/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

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 *

 * Contributor(s):

 *

 * Portions Copyrighted 2009 Jaroslav Tulach

 */

package cz.xelfi.quoridor.freemarkerdor;

import com.sun.jersey.api.client.Client;

import com.sun.jersey.api.client.ClientResponse;

import com.sun.jersey.api.client.WebResource;

import com.sun.jersey.core.header.MediaTypes;

import com.sun.jersey.core.util.MultivaluedMapImpl;

import java.awt.Image;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.net.URI;

import java.util.Locale;

import java.util.concurrent.Callable;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import javax.ws.rs.core.Cookie;

import javax.ws.rs.core.MediaType;

import javax.ws.rs.core.MultivaluedMap;

import org.junit.AfterClass;

import org.junit.Before;

import org.junit.BeforeClass;

import org.junit.Test;

import static org.junit.Assert.*;

/**

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

public class UITest extends Object {

    private static File dir;

    private static Callable<Void> stop;

    private WebResource webResource;

    public UITest() throws Exception {

    }

    @BeforeClass

    public static void localeEnglish() throws Exception {

        Locale.setDefault(Locale.ENGLISH);

        dir = File.createTempFile("quoridor", ".dir");

        dir.delete();

        dir.mkdirs();

        System.setProperty("quoridor.dir", dir.getPath());

        stop = UI.startServers(9991);

        File passwd = new File(dir, "passwd");

        FileOutputStream os = new FileOutputStream(passwd);

        os.write("test=pes\nJarda=darda\n".getBytes("UTF-8"));

        os.close();

    }

    @Before

    public void setUp() throws Exception {

        Client client = new Client();

        webResource = client.resource(new URI("http://localhost:9991/"));

    }

    @AfterClass

    public static void cleanUpAll() throws Exception {

        deleteRec(dir);

        if (stop != null) {

            stop.call();

        }

    }

    static void deleteRec(File dir) throws IOException {

        if (dir == null) {

            return;

        }

        File[] arr = dir.listFiles();

        if (arr != null) {

            for (File f : arr) {

                deleteRec(f);

            }

        }

        dir.delete();

    }

    /**

     * Test if a WADL document is available at the relative path

     * "application.wadl".

     */

    @Test public void testApplicationWadl() {

        String serviceWadl = webResource.path("application.wadl").

                accept(MediaTypes.WADL).get(String.class);

        assertTrue(serviceWadl.length() > 0);

    }

    @Test public void testGetIndexPage() throws Exception {

        String logJarda = webResource.path("api/login").

            queryParam("name", "Jarda").

            queryParam("password", "darda").

            accept(MediaType.TEXT_PLAIN).

            put(String.class);

        assertNotNull("Logged in OK", logJarda);

        String res = webResource.accept("text/html").get(String.class);

        if (res.indexOf("Quoridor") == -1) {

            fail("Wrong index.html:\n" + res);

        }

        if (res.indexOf("Login") == -1) {

            fail("Wrong index.html:\n" + res);

        }

        if (res.indexOf("action=\"/login\"") == -1) {

            fail("Wrong index.html:\n" + res);

        }

        if (res.toLowerCase().indexOf("error") != -1) {

            fail("There was an error:\n" + res);

        }

        res = webResource.cookie(Cookie.valueOf("login=" + logJarda)).accept("text/html").get(String.class);

        if (res.indexOf("action=\"/games/create\"") == -1) {

            fail(res);

        }

    }

    @Test public void testLogin() throws Exception {

        MultivaluedMap formData = new MultivaluedMapImpl();

        formData.add("name", "test");

        formData.add("password", "pes");

        ClientResponse response = webResource.path("login").

            accept("text/html").type("application/x-www-form-urlencoded").

            post(ClientResponse.class, formData);

        final String res = response.getEntity(String.class);

        assertEquals("OK", ClientResponse.Status.OK, response.getClientResponseStatus());

        if (res.indexOf("You are logged in as test") == -1) {

            fail("res: " + res);

        }

    }

    @Test public void testCreateGameWrongUsers() throws Exception {

        String logTest = webResource.path("api/login").

            queryParam("name", "test").

            queryParam("password", "pes").

            accept(MediaType.TEXT_PLAIN).

            put(String.class);

        ClientResponse res = webResource.path("games/create").

            queryParam("white", "unknown1").

            queryParam("black", "unknown2").

            cookie(Cookie.valueOf("login=" + logTest)).

            accept("text/html").

            get(ClientResponse.class);

        final String txt = res.getEntity(String.class);

        assertEquals("Rejected, unknown user\n" + txt, ClientResponse.Status.NOT_FOUND, res.getClientResponseStatus());

        if (txt.indexOf("You (test) must be") == -1) {

            fail(txt);

        }

    }

    @Test public void testCreateGameOK() throws Exception {

        String logTest = webResource.path("api/login").

            queryParam("name", "test").

            queryParam("password", "pes").

            accept(MediaType.TEXT_PLAIN).

            put(String.class);

        String logJarda = webResource.path("api/login").

            queryParam("name", "Jarda").

            queryParam("password", "darda").

            accept(MediaType.TEXT_PLAIN).

            put(String.class);

        ClientResponse res = webResource.path("games/create").

            queryParam("white", "Jarda").

            queryParam("black", "test").

            cookie(Cookie.valueOf("login=" + logTest)).

            accept("text/html").

            get(ClientResponse.class);

        final String txt = res.getEntity(String.class);

        assertEquals("OK\n" + txt, ClientResponse.Status.OK, res.getClientResponseStatus());

        String[] games = new File(dir, "games").list();

        assertEquals("One game exists", 1, games.length);

        if (txt.indexOf(games[0]) == -1) {

            fail(games[0] + " expected inside of:\n" + txt);

        }

        ClientResponse page = webResource.path("games/" + games[0]).

            cookie(Cookie.valueOf("login=" + logJarda)).

            get(ClientResponse.class);

        String ptxt = page.getEntity(String.class);

        assertEquals("OK:\n" + ptxt, ClientResponse.Status.OK, page.getClientResponseStatus());

        Pattern p = Pattern.compile(".*<img[^>]*src=\"([^\"]*)\"");

        Matcher m = p.matcher(ptxt);

        assertTrue("image found\n" + ptxt, m.find());

        InputStream img1 = webResource.path(m.group(1)).get(InputStream.class);

        assertNotNull("image found", img1);

        ClientResponse move = webResource.path("api/games/" + games[0]).

            queryParam("loginID", logJarda).

            queryParam("player", "Jarda").queryParam("move", "N").put(ClientResponse.class);

        assertEquals("Move OK:\n" + move.getEntity(String.class), ClientResponse.Status.OK, move.getClientResponseStatus());

        InputStream img2 = webResource.path(m.group(1)).get(InputStream.class);

        assertNotNull("image found", img2);

        ClientResponse page2 = webResource.path("games/" + games[0]).

            cookie(Cookie.valueOf("login=" + logJarda)).

            get(ClientResponse.class);

        String ptxt2 = page2.getEntity(String.class);

        assertEquals("OK:\n" + ptxt2, ClientResponse.Status.OK, page2.getClientResponseStatus());

        Matcher m2 = p.matcher(ptxt2);

        assertTrue("image found\n" + ptxt2, m2.find());

        InputStream img3 = webResource.path(m2.group(1)).get(InputStream.class);

        assertNotNull("image found", img3);

        int diff = 0;

        int cnt = 0;

        for (;;) {

            cnt++;

            int b1 = img1.read();

            int b2 = img2.read();

            int b3 = img3.read();

            assertEquals(b1, b2);

            if (b3 != b1) {

                diff++;

            }

            if (b1 == -1 || b3 == -1) break;

        }

        if (diff == 0) {

//            fail("There shall be difference in the streams. Read bytes " + cnt);

        }

    }

}