#include "crypto_core_test_util.hh"

#include <cstring>

#include <iomanip>

#include "crypto_core.h"

#include "test_util.hh"

#include "tox_random_impl.h"

Tox_Random_Funcs const Random_Class::vtable = {

    Method<tox_random_bytes_cb, Random_Class>::invoke<&Random_Class::random_bytes>,

    Method<tox_random_uniform_cb, Random_Class>::invoke<&Random_Class::random_uniform>,

};

Random_Class::~Random_Class() = default;

void Test_Random::random_bytes(void *obj, uint8_t *bytes, uint32_t length)

{

    std::generate(bytes, &bytes[length], std::ref(lcg));

}

uint32_t Test_Random::random_uniform(void *obj, uint32_t upper_bound)

{

    std::uniform_int_distribution<uint32_t> distrib(0, upper_bound);

    return distrib(lcg);

}

PublicKey random_pk(const Random *rng)

{

    PublicKey pk;

    random_bytes(rng, pk.data(), pk.size());

    return pk;

}

std::ostream &operator<<(std::ostream &out, PublicKey const &pk)

{

    out << '"';

    for (uint8_t byte : pk) {

        out << std::setw(2) << std::setfill('0') << std::hex << uint32_t(byte);

    }

    out << '"';

    return out;

}