/*
 * Copyright 2020-2030 码匠君<herodotus@aliyun.com>
 *
 * Dante Engine 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
 *
 *    http://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.
 *
 * Dante Engine 是 Dante Cloud 系统核心组件库，采用 APACHE LICENSE 2.0 开源协议，您在使用过程中，需要注意以下几点：
 *
 * 1. 请不要删除和修改根目录下的LICENSE文件。
 * 2. 请不要删除和修改 Dante Engine 源码头部的版权声明。
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 */

package org.dromara.dante.oauth2.commons.utils;

import org.springframework.security.oauth2.core.AuthenticationMethod;
import org.springframework.security.oauth2.core.AuthorizationGrantType;
import org.springframework.security.oauth2.core.ClientAuthenticationMethod;


/**
 * @author gengwei.zheng
 * @date 2018-3-8
 **/
public class OAuth2AuthenticationUtils {

    public static AuthorizationGrantType resolveAuthorizationGrantType(String authorizationGrantType) {
        if (AuthorizationGrantType.AUTHORIZATION_CODE.getValue().equals(authorizationGrantType)) {
            return AuthorizationGrantType.AUTHORIZATION_CODE;
        } else if (AuthorizationGrantType.CLIENT_CREDENTIALS.getValue().equals(authorizationGrantType)) {
            return AuthorizationGrantType.CLIENT_CREDENTIALS;
        } else if (AuthorizationGrantType.REFRESH_TOKEN.getValue().equals(authorizationGrantType)) {
            return AuthorizationGrantType.REFRESH_TOKEN;
        } else if (AuthorizationGrantType.DEVICE_CODE.getValue().equals(authorizationGrantType)) {
            return AuthorizationGrantType.DEVICE_CODE;
        } else if (AuthorizationGrantType.JWT_BEARER.getValue().equals(authorizationGrantType)) {
            return AuthorizationGrantType.JWT_BEARER;
        } else if (AuthorizationGrantType.TOKEN_EXCHANGE.getValue().equals(authorizationGrantType)) {
            return AuthorizationGrantType.TOKEN_EXCHANGE;
        }

        return new AuthorizationGrantType(authorizationGrantType);        // Custom authorization grant type
    }

    public static ClientAuthenticationMethod resolveClientAuthenticationMethod(String clientAuthenticationMethod) {
        if (ClientAuthenticationMethod.CLIENT_SECRET_BASIC.getValue().equals(clientAuthenticationMethod)) {
            return ClientAuthenticationMethod.CLIENT_SECRET_BASIC;
        } else if (ClientAuthenticationMethod.CLIENT_SECRET_POST.getValue().equals(clientAuthenticationMethod)) {
            return ClientAuthenticationMethod.CLIENT_SECRET_POST;
        } else if (ClientAuthenticationMethod.CLIENT_SECRET_JWT.getValue().equals(clientAuthenticationMethod)) {
            return ClientAuthenticationMethod.CLIENT_SECRET_JWT;
        } else if (ClientAuthenticationMethod.PRIVATE_KEY_JWT.getValue().equals(clientAuthenticationMethod)) {
            return ClientAuthenticationMethod.PRIVATE_KEY_JWT;
        } else if (ClientAuthenticationMethod.NONE.getValue().equals(clientAuthenticationMethod)) {
            return ClientAuthenticationMethod.NONE;
        } else if (ClientAuthenticationMethod.TLS_CLIENT_AUTH.getValue().equals(clientAuthenticationMethod)) {
            return ClientAuthenticationMethod.TLS_CLIENT_AUTH;
        } else if (ClientAuthenticationMethod.SELF_SIGNED_TLS_CLIENT_AUTH.getValue().equals(clientAuthenticationMethod)) {
            return ClientAuthenticationMethod.SELF_SIGNED_TLS_CLIENT_AUTH;
        }
        return new ClientAuthenticationMethod(clientAuthenticationMethod);
    }

    public static AuthenticationMethod resolveAuthenticationMethod(String authenticationMethod) {
        if (AuthenticationMethod.HEADER.getValue().equals(authenticationMethod)) {
            return AuthenticationMethod.HEADER;
        } else if (AuthenticationMethod.FORM.getValue().equals(authenticationMethod)) {
            return AuthenticationMethod.FORM;
        } else if (AuthenticationMethod.QUERY.getValue().equals(authenticationMethod)) {
            return AuthenticationMethod.QUERY;
        }
        return new AuthenticationMethod(authenticationMethod);
    }

}
