#ifndef PATTERNEXPORTER_HPP
#define PATTERNEXPORTER_HPP

#include <fstream>
#include <string>
#include <vcg/space/deprecated_point2.h>
#include <vector>

enum PatternLabel {
  Valid = 0,
  MultipleCC,
  DanglingEdge,
  IntersectingEdges,
  ArticulationPoints
};

struct Pattern {
  std::vector<vcg::Point2i> edges;
  std::vector<PatternLabel> labels;
};

/*
 * A set of planar patterns using the same nodes
 * */
struct PatternSet {
  std::vector<vcg::Point2d> nodes;
  std::vector<Pattern> patterns;
};

class PatternIO {

public:
  PatternIO();
  static void save(const std::string &filepath, const Pattern &pattern);
  static void save(const std::string &filepath, const PatternSet &patterns);
  static void load(const std::string &filepath, PatternSet &patternSet,
                   const std::vector<PatternLabel> &targetLabels = {});
};

#endif // PATTERNEXPORTER_HPP