/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.myastronomy.resource;

import com.myastronomy.ChildUtils;
import com.myastronomy.model.UniverseDao;
import com.myastronomy.model.UniverseDao.Planet;
import com.myastronomy.model.UniverseDao.SolarSystem;
import io.milton.http.exceptions.BadRequestException;
import io.milton.http.exceptions.ConflictException;
import io.milton.http.exceptions.NotAuthorizedException;
import io.milton.resource.CollectionResource;
import io.milton.resource.MoveableResource;
import io.milton.resource.PutableResource;
import io.milton.resource.Resource;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;


public class SolarSystemResource extends AbstractResource implements CollectionResource, MoveableResource, PutableResource {

    private static org.apache.log4j.Logger log = org.apache.log4j.Logger.getLogger(SolarSystemResource.class);
    private ArrayList<Resource> children;
    private final GalaxyResource parent;
    private final SolarSystem solarSystem;

    public SolarSystemResource(GalaxyResource parent, SolarSystem solarSystem) {
        this.parent = parent;
        this.solarSystem = solarSystem;
    }

    @Override
    public Resource createNew(String newName, InputStream inputStream, Long length, String contentType) throws IOException, ConflictException, NotAuthorizedException, BadRequestException {
        Planet p = solarSystem.addPlanet(newName);
        PlanetResource r = new PlanetResource(this, p);
        r.replaceContent(inputStream, length);
        return r;
    }    
    
    @Override
    public List<? extends Resource> getChildren() {
        if( children == null ) {
            children = new ArrayList<Resource>();
            for( UniverseDao.Planet s : solarSystem.getPlanets()) {
                children.add(new PlanetResource(this, s));
            }
        }
        return children;
    }


    @Override
    public Resource child(String childName) {
        return ChildUtils.child(childName, getChildren());
    }

    @Override
    public String getName() {
        return solarSystem.getName();
    }
    
    @Override
    public void moveTo(CollectionResource rDest, String newName) throws ConflictException, NotAuthorizedException, BadRequestException {
        if( rDest != parent ) {
            throw new BadRequestException("Cant move galaxy to a different folder. Current parent=" +parent.getName() + " dest parent=" + rDest.getName());
        }
        newName = newName.replace(".properties", ""); // need to strip suffix we add in getName method
        solarSystem.setName(newName);
    }     

    public SolarSystem getSolarSystem() {
        return solarSystem;
    }

    
}