// 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 com.cloud.ovm.object;

import java.util.Map;

import org.apache.xmlrpc.XmlRpcException;

import com.cloud.utils.Pair;

public class OvmStoragePool extends OvmObject {
    public static final String NFS = "OVSSPNFS";
    public static final String OCFS2 = "OVSSPOCFS2";
    public static final String PARTITION = "OVSSPPartition";

    public static class Details {
        public String uuid;
        public String type;
        public String path;
        public String mountPoint;
        public Long totalSpace;
        public Long freeSpace;
        public Long usedSpace;

        public String toJson() {
            return Coder.toJson(this);
        }
    }

    /**
     * @param c: connection
     * @param d: includes three fields {uuid, type, path}
     * @throws XmlRpcException
     */
    public static void create(Connection c, Details d) throws XmlRpcException {
        Object[] params = {d.toJson()};
        c.callTimeoutInSec("OvmStoragePool.create", params, 3600);
    }

    /**
     *
     * @param c: connection
     * @param uuid: uuid of primary storage
     * @return: Details with full fields
     * @throws XmlRpcException
     */
    public static Details getDetailsByUuid(Connection c, String uuid) throws XmlRpcException {
        Object[] params = {uuid};
        String res = (String)c.call("OvmStoragePool.getDetailsByUuid", params);
        return Coder.fromJson(res, Details.class);
    }

    /**
     *
     * @param c: Connection
     * @param uuid: Pool uuid
     * @param from: secondary storage download path
     * @return: <destenation path, size of template>
     * @throws XmlRpcException
     */
    public static Pair<String, Long> downloadTemplate(Connection c, String uuid, String from) throws XmlRpcException {
        Object[] params = {uuid, from};
        String res = (String)c.callTimeoutInSec("OvmStoragePool.downloadTemplate", params, 3600);
        Map pair = Coder.mapFromJson(res);
        return new Pair<String, Long>((String)pair.get("installPath"), Long.parseLong((String)pair.get("templateSize")));
    }

    public static void prepareOCFS2Nodes(Connection c, String clusterName, String nodes) throws XmlRpcException {
        Object[] params = {clusterName, nodes};
        c.call("OvmStoragePool.prepareOCFS2Nodes", params);
    }

    public static Map<String, String> createTemplateFromVolume(Connection c, String secStorageMountPath, String installPath, String volumePath, int timeout)
        throws XmlRpcException {
        Object[] params = {secStorageMountPath, installPath, volumePath};
        String res = (String)c.callTimeoutInSec("OvmStoragePool.createTemplateFromVolume", params, timeout);
        Map info = Coder.mapFromJson(res);
        return info;
    }

    public static String copyVolume(Connection c, String secStorageMountPath, String volumeFolderOnSecStorage, String volumePath, String storagePoolUuid, Boolean toSec,
        int timeout) throws XmlRpcException {
        Object[] params = {secStorageMountPath, volumeFolderOnSecStorage, volumePath, storagePoolUuid, toSec};
        String res = (String)c.callTimeoutInSec("OvmStoragePool.copyVolume", params, timeout);
        Map info = Coder.mapFromJson(res);
        return (String)info.get("installPath");
    }

    public static void delete(Connection c, String uuid) throws XmlRpcException {
        Object[] params = {uuid};
        c.call("OvmStoragePool.delete", params);
    }
}