/*
 * 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。
 * 3. 请保留源码和相关描述文件的项目出处，作者声明等。
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 * 5. 在修改包名，模块名称，项目代码等时，请注明软件出处 <https://gitee.com/dromara/dante-cloud>
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 */

package org.dromara.dante.oauth2.authentication.customizer;

import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.lang3.ObjectUtils;
import org.dromara.dante.core.constant.SystemConstants;
import org.dromara.dante.security.domain.HerodotusUser;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.oauth2.core.endpoint.OAuth2ParameterNames;
import org.springframework.security.oauth2.server.authorization.authentication.OAuth2AccessTokenAuthenticationToken;

import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;

/**
 * <p>Description: TokenCustomizer 通用处理 </p>
 *
 * @author : gengwei.zheng
 * @date : 2022/10/12 10:20
 */
public abstract class AbstractTokenCustomizer {

    protected void appendAll(Map<String, Object> attributes, Authentication authentication, Set<String> authorizedScopes) {

        appendAuthorities(attributes, authentication);
        appendCommons(attributes, authentication, authorizedScopes);

    }

    protected void appendAuthorities(Map<String, Object> attributes, Authentication authentication) {

        if (CollectionUtils.isNotEmpty(authentication.getAuthorities())) {
            Set<String> authorities = authentication.getAuthorities().stream()
                    .map(GrantedAuthority::getAuthority)
                    .collect(Collectors.toSet());
            attributes.put(SystemConstants.AUTHORITIES, authorities);
        }
    }

    protected void appendCommons(Map<String, Object> attributes, Authentication authentication, Set<String> authorizedScopes) {

        if (CollectionUtils.isNotEmpty(authorizedScopes)) {
            attributes.put(OAuth2ParameterNames.SCOPE, authorizedScopes);
        }

        if (authentication instanceof UsernamePasswordAuthenticationToken) {
            putUserInfo(attributes, authentication.getPrincipal());
        }

        if (authentication instanceof OAuth2AccessTokenAuthenticationToken) {
            Object details = authentication.getDetails();
            putUserInfo(attributes, details);
        }

        attributes.put(SystemConstants.COPYRIGHT, SystemConstants.COPYRIGHT_DETAILS);
    }

    private void putUserInfo(Map<String, Object> attributes, Object object) {
        if (ObjectUtils.isNotEmpty(object) && object instanceof HerodotusUser principal) {
            attributes.put(SystemConstants.SCOPE_OPENID, principal.getUserId());
            attributes.put(SystemConstants.ROLES, principal.getRoles());
            attributes.put(SystemConstants.AVATAR, principal.getAvatar());
            attributes.put(SystemConstants.EMPLOYEE_ID, principal.getEmployeeId());
        }
    }
}
