// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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 org.apache.doris.analysis;

import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.util.PrintableMap;
import org.apache.doris.load.LoadErrorHub;

import com.google.common.base.Strings;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.util.Map;

// FORMAT:
//   ALTER SYSTEM SET GLOBAL LOAD_ERROR_URL= "mysql://user:password@host:port[/database[/table]]"
//   ALTER SYSTEM SET GLOBAL LOAD_ERROR_URL= "broker://"

public class AlterLoadErrorUrlClause extends AlterClause {
    private static final Logger LOG = LogManager.getLogger(AlterLoadErrorUrlClause.class);

    private Map<String, String> properties;
    private LoadErrorHub.Param param;

    public AlterLoadErrorUrlClause(Map<String, String> properties) {
        this.properties = properties;
    }

    @Override
    public Map<String, String> getProperties() {
        return properties;
    }

    @Override
    public void analyze(Analyzer analyzer) throws AnalysisException {
        if (properties == null || properties.isEmpty()) {
            throw new AnalysisException("Load errors hub's properties are missing");
        }

        String type = properties.get("type");
        if (Strings.isNullOrEmpty(type)) {
            throw new AnalysisException("Load errors hub's type is missing");
        }

        if (!type.equalsIgnoreCase("MYSQL") && !type.equalsIgnoreCase("BROKER")) {
            throw new AnalysisException("Load errors hub's type should be MYSQL or BROKER");
        }
    }

    @Override
    public String toSql() {
        StringBuilder sb = new StringBuilder();
        sb.append("ALTER SYSTEM SET LOAD ERRORS HUB PROPERTIES(");
        PrintableMap<String, String> printableMap = new PrintableMap<>(properties, "=", true, true, true);
        sb.append(printableMap.toString());
        sb.append(")");
        return sb.toString();
    }

}
