include/PtMissBuilder.h

#ifndef PTMISSBUILDER_H_
#define PTMISSBUILDER_H_

#include <initializer_list>
#include <optional>
#include <vector>

#include <TTreeReaderArray.h>

#include <CollectionBuilder.h>
#include <Dataset.h>
#include <EventCache.h>
#include <Options.h>
#include <PhysicsObjects.h>


class PtMissBuilder {
 public:
  PtMissBuilder(Dataset &dataset, Options const &options);

  PtMiss const &Get() const;

  void PullCalibration(
    std::initializer_list<CollectionBuilderBase const *> builders);

 private:
  enum class Syst {
    None,
    UnclEnergyUp,
    UnclEnergyDown
  };

  void Build() const;

  Syst syst_;

  bool applyEeNoiseMitigation_;

  EventCache cache_;

  std::vector<CollectionBuilderBase const *> calibratingBuilders_;

  mutable PtMiss ptMiss_;

  mutable TTreeReaderValue<float> srcPt_, srcPhi_;
  mutable std::optional<TTreeReaderValue<float>> srcSignificance_;
  mutable std::optional<TTreeReaderValue<float>> srcUnclEnergyUpDeltaX_,
      srcUnclEnergyUpDeltaY_;

  mutable std::optional<TTreeReaderValue<float>> srcDefaultPt_, srcDefaultPhi_,
      srcFixedPt_, srcFixedPhi_;
 };

#endif  // PTMISSBUILDER_H_

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