/* -------------------------------------------------------------------------- *
 *                                   OpenMM                                   *
 * -------------------------------------------------------------------------- *
 * This is part of the OpenMM molecular simulation toolkit.                   *
 * See https://openmm.org/development.                                        *
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 * Portions copyright (c) 2025 Stanford University and the Authors.           *
 * Authors: Peter Eastman                                                     *
 * Contributors:                                                              *
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#include "openmm/serialization/CustomVolumeForceProxy.h"
#include "openmm/serialization/SerializationNode.h"
#include "openmm/Force.h"
#include "openmm/CustomVolumeForce.h"
#include <sstream>

using namespace OpenMM;
using namespace std;

CustomVolumeForceProxy::CustomVolumeForceProxy() : SerializationProxy("CustomVolumeForce") {
}

void CustomVolumeForceProxy::serialize(const void* object, SerializationNode& node) const {
    node.setIntProperty("version", 0);
    const CustomVolumeForce& force = *reinterpret_cast<const CustomVolumeForce*>(object);
    node.setIntProperty("forceGroup", force.getForceGroup());
    node.setStringProperty("name", force.getName());
    node.setStringProperty("energy", force.getEnergyFunction());
    SerializationNode& globalParams = node.createChildNode("GlobalParameters");
    for (int i = 0; i < force.getNumGlobalParameters(); i++) {
        globalParams.createChildNode("Parameter").setStringProperty("name", force.getGlobalParameterName(i)).setDoubleProperty("default", force.getGlobalParameterDefaultValue(i));
    }
}

void* CustomVolumeForceProxy::deserialize(const SerializationNode& node) const {
    int version = node.getIntProperty("version");
    if (version != 0)
        throw OpenMMException("Unsupported version number");
    CustomVolumeForce* force = NULL;
    try {
        CustomVolumeForce* force = new CustomVolumeForce(node.getStringProperty("energy"));
        force->setForceGroup(node.getIntProperty("forceGroup", 0));
        force->setName(node.getStringProperty("name", force->getName()));
        const SerializationNode& globalParams = node.getChildNode("GlobalParameters");
        for (auto& parameter : globalParams.getChildren())
            force->addGlobalParameter(parameter.getStringProperty("name"), parameter.getDoubleProperty("default"));
        return force;
    }
    catch (...) {
        if (force != NULL)
            delete force;
        throw;
    }
}
