/*
 * Copyright (C) 2025 Apple Inc. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#if ENABLE(WEB_AUTHN)

#include <JavaScriptCore/Strong.h>
#include <WebCore/BasicCredential.h>
#include <WebCore/DigitalCredentialsProtocols.h>
#include <WebCore/DigitalCredentialsRequestData.h>
#include <WebCore/JSDOMPromiseDeferred.h>
#include <WebCore/JSDOMPromiseDeferredForward.h>
#include <WebCore/UnvalidatedDigitalCredentialRequest.h>
#include <wtf/RefPtr.h>

namespace WebCore {

class Document;
enum class IdentityCredentialProtocol : uint8_t;
struct CredentialRequestOptions;
struct DigitalCredentialRequest;
struct DigitalCredentialRequestOptions;
template<typename IDLType> class DOMPromiseDeferred;
template<typename> class ExceptionOr;

using CredentialPromise = DOMPromiseDeferred<IDLNullable<IDLInterface<BasicCredential>>>;

class DigitalCredential final : public BasicCredential {
public:
    static Ref<DigitalCredential> create(JSC::Strong<JSC::JSObject>&&, IdentityCredentialProtocol);

    virtual ~DigitalCredential();

    const JSC::Strong<JSC::JSObject>& data() const
    {
        return m_data;
    };

    IdentityCredentialProtocol protocol() const
    {
        return m_protocol;
    }

    static void discoverFromExternalSource(const Document&, CredentialPromise&&, CredentialRequestOptions&&);

    static bool userAgentAllowsProtocol(const String& protocol)
    {
        return protocol == "org-iso-mdoc"_s;
    }

private:
    DigitalCredential(JSC::Strong<JSC::JSObject>&&, IdentityCredentialProtocol);

    static ExceptionOr<Vector<ValidatedDigitalCredentialRequest>> validateRequests(const Document&, Vector<UnvalidatedDigitalCredentialRequest>&&);
    static ExceptionOr<Vector<UnvalidatedDigitalCredentialRequest>> convertObjectsToDigitalPresentationRequests(const Document&, const Vector<DigitalCredentialRequest>&);
    static bool parseResponseData(RefPtr<Document>, const String&, JSC::JSObject*&);

    Type credentialType() const final { return Type::DigitalCredential; }

    IdentityCredentialProtocol m_protocol;
    const JSC::Strong<JSC::JSObject> m_data;
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_BASIC_CREDENTIAL(DigitalCredential, BasicCredential::Type::DigitalCredential)

#endif // ENABLE(WEB_AUTHN)
