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/*
 * 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.flink.table.client.gateway;

import org.apache.flink.table.catalog.CatalogDatabase;
import org.apache.flink.table.catalog.config.CatalogDatabaseConfig;

import org.apache.flink.shaded.guava18.com.google.common.base.Joiner;

import java.util.ArrayList;
import java.util.List;
import java.util.TreeMap;

/**
 * Description of a database.
 */
public class DatabaseDesc {

	private final String name;
	private final CatalogDatabase catalogDB;
	private final boolean extended;

	public DatabaseDesc(String name, CatalogDatabase catalogDB, boolean extended) {
		this.name = name;
		this.catalogDB = catalogDB;
		this.extended = extended;
	}

	public String getName() {
		return name;
	}

	public CatalogDatabase getCatalogDB() {
		return catalogDB;
	}

	public boolean isExtended() {
		return extended;
	}

	@Override
	public String toString() {
		List fields = new ArrayList<>();
		fields.add(name);
		String comment = catalogDB.getProperties().remove(CatalogDatabaseConfig.DATABASE_COMMENT);
		fields.add(comment == null ? "NULL" : comment);
		if (extended) {
			StringBuilder builder = new StringBuilder();
			builder.append("{");
			builder.append(Joiner.on(",").withKeyValueSeparator("=").join(new TreeMap<>(catalogDB.getProperties())));
			builder.append("}");
			fields.add(builder.toString());
		}
		if (comment != null) {
			catalogDB.getProperties().put(CatalogDatabaseConfig.DATABASE_COMMENT, comment);
		}
		return Joiner.on(",\t").join(fields) + "\n";
	}
}