#include <vanetza/security/ecc_point.hpp>
#include <vanetza/security/ecdsa256.hpp>
#include <boost/functional/hash.hpp>
#include <algorithm>
#include <cassert>

namespace vanetza
{
namespace security
{
namespace ecdsa256
{

PublicKey create_public_key(const Uncompressed& unc)
{
    PublicKey pb;
    assert(unc.x.size() == pb.x.size());
    assert(unc.y.size() == pb.y.size());
    std::copy_n(unc.x.begin(), pb.x.size(), pb.x.begin());
    std::copy_n(unc.y.begin(), pb.y.size(), pb.y.begin());
    return pb;
}

bool operator==(const PublicKey& lhs, const PublicKey& rhs)
{
    return lhs.x == rhs.x && lhs.y == rhs.y;
}

bool operator!=(const PublicKey& lhs, const PublicKey& rhs)
{
    return !(lhs == rhs);
}

bool operator==(const PrivateKey& lhs, const PrivateKey& rhs)
{
    return lhs.key == rhs.key;
}

bool operator!=(const PrivateKey& lhs, const PrivateKey& rhs)
{
    return !(lhs == rhs);
}

} // namespace ecdsa256
} // namespace security
} // namespace vanetza

namespace std
{

using PublicKey = vanetza::security::ecdsa256::PublicKey;
using PrivateKey = vanetza::security::ecdsa256::PrivateKey;

size_t hash<PublicKey>::operator()(const PublicKey& k) const
{
    size_t seed = 0;
    boost::hash_combine(seed, k.x);
    boost::hash_combine(seed, k.y);
    return seed;
}

size_t hash<PrivateKey>::operator()(const PrivateKey& k) const
{
    return boost::hash_range(k.key.begin(), k.key.end());
}

} // namespace std