package com.onaro.sanscreen.client.view.task.template.addhost.generator.host;

import com.onaro.sanscreen.task.interfaces.data.inventory.Port;
import com.onaro.sanscreen.task.interfaces.data.inventory.Device;
import com.onaro.sanscreen.task.interfaces.data.template.*;

/**
 * Describes the connection of a port of the adapter.
 */
public class ConnectedPort {
    private AddHostTaskTemplateInstance instance;
    private int adapterIndex;
    private int portIndex;

    public ConnectedPort(AddHostTaskTemplateInstance instance, int adapterIndex, int portIndex) {
        this.instance = instance;
        this.adapterIndex = adapterIndex;
        this.portIndex = portIndex;
    }

    public String getWwn() {
        return instance.getConnectedPortWwn(adapterIndex, portIndex);
    }

    public String getName() {
        return instance.getConnectedPortName(adapterIndex, portIndex);
    }

    public String getFabricWwn() {
        return instance.getConnectedPortFabric(adapterIndex, portIndex);
    }

    public void setPort(Port port, Device fabric) {
        String name = null;
        String wwn = null;
        String switchWwn = null;
        String switchName = null;
        String fabricWwn = null;

        if (port != null) {
            wwn = port.getWwn();
            switchWwn = port.getRootIdentifier();
            switchName = port.getRootAlias();
            name = port.getName() != null ? port.getName() : wwn;
        }

        if (fabric != null) {
            fabricWwn = fabric.getWwn();

            if (fabric.isVsanEnabled()) {
                instance.setPortVsanWwn(adapterIndex, portIndex, fabricWwn, fabric.getVsanId(), fabric.getAlias());
            }
        }

        /**
         * Reset the fabric/vsan only if the selected port is diffrenet from the previous one
         */
        else {
            String oldWwn = instance.getConnectedPortWwn(adapterIndex, portIndex);
            if (oldWwn != null && !oldWwn.equals(wwn) || wwn != null && !wwn.equals(oldWwn)) {
                instance.setPortVsanWwn(adapterIndex, portIndex, fabricWwn, Integer.MIN_VALUE, null);
                instance.removePortVsanWwn(adapterIndex, portIndex);
            }
        }

        instance.setConnectedPort(adapterIndex,portIndex,wwn,name,fabricWwn, switchWwn, switchName);
    }

    public void setVsan(Device vsan) {
        if (vsan != null) {
            assert vsan.isVsanEnabled() : "should be a vsan["+vsan+"]"; //$NON-NLS-1$ //$NON-NLS-2$
            instance.setPortVsanWwn(adapterIndex, portIndex, vsan.getWwn(), vsan.getVsanId(), vsan.getAlias());
        } else {
            instance.setPortVsanWwn(adapterIndex, portIndex, null, Integer.MIN_VALUE, null);
        }
    }

    public boolean isVsanEnabled(){
        return instance.isVsanEnabled(adapterIndex, portIndex);
    }

    public String getVsanName() {
        return instance.getPortVsanName(adapterIndex, portIndex);
    }

    public String getVsanWwn() {
        return instance.getPortVsanWwn(adapterIndex, portIndex);
    }

    public String getSwitchWwn() {
        return instance.getConnectedPortSwitchWwn(adapterIndex, portIndex);
    }

    public String getSwitchName() {
        return instance.getConnectedPortSwitchName(adapterIndex, portIndex);
    }

    public int getVsanId() {
        return instance.getPortVsanId(adapterIndex, portIndex);
    }

    public String getFabricDescription() {
        if (isVsanEnabled()) {
            if (getVsanName()!=null && getVsanWwn()!=null)
                return new StringBuilder().append(getVsanName()).append('(').append(getVsanWwn()).append(')').toString();
            else
                return null;
        } else {
            return getFabricWwn();
        }
    }
}