/*
 * Copyright 2010 Ning, Inc.
 *
 * Ning 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.ning.http.client.async;

import com.ning.http.client.AsyncCompletionHandlerBase;
import com.ning.http.client.AsyncHttpClient;
import com.ning.http.client.HttpResponseStatus;
import com.ning.http.client.Response;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.handler.AbstractHandler;
import org.testng.annotations.Test;

import javax.servlet.ServletException;
import javax.servlet.ServletInputStream;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNotNull;

/**
 * Tests POST request with Query String.
 *
 * @author Hubert Iwaniuk
 */
public abstract class PostWithQSTest extends AbstractBasicTest {

    /**
     * POST with QS server part.
     */
    private class PostWithQSHandler extends AbstractHandler {
        public void handle(String s,
                           Request r,
                           HttpServletRequest request,
                           HttpServletResponse response) throws IOException, ServletException {
            if ("POST".equalsIgnoreCase(request.getMethod())) {
                String qs = request.getQueryString();
                if (qs != null && !qs.equals("") && request.getContentLength() == 3) {
                    ServletInputStream is = request.getInputStream();
                    response.setStatus(HttpServletResponse.SC_OK);
                    byte buf[] = new byte[is.available()];
                    is.readLine(buf, 0, is.available());
                    ServletOutputStream os = response.getOutputStream();
                    os.println(new String(buf));
                    os.flush();
                    os.close();
                } else {
                    response.sendError(HttpServletResponse.SC_NOT_ACCEPTABLE);
                }
            } else { // this handler is to handle POST request
                response.sendError(HttpServletResponse.SC_FORBIDDEN);
            }
        }
    }

    @Test(groups = {"standalone", "default_provider"})
    public void postWithQS() throws IOException, ExecutionException, TimeoutException, InterruptedException {
        AsyncHttpClient client = getAsyncHttpClient(null);
        Future<Response> f = client.preparePost("http://127.0.0.1:" + port1 + "/?a=b").setBody("abc".getBytes()).execute();
        Response resp = f.get(3, TimeUnit.SECONDS);
        assertNotNull(resp);
        assertEquals(resp.getStatusCode(), HttpServletResponse.SC_OK);
        client.close();
    }

    @Test(groups = {"standalone", "default_provider"})
    public void postWithNulParamQS() throws IOException, ExecutionException, TimeoutException, InterruptedException {
        AsyncHttpClient client = getAsyncHttpClient(null);
        Future<Response> f = client.preparePost("http://127.0.0.1:" + port1 + "/?a=").setBody("abc".getBytes()).execute(new AsyncCompletionHandlerBase() {

            /* @Override */
            public STATE onStatusReceived(final HttpResponseStatus status) throws Exception {
                if (!status.getUrl().toURL().toString().equals("http://127.0.0.1:" + port1 + "/?a")) {
                    throw new IOException(status.getUrl().toURL().toString());
                }
                return super.onStatusReceived(status);
            }

        });
        Response resp = f.get(3, TimeUnit.SECONDS);
        assertNotNull(resp);
        assertEquals(resp.getStatusCode(), HttpServletResponse.SC_OK);
        client.close();
    }

    @Test(groups = {"standalone", "default_provider"})
    public void postWithNulParamsQS() throws IOException, ExecutionException, TimeoutException, InterruptedException {
        AsyncHttpClient client = getAsyncHttpClient(null);
        Future<Response> f = client.preparePost("http://127.0.0.1:" + port1 + "/?a=b&c&d=e").setBody("abc".getBytes()).execute(new AsyncCompletionHandlerBase() {

            /* @Override */
            public STATE onStatusReceived(final HttpResponseStatus status) throws Exception {
                if (!status.getUrl().toURL().toString().equals("http://127.0.0.1:" + port1 + "/?a=b&c&d=e")) {
                    throw new IOException("failed to parse the query properly");
                }
                return super.onStatusReceived(status);
            }

        });
        Response resp = f.get(3, TimeUnit.SECONDS);
        assertNotNull(resp);
        assertEquals(resp.getStatusCode(), HttpServletResponse.SC_OK);
        client.close();
    }

    @Override
    public AbstractHandler configureHandler() throws Exception {
        return new PostWithQSHandler();
    }
}