package org.geoserver.web.data.resource;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;

import org.apache.wicket.Component;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.PropertyModel;
import org.geoserver.catalog.CoverageInfo;
import org.geoserver.web.data.store.panel.ColorPickerPanel;
import org.geoserver.web.data.store.panel.TextParamPanel;
import org.geoserver.web.util.MapModel;

/**
 * A configuration panel for CoverageInfo properties that related to WCS publication
 * @author Andrea Aime - OpenGeo
 *
 */
@SuppressWarnings("serial")
public class CoverageResourceConfigurationPanel extends ResourceConfigurationPanel {

    public CoverageResourceConfigurationPanel(final String panelId, final IModel model){
        super(panelId, model);

        final CoverageInfo coverage = (CoverageInfo) getResourceInfo();
        
        final Map<String, Serializable> parameters = coverage.getParameters();
        List<String> keys = new ArrayList<String>(parameters.keySet());
        Collections.sort(keys);

        final IModel paramsModel = new PropertyModel(model, "parameters");
        ListView paramsList = new ListView("parameters", keys) {
            
            @Override
            protected void populateItem(ListItem item) {
                Component inputComponent = getInputComponent("parameterPanel", paramsModel, 
                    item.getDefaultModelObjectAsString());
                item.add(inputComponent);
            }
        };
        // needed for form components not to loose state
        paramsList.setReuseItems(true);
        add(paramsList);
        
        if(keys.size() == 0)
            setVisible(false);
   }
    
    private Component getInputComponent(String id, IModel paramsModel,
            String keyName) {
        if (keyName.contains("Color"))
            return new ColorPickerPanel(id, new MapModel(paramsModel, keyName),
                    new org.apache.wicket.model.ResourceModel(keyName, keyName), false);
        else
            return new TextParamPanel(id, new MapModel(paramsModel, keyName),
                    new org.apache.wicket.model.ResourceModel(keyName, keyName), false);
    }
}