/*

 * Quoridor server and related libraries

 * Copyright (C) 2009-2010 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. Look for COPYING file in the top folder.

 * If not, see http://www.gnu.org/licenses/.

 */

package cz.xelfi.quoridor.webidor;

import com.sun.jersey.test.framework.AppDescriptor;

import cz.xelfi.quoridor.IllegalPositionException;

import java.io.StringWriter;

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

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

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

import com.sun.jersey.test.framework.JerseyTest;

import com.sun.jersey.test.framework.WebAppDescriptor;

import cz.xelfi.quoridor.Board;

import cz.xelfi.quoridor.Move;

import cz.xelfi.quoridor.webidor.resources.Games;

import cz.xelfi.quoridor.webidor.resources.Quoridor;

import java.io.File;

import java.io.FileOutputStream;

import java.io.FileReader;

import java.io.IOException;

import java.io.StringReader;

import java.util.List;

import java.util.Map;

import javax.ws.rs.core.MediaType;

import org.junit.Test;

import static org.junit.Assert.*;

/**

 *

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

 */

public class QuoridorTest extends JerseyTest {

    static {

        System.setProperty("JERSEY_HTTP_PORT", "33434");

    }

    private File dir;

    @Override

    protected AppDescriptor configure() {

        try {

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

            dir.delete();

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

            dir.mkdirs();

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

            FileOutputStream os = new FileOutputStream(passwd);

            os.write("Jarda=heslo\nJirka=pesko\n".getBytes("UTF-8"));

            os.close();

        } catch (Exception ex) {

            throw new IllegalStateException(ex);

        }

        return new WebAppDescriptor.Builder("cz.xelfi.quoridor.webidor.resources").contextPath("quoTest").build();

    }

    @Override

    public void tearDown() throws Exception {

        super.tearDown();

        deleteRec(dir);

    }

    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 public void testApplicationWadl() {

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

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

        assertTrue(serviceWadl.length() > 0);

    }

    @Test public void testCreateAGame() throws Exception {

        String logJarda = resource().path("login").

            queryParam("name", "Jarda").

            queryParam("password", "heslo").

            accept(MediaType.TEXT_PLAIN).

            put(String.class);

        String logJirka = resource().path("login").

            queryParam("name", "Jirka").

            queryParam("password", "pesko").

            accept(MediaType.TEXT_PLAIN).

            put(String.class);

        User uJirka = resource().path("users").

            queryParam("loginID", logJirka).

            accept(MediaType.TEXT_XML).

            get(User.class);

        assertEquals("Jirka", uJirka.getId());

    GameId s = resource().path("games").queryParam("loginID", logJarda).

                queryParam("white", "Jarda")

                .queryParam("black", "Jirka").post(GameId.class);

        Thread.sleep(100);

        final long now = System.currentTimeMillis();

        if (s.getModified() >= now) {

            fail("The game is supposed to be modified in past");

        }

        Thread.sleep(100);

        String msg = resource().path("games").get(String.class);

        //List<Game> games =  resource().path("games").get(new GenericType<List<Game>>() {});

        GenericType<List<GameId>> gType = new GenericType<List<GameId>>() {};

        List<GameId> games = resource().path("games").accept("application/json").get(gType);

        assertEquals("One game", 1, games.size());

        assertEquals("Same white", "Jarda", games.get(0).getWhite());

        assertEquals("Same black", "Jirka", games.get(0).getBlack());

        GameId s1 = resource().path("games/" + s.getId()).

            queryParam("loginID", logJarda).

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

        try {

            GameId s2 = resource().path("games/" + s.getId()).

                queryParam("loginID", logJarda).

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

            fail("Not Jarda's turn, previous call shall fail");

        } catch (UniformInterfaceException ex) {

            // OK

        }

        try {

            GameId s2 = resource().path("games/" + s.getId()).

                queryParam("loginID", logJirka).

                queryParam("player", "Jirka").queryParam("move", "NONSENCE").put(GameId.class);

            fail("Invalid move");

        } catch (UniformInterfaceException ex) {

            // OK

        }

        GameId s2 = resource().path("games/" + s.getId()).

            queryParam("loginID", logJirka).

            queryParam("player", "Jirka").queryParam("move", "S").put(GameId.class);

        assertNotNull("Successful move", s2);

        if (s2.getModified() <= now) {

            fail("The game is newly modified");

        }

        Game snapshot = resource().path("games/" + s.getId()).queryParam("move", "0").accept(MediaType.TEXT_XML).get(Game.class);

        String ssnapshot = resource().path("games/" + s.getId()).queryParam("move", "0").accept(MediaType.TEXT_XML).get(String.class);

        assertEquals("All moves listed:\n" + ssnapshot, 2, snapshot.getMoves().size());

        assertEquals("Current move", 0, snapshot.getCurrentMove());

        assertEquals("Position 0", 0, snapshot.getBoard().getPlayers().get(0).getRow());

        assertEquals("Position 8", 8, snapshot.getBoard().getPlayers().get(1).getRow());

        assertEquals("Moves numbered from 1", 1, snapshot.getMoves().get(0).getIndex());

        assertEquals("Moves numbered from 1, 2", 2, snapshot.getMoves().get(1).getIndex());

        File game = new File(new File(dir, "games"), s2.getId());

        assertTrue("File for game exists", game.exists());

        char[] arr = new char[4096];

        FileReader gameContent = new FileReader(game);

        int len = gameContent.read(arr);

        String content = new String(arr, 0, len);

        if (!content.contains("# white: Jarda")) {

            fail(content);

        }

        if (!content.contains("# black: Jirka")) {

            fail(content);

        }

        if (!content.contains("N S")) {

            fail(content);

        }

        Games read = new Games(new File(dir, "games"), new Quoridor());

        List<Game> readGames = read.getGames();

        assertEquals("One game read", 1, readGames.size());

        Board board = readGames.get(0).getBoard();

        assertEquals(1, board.getPlayers().get(0).getRow());

        assertEquals(7, board.getPlayers().get(1).getRow());

        assertEquals(Move.NORTH, readGames.get(0).getMoves().get(0).getMove());

        assertEquals(Move.SOUTH, readGames.get(0).getMoves().get(1).getMove());

        class GMap extends GenericType<Map<String,Object>>{}

        String text = resource().path("games").path(s.getId()).accept(MediaType.TEXT_PLAIN).get(String.class);

        text = (boardToPicture(Board.valueOf(text)));

        if (text.indexOf("-----") == -1) {

            fail("Expecting board:\n" + text);

        }

        Game readGame = resource().path("games").path(s.getId()).accept(MediaType.TEXT_XML).get(Game.class);

        String sGame = resource().path("games").path(s.getId()).accept(MediaType.TEXT_XML).get(String.class);

        assertNotNull("Game really returned", readGame);

//        assertEquals("Same game as in text representation", readGame.getBoard(), Board.valueOf(text));

        assertEquals("Same game as in text representation", readGame.getBoard(), picture2board(text));

//        assertEquals("It is same as text of our game", readGame.getBoard().toString(), text);

        assertEquals("It is same as text of our game", boardToPicture(readGame.getBoard()), text);

        assertEquals(Move.NORTH, readGame.getMoves().get(0).getMove());

        assertEquals(Move.SOUTH, readGame.getMoves().get(1).getMove());

    }

    private static String boardToPicture(Board b) {

        StringWriter w = new StringWriter();

        try {

            b.write(w);

        } catch (IOException ex) {

            return ex.toString();

        }

        return w.toString();

    }

    private static Board picture2board(String text) throws IOException, IllegalPositionException {

        StringReader sr = new StringReader(text);

        return Board.read(sr);

    }

}