/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
 * Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
 * Copyright (C) 2015, 2016 Ericsson AB. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer
 *    in the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name of Google Inc. nor the names of its contributors
 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 */

#include "config.h"
#include "RTCIceCandidate.h"

#if ENABLE(WEB_RTC)

#include "RTCIceCandidateInit.h"
#include <wtf/IsoMallocInlines.h>

namespace WebCore {

WTF_MAKE_ISO_ALLOCATED_IMPL(RTCIceCandidate);

RTCIceCandidate::RTCIceCandidate(const String& candidate, const String& sdpMid, std::optional<unsigned short> sdpMLineIndex, Fields&& fields)
    : m_candidate(candidate)
    , m_sdpMid(sdpMid)
    , m_sdpMLineIndex(sdpMLineIndex)
    , m_fields(WTFMove(fields))
{
    ASSERT(!sdpMid.isNull() || sdpMLineIndex);
}

ExceptionOr<Ref<RTCIceCandidate>> RTCIceCandidate::create(const RTCIceCandidateInit& dictionary)
{
    if (dictionary.sdpMid.isNull() && !dictionary.sdpMLineIndex)
        return Exception { TypeError, "Candidate must not have both null sdpMid and sdpMLineIndex" };

    auto fields = parseIceCandidateSDP(dictionary.candidate).value_or(RTCIceCandidate::Fields { });
    fields.usernameFragment = dictionary.usernameFragment;
    return adoptRef(*new RTCIceCandidate(dictionary.candidate, dictionary.sdpMid, dictionary.sdpMLineIndex, WTFMove(fields)));
}

Ref<RTCIceCandidate> RTCIceCandidate::create(const String& candidate, const String& sdpMid, std::optional<unsigned short> sdpMLineIndex)
{
    auto fields = parseIceCandidateSDP(candidate);
    return adoptRef(*new RTCIceCandidate(candidate, sdpMid, sdpMLineIndex, WTFMove(*fields)));
}

RTCIceCandidateInit RTCIceCandidate::toJSON() const
{
    RTCIceCandidateInit result;
    result.candidate = m_candidate;
    result.sdpMid = m_sdpMid;
    result.sdpMLineIndex = m_sdpMLineIndex;
    return result;
}

} // namespace WebCore

#endif // ENABLE(WEB_RTC)