/*
 * (C) Copyright 2005- ECMWF.
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 *
 * In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
 * virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
 */

#pragma once

#include "DataSimplePacking.h"
#include "grib_scaling.h"
#include "grib_ieeefloat.h"

typedef unsigned long (*encode_float_proc)(double);
typedef double (*decode_float_proc)(unsigned long);

namespace eccodes::accessor
{

class DataComplexPacking : public DataSimplePacking
{
public:
    DataComplexPacking() :
        DataSimplePacking() { class_name_ = "data_complex_packing"; }
    // grib_accessor* create_empty_accessor() override { return new DataComplexPacking{}; }
    int pack_double(const double* val, size_t* len) override;
    int unpack_double(double* val, size_t* len) override;
    int unpack_float(float* val, size_t* len) override;
    int value_count(long*) override;
    void init(const long, grib_arguments*) override;

protected:
    const char* sub_j_ = nullptr;
    const char* sub_k_ = nullptr;
    const char* sub_m_ = nullptr;

private:
    const char* GRIBEX_sh_bug_present_ = nullptr;
    const char* ieee_floats_ = nullptr;
    const char* laplacianOperatorIsSet_ = nullptr;
    const char* laplacianOperator_ = nullptr;
    const char* pen_j_ = nullptr;
    const char* pen_k_ = nullptr;
    const char* pen_m_ = nullptr;

    template <typename T> int unpack_real(T* val, size_t* len);
};

}  // namespace eccodes::accessor
