// 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 com.google.common.base.Joiner;
import com.google.common.base.Strings;
import org.apache.doris.common.AnalysisException;

import java.util.List;

public class PartitionNames implements ParseNode {

    private final List<String> partitionNames;

    public PartitionNames(List<String> partitionNames) {
        this.partitionNames = partitionNames;
    }

    public List<String> getPartitionNames() {
        return partitionNames;
    }

    @Override
    public void analyze(Analyzer analyzer) throws AnalysisException {
        // check if partiton name is not empty string
        if (partitionNames.parallelStream().anyMatch(entity -> Strings.isNullOrEmpty(entity))) {
            throw new AnalysisException("there are empty partition name");
        }
    }

    @Override
    public String toSql() {
        StringBuilder sb = new StringBuilder();
        sb.append("PARTITIONS (");
        sb.append(Joiner.on(",").join(partitionNames));
        sb.append(")");
        return sb.toString();
    }
}
