#include <hexi.h>
#include <array>
#include <vector>
#include <cstddef>

struct LoginPacket {
    uint64_t user_id;
    uint64_t timestamp;
    std::array<uint8_t, 16> ipv6;
};

auto deserialise(std::span<const char> network_buffer) {
    hexi::buffer_adaptor adaptor(network_buffer); // wrap the buffer
    hexi::binary_stream stream(adaptor);          // create a binary stream
    
    // deserialise!
    LoginPacket packet;
    stream >> packet;
    return packet;
}

auto serialise(const LoginPacket& packet) {
    std::vector<uint8_t> buffer;
    hexi::buffer_adaptor adaptor(buffer); // wrap the buffer
    hexi::binary_stream stream(adaptor);  // create a binary stream
    
    // serialise!
    stream << packet;
    return buffer;
}