/**
 *  Copyright (C) 2010 Cloud.com, Inc.  All rights reserved.
 * 
 * This software is licensed under the GNU General Public License v3 or later.
 * 
 * It is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */

/**
 * 
 */
package com.cloud.deploy;

import java.util.Map;

import com.cloud.dc.DataCenter;
import com.cloud.dc.Pod;
import com.cloud.host.Host;
import com.cloud.org.Cluster;
import com.cloud.storage.StoragePool;
import com.cloud.storage.Volume;
import com.cloud.utils.NumbersUtil;

public class DeployDestination {
    DataCenter _dc;
    Pod _pod;
    Cluster _cluster;
    Host _host;
    Map<Volume, StoragePool> _storage;

    public DataCenter getDataCenter() {
        return _dc;
    }

    public Pod getPod() {
        return _pod;
    }

    public Cluster getCluster() {
        return _cluster;
    }

    public Host getHost() {
        return _host;
    }

    public Map<Volume, StoragePool> getStorageForDisks() {
        return _storage;
    }

    public DeployDestination(DataCenter dc, Pod pod, Cluster cluster, Host host) {
        _dc = dc;
        _pod = pod;
        _cluster = cluster;
        _host = host;
    }

    public DeployDestination(DataCenter dc, Pod pod, Cluster cluster, Host host, Map<Volume, StoragePool> storage) {
        this(dc, pod, cluster, host);
        _storage = storage;
    }

    public DeployDestination() {
    }

    @Override
    public int hashCode() {
        return NumbersUtil.hash(_host.getId());
    }

    @Override
    public boolean equals(Object obj) {
        DeployDestination that = (DeployDestination) obj;
        if (this._dc == null || that._dc == null) {
            return false;
        }
        if (this._dc.getId() != that._dc.getId()) {
            return false;
        }
        if (this._pod == null || that._pod == null) {
            return false;
        }
        if (this._pod.getId() != that._pod.getId()) {
            return false;
        }
        if (this._cluster == null || that._cluster == null) {
            return false;
        }
        if (this._cluster.getId() != that._cluster.getId()) {
            return false;
        }
        if (this._host == null || that._host == null) {
            return false;
        }
        return this._host.getId() == that._host.getId();
    }

    @Override
    public String toString() {

        Long dcId = null;
        Long podId = null;
        Long clusterId = null;
        Long hostId = null;

        if (_dc != null) {
            dcId = _dc.getId();
        }

        if (_pod != null) {
            podId = _pod.getId();
        }

        if (_cluster != null) {
            clusterId = _cluster.getId();
        }

        if (_host != null) {
            hostId = _host.getId();
        }

        StringBuilder destination = new StringBuilder("Dest[Zone(Id)-Pod(Id)-Cluster(Id)-Host(Id)-Storage(Volume(Id|Type-->Pool(Id))] : Dest[");
        destination.append("Zone(").append(dcId).append(")").append("-");
        destination.append("Pod(").append(podId).append(")").append("-");
        destination.append("Cluster(").append(clusterId).append(")").append("-");
        destination.append("Host(").append(hostId).append(")").append("-");
        destination.append("Storage(");
        if (_storage != null) {
            String storageStr = "";
            for (Volume vol : _storage.keySet()) {
                if (!storageStr.equals("")) {
                    storageStr = storageStr + ", ";
                }
                storageStr = storageStr + "Volume(" + vol.getId() + "|" + vol.getVolumeType().name() + "-->Pool(" + _storage.get(vol).getId() + ")";
            }
            destination.append(storageStr);
        }
        return destination.append(")]").toString();
    }
}