/*
 * Copyright 1999-2021 Alibaba Group Holding Ltd.
 *
 * 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.
 */

package com.alibaba.nacos.auth.parser.http;

import com.alibaba.nacos.api.common.Constants;
import com.alibaba.nacos.auth.annotation.Secured;
import com.alibaba.nacos.common.utils.NamespaceUtil;
import com.alibaba.nacos.common.utils.StringUtils;
import jakarta.servlet.http.HttpServletRequest;

import java.util.Arrays;
import java.util.Properties;

/**
 * Config Http resource parser.
 *
 * @author xiweng.yy
 */
public class ConfigHttpResourceParser extends AbstractHttpResourceParser {
    
    @Override
    protected String getNamespaceId(HttpServletRequest request) {
        String namespaceId = request.getParameter(Constants.NAMESPACE_ID);
        if (StringUtils.isBlank(namespaceId)) {
            namespaceId = request.getParameter(Constants.TENANT);
        }
        return NamespaceUtil.processNamespaceParameter(namespaceId);
    }
    
    @Override
    protected String getNamespaceId(HttpServletRequest request, Secured secured) {
        return Arrays.stream(secured.tags()).filter(tag -> tag.startsWith(Constants.NAMESPACE_ID))
                .map(tag -> tag.split(com.alibaba.nacos.plugin.auth.constant.Constants.Resource.SPLITTER))
                .filter(splitTags -> splitTags.length >= 2).map(splitTags -> request.getParameter(splitTags[1]))
                .filter(StringUtils::isNotBlank).findFirst().orElseGet(() -> getNamespaceId(request));
    }
    
    @Override
    protected String getGroup(HttpServletRequest request) {
        String groupName = request.getParameter(Constants.GROUP_NAME);
        if (StringUtils.isBlank(groupName)) {
            groupName = request.getParameter(com.alibaba.nacos.api.common.Constants.GROUP);
        }
        return StringUtils.isBlank(groupName) ? StringUtils.EMPTY : groupName;
    }
    
    @Override
    protected String getResourceName(HttpServletRequest request) {
        String dataId = request.getParameter(com.alibaba.nacos.api.common.Constants.DATA_ID);
        return StringUtils.isBlank(dataId) ? StringUtils.EMPTY : dataId;
    }
    
    @Override
    protected Properties getProperties(HttpServletRequest request) {
        return new Properties();
    }
}
