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#ifndef NMCALCULATIONAUTOFITLM_H
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#define NMCALCULATIONAUTOFITLM_H
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#include <QObject>
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#include <QVector>
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#include <QPointF>
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#include <QString>
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#include <QStringList>
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#include <QFile>
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#include <QAtomicInt>
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#include <limits>
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#include "nmCalculation_global.h"
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#include <functional>
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struct nmSensitivityFitSettings;
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// 双对数曲线误差分解。预调整使用纵向偏差，形状阶段使用双曲线斜率残差，
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// 总误差部分只使用 total 接受候选；两个 LM 目标均联合调整有效参数。
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struct AutoFitObjectiveBreakdownLM {
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bool valid;
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double total;
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double pressureLoss;
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double derivativeLoss;
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QVector<double> residualVector;
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double verticalCommonBias;
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double verticalLoss;
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bool verticalReliable;
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double horizontalPhysicalShift;
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double horizontalLoss;
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bool horizontalReliable;
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bool registrationAmbiguous;
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// 与整体误差共用 log-time 采样网格，斜率跨度约为完整对数时域的 10%。
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QVector<double> shapeResiduals;
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double pressureVerticalBias;
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double derivativeVerticalBias;
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double shapeLoss;
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double lateDerivativeSlopeBias;
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double lateDerivativeTrendLoss;
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bool lateDerivativeTrendReliable;
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AutoFitObjectiveBreakdownLM()
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: valid(false)
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, total(1.0e10)
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, pressureLoss(std::numeric_limits<double>::quiet_NaN())
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, derivativeLoss(std::numeric_limits<double>::quiet_NaN())
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, verticalCommonBias(std::numeric_limits<double>::quiet_NaN())
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, verticalLoss(std::numeric_limits<double>::quiet_NaN())
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, verticalReliable(false)
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, horizontalPhysicalShift(std::numeric_limits<double>::quiet_NaN())
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, horizontalLoss(std::numeric_limits<double>::quiet_NaN())
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, horizontalReliable(false)
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, registrationAmbiguous(false)
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, pressureVerticalBias(0.0)
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, derivativeVerticalBias(0.0)
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, shapeLoss(std::numeric_limits<double>::quiet_NaN())
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, lateDerivativeSlopeBias(std::numeric_limits<double>::quiet_NaN())
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, lateDerivativeTrendLoss(std::numeric_limits<double>::quiet_NaN())
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, lateDerivativeTrendReliable(false)
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{}
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};
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// 有限差分 + LM/信赖域拟合的停止原因。
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enum StopReasonLM {
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LM_CONTINUE_OPTIMIZATION = 0,
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LM_TARGET_ACHIEVED = 1,
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LM_LOCAL_OPTIMUM = 3,
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LM_MAX_ITERATIONS = 4,
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LM_USER_STOPPED = 5,
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LM_CONSECUTIVE_FAILURES = 6,
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LM_OPTIMIZATION_FAILED = 7
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};
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class NMCALCULATION_EXPORT nmCalculationAutoFitLM : public QObject
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{
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Q_OBJECT
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public:
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explicit nmCalculationAutoFitLM(QObject* parent = 0);
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~nmCalculationAutoFitLM();
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void setTargetLogLogData(const QVector<QVector<double> >& targetData);
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bool startAutoFitting();
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// 在样本副本上复用拟合算法，评价和停止由敏感性任务负责，不写回当前模型。
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bool startSensitivityFitting(const nmSensitivityFitSettings& settings,
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const std::function<QVector<QVector<double> >(const QVector<double>&)>& evaluate,
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const std::function<bool()>& cancelled, bool verticalWell);
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void stopFitting();
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QVector<double> getBestSolution() const;
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double getBestFitness() const;
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AutoFitObjectiveBreakdownLM getLastObjectiveBreakdown() const;
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QString getLastError() const;
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bool isRunning() const;
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int getCurrentIteration() const;
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int getTotalEvaluations() const;
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int getSolverCallCount() const;
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void resetOptimizer();
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void setTargetWellName(const QString& wellName);
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signals:
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// 阶段仅用于界面显示：0 初始求解，1 高度，2 形状，3 总误差。
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void fittingStageChanged(int stage);
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void progressUpdated(int iteration, double bestFitness);
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void fittingFinished(bool success, const QString& message);
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void bestCurveUpdated(QVector<QVector<double> > targetData,
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QVector<QVector<double> > bestData,
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int iteration,
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double fitness);
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// 优化迭代结束，开始用当前最优参数生成正式结果。
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void finalizingStarted();
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void logMessageGenerated(const QString& message);
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private slots:
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// 由求解线程直接通知，仅累加原子计数，不操作界面。
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void recordSolverCall();
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private:
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bool initializeTemporaryDirectory();
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void cleanupTemporaryDirectory();
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bool loadAllConfigFromDataManager();
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void loadOptimizationConfig();
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void loadParameterBounds();
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void extractUserInitialValues();
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// 有限差分 + LM/信赖域核心算法。
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StopReasonLM runTrustRegionFitting();
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bool evaluateTrustRegionPoint(const QVector<double>& parameters,
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double* fitness,
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AutoFitObjectiveBreakdownLM* breakdown,
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QVector<QVector<double> >* curve,
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int* elapsedMs);
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double evaluateFitness(const QVector<double>& parameters, bool retrySolver = true);
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void applyParametersToDataManager(const QVector<double>& parameters);
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void updateReservoirParameters(const QVector<double>& parameters);
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void updateWellParameters(const QVector<double>& parameters);
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QVector<QVector<double> > runSolverDll();
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bool runFinalFullSolver();
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void validateAndProtectFinalResult();
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QString getStopReasonDescription(StopReasonLM reason) const;
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int getEnabledParameterCount() const;
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// LM 运行轨迹。
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void initializeTraceFile();
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void closeTraceFile();
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void writeTraceHeader();
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void writeTraceMetaFile();
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void writeTraceRow(int iteration,
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int parameterIndex,
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const QString& phase,
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const QVector<double>& parameters,
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double solverObjective,
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bool solverSuccess,
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int elapsedMs,
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const QString& decision,
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const AutoFitObjectiveBreakdownLM* objectiveBreakdown = nullptr);
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QVector<double> buildTraceParameterVector(const QVector<double>& selectedParameters) const;
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void emitRunSummary(bool success, StopReasonLM finalReason);
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void emitTrialLog(const QString& title, const AutoFitObjectiveBreakdownLM& before,
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const AutoFitObjectiveBreakdownLM& after, bool valid, bool accepted, bool shapeStage);
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bool validateParameters(const QVector<double>& parameters) const;
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bool validateLogLogData(const QVector<QVector<double> >& logLogData) const;
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bool validateInitialValues() const;
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bool validateSolverResult(const QVector<QVector<double> >& result) const;
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double calculateLogLogCurveError(const QVector<QVector<double> >& target,
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const QVector<QVector<double> >& result);
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private:
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const nmSensitivityFitSettings* m_sensitivitySettings;
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std::function<QVector<QVector<double> >(const QVector<double>&)> m_sensitivityEvaluate;
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std::function<bool()> m_sensitivityCancelled;
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bool m_sensitivityVerticalWell;
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bool m_isRunning;
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bool m_shouldStop;
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bool m_isFinalizing;
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int m_currentIteration;
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QString m_lastError;
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QVector<double> m_initialValues;
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QVector<double> m_globalBestPosition;
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double m_globalBestFitness;
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AutoFitObjectiveBreakdownLM m_globalBestObjectiveBreakdown;
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QVector<QVector<double> > m_lastEvaluatedLogLogData;
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QVector<QVector<double> > m_globalBestLogLogData;
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AutoFitObjectiveBreakdownLM m_lastObjectiveBreakdown;
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QVector<QVector<double> > m_userInitialLogLogData;
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AutoFitObjectiveBreakdownLM m_userInitialObjectiveBreakdown;
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// 参数索引：0 k，1 skin，2 wellboreC，3 phi，4 Dfc，5 fractureHalfLength。
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QVector<bool> m_parameterSelected;
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QVector<double> m_parameterLower;
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QVector<double> m_parameterUpper;
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QVector<int> m_enabledParamIndices;
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QVector<QVector<double> > m_targetLogLogData;
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// 首次有效评价后固定，后续候选必须覆盖同一时间区间。
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double m_comparisonTimeMin;
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double m_comparisonTimeMax;
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QString m_targetWellName;
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int m_maxIterations;
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double m_targetError;
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int m_totalEvaluations;
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QAtomicInt m_solverCallCount;
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int m_successfulEvaluations;
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volatile int m_evaluationInProgress;
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int m_maxConsecutiveFailures;
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QVector<double> m_userInitialSolution;
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double m_userInitialFitness;
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bool m_hasValidUserSolution;
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QString m_tempDirectory;
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QString m_traceRunId;
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QString m_traceFilePath;
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QString m_traceMetaFilePath;
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QFile m_traceFile;
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};
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#endif // NMCALCULATIONAUTOFITLM_H
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