package com.onaro.sanscreen.client.view.actions.authorizedpath;

import java.awt.event.ActionEvent;
import java.util.Date;
import java.util.ResourceBundle;

import com.onaro.sanscreen.client.MainDirector;
import com.onaro.sanscreen.client.SANscreenClientPlugin;
import com.onaro.sanscreen.client.navigation.GoToAction;
import com.onaro.sanscreen.client.view.ActionFactory;
import com.onaro.sanscreen.client.view.ViewDirector;
import com.onaro.sanscreen.client.view.actions.Messages;
import com.onaro.sanscreen.client.view.selection.ObjectSelectionModel;
import com.onaro.sanscreen.client.view.selection.SelectedObject;
import com.onaro.sanscreen.client.view.tabular.NavigationInfo;
import com.onaro.sanscreen.server.interfaces.ServerInterfacesUtils;
import com.onaro.util.IllegalInitException;
import com.onaro.util.enumeration.EnumPresentation;
import com.onaro.util.jfc.ConfigurableAction;

/**
 * An {@link javax.swing.Action} that when performed, pops up a wizard for authorizing
 * the paths selected by the user.
 */
public class GotoPlanningAction extends ConfigurableAction {
    
    public static final String ID = "GotoPlanning"; //$NON-NLS-1$
    
    private static final long serialVersionUID = 1L;
    private ViewDirector targetView;

    /**
     * Initialize the action, setting its name, icon, tooltip and mnemonic.
     * @param name the name of this action
     * @param resources locale dependent resources, used for initializing this action's
     *        properties
     * @throws com.onaro.util.InvalidConfigException if failed to get any resources
     */
    public GotoPlanningAction(String name, ResourceBundle resources) throws IllegalInitException {
        super(name, resources);
    }

    /**
     * Initialize the action, setting its name, icon, tooltip and mnemonic.
     * @param conf allow the action to get its name which is used for fetching resources
     * @param resources locale dependent resources, used for initializing this action's
     *        properties
     * @throws com.onaro.util.InvalidConfigException if failed to get any resources
     */
    public GotoPlanningAction(ActionFactory.ActionInitInfo actionInitInfo, ResourceBundle resources, ViewDirector targetView) throws IllegalInitException {
        super(actionInitInfo,resources);
        this.targetView = targetView;
    }


    /**
     * goto the planning view and shows only the tasks that are related to the violation
     */
    public void actionPerformed(ActionEvent e) {
        assert targetView.getObjectSelectionModel().size() == 1 : "assuming single selection"; //$NON-NLS-1$

        SelectedObject selectedContext = targetView.getObjectSelectionModel().first();

        //the violation id is passed to the planning view and used in the query to flag those tasks that are related to the violation
        long violationId = selectedContext.getViolationId();

        //the violation description for the planning sub-title
        String violationDescription = getViolationDescription(selectedContext);
        
        Date violationContext = ServerInterfacesUtils.getLocalDate(ServerInterfacesUtils.getLoadContext(selectedContext.getContext()));
        
        //show the planning view, with the related tasks flagged and filtered
           NavigationInfo navigationInfo = new NavigationInfo("violation", violationDescription, String.valueOf(violationId)); //$NON-NLS-1$
           navigationInfo.setParameter("violationTime", String.valueOf(violationContext.getTime())); //$NON-NLS-1$
        MainDirector.getFrameDirector().loadView("views.tasks", "views.tasks.list", null, GoToAction.APPLICATION, navigationInfo); //$NON-NLS-1$ //$NON-NLS-2$
    }

    /**
     * construct the description in the sub-title of the planning view
     * this text explains that the tasks related to the violation are shown
     */
    private String getViolationDescription(SelectedObject selectedContext) {
        String violationTypeName = selectedContext.getStringProperty("ViolationType"); //$NON-NLS-1$
        EnumPresentation.Attributes violationType = SANscreenClientPlugin.getDefault().getEnumPresentation().getAttributes("ViolationTypeEnum", violationTypeName); //$NON-NLS-1$
        String hostName = selectedContext.getStringProperty("SourceName"); //$NON-NLS-1$
        String storageName = selectedContext.getStringProperty("TargetName"); //$NON-NLS-1$
        String volumeName = selectedContext.getVolumeName();

        StringBuilder buffer = new StringBuilder("<html><body style=\"color: red;\">"); //$NON-NLS-1$
        
        if(volumeName != null && volumeName.length() > 0) {
            buffer.append(Messages.INSTANCE.getPlanningViolationBetweenHostStorageWithVolumeText(
                        violationType.name,
                        hostName,
                        storageName,
                        volumeName));
        }
        else {
            buffer.append(Messages.INSTANCE.getPlanningViolationBetweenHostStorageText(
                        violationType.name,
                        hostName,
                        storageName));
        }
        buffer.append("</body></html>"); //$NON-NLS-1$

        return buffer.toString();
    }

    /**
     * enable the goto action if only one violation is selected and there is at least one task that is related to that violation
     * @param selection the selection of the violations
     */
    public void setEnableBySelection(ObjectSelectionModel selection) {
        //only single selection is supported
        boolean oneSelected = selection.size() == 1;
        if (oneSelected) {
            SelectedObject selectedObj = selection.first();

            //check if the violation has related tasks
            boolean planned = selectedObj.getBoolean("Planned"); //$NON-NLS-1$
            setEnabled(planned);
        }else{
            setEnabled(false);
        }
    }
}