#pragma once
#include <set>
#include <vector>
#include <limits>
#include <stdexcept>

class cluster {
private:
    int _id;
    double _birthLevel;
    double _deathLevel;
    int _numPoints;
    double _propagatedStability;
    int _numConstraintsSatisfied;
    int _propagatedNumConstraintsSatisfied;
    std::set<int> _virtualChildCluster;
    static int counter;

public:
    std::vector<cluster*> PropagatedDescendants;
    double PropagatedLowestChildDeathLevel;
    cluster* Parent;
    double Stability;
    bool HasChildren;
    int Label;
    int HierarchyPosition; // First level where points with this cluster's label appear

    cluster();

    cluster(int label, cluster* parent, double birthLevel, int numPoints);
    bool operator==(const cluster& other) const;
    void detachPoints(int numPoints, double level);
    void propagate();
    void addPointsToVirtualChildCluster(std::set<int> points);

    bool virtualChildClusterConstraintsPoint(int point);

    void addVirtualChildConstraintsSatisfied(int numConstraints);

    void addConstraintsSatisfied(int numConstraints);

    void releaseVirtualChildCluster();

    int getClusterId();
};