/*******************************************************************************
 * ============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.fail;

import java.io.IOException;

import javax.servlet.http.HttpServletResponse;

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.Before;
import org.junit.BeforeClass;
import org.junit.Test;

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

public class testSubscribePost extends testBase {
	private int feednum = 0;

	@BeforeClass
	public static void setUpBeforeClass() throws Exception {
	}

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

	@Before
	public void setUp() throws Exception {
		super.setUp();
		getDBstate();
		// use the first feed to subscribe to
		JSONArray ja = db_state.getJSONArray("feeds");
		for (int i = 0; i < ja.length(); i++) {
			JSONObject feed0 = ja.getJSONObject(i);
			if (feed0 != null && !feed0.getBoolean("deleted")) {
				feednum = feed0.getInt("feedid");
				return;
			}
		}
	}

	@Test
	public void testNormal() {
		JSONObject jo = buildSubRequest();
		testCommon(jo, HttpServletResponse.SC_CREATED);
	}
	@Test
	public void testMissingUrl() {
		JSONObject jo = buildSubRequest();
		jo.getJSONObject("delivery").remove("url");
		testCommon(jo, HttpServletResponse.SC_BAD_REQUEST);
	}
	@Test
	public void testTooLongUrl() {
		JSONObject jo = buildSubRequest();
		jo.getJSONObject("delivery").put("url", "https://"+s_257);
		testCommon(jo, HttpServletResponse.SC_BAD_REQUEST);
	}
	@Test
	public void testMissingUser() {
		JSONObject jo = buildSubRequest();
		jo.getJSONObject("delivery").remove("user");
		testCommon(jo, HttpServletResponse.SC_BAD_REQUEST);
	}
	@Test
	public void testTooLongUser() {
		JSONObject jo = buildSubRequest();
		jo.getJSONObject("delivery").put("user", s_33);
		testCommon(jo, HttpServletResponse.SC_BAD_REQUEST);
	}
	@Test
	public void testMissingPassword() {
		JSONObject jo = buildSubRequest();
		jo.getJSONObject("delivery").remove("password");
		testCommon(jo, HttpServletResponse.SC_BAD_REQUEST);
	}
	@Test
	public void testTooLongPassword() {
		JSONObject jo = buildSubRequest();
		jo.getJSONObject("delivery").put("password", s_33);
		testCommon(jo, HttpServletResponse.SC_BAD_REQUEST);
	}
	@Test
	public void testNonBooleanMetadata() {
		JSONObject jo = buildSubRequest();
		jo.put("metadataOnly", s_33);
		testCommon(jo, HttpServletResponse.SC_BAD_REQUEST);
	}
	private void testCommon(JSONObject jo, int expect) {
		String url   = props.getProperty("test.host") + "/subscribe/" + feednum;
		HttpPost httpPost = new HttpPost(url);
		try {
			httpPost.addHeader(SubscribeServlet.BEHALF_HEADER, "JUnit");
			String t = jo.toString();
			HttpEntity body = new ByteArrayEntity(t.getBytes(), ContentType.create(SubscribeServlet.SUB_CONTENT_TYPE));
			httpPost.setEntity(body);

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

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

			// do something useful with the response body and ensure it is fully consumed
			if (ctype.equals(FeedServlet.SUBFULL_CONTENT_TYPE)) {
				JSONObject jo2 = null;
				try {
					jo2 = new JSONObject(new JSONTokener(entity.getContent()));
				} catch (Exception e) {
					fail("Bad JSON: "+e.getMessage());
				}
				try {
					jo2.getString("subscriber");
					JSONObject jo3 = jo2.getJSONObject("links");
					jo3.getString("self");
					jo3.getString("feed");
					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 buildSubRequest() {
		JSONObject jo = new JSONObject();

			JSONObject jo2 = new JSONObject();
			jo2.put("url", "https://www.att.com/");
			jo2.put("user", "dmr");
			jo2.put("password", "passw0rd");
			jo2.put("use100", true);

		jo.put("delivery", jo2);
		jo.put("metadataOnly", Boolean.FALSE);
		return jo;
	}
}