/*******************************************************************************
 * ============LICENSE_START==================================================
 * * org.onap.dmaap
 * * ===========================================================================
 * * Copyright © 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====================================================
 * *
 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
 * *
 ******************************************************************************/

package datarouter.provisioning;

import static org.junit.Assert.*;

import java.io.IOException;

import javax.servlet.http.HttpServletResponse;

import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.ContentType;
import org.apache.http.util.EntityUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONTokener;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;

import com.att.research.datarouter.provisioning.FeedServlet;

public class testDRFeedsPost extends testBase {
	@BeforeClass
	public static void setUpBeforeClass() throws Exception {
	}

	@AfterClass
	public static void tearDownAfterClass() throws Exception {
	}

	@Test
	public void testNormal() {
		JSONObject jo = buildFeedRequest();
		testCommon(jo, HttpServletResponse.SC_CREATED);
	}
	@Test
	public void testNormalNoCTVersion() {
		JSONObject jo = buildFeedRequest();
		testCommon(jo, HttpServletResponse.SC_CREATED, "application/vnd.att-dr.feed", "JUnit");
	}
	@Test
	public void testBadContentType() {
		JSONObject jo = buildFeedRequest();
		testCommon(jo, HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, "bad/bad", "Junit");
	}
	@Test
	public void testNoBehalfHeader() {
		JSONObject jo = buildFeedRequest();
		testCommon(jo, HttpServletResponse.SC_BAD_REQUEST, FeedServlet.FEED_CONTENT_TYPE, null);
	}
	@Test
	public void testMissingName() {
		JSONObject jo = buildFeedRequest();
		jo.remove("name");
		testCommon(jo, 400);
	}
	@Test
	public void testTooLongName() {
		JSONObject jo = buildFeedRequest();
		jo.put("name", "123456789012345678901234567890");
		testCommon(jo, 400);
	}
	@Test
	public void testMissingVersion() {
		JSONObject jo = buildFeedRequest();
		jo.remove("version");
		testCommon(jo, 400);
	}
	@Test
	public void testTooLongVersion() {
		JSONObject jo = buildFeedRequest();
		jo.put("version", "123456789012345678901234567890");
		testCommon(jo, 400);
	}
	@Test
	public void testTooLongDescription() {
		// normal request
		JSONObject jo = buildFeedRequest();
		jo.put("description", s_257);
		testCommon(jo, 400);
	}
	@Test
	public void testMissingAuthorization() {
		JSONObject jo = buildFeedRequest();
		jo.remove("authorization");
		testCommon(jo, 400);
	}
	@Test
	public void testMissingClassification() {
		JSONObject jo = buildFeedRequest();
		JSONObject j2 = jo.getJSONObject("authorization");
		j2.remove("classification");
		testCommon(jo, 400);
	}
	@Test
	public void testTooLongClassification() {
		JSONObject jo = buildFeedRequest();
		JSONObject j2 = jo.getJSONObject("authorization");
		j2.put("classification", s_33);
		testCommon(jo, 400);
	}
	@Test
	public void testNoEndpointIds() {
		JSONObject jo = buildFeedRequest();
		JSONObject j2 = jo.getJSONObject("authorization");
		j2.put("endpoint_ids", new JSONArray());
		testCommon(jo, 400);
	}
	@Test
	public void testBadIPAddress1() {
		JSONObject jo = buildFeedRequest();
		JSONObject j2 = jo.getJSONObject("authorization");
		JSONArray ja = j2.getJSONArray("endpoint_addrs");
		ja.put("ZZZ^&#$%@#&^%$@#&^");
		testCommon(jo, 400);
	}
	@Test
	public void testBadIPAddress2() {
		JSONObject jo = buildFeedRequest();
		JSONObject j2 = jo.getJSONObject("authorization");
		JSONArray ja = j2.getJSONArray("endpoint_addrs");
		ja.put("135.207.136.678");	// bad IPv4 addr
		testCommon(jo, 400);
	}
	@Test
	public void testBadIPAddress3() {
		JSONObject jo = buildFeedRequest();
		JSONObject j2 = jo.getJSONObject("authorization");
		JSONArray ja = j2.getJSONArray("endpoint_addrs");
		ja.put("2001:1890:1110:d000:1a29::17567"); // bad IPv6 addr
		testCommon(jo, 400);
	}
	@Test
	public void testBadNetMask() {
		JSONObject jo = buildFeedRequest();
		JSONObject j2 = jo.getJSONObject("authorization");
		JSONArray ja = j2.getJSONArray("endpoint_addrs");
		ja.put("10.10.10.10/64");
		testCommon(jo, 400);
	}
	@Test
	public void testGoodIPAddress1() {
		JSONObject jo = buildFeedRequest();
		JSONObject j2 = jo.getJSONObject("authorization");
		JSONArray ja = j2.getJSONArray("endpoint_addrs");
		ja.put("135.207.136.175"); // good IPv4 addr
		testCommon(jo, 201);
	}
	@Test
	public void testGoodIPAddress2() {
		JSONObject jo = buildFeedRequest();
		JSONObject j2 = jo.getJSONObject("authorization");
		JSONArray ja = j2.getJSONArray("endpoint_addrs");
		ja.put("2001:1890:1110:d000:1a29::175"); // good IPv6 addr
		testCommon(jo, 201);
	}
	@Test
	public void testGoodNetMask() {
		JSONObject jo = buildFeedRequest();
		JSONObject j2 = jo.getJSONObject("authorization");
		JSONArray ja = j2.getJSONArray("endpoint_addrs");
		ja.put("2001:1890:1110:d000:1a29::175/120");
		testCommon(jo, 201);
	}
	private void testCommon(JSONObject jo, int expect) {
		testCommon(jo, expect, FeedServlet.FEED_CONTENT_TYPE, "JUnit");
	}
	private void testCommon(JSONObject jo, int expect, String ctype, String bhdr) {
		String url   = props.getProperty("test.host") + "/";
		HttpPost httpPost = new HttpPost(url);
		try {
			if (bhdr != null)
				httpPost.addHeader(FeedServlet.BEHALF_HEADER, bhdr);
			String t = jo.toString();
			HttpEntity body = new ByteArrayEntity(t.getBytes(), ContentType.create(ctype));
			httpPost.setEntity(body);

			HttpResponse response = httpclient.execute(httpPost);
		    ckResponse(response, expect);

			HttpEntity entity = response.getEntity();
			ctype = entity.getContentType().getValue().trim();
			int code = response.getStatusLine().getStatusCode();
			if (code == HttpServletResponse.SC_CREATED && !ctype.equals(FeedServlet.FEEDFULL_CONTENT_TYPE))
				fail("Got wrong content type: "+ctype);

			if (code == HttpServletResponse.SC_CREATED) {
				Header[] loc = response.getHeaders("Location");
				if (loc == null)
					fail("Missing Location header.");
			}

			// do something useful with the response body and ensure it is fully consumed
			if (ctype.equals(FeedServlet.FEEDFULL_CONTENT_TYPE)) {
				// ck Location header!
				JSONObject jo2 = null;
				try {
					jo2 = new JSONObject(new JSONTokener(entity.getContent()));
	System.err.println(jo2.toString());
				} catch (Exception e) {
					fail("Bad JSON: "+e.getMessage());
				}
				try {
					jo2.getString("publisher");
					JSONObject jo3 = jo2.getJSONObject("links");
					jo3.getString("self");
					jo3.getString("publish");
					jo3.getString("subscribe");
					jo3.getString("log");
				} catch (JSONException e) {
					fail("required field missing from result: "+e.getMessage());
				}
			} else {
				EntityUtils.consume(entity);
			}
		} catch (IOException e) {
			fail(e.getMessage());
		} finally {
			httpPost.releaseConnection();
		}
	}
	private JSONObject buildFeedRequest() {
		JSONObject jo = new JSONObject();
		jo.put("name", "JunitFeed");
		jo.put("version", ""+System.currentTimeMillis());	// make version unique
		jo.put("description", "Sample feed used by JUnit to test");

			JSONObject jo2 = new JSONObject();
			jo2.put("classification", "unrestricted");

			JSONArray ja = new JSONArray();
				JSONObject jo3 = new JSONObject();
				jo3.put("id", "id001");
				jo3.put("password", "re1kwelj");
				JSONObject jo4 = new JSONObject();
				jo4.put("id", "id002");
				jo4.put("password", "o9eqlmbd");
				ja.put(jo3);
				ja.put(jo4);
			jo2.put("endpoint_ids", ja);

			ja = new JSONArray();
				ja.put("10.0.0.1");
				ja.put("192.168.0.1");
				ja.put("135.207.136.128/25");
			jo2.put("endpoint_addrs", ja);

		jo.put("authorization", jo2);
		return jo;
	}
}
/*
curl -v -X POST -H 'X-ATT-DR-ON-BEHALF-OF: tester' -H 'Content-type: application/vnd.att-dr.feed' --user publisher:tomcat \
	--data "$data" http://127.0.0.1:8080/prov/feed/
*/