QHeaderView::Stretch);
    m_pFlowTable->verticalHeader()->setMovable(false);
    m_pFlowTable->verticalHeader()->setDefaultAlignment(Qt::AlignCenter);
    m_pFlowTable->verticalHeader()->setMinimumWidth(18);

    m_pFlowTableStack->addWidget(m_pFlowTable);
    m_pFlowTableStack->addWidget(createEmptyLabel(
            tr("No flow data"), m_pFlowTableStack));

    m_pHorizontalSplitter->addWidget(m_pChartSplitter);
    m_pHorizontalSplitter->addWidget(m_pFlowTableStack);
    m_pHorizontalSplitter->setStretchFactor(0, 7);
    m_pHorizontalSplitter->setStretchFactor(1, 3);
    QList<int> listHorizontalSizes;
    listHorizontalSizes << 700 << 300;
    m_pHorizontalSplitter->setSizes(listHorizontalSizes);

    m_pContentStack->addWidget(m_pHorizontalSplitter);
    m_pContentStack->addWidget(createEmptyLabel(
            tr("No pressure or flow data"), m_pContentStack));

    // 顶部插入压力/流量记录与显示相三个下拉框所在行，不改变下方图表/表格结构。
    createRecordSelectionBar();
    pMainLayout->addWidget(m_pRecordSelectionBar);
    pMainLayout->addWidget(m_pContentStack, 1);

    connect(m_pFlowHeader,
            SIGNAL(sigCbxValueChanged(int,const iUnitItem*,const iUnitItem*)),
            this,
            SLOT(slotUnitChanged(int,const iUnitItem*,const iUnitItem*)));
    connect(m_pFlowTable,
            SIGNAL(currentCellChanged(int,int,int,int)),
            this,
            SLOT(slotFlowRowChanged(int,int,int,int)));
    connect(m_pFlowChart,
            SIGNAL(chartPointClicked(double)),
            this,
            SLOT(slotFlowChartPointClicked(double)));
}

void nmWellPressureFlowPage::createRecordSelectionBar()
{
    m_pRecordSelectionBar = new QWidget(this);
    QHBoxLayout* pBarLayout = new QHBoxLayout(m_pRecordSelectionBar);
    pBarLayout->setContentsMargins(0, 0, 0, 6);
    pBarLayout->setSpacing(6);

    QLabel* pPressureLabel = new QLabel(
            tr("Pressure Record"), m_pRecordSelectionBar);
    m_pPressureGaugeCombo = new QComboBox(m_pRecordSelectionBar);
    m_pPressureGaugeCombo->setEnabled(false);
    m_pPressureGaugeCombo->setMinimumWidth(160);
    m_pPressureGaugeCombo->setMaxVisibleItems(16);

    QLabel* pFlowLabel = new QLabel(
            tr("Flow Record"), m_pRecordSelectionBar);
    m_pFlowGaugeCombo = new QComboBox(m_pRecordSelectionBar);
    m_pFlowGaugeCombo->setEnabled(false);
    m_pFlowGaugeCombo->setMinimumWidth(160);
    m_pFlowGaugeCombo->setMaxVisibleItems(16);

    // 显示相是纯展示状态，整体容器随记录是否为多相含数据而隐藏/显示。
    m_pDisplayPhaseContainer = new QWidget(m_pRecordSelectionBar);
    QHBoxLayout* pPhaseLayout = new QHBoxLayout(m_pDisplayPhaseContainer);
    pPhaseLayout->setContentsMargins(0, 0, 0, 0);
    pPhaseLayout->setSpacing(6);
    QLabel* pPhaseLabel = new QLabel(
            tr("Display Phase"), m_pDisplayPhaseContainer);
    m_pDisplayPhaseCombo = new QComboBox(m_pDisplayPhaseContainer);
    m_pDisplayPhaseCombo->setMinimumWidth(80);
    pPhaseLayout->addWidget(pPhaseLabel);
    pPhaseLayout->addWidget(m_pDisplayPhaseCombo);
    m_pDisplayPhaseContainer->setVisible(false);

    // 临时诊断按钮：只读展示井对象解析结果，验证完成后再决定删除或保留。
    m_pCheckDataButton = new QPushButton(
            tr("Check Data"), m_pRecordSelectionBar);

    pBarLayout->addWidget(pPressureLabel);
    pBarLayout->addWidget(m_pPressureGaugeCombo);
    pBarLayout->addSpacing(12);
    pBarLayout->addWidget(pFlowLabel);
    pBarLayout->addWidget(m_pFlowGaugeCombo);
    pBarLayout->addSpacing(12);
    pBarLayout->addWidget(m_pDisplayPhaseContainer);
    pBarLayout->addStretch(1);
    pBarLayout->addWidget(m_pCheckDataButton);

    connect(m_pPressureGaugeCombo,
            SIGNAL(currentIndexChanged(int)),
            this,
            SLOT(slotPressureGaugePreviewChanged(int)));
    connect(m_pFlowGaugeCombo,
            SIGNAL(currentIndexChanged(int)),
            this,
            SLOT(slotFlowGaugePreviewChanged(int)));
    connect(m_pDisplayPhaseCombo,
            SIGNAL(currentIndexChanged(int)),
            this,
            SLOT(slotDisplayPhaseChanged(int)));
    connect(m_pCheckDataButton,
            SIGNAL(clicked()),
            this,
            SLOT(slotCheckDataClicked()));
}

void nmWellPressureFlowPage::populatePressureGaugeCombo()
{
    if (m_pPressureGaugeCombo == nullptr)
    {
        return;
    }

    bool bSignalsWereBlocked = m_pPressureGaugeCombo->blockSignals(true);
    m_pPressureGaugeCombo->clear();

    if (m_pWell == nullptr)
    {
        m_pPressureGaugeCombo->setEnabled(false);
        m_pPressureGaugeCombo->blockSignals(bSignalsWereBlocked);
        return;
    }

    m_vecPressureGaugeRecords = m_pWell->getPressureRecords();

    int nPreviewIndex = -1;
    int nCalculationIndex = -1;
    int nFirstUsableIndex = -1;
    const QString sCalculationCode =
            m_pWell->getSelectedPressureGaugeCode();
    for (int nIndex = 0; nIndex < m_vecPressureGaugeRecords.size(); ++nIndex)
    {
        const nmPressureGaugeRecord& oRecord =
                m_vecPressureGaugeRecords[nIndex];
        appendGaugeComboItem(m_pPressureGaugeCombo,
                oRecord.sGaugeName, oRecord.sGaugeCode,
                oRecord.sGaugeTime, oRecord.eStatus);
        const int nItemIndex = m_pPressureGaugeCombo->count() - 1;
        if (oRecord.eStatus != NM_GaugeRecord_Usable)
        {
            continue;
        }
        if (nFirstUsableIndex < 0)
        {
            nFirstUsableIndex = nItemIndex;
        }
        if (oRecord.sGaugeCode == m_sPreviewPressureGaugeCode)
        {
            nPreviewIndex = nItemIndex;
        }
        if (oRecord.sGaugeCode == sCalculationCode)
        {
            nCalculationIndex = nItemIndex;
        }
    }
    const int nCurrentIndex = nPreviewIndex >= 0
            ? nPreviewIndex : (nCalculationIndex >= 0
            ? nCalculationIndex : (nFirstUsableIndex >= 0
            ? nFirstUsableIndex : -1));
    m_pPressureGaugeCombo->setCurrentIndex(nCurrentIndex);
    m_pPressureGaugeCombo->setEnabled(nFirstUsableIndex >= 0);
    m_sPreviewPressureGaugeCode = nCurrentIndex >= 0
            ? m_pPressureGaugeCombo->itemData(nCurrentIndex).toString()
            : QString();
    updatePreviewComboToolTip(m_pPressureGaugeCombo);
    m_pPressureGaugeCombo->blockSignals(bSignalsWereBlocked);
}

void nmWellPressureFlowPage::populateFlowGaugeCombo()
{
    if (m_pFlowGaugeCombo == nullptr)
    {
        return;
    }

    bool bSignalsWereBlocked = m_pFlowGaugeCombo->blockSignals(true);
    m_pFlowGaugeCombo->clear();

    if (m_pWell == nullptr)
    {
        m_vecFlowGaugeRecords.clear();
        m_pFlowGaugeCombo->setEnabled(false);
        m_pFlowGaugeCombo->blockSignals(bSignalsWereBlocked);
        return;
    }

    // 缓存整份记录列表供 currentFlowRecord() 安全返回内部指针，记录内容切换记录时不变。
    m_vecFlowGaugeRecords = m_pWell->getFlowRecords();

    int nPreviewIndex = -1;
    int nCalculationIndex = -1;
    int nFirstUsableIndex = -1;
    const QString sCalculationCode = m_pWell->getSelectedFlowGaugeCode();
    for (int nIndex = 0; nIndex < m_vecFlowGaugeRecords.size(); ++nIndex)
    {
        const nmFlowGaugeRecord& oRecord = m_vecFlowGaugeRecords[nIndex];
        appendGaugeComboItem(m_pFlowGaugeCombo,
                oRecord.sGaugeName, oRecord.sGaugeCode,
                oRecord.sGaugeTime, oRecord.eStatus);
        const int nItemIndex = m_pFlowGaugeCombo->count() - 1;
        if (oRecord.eStatus != NM_GaugeRecord_Usable)
        {
            continue;
        }
        if (nFirstUsableIndex < 0)
        {
            nFirstUsableIndex = nItemIndex;
        }
        if (oRecord.sGaugeCode == m_sPreviewFlowGaugeCode)
        {
            nPreviewIndex = nItemIndex;
        }
        if (oRecord.sGaugeCode == sCalculationCode)
        {
            nCalculationIndex = nItemIndex;
        }
    }
    const int nCurrentIndex = nPreviewIndex >= 0
            ? nPreviewIndex : (nCalculationIndex >= 0
            ? nCalculationIndex : (nFirstUsableIndex >= 0
            ? nFirstUsableIndex : -1));
    m_pFlowGaugeCombo->setCurrentIndex(nCurrentIndex);
    m_pFlowGaugeCombo->setEnabled(nFirstUsableIndex >= 0);
    m_sPreviewFlowGaugeCode = nCurrentIndex >= 0
            ? m_pFlowGaugeCombo->itemData(nCurrentIndex).toString()
            : QString();
    updatePreviewComboToolTip(m_pFlowGaugeCombo);
    m_pFlowGaugeCombo->blockSignals(bSignalsWereBlocked);
}

void nmWellPressureFlowPage::populateDisplayPhaseCombo(
        const nmFlowGaugeRecord* pRecord)
{
    if (m_pDisplayPhaseCombo == nullptr ||
            m_pDisplayPhaseContainer == nullptr)
    {
        return;
    }

    bool bSignalsWereBlocked = m_pDisplayPhaseCombo->blockSignals(true);
    m_pDisplayPhaseCombo->clear();

    if (pRecord == nullptr)
    {
        m_pDisplayPhaseContainer->setVisible(false);
        m_eDisplayPhase = PHASE_UNKNOWN;
        m_pDisplayPhaseCombo->blockSignals(bSignalsWereBlocked);
        return;
    }

    // 仅列出记录中真实含数据的相；若记录只有 1 个相有数据，整行隐藏但仍取该相的点。
    QVector<NM_PHASE_TYPE> vecAvailablePhases;
    QStringList listAvailableLabels;
    if (hasRealPhaseData(pRecord->vecOilPoints))
    {
        vecAvailablePhases.append(PHASE_Oil);
        listAvailableLabels.append(tr("Oil"));
    }
    if (hasRealPhaseData(pRecord->vecGasPoints))
    {
        vecAvailablePhases.append(PHASE_Gas);
        listAvailableLabels.append(tr("Gas"));
    }
    if (hasRealPhaseData(pRecord->vecWaterPoints))
    {
        vecAvailablePhases.append(PHASE_Water);
        listAvailableLabels.append(tr("Water"));
    }

    if (vecAvailablePhases.size() <= 1)
    {
        m_pDisplayPhaseContainer->setVisible(false);
        m_eDisplayPhase = vecAvailablePhases.isEmpty()
                ? PHASE_UNKNOWN : vecAvailablePhases.first();
        m_pDisplayPhaseCombo->blockSignals(bSignalsWereBlocked);
        return;
    }

    m_pDisplayPhaseContainer->setVisible(true);
    int nCurrentIndex = -1;
    for (int nIndex = 0; nIndex < vecAvailablePhases.size(); ++nIndex)
    {
        m_pDisplayPhaseCombo->addItem(listAvailableLabels[nIndex],
                static_cast<int>(vecAvailablePhases[nIndex]));
        if (vecAvailablePhases[nIndex] == m_eDisplayPhase)
        {
            nCurrentIndex = nIndex;
        }
    }
    if (nCurrentIndex < 0)
    {
        NM_PHASE_TYPE eDefaultPhase = defaultDisplayPhase(pRecord);
        for (int nIndex = 0; nIndex < vecAvailablePhases.size(); ++nIndex)
        {
            if (vecAvailablePhases[nIndex] == eDefaultPhase)
            {
                nCurrentIndex = nIndex;
                break;
            }
        }
    }
    if (nCurrentIndex < 0)
    {
        nCurrentIndex = 0;
    }
    m_pDisplayPhaseCombo->setCurrentIndex(nCurrentIndex);
    m_eDisplayPhase = static_cast<NM_PHASE_TYPE>(
            m_pDisplayPhaseCombo->itemData(nCurrentIndex).toInt());
    m_pDisplayPhaseCombo->blockSignals(bSignalsWereBlocked);
}

NM_PHASE_TYPE nmWellPressureFlowPage::defaultDisplayPhase(
        const nmFlowGaugeRecord* pRecord) const
{
    if (pRecord == nullptr)
    {
        return PHASE_UNKNOWN;
    }

    // 优先使用井别对应的参考相，前提是该相在本条记录中确有真实数据。
    NM_PHASE_TYPE eReferencePhase = (m_pWell != nullptr)
            ? m_pWell->getReferenceFlowPhase() : PHASE_UNKNOWN;
    if (eReferencePhase == PHASE_Oil && hasRealPhaseData(pRecord->vecOilPoints))
    {
        return PHASE_Oil;
    }
    if (eReferencePhase == PHASE_Gas && hasRealPhaseData(pRecord->vecGasPoints))
    {
        return PHASE_Gas;
    }
    if (eReferencePhase == PHASE_Water && hasRealPhaseData(pRecord->vecWaterPoints))
    {
        return PHASE_Water;
    }

    // 参考相无数据时，退回记录中第一个有真实数据的相，固定按油、气、水顺序。
    if (hasRealPhaseData(pRecord->vecOilPoints))
    {
        return PHASE_Oil;
    }
    if (hasRealPhaseData(pRecord->vecGasPoints))
    {
        return PHASE_Gas;
    }
    if (hasRealPhaseData(pRecord->vecWaterPoints))
    {
        return PHASE_Water;
    }
    return PHASE_UNKNOWN;
}

const nmPressureGaugeRecord* nmWellPressureFlowPage::currentPressureRecord() const
{
    for (int nIndex = 0; nIndex < m_vecPressureGaugeRecords.size(); ++nIndex)
    {
        if (m_vecPressureGaugeRecords[nIndex].sGaugeCode ==
                m_sPreviewPressureGaugeCode)
        {
            return &m_vecPressureGaugeRecords[nIndex];
        }
    }
    return nullptr;
}

const nmFlowGaugeRecord* nmWellPressureFlowPage::currentFlowRecord() const
{
    for (int nIndex = 0; nIndex < m_vecFlowGaugeRecords.size(); ++nIndex)
    {
        if (m_vecFlowGaugeRecords[nIndex].sGaugeCode ==
                m_sPreviewFlowGaugeCode)
        {
            return &m_vecFlowGaugeRecords[nIndex];
        }
    }
    return nullptr;
}

void nmWellPressureFlowPage::initializeUnitSupport()
{
    QStringList listTimeCandidates;
    listTimeCandidates << preferredTimeUnit() << QLatin1String("hr");
    QStringList listFlowCandidates;
    listFlowCandidates << preferredFlowUnit()
                       << QLatin1String("m^3/d")
                       << QLatin1String("m^3/D");

    // 优先使用当前单位包的h、m³/d；旧英文单位包自动兼容hr、m^3/d。
    m_pTimeUnitGroup = resolveUnitGroup(
            listTimeCandidates, m_sTimeBaseUnit);
    m_pFlowUnitGroup = resolveUnitGroup(
            listFlowCandidates, m_sFlowBaseUnit);

    // 单位组缺失或当前单位不再存在时回退基准单位，入口由框架表头禁用。
    if (m_pTimeUnitGroup == nullptr ||
            m_pTimeUnitGroup->indexOf(m_sTimeUnit) < 0)
    {
        m_sTimeUnit = m_sTimeBaseUnit;
    }
    if (m_pFlowUnitGroup == nullptr ||
            m_pFlowUnitGroup->indexOf(m_sFlowUnit) < 0)
    {
        m_sFlowUnit = m_sFlowBaseUnit;
    }
    updateUnitHeader();
}

void nmWellPressureFlowPage::updateUnitHeader()
{
    if (m_pFlowHeader == nullptr)
    {
        return;
    }

    QString sFlowTitle = tr("Flow");
    switch (m_eDisplayPhase)
    {
    case PHASE_Oil:
        sFlowTitle = tr("Oil phase flow");
        break;
    case PHASE_Gas:
        sFlowTitle = tr("Gas phase flow");
        break;
    case PHASE_Water:
        sFlowTitle = tr("Water phase flow");
        break;
    default:
        break;
    }

    QStringList listTitles;
    listTitles << tr("Time") << sFlowTitle;
    QStringList listUnits;
    listUnits << m_sTimeUnit << m_sFlowUnit;
    m_pFlowHeader->setHeaderData(listTitles, listUnits);
}

bool nmWellPressureFlowPage::buildFlowTableData(
        const QString& sTimeUnit,
        const QString& sFlowUnit,
        QVector<QPointF>& vecFlowPoints,
        int& nTimeDigit,
        int& nFlowDigit) const
{
    vecFlowPoints = m_vecRawFlowPoints;

    // 空数据也必须验证目标单位，避免表头切换后留下不可用单位状态。
    double dConvertedZero = 0.0;
    if (!convertValue(m_pTimeUnitGroup,
                      m_sTimeBaseUnit,
                      sTimeUnit,
                      0.0,
                      dConvertedZero,
                      &nTimeDigit) ||
            !convertValue(m_pFlowUnitGroup,
                          m_sFlowBaseUnit,
                          sFlowUnit,
                          0.0,
                          dConvertedZero,
                          &nFlowDigit))
    {
        return false;
    }

    // 表格每次从原始副本换算，禁止使用当前显示值继续换算。
    for (int nIndex = 0; nIndex < vecFlowPoints.size(); ++nIndex)
    {
        double dDuration = 0.0;
        double dFlow = 0.0;
        if (!convertValue(m_pTimeUnitGroup,
                          m_sTimeBaseUnit,
                          sTimeUnit,
                          m_vecRawFlowPoints[nIndex].x(),
                          dDuration) ||
                !convertValue(m_pFlowUnitGroup,
                              m_sFlowBaseUnit,
                              sFlowUnit,
                              m_vecRawFlowPoints[nIndex].y(),
                              dFlow))
        {
            return false;
        }
        vecFlowPoints[nIndex] = QPointF(dDuration, dFlow);
    }
    return true;
}

bool nmWellPressureFlowPage::convertValue(
        iUnitGroup* pUnitGroup,
        const QString& sBaseUnit,
        const QString& sDestinationUnit,
        double dSourceValue,
        double& dDestinationValue,
        int* pDestinationDigit) const
{
    int nDigit = 6;
    if (pUnitGroup != nullptr)
    {
        iUnitItem* pUnitItem =
                pUnitGroup->getUnitItem(sDestinationUnit);
        if (pUnitItem != nullptr && pUnitItem->m_nDigit >= 0)
        {
            nDigit = pUnitItem->m_nDigit;
        }
    }

    if (sDestinationUnit == sBaseUnit)
    {
        dDestinationValue = dSourceValue;
        if (pDestinationDigit != nullptr)
        {
            *pDestinationDigit = nDigit;
        }
        return true;
    }
    if (pUnitGroup == nullptr ||
            pUnitGroup->indexOf(sBaseUnit) < 0 ||
            pUnitGroup->indexOf(sDestinationUnit) < 0)
    {
        return false;
    }

    int nFallbackDigit = nDigit;
    bool bConverted = pUnitGroup->convert(sBaseUnit,
                                          dSourceValue,
                                          sDestinationUnit,
                                          dDestinationValue,
                                          nDigit);
    if (bConverted && pDestinationDigit != nullptr)
    {
        *pDestinationDigit = nDigit >= 0
                ? nDigit : nFallbackDigit;
    }
    return bConverted;
}

void nmWellPressureFlowPage::updateViews()
{
    QVector<QPointF> vecFlowChartPoints = createFlowChartPoints();
    m_pPressureChart->setAxisUnits(
            m_sTimeBaseUnit, tr("MPa"));
    m_pFlowChart->setAxisUnits(m_sTimeBaseUnit, m_sFlowBaseUnit);
    m_pPressureChart->setData(m_vecRawPressurePoints);
    m_pFlowChart->setData(vecFlowChartPoints);
    updateXAxisRange(vecFlowChartPoints);
    updateFlowTable();

    bool bPressureEmpty = m_vecRawPressurePoints.isEmpty();
    bool bFlowEmpty = m_vecRawFlowPoints.isEmpty();
    m_pPressureChartStack->setCurrentIndex(bPressureEmpty ? 1 : 0);
    m_pFlowChartStack->setCurrentIndex(bFlowEmpty ? 1 : 0);
    m_pFlowTableStack->setCurrentIndex(bFlowEmpty ? 1 : 0);
    m_pContentStack->setCurrentIndex(
            bPressureEmpty && bFlowEmpty ? 1 : 0);
    updateSelectedFlowSegment();
}

QVector<QPointF> nmWellPressureFlowPage::createFlowChartPoints() const
{
    QVector<QPointF> vecChartPoints;
    double dTotalTime = 0.0;
    for (int nIndex = 0;
         nIndex < m_vecRawFlowPoints.size();
         ++nIndex)
    {
        const QPointF& oSegment = m_vecRawFlowPoints[nIndex];
        if (nIndex == 0)
        {
            vecChartPoints.append(QPointF(0.0, oSegment.y()));
        }

        dTotalTime += oSegment.x();
        vecChartPoints.append(QPointF(dTotalTime, oSegment.y()));
        if (nIndex < m_vecRawFlowPoints.size() - 1 &&
                qAbs(m_vecRawFlowPoints[nIndex + 1].y() -
                     oSegment.y()) > 1e-6)
        {
            vecChartPoints.append(QPointF(
                    dTotalTime,
                    m_vecRawFlowPoints[nIndex + 1].y()));
        }
    }
    return vecChartPoints;
}

void nmWellPressureFlowPage::updateFlowTable()
{
    bool bSignalsWereBlocked = m_pFlowTable->blockSignals(true);
    m_pFlowTable->clearContents();
    m_pFlowTable->setRowCount(m_vecTableFlowPoints.size());

    // 纵向表头显示Qt默认的1～N序号，内部仍使用零基流量点索引。
    for (int nIndex = 0;
         nIndex < m_vecTableFlowPoints.size();
         ++nIndex)
    {
        QTableWidgetItem* pTimeItem = new QTableWidgetItem(
                displayValueText(m_vecTableFlowPoints[nIndex].x(),
                                 m_nTimeDigit));
        pTimeItem->setTextAlignment(Qt::AlignCenter);
        m_pFlowTable->setItem(nIndex, 0, pTimeItem);

        QTableWidgetItem* pFlowItem = new QTableWidgetItem(
                displayValueText(m_vecTableFlowPoints[nIndex].y(),
                                 m_nFlowDigit));
        pFlowItem->setTextAlignment(Qt::AlignCenter);
        m_pFlowTable->setItem(nIndex, 1, pFlowItem);
    }

    if (m_nSelectedFlowSegment >= 0 &&
            m_nSelectedFlowSegment < m_pFlowTable->rowCount())
    {
        m_pFlowTable->setCurrentCell(m_nSelectedFlowSegment, 0);
        m_pFlowTable->selectRow(m_nSelectedFlowSegment);
    }
    else
    {
        m_nSelectedFlowSegment = -1;
        m_pFlowTable->setCurrentCell(-1, -1);
        m_pFlowTable->clearSelection();
    }
    m_pFlowTable->blockSignals(bSignalsWereBlocked);
}

void nmWellPressureFlowPage::updateXAxisRange(
        const QVector<QPointF>& vecFlowChartPoints)
{
    bool bHasRange = false;
    double dMinimum = 0.0;
    double dMaximum = 0.0;

    for (int nIndex = 0;
         nIndex < m_vecRawPressurePoints.size();
         ++nIndex)
    {
        double dTime = m_vecRawPressurePoints[nIndex].x();
        dMinimum = bHasRange ? qMin(dMinimum, dTime) : dTime;
        dMaximum = bHasRange ? qMax(dMaximum, dTime) : dTime;
        bHasRange = true;
    }
    for (int nIndex = 0; nIndex < vecFlowChartPoints.size(); ++nIndex)
    {
        double dTime = vecFlowChartPoints[nIndex].x();
        dMinimum = bHasRange ? qMin(dMinimum, dTime) : dTime;
        dMaximum = bHasRange ? qMax(dMaximum, dTime) : dTime;
        bHasRange = true;
    }

    if (bHasRange)
    {
        m_pPressureChart->setXAxisRange(dMinimum, dMaximum);
        m_pFlowChart->setXAxisRange(dMinimum, dMaximum);
    }
    else
    {
        m_pPressureChart->clearXAxisRange();
        m_pFlowChart->clearXAxisRange();
    }
}

void nmWellPressureFlowPage::updateSelectedFlowSegment()
{
    if (m_nSelectedFlowSegment < 0 ||
            m_nSelectedFlowSegment >= m_vecRawFlowPoints.size())
    {
        m_pPressureChart->clearHighlightedTimeRange();
        m_pFlowChart->clearHighlightedTimeRange();
        return;
    }

    // 流量点X值是持续时间，段区间必须从第0段开始逐段累加。
    double dStartTime = 0.0;
    for (int nIndex = 0;
         nIndex < m_nSelectedFlowSegment;
         ++nIndex)
    {
        dStartTime += m_vecRawFlowPoints[nIndex].x();
    }
    double dEndTime = dStartTime +
            m_vecRawFlowPoints[m_nSelectedFlowSegment].x();

    m_pPressureChart->setHighlightedTimeRange(
            dStartTime, dEndTime);
    m_pFlowChart->setHighlightedTimeRange(dStartTime, dEndTime);
}

void nmWellPressureFlowPage::applyFlowSegmentSelection(int nSegmentIndex)
{
    if (nSegmentIndex < 0 ||
            nSegmentIndex >= m_vecRawFlowPoints.size() ||
            nSegmentIndex >= m_pFlowTable->rowCount())
    {
        nSegmentIndex = -1;
    }

    m_nSelectedFlowSegment = nSegmentIndex;
    bool bSignalsWereBlocked = m_pFlowTable->blockSignals(true);
    if (m_nSelectedFlowSegment >= 0)
    {
        m_pFlowTable->setCurrentCell(m_nSelectedFlowSegment, 0);
        m_pFlowTable->selectRow(m_nSelectedFlowSegment);
        QTableWidgetItem* pItem = m_pFlowTable->item(
                m_nSelectedFlowSegment, 0);
        if (pItem != nullptr)
        {
            m_pFlowTable->scrollToItem(
                    pItem, QAbstractItemView::EnsureVisible);
        }
    }
    else
    {
        m_pFlowTable->setCurrentCell(-1, -1);
        m_pFlowTable->clearSelection();
    }
    m_pFlowTable->blockSignals(bSignalsWereBlocked);
    updateSelectedFlowSegment();
}

int nmWellPressureFlowPage::findFlowSegmentByTableTime(
        double dTimePoint) const
{
    double dTotalTime = 0.0;
    for (int nIndex = 0;
         nIndex < m_vecTableFlowPoints.size();
         ++nIndex)
    {
        dTotalTime += qMax(0.0, m_vecTableFlowPoints[nIndex].x());
    }

    const double dTolerance = qMax(1.0, qAbs(dTotalTime)) * 1e-9;
    if (dTimePoint < 0.0 ||
            dTimePoint > dTotalTime + dTolerance)
    {
        return -1;
    }

    // 零时长点不占区间；分界点继续查找后一有效段。
    double dStartTime = 0.0;
    int nLastValidSegment = -1;
    for (int nIndex = 0;
         nIndex < m_vecTableFlowPoints.size();
         ++nIndex)
    {
        double dDuration = m_vecTableFlowPoints[nIndex].x();
        if (dDuration <= dTolerance)
        {
            continue;
        }

        nLastValidSegment = nIndex;
        double dEndTime = dStartTime + dDuration;
        if (dTimePoint < dEndTime - dTolerance)
        {
            return nIndex;
        }
        dStartTime = dEndTime;
    }

    // 最终结束点没有后一段，归入最后一个有效流量段。
    if (nLastValidSegment >= 0 &&
            qAbs(dTimePoint - dTotalTime) <= dTolerance)
    {
        return nLastValidSegment;
    }
    return -1;
}

void nmWellPressureFlowPage::resetDataViews()
{
    m_vecRawPressurePoints.clear();
    m_vecRawFlowPoints.clear();
    m_vecTableFlowPoints.clear();
    m_nSelectedFlowSegment = -1;
    if (m_pWell == nullptr)
    {
        m_sPreviewPressureGaugeCode.clear();
        m_sPreviewFlowGaugeCode.clear();
    }

    // 井绑定切换或清空时先清空并禁用三个记录/相下拉框，等待 refreshData() 重新填充。
    if (m_pPressureGaugeCombo != nullptr)
    {
        bool bSignalsWereBlocked = m_pPressureGaugeCombo->blockSignals(true);
        m_pPressureGaugeCombo->clear();
        m_pPressureGaugeCombo->setEnabled(false);
        m_pPressureGaugeCombo->setToolTip(QString());
        m_pPressureGaugeCombo->blockSignals(bSignalsWereBlocked);
    }
    if (m_pFlowGaugeCombo != nullptr)
    {
        bool bSignalsWereBlocked = m_pFlowGaugeCombo->blockSignals(true);
        m_pFlowGaugeCombo->clear();
        m_pFlowGaugeCombo->setEnabled(false);
        m_pFlowGaugeCombo->setToolTip(QString());
        m_pFlowGaugeCombo->blockSignals(bSignalsWereBlocked);
    }
    m_vecPressureGaugeRecords.clear();
    m_vecFlowGaugeRecords.clear();
    if (m_pDisplayPhaseCombo != nullptr)
    {
        bool bSignalsWereBlocked = m_pDisplayPhaseCombo->blockSignals(true);
        m_pDisplayPhaseCombo->clear();
        m_pDisplayPhaseCombo->blockSignals(bSignalsWereBlocked);
    }
    if (m_pDisplayPhaseContainer != nullptr)
    {
        m_pDisplayPhaseContainer->setVisible(false);
    }
    m_eDisplayPhase = PHASE_UNKNOWN;

    updateViews();
}

QString nmWellPressureFlowPage::buildDiagnosticText() const
{
    if (m_pWell == nullptr)
    {
        return tr("No well is bound to this page.");
    }

    QStringList listLines;

    // 井基础信息：全部即时从井对象重新读取，验证框架解析结果而非页面缓存。
    listLines << tr("=== Well ===");
    listLines << tr("Well name: %1")
            .arg(diagTextOrNone(m_pWell->getWellName()));
    listLines << tr("Well code: %1")
            .arg(diagTextOrNone(m_pWell->getWellCode()));
    listLines << tr("Well category: %1")
            .arg(diagWellCategoryText(m_pWell->getWellCategory()));
    listLines << tr("Reference flow phase: %1")
            .arg(diagPhaseText(m_pWell->getReferenceFlowPhase()));
    listLines << QString();

    // 压力记录摘要：枚举全部记录，含损坏、空与身份无效记录。
    QVector<nmPressureGaugeRecord> vecPressureRecords =
            m_pWell->getPressureRecords();
    listLines << tr("=== Pressure records ===");
    listLines << tr("Total pressure records: %1")
            .arg(vecPressureRecords.size());
    listLines << tr("Selected pressure gauge code: %1")
            .arg(diagTextOrNone(m_pWell->getSelectedPressureGaugeCode()));
    for (int nIndex = 0; nIndex < vecPressureRecords.size(); ++nIndex)
    {
        const nmPressureGaugeRecord& oRecord = vecPressureRecords[nIndex];
        listLines << QString();
        listLines << tr("[%1] Name: %2")
                .arg(nIndex + 1)
                .arg(diagTextOrNone(oRecord.sGaugeName));
        listLines << QLatin1String("    ") +
                tr("Code: %1").arg(diagTextOrNone(oRecord.sGaugeCode));
        listLines << QLatin1String("    ") +
                tr("Time: %1").arg(diagTextOrNone(oRecord.sGaugeTime));
        listLines << QLatin1String("    ") +
                tr("Status: %1").arg(diagStatusText(oRecord.eStatus));
        listLines << QLatin1String("    ") +
                tr("Point count: %1").arg(oRecord.vecPressurePoints.size());
        if (oRecord.vecPressurePoints.isEmpty())
        {
            listLines << QLatin1String("    ") + tr("No pressure points.");
        }
        else
        {
            listLines << QLatin1String("    ") +
                    tr("First point = %1, last point = %2")
                    .arg(diagPointText(oRecord.vecPressurePoints.first()))
                    .arg(diagPointText(oRecord.vecPressurePoints.last()));
        }
    }
    listLines << QString();

    // 流量记录摘要：油、气、水三相分别统计，多相记录额外检查相间时间一致性。
    QVector<nmFlowGaugeRecord> vecFlowRecords = m_pWell->getFlowRecords();
    listLines << tr("=== Flow records ===");
    listLines << tr("Total flow records: %1").arg(vecFlowRecords.size());
    listLines << tr("Selected flow gauge code: %1")
            .arg(diagTextOrNone(m_pWell->getSelectedFlowGaugeCode()));
    listLines << tr("Current display phase: %1")
            .arg(diagPhaseText(m_eDisplayPhase));
    for (int nIndex = 0; nIndex < vecFlowRecords.size(); ++nIndex)
    {
        const nmFlowGaugeRecord& oRecord = vecFlowRecords[nIndex];
        listLines << QString();
        listLines << tr("[%1] Name: %2")
                .arg(nIndex + 1)
                .arg(diagTextOrNone(oRecord.sGaugeName));
        listLines << QLatin1String("    ") +
                tr("Code: %1").arg(diagTextOrNone(oRecord.sGaugeCode));
        listLines << QLatin1String("    ") +
                tr("Time: %1").arg(diagTextOrNone(oRecord.sGaugeTime));
        listLines << QLatin1String("    ") +
                tr("Status: %1").arg(diagStatusText(oRecord.eStatus));
        listLines << QLatin1String("    ") +
                tr("Multiphase: %1")
                .arg(oRecord.bMultiPhase ? tr("Yes") : tr("No"));
        listLines << QLatin1String("    ") +
                tr("Own flow segment index (1-based): %1")
                .arg(oRecord.nIndexF);
        appendPhaseDiagLines(listLines, tr("Oil"), oRecord.vecOilPoints);
        appendPhaseDiagLines(listLines, tr("Gas"), oRecord.vecGasPoints);
        appendPhaseDiagLines(listLines, tr("Water"), oRecord.vecWaterPoints);
        if (oRecord.bMultiPhase)
        {
            listLines << QLatin1String("    ") +
                    tr("Phase time consistency: %1")
                    .arg(diagPhaseConsistencyText(oRecord));
        }
    }

    // 数值记录显示 Corrupt 时继续向下追溯对应框架井的原始存储，尤其检查
    // 另一口井自己的 GaugeDataEx2 是否确实为 N 行 x 4 列。
    appendFrameworkFlowStorageDiagnostic(
                listLines,
                m_pWell->getWellCode(),
                m_pWell->getSelectedFlowGaugeCode());

    // 单独读取当前流动段分析快照，验证“多相数据”弹框保存的矩阵是否位于
    // ZxSegmentInfo::m_vvecMpData。此处只展示，不覆盖工程井记录或求解输入。
    listLines << QString();
    listLines << tr("=== Current flow-segment multiphase data ===");
    nmDataAnalyzeContextProvider* pContextProvider =
            nmDataAnalyzeContext::provider();
    iSubWndFitting* pSubWndFitting =
            nmDataAnalyzeManager::getCurrentFitting();
    nmDataAnalyzeManager* pCurrentManager =
            nmDataAnalyzeManager::getCurrentInstance();
    const QString sCurrentPrimaryWellCode = pCurrentManager != nullptr
            ? pCurrentManager->getPrimaryWellCode() : QString();
    const bool bSnapshotBelongsToEditedWell =
            !sCurrentPrimaryWellCode.isEmpty() &&
            sCurrentPrimaryWellCode == m_pWell->getWellCode();
    listLines << tr("Current fitting primary well code: %1")
            .arg(diagTextOrNone(sCurrentPrimaryWellCode));
    listLines << tr("Snapshot belongs to edited well: %1")
            .arg(bSnapshotBelongsToEditedWell ? tr("Yes") : tr("No"));
    if (!bSnapshotBelongsToEditedWell)
    {
        listLines << tr("This snapshot belongs to the current fitting primary well and does not override the edited other well.");
    }
    bool bSegmentMultiPhase = false;
    QString sFlowCurveName;
    VVecDouble vvecMultiPhaseData;
    const bool bSnapshotAvailable = pContextProvider != nullptr &&
            pSubWndFitting != nullptr &&
            pContextProvider->getCurrentSegmentMultiPhaseData(
                pSubWndFitting,
                bSegmentMultiPhase,
                sFlowCurveName,
                vvecMultiPhaseData);
    listLines << tr("Snapshot available: %1")
            .arg(bSnapshotAvailable ? tr("Yes") : tr("No"));
    if (bSnapshotAvailable)
    {
        PvtFluidType eFluidType = WFT_Null;
        const bool bFluidTypeAvailable =
                pContextProvider->getBasicPft(pSubWndFitting, eFluidType);
        listLines << tr("PVT phase type: %1")
                .arg(bFluidTypeAvailable
                     ? diagFluidTypeText(eFluidType) : tr("Unknown"));
        listLines << tr("Segment multiphase flag: %1")
                .arg(bSegmentMultiPhase ? tr("Yes") : tr("No"));
        listLines << tr("Flow curve name: %1")
                .arg(diagTextOrNone(sFlowCurveName));
        listLines << tr("Matrix vector count: %1")
                .arg(vvecMultiPhaseData.size());

        QStringList listVectorSizes;
        for (int nVectorIndex = 0;
             nVectorIndex < vvecMultiPhaseData.size();
             ++nVectorIndex)
        {
            listVectorSizes << QString("[%1] = %2")
                    .arg(nVectorIndex)
                    .arg(vvecMultiPhaseData[nVectorIndex].size());
        }
        listLines << tr("Vector sizes: %1")
                .arg(listVectorSizes.isEmpty()
                     ? tr("None")
                     : listVectorSizes.join(QLatin1String(", ")));

        bool bMatrixShapeValid = vvecMultiPhaseData.size() == 4;
        int nPointCount = bMatrixShapeValid
                ? vvecMultiPhaseData[0].size() : 0;
        for (int nVectorIndex = 1;
             bMatrixShapeValid && nVectorIndex < 4;
             ++nVectorIndex)
        {
            if (vvecMultiPhaseData[nVectorIndex].size() != nPointCount)
            {
                bMatrixShapeValid = false;
            }
        }
        listLines << tr("Four-vector shape valid: %1")
                .arg(bMatrixShapeValid ? tr("Yes") : tr("No"));

        if (bMatrixShapeValid)
        {
            listLines << tr("Data rows (time, oil, gas, water):");
            const int nMaxListedRows = 64;
            const int nListedRows = qMin(nPointCount, nMaxListedRows);
            for (int nPointIndex = 0;
                 nPointIndex < nListedRows;
                 ++nPointIndex)
            {
                listLines << QString("    [%1] t=%2, oil=%3, gas=%4, water=%5")
                        .arg(nPointIndex + 1)
                        .arg(diagNumberText(
                                 vvecMultiPhaseData[0][nPointIndex]))
                        .arg(diagNumberText(
                                 vvecMultiPhaseData[1][nPointIndex]))
                        .arg(diagNumberText(
                                 vvecMultiPhaseData[2][nPointIndex]))
                        .arg(diagNumberText(
                                 vvecMultiPhaseData[3][nPointIndex]));
            }
            if (nPointCount > nListedRows)
            {
                listLines << tr("    ... %1 additional rows omitted")
                        .arg(nPointCount - nListedRows);
            }
        }
    }

    return listLines.join(QLatin1String("\n"));
}