/*
 * Copyright 2004-present the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.security.web.webauthn.jackson;

import org.jspecify.annotations.Nullable;
import tools.jackson.core.JacksonException;
import tools.jackson.core.JsonParser;
import tools.jackson.databind.DeserializationContext;
import tools.jackson.databind.deser.std.StdDeserializer;

import org.springframework.security.web.webauthn.api.AuthenticatorAttachment;

/**
 * Jackson deserializer for {@link AuthenticatorAttachment}
 *
 * @author Rob Winch
 * @since 6.4
 */
@SuppressWarnings("serial")
class AuthenticatorAttachmentDeserializer extends StdDeserializer<AuthenticatorAttachment> {

	AuthenticatorAttachmentDeserializer() {
		super(AuthenticatorAttachment.class);
	}

	@Override
	public @Nullable AuthenticatorAttachment deserialize(JsonParser parser, DeserializationContext ctxt)
			throws JacksonException {
		String type = parser.readValueAs(String.class);
		for (AuthenticatorAttachment publicKeyCredentialType : AuthenticatorAttachment.values()) {
			if (publicKeyCredentialType.getValue().equals(type)) {
				return publicKeyCredentialType;
			}
		}
		return null;
	}

}
