/***
    Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: IPAddress.cpp
    Date: 2022-2-1
    Author: Reece
***/
#include <Source/RuntimeInternal.hpp>
#include "Net.hpp"
#include "IPAddress.hpp"

namespace Aurora::IO::Net
{
    IPAddress::IPAddress()
    {
        this->ip = EIPProtocol::eEnumInvalid;
    }

    IPAddress::IPAddress(const AuString &parse)
    {
        unsigned char buf[64];
        static_assert(AuArraySize(buf) >= sizeof(struct in6_addr));
        static_assert(AuArraySize(buf) >= sizeof(struct in_addr));

        this->ip = EIPProtocol::eEnumInvalid;

        bool isIPV4 {};
        if (parse.size() > 4)
        {
            isIPV4 = parse[1] == '.' || parse[2] == '.';
        }

        if (inet_pton(isIPV4 ? AF_INET : AF_INET6, parse.c_str(), buf) != 1)
        {
            return;
        }

        if (isIPV4)
        {
            AuWriteU32BE(this->v4, 0, AuReadU32LE(buf, 0));
        }
        else
        {
            auto ipv6 = reinterpret_cast<AuUInt16 *>(buf);
            AuWriteU16BE(&this->v6[0], 0, ipv6[0]);
            AuWriteU16BE(&this->v6[1], 0, ipv6[1]);
            AuWriteU16BE(&this->v6[2], 0, ipv6[2]);
            AuWriteU16BE(&this->v6[3], 0, ipv6[3]);
            AuWriteU16BE(&this->v6[4], 0, ipv6[4]);
            AuWriteU16BE(&this->v6[5], 0, ipv6[5]);
            AuWriteU16BE(&this->v6[6], 0, ipv6[6]);
        }
    }

    AuString IPAddress::ToString() const
    {
        return {};
    }

    bool IPAddress::IsValid() const
    {
        return EIPProtocolIsValid(this->ip);
    }
}