// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// The MIT License (MIT)
//
// Copyright (c) 2018 www.open3d.org
//
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// of this software and associated documentation files (the "Software"), to deal
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#pragma once

#include <Eigen/Core>

#include "Open3D/Utility/Eigen.h"

namespace Json {
class Value;
}  // namespace Json

namespace open3d {
namespace utility {

/// Class IJsonConvertible defines the behavior of a class that can convert
/// itself to/from a json::Value.
class IJsonConvertible {
public:
    virtual ~IJsonConvertible() {}

public:
    virtual bool ConvertToJsonValue(Json::Value &value) const = 0;
    virtual bool ConvertFromJsonValue(const Json::Value &value) = 0;

public:
    static bool EigenVector3dFromJsonArray(Eigen::Vector3d &vec,
                                           const Json::Value &value);
    static bool EigenVector3dToJsonArray(const Eigen::Vector3d &vec,
                                         Json::Value &value);
    static bool EigenVector4dFromJsonArray(Eigen::Vector4d &vec,
                                           const Json::Value &value);
    static bool EigenVector4dToJsonArray(const Eigen::Vector4d &vec,
                                         Json::Value &value);
    static bool EigenMatrix3dFromJsonArray(Eigen::Matrix3d &mat,
                                           const Json::Value &value);
    static bool EigenMatrix3dToJsonArray(const Eigen::Matrix3d &mat,
                                         Json::Value &value);
    static bool EigenMatrix4dFromJsonArray(Eigen::Matrix4d &mat,
                                           const Json::Value &value);
    static bool EigenMatrix4dToJsonArray(const Eigen::Matrix4d &mat,
                                         Json::Value &value);
    static bool EigenMatrix4dFromJsonArray(Eigen::Matrix4d_u &mat,
                                           const Json::Value &value);
    static bool EigenMatrix4dToJsonArray(const Eigen::Matrix4d_u &mat,
                                         Json::Value &value);
    static bool EigenMatrix6dFromJsonArray(Eigen::Matrix6d &mat,
                                           const Json::Value &value);
    static bool EigenMatrix6dToJsonArray(const Eigen::Matrix6d &mat,
                                         Json::Value &value);
    static bool EigenMatrix6dFromJsonArray(Eigen::Matrix6d_u &mat,
                                           const Json::Value &value);
    static bool EigenMatrix6dToJsonArray(const Eigen::Matrix6d_u &mat,
                                         Json::Value &value);
};

}  // namespace utility
}  // namespace open3d