/* (c) 2014 - 2016 Open Source Geospatial Foundation - all rights reserved
 * (c) 2001 - 2013 OpenPlans
 * This code is licensed under the GPL 2.0 license, available at the root
 * application directory.
 */
package org.geoserver.importer.web;

import java.util.Arrays;
import java.util.List;

import org.apache.wicket.Component;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.model.IModel;
import org.geoserver.web.wicket.GeoServerDataProvider;
import org.geoserver.web.wicket.GeoServerDataProvider.AbstractProperty;
import org.geoserver.web.wicket.GeoServerTablePanel;
import org.geoserver.web.wicket.GeoServerDataProvider.Property;
import org.geoserver.importer.ImportContext;
import org.geoserver.importer.job.Task;

public class JobQueueTable extends GeoServerTablePanel<Task<ImportContext>> {

    static final Property<Task<ImportContext>> IMPORT = 
            new AbstractProperty<Task<ImportContext>>("import") {
        @Override
        public Object getPropertyValue(Task<ImportContext> item) {
            //have to check for null since the job might be out of the queue
            return item != null ? item.toString() : "null";
        }
    };

    static final Property<Task<ImportContext>> STATUS = 
            new AbstractProperty<Task<ImportContext>>("status") {
        @Override
        public Object getPropertyValue(Task<ImportContext> item) {
            if (item == null) {
                return "Finished";
            }

            return item.isCancelled() ? "Cancelled" : 
                item.isDone() ? "Finished" : 
                item.isStarted() ? "Running" : "Pending";
        }
    };
    
    public JobQueueTable(String id) {
        super(id, new GeoServerDataProvider<Task<ImportContext>>() {

            @Override
            protected List<Property<Task<ImportContext>>> getProperties() {
                return Arrays.asList(IMPORT, STATUS);
            }

            @Override
            protected List<Task<ImportContext>> getItems() {
                return ImporterWebUtils.importer().getTasks();
            }

            @Override
            protected IModel<Task<ImportContext>> newModel(Task<ImportContext> object) {
                return new JobModel(object);
            }
        });

        setOutputMarkupId(true);
        setFilterable(false);
        getTopPager().setVisible(false);
    }

    @Override
    protected Component getComponentForProperty(String id, IModel<Task<ImportContext>> itemModel, Property<Task<ImportContext>> property) {
        return new Label(id, property.getModel(itemModel));
    }

    static class JobModel implements IModel<Task<ImportContext>> {

        Long jobid;

        JobModel(Task<ImportContext> job) {
            jobid = job.getId();
        }

        @Override
        public void detach() {
        }

        @Override
        public Task<ImportContext> getObject() {
            return ImporterWebUtils.importer().getTask(jobid);
        }

        @Override
        public void setObject(Task<ImportContext> object) {
        }
    
    }
}