/*
 * Copyright 2012, 2013 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2, or (at your
 * option) any later version.
 *
 * Thermostat is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Thermostat; see the file COPYING.  If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code.  Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code with independent modules to
 * produce an executable, regardless of the license terms of these
 * independent modules, and to copy and distribute the resulting
 * executable under terms of your choice, provided that you also
 * meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module
 * which is not derived from or based on this code.  If you modify
 * this code, you may extend this exception to your version of the
 * library, but you are not obligated to do so.  If you do not wish
 * to do so, delete this exception statement from your version.
 */

package com.redhat.thermostat.client.filter.vm.swing;

import java.io.IOException;

import com.redhat.thermostat.client.core.Filter;
import com.redhat.thermostat.client.ui.Decorator;
import com.redhat.thermostat.client.ui.DecoratorProvider;
import com.redhat.thermostat.client.ui.IconDescriptor;
import com.redhat.thermostat.storage.core.VmRef;
import com.redhat.thermostat.storage.dao.VmInfoDAO;
import com.redhat.thermostat.storage.model.VmInfo;

public class DeadVMDecoratorProvider implements DecoratorProvider<VmRef> {
    
    private class DeadVMDecorator implements Decorator {
        @Override
        public IconDescriptor getIconDescriptor() {
            try {
                return IconDescriptor.loadIcon(getClass().getClassLoader(), "deadvm.png");
            } catch (IOException e) {
                e.printStackTrace();
                return null;
            }
        }
        
        @Override
        public String getLabel(String originalLabel) {
            return "[not running] " + originalLabel;
        }
        
        @Override
        public Quadrant getQuadrant() {
            return Quadrant.BOTTOM_LEFT;
        }
    }

    private Filter<VmRef> decoratorFilter;
    private DeadVMDecorator decorator;
    
    public DeadVMDecoratorProvider(final VmInfoDAO dao) {
        decorator = new DeadVMDecorator();
        decoratorFilter = new Filter<VmRef>() {
            @Override
            public boolean matches(VmRef vm) {
                VmInfo vmInfo = dao.getVmInfo(vm);

                return !vmInfo.isAlive();
            }
        };
    }
    
    @Override
    public Decorator getDecorator() {
        return decorator;
    }
    
    @Override
    public Filter<VmRef> getFilter() {
        return decoratorFilter;
    }
}