/*
 * 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.
 */
/*
 * Copyright 2015 Cloudius Systems
 *
 * Modified by Cloudius Systems
 */
package com.scylladb.jmx.utils;

import java.util.Map;

import javax.management.openmbean.CompositeDataSupport;
import javax.management.openmbean.CompositeType;
import javax.management.openmbean.OpenDataException;
import javax.management.openmbean.OpenType;
import javax.management.openmbean.SimpleType;
import javax.management.openmbean.TabularDataSupport;
import javax.management.openmbean.TabularType;

import com.google.common.base.Throwables;

public class SnapshotDetailsTabularData {

    private static final String[] ITEM_NAMES = new String[] { "Snapshot name", "Keyspace name", "Column family name",
            "True size", "Size on disk" };

    private static final String[] ITEM_DESCS = new String[] { "snapshot_name", "keyspace_name", "columnfamily_name",
            "TrueDiskSpaceUsed", "TotalDiskSpaceUsed" };

    private static final String TYPE_NAME = "SnapshotDetails";

    private static final String ROW_DESC = "SnapshotDetails";

    private static final OpenType<?>[] ITEM_TYPES;

    private static final CompositeType COMPOSITE_TYPE;

    public static final TabularType TABULAR_TYPE;

    static {
        try {
            ITEM_TYPES = new OpenType[] { SimpleType.STRING, SimpleType.STRING, SimpleType.STRING, SimpleType.STRING,
                    SimpleType.STRING };

            COMPOSITE_TYPE = new CompositeType(TYPE_NAME, ROW_DESC, ITEM_NAMES, ITEM_DESCS, ITEM_TYPES);

            TABULAR_TYPE = new TabularType(TYPE_NAME, ROW_DESC, COMPOSITE_TYPE, ITEM_NAMES);
        } catch (OpenDataException e) {
            throw Throwables.propagate(e);
        }
    }

    public static void from(final String snapshot, final String ks, final String cf,
            Map.Entry<String, Pair<Long, Long>> snapshotDetail, TabularDataSupport result) {
        try {
            final String totalSize = FileUtils.stringifyFileSize(snapshotDetail.getValue().left);
            final String liveSize = FileUtils.stringifyFileSize(snapshotDetail.getValue().right);
            result.put(new CompositeDataSupport(COMPOSITE_TYPE, ITEM_NAMES,
                    new Object[] { snapshot, ks, cf, liveSize, totalSize }));
        } catch (OpenDataException e) {
            throw new RuntimeException(e);
        }
    }

    public static void from(final String snapshot, final String ks, final String cf, long total, long live,
            TabularDataSupport result) {
        try {
            final String totalSize = FileUtils.stringifyFileSize(total);
            final String liveSize = FileUtils.stringifyFileSize(live);
            result.put(new CompositeDataSupport(COMPOSITE_TYPE, ITEM_NAMES,
                    new Object[] { snapshot, ks, cf, liveSize, totalSize }));
        } catch (OpenDataException e) {
            throw new RuntimeException(e);
        }
    }
}