/*-
 * ============LICENSE_START=======================================================
 * org.openecomp.aai
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed 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.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.aai.parsers.uri;

import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;

import javax.ws.rs.core.MultivaluedMap;

import org.openecomp.aai.exceptions.AAIException;
import org.openecomp.aai.introspection.Introspector;
import org.openecomp.aai.introspection.Loader;
import com.google.common.base.Joiner;

/**
 * Creates a Unique database key from a URI
 * 
 * The key is of the form node-type/key(s).
 */
public class URIToDBKey implements Parsable {

	
	private List<String> dbKeys = new ArrayList<>();

	/**
	 * Instantiates a new URI to DB key.
	 *
	 * @param loader the loader
	 * @param uri the uri
	 * @throws IllegalArgumentException the illegal argument exception
	 * @throws AAIException the AAI exception
	 * @throws UnsupportedEncodingException the unsupported encoding exception
	 */
	public URIToDBKey(Loader loader, URI uri) throws IllegalArgumentException, AAIException, UnsupportedEncodingException {
		
		URIParser parser = new URIParser(loader, uri);
		parser.parse(this);
	}
	/*
	public URIToDBKey(Version version, String uri) throws IllegalArgumentException {
		
		super(version, uri);
		try {
			context = ModelInjestor.getInstance().getContextForVersion(version);
			if (context == null) {
				throw new IllegalArgumentException("could not find a context for version: " + version);
			}
			this.parse();
		} catch (Exception e) {
			throw new IllegalArgumentException("uri not valid against our model: " + uri);
		}
	}*/
	
	/**
	 * @{inheritDoc}
	 */
	@Override
	public void processObject (Introspector obj, MultivaluedMap<String, String> uriKeys) {
		
		dbKeys.add(obj.getDbName());

		for (String key : uriKeys.keySet()) {
			dbKeys.add(uriKeys.getFirst(key).toString());
		}
	}
	
	/**
	 * @{inheritDoc}
	 */
	@Override
	public void processContainer (Introspector obj, MultivaluedMap<String, String> uriKeys, boolean isFinalContainer) {
		
	}
	
	/**
	 * @{inheritDoc}
	 */
	@Override
	public void processNamespace(Introspector obj) {
	
	}
	
	/**
	 * @{inheritDoc}
	 */
	@Override
	public String getCloudRegionTransform() {
		return "add";
	}
	
	/**
	 * Gets the result.
	 *
	 * @return the result
	 */
	public Object getResult() {
		return Joiner.on("/").join(this.dbKeys);
	}

	/**
	 * @{inheritDoc}
	 */
	@Override
	public boolean useOriginalLoader() {
		return false;
	}
}