/* -------------------------------------------------------------------------- *
 *                                   OpenMM                                   *
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 * 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                                                     *
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#include "openmm/serialization/OrientationRestraintForceProxy.h"
#include "openmm/serialization/SerializationNode.h"
#include "openmm/Force.h"
#include "openmm/OrientationRestraintForce.h"
#include <sstream>

using namespace OpenMM;
using namespace std;

OrientationRestraintForceProxy::OrientationRestraintForceProxy() : SerializationProxy("OrientationRestraintForce") {
}

void OrientationRestraintForceProxy::serialize(const void* object, SerializationNode& node) const {
    node.setIntProperty("version", 0);
    const OrientationRestraintForce& force = *reinterpret_cast<const OrientationRestraintForce*>(object);
    node.setIntProperty("forceGroup", force.getForceGroup());
    node.setStringProperty("name", force.getName());
    node.setDoubleProperty("k", force.getK());
    SerializationNode& positionsNode = node.createChildNode("ReferencePositions");
    for (const Vec3& pos : force.getReferencePositions())
       positionsNode.createChildNode("Position").setDoubleProperty("x", pos[0]).setDoubleProperty("y", pos[1]).setDoubleProperty("z", pos[2]);
    SerializationNode& particlesNode = node.createChildNode("Particles");
    for (int i : force.getParticles())
       particlesNode.createChildNode("Particle").setIntProperty("index", i);
}

void* OrientationRestraintForceProxy::deserialize(const SerializationNode& node) const {
    int version = node.getIntProperty("version");
    if (version != 0)
        throw OpenMMException("Unsupported version number");
    OrientationRestraintForce* force = NULL;
    try {
        double k = node.getDoubleProperty("k");
        vector<Vec3> positions;
        for (auto& pos : node.getChildNode("ReferencePositions").getChildren())
            positions.push_back(Vec3(pos.getDoubleProperty("x"), pos.getDoubleProperty("y"), pos.getDoubleProperty("z")));
        vector<int> particles;
        for (auto& particle : node.getChildNode("Particles").getChildren())
            particles.push_back(particle.getIntProperty("index"));
        force = new OrientationRestraintForce(k, positions, particles);
        force->setForceGroup(node.getIntProperty("forceGroup", 0));
        force->setName(node.getStringProperty("name", force->getName()));
        return force;
    }
    catch (...) {
        if (force != NULL)
            delete force;
        throw;
    }
}
