/*
 * Licensed to Crate under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.  Crate 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.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial
 * agreement.
 */

package io.crate.operation.reference.sys.node.fs;

import com.google.common.collect.Lists;
import io.crate.monitor.ExtendedFsStats;
import io.crate.operation.reference.sys.node.NodeStatsArrayTypeExpression;

import java.util.HashMap;
import java.util.List;
import java.util.Map;


public class NodeStatsFsDisksExpression extends NodeStatsArrayTypeExpression<ExtendedFsStats.Info, Map<String, Object>> {

    public NodeStatsFsDisksExpression() {
    }

    @Override
    protected List<ExtendedFsStats.Info> items() {
        return Lists.newArrayList(this.row.extendedFsStats());
    }

    @Override
    protected Map<String, Object> valueForItem(final ExtendedFsStats.Info input) {
        return new HashMap<String, Object>() {{
            put(NodeFsStatsExpression.DEV, input.dev());
            put(NodeFsStatsExpression.SIZE, input.total());
            put(NodeFsStatsExpression.USED, input.used());
            put(NodeFsStatsExpression.AVAILABLE, input.available());
            put(NodeFsStatsExpression.READS, input.diskReads());
            put(NodeFsStatsExpression.BYTES_READ, input.diskReadSizeInBytes());
            put(NodeFsStatsExpression.WRITES, input.diskWrites());
            put(NodeFsStatsExpression.BYTES_WRITTEN, input.diskWriteSizeInBytes());
        }};
    }
}