package org.ovirt.engine.core.vdsbroker.vdsbroker;

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

import org.ovirt.engine.core.common.errors.VdcBllErrors;
import org.ovirt.engine.core.common.vdscommands.NetworkVdsmVDSCommandParameters;
import org.ovirt.engine.core.compat.LogCompat;
import org.ovirt.engine.core.compat.LogFactoryCompat;
import org.ovirt.engine.core.compat.StringHelper;
import org.ovirt.engine.core.dal.TransactiveAttribute;

//C# TO JAVA CONVERTER TODO TASK: Java annotations will not correspond to .NET attributes:
@TransactiveAttribute
public class AddNetworkVDSCommand<P extends NetworkVdsmVDSCommandParameters> extends VdsBrokerCommand<P> {
    public AddNetworkVDSCommand(P parameters) {
        super(parameters);
    }

    @Override
    protected void ExecuteVdsBrokerCommand() {
        String network = (getParameters().getNetworkName() == null) ? "" : getParameters()
                .getNetworkName();
        String vlanId = (getParameters().getVlanId() != null) ? getParameters().getVlanId().toString()
                : "";
        String bond = (getParameters().getBondName() == null) ? "" : getParameters().getBondName();
        String[] nics = (getParameters().getNics() == null) ? new String[] {} : getParameters().getNics();
        Map<String, String> options = new HashMap<String, String>();

        switch (getParameters().getBootProtocol()) {
        case Dhcp:
            options.put(VdsProperties.bootproto, VdsProperties.dhcp);
            break;
        case StaticIp:
            if (!StringHelper.isNullOrEmpty(getParameters().getInetAddr())) {
                options.put(VdsProperties.ipaddr, getParameters().getInetAddr());
            }
            if (!StringHelper.isNullOrEmpty(getParameters().getNetworkMask())) {
                options.put(VdsProperties.netmask, getParameters().getNetworkMask());
            }
            if (!StringHelper.isNullOrEmpty(getParameters().getGateway())) {
                options.put(VdsProperties.gateway, getParameters().getGateway());
            }
            break;
        }

        options.put(VdsProperties.stp, (getParameters().getStp()) ? "yes" : "no");

        if (!StringHelper.isNullOrEmpty(getParameters().getBondingOptions())) {
            options.put(VdsProperties.bonding_opts, getParameters().getBondingOptions());
        }

        options.put(VdsProperties.stp, (getParameters().getStp()) ? "yes" : "no");
        // options[VdsProperties.force] = "true";

        status = getBroker().addNetwork(network, vlanId, bond, nics, options);
        ProceedProxyReturnValue();
    }

    @Override
    public void Rollback() {
        try {
            // We check for "Done" status because we want to be sure that we made the net change, or in case of empty
            // response (which means the call to VDSM failed on timeout).
            // 1. If we failed VDSM revert the change so we don't need to do anything.
            // 2. If we are in transaction first command was AddNetworkCommand (end successfully), second command fails,
            // we want to revert the network change (that is why we check for Done).
            // 3. If the call to VDSM timeout out we assume it had succeeded and try to remove the network.
            // 3.1. If the timeout was a failure to call the VDSM in the first place, then probably the call to delete
            // the network will timeout also.
            if (getReturnValueFromBroker() == null ||
                    VdcBllErrors.Done == GetReturnValueFromStatus(getReturnStatus())) {
                String network = (getParameters().getNetworkName() == null) ? "" : getParameters()
                        .getNetworkName();
                String vlanId = (getParameters().getVlanId() != null) ? getParameters().getVlanId()
                        .toString() : "";
                String bond = (getParameters().getBondName() == null) ? "" : getParameters()
                        .getBondName();
                String[] nics = (getParameters().getNics() == null) ? new String[] {} : getParameters()
                        .getNics();
                status = getBroker().delNetwork(network, vlanId, bond, nics);
            }
        } catch (RuntimeException ex) {
            log.error("Exception in Rollback ExecuteVdsBrokerCommand", ex);
        }
    }

    private static LogCompat log = LogFactoryCompat.getLog(AddNetworkVDSCommand.class);
}