// Copyright(C) 1999-2022 National Technology & Engineering Solutions
// of Sandia, LLC (NTESS).  Under the terms of Contract DE-NA0003525 with
// NTESS, the U.S. Government retains certain rights in this software.
//
// See packages/seacas/LICENSE for details
#pragma once

#include <cmath>

enum class ToleranceType {
  mm_unknown   = 0,
  mm_time      = 1, // Only val and step valid.
  mm_global    = 2, // Only val and step valid.
  mm_nodal     = 3, // Only val, step, and id valid.
  mm_element   = 4, // All fields valid for the rest.
  mm_sideset   = 5,
  mm_nodeset   = 6,
  mm_edgeblock = 7,
  mm_faceblock = 8,
  mm_elematt   = 9 // step not valid
};

class DiffData
{
public:
  DiffData() = default;

  void set_max(double d, double val_1, double val_2, size_t id_ = 0, size_t blk_ = 0)
  {
    if (diff < d) {
      diff = d;
      val1 = val_1;
      val2 = val_2;
      id   = id_;
      blk  = blk_;
    }
  }

  double diff{0.0};
  double val1{0.0};
  double val2{0.0};
  size_t id{0};
  size_t blk{0};

  ToleranceType type{ToleranceType::mm_unknown};
};

class MinMaxData
{
public:
  MinMaxData() = default;

  void spec_min_max(double val, int step, size_t id = 0, size_t blk = 0)
  {
    if (std::fabs(val) < min_val) {
      min_val  = std::fabs(val);
      min_step = step;
      min_id   = id;
      min_blk  = blk;
    }

    if (std::fabs(val) > max_val) {
      max_val  = std::fabs(val);
      max_step = step;
      max_id   = id;
      max_blk  = blk;
    }
  }

  double min_val{DBL_MAX};
  int    min_step{0};
  size_t min_id{0};
  size_t min_blk{0};

  double max_val{-1.0};
  int    max_step{0};
  size_t max_id{0};
  size_t max_blk{0};

  ToleranceType type{ToleranceType::mm_unknown};
};