#include "network/Network.h"

namespace td {
namespace network {

class NetworkInitializer {
public:
    NetworkInitializer();
    ~NetworkInitializer();

    NetworkInitializer(const NetworkInitializer& rhs) = delete;
    NetworkInitializer& operator=(const NetworkInitializer& rhs) = delete;
};

#ifdef _WIN32
NetworkInitializer::NetworkInitializer() {
    WSADATA wsaData;
    WSAStartup(MAKEWORD(2, 2), &wsaData);
}
NetworkInitializer::~NetworkInitializer() {
    WSACleanup();
}
#else
NetworkInitializer::NetworkInitializer() {

}
NetworkInitializer::~NetworkInitializer() {

}
#endif

NetworkInitializer initializer;

IPAddresses Dns::Resolve(const std::string& host) {
    IPAddresses list;
    addrinfo hints{};
    addrinfo* addresses = nullptr;

    //hints.ai_family = AF_UNSPEC;
    hints.ai_family = AF_INET;
    hints.ai_socktype = SOCK_STREAM;
    hints.ai_protocol = IPPROTO_TCP;

    getaddrinfo(host.c_str(), NULL, &hints, &addresses);

    for (addrinfo* p = addresses; p != NULL; p = p->ai_next) {
#ifdef _WIN32
        //wchar_t straddr[35];
        //char straddr[512];
        //DWORD len;
        //WSAAddressToStringA(p->ai_addr, p->ai_addrlen, NULL, straddr, &len);

        char* straddr = inet_ntoa(((sockaddr_in*)p->ai_addr)->sin_addr);

#else
        char straddr[512];

        inet_ntop(p->ai_family, &(reinterpret_cast<sockaddr_in*>(p->ai_addr))->sin_addr, straddr, sizeof(straddr));
#endif

        list.push_back(IPAddress(straddr));
    }

    return list;
}

} // ns network
} // ns mc