jtulach@36: /*
jtulach@36:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
jtulach@36:  *
jtulach@36:  * The contents of this file are subject to the terms of either the GNU
jtulach@36:  * General Public License Version 2 only ("GPL") or the Common
jtulach@36:  * Development and Distribution License("CDDL") (collectively, the
jtulach@36:  * "License"). You may not use this file except in compliance with the
jtulach@36:  * License. You can obtain a copy of the License at
jtulach@36:  * http://www.netbeans.org/cddl-gplv2.html
jtulach@36:  * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
jtulach@36:  * specific language governing permissions and limitations under the
jtulach@36:  * License.  When distributing the software, include this License Header
jtulach@36:  * Notice in each file and include the License file at
jtulach@36:  * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
jtulach@36:  * particular file as subject to the "Classpath" exception as provided
jtulach@36:  * by Sun in the GPL Version 2 section of the License file that
jtulach@36:  * accompanied this code. If applicable, add the following below the
jtulach@36:  * License Header, with the fields enclosed by brackets [] replaced by
jtulach@36:  * your own identifying information:
jtulach@36:  * "Portions Copyrighted [year] [name of copyright owner]"
jtulach@36:  *
jtulach@36:  * Contributor(s):
jtulach@36:  *
jtulach@36:  * Portions Copyrighted 2009 Jaroslav Tulach
jtulach@36:  */
jtulach@36: 
jtulach@36: package cz.xelfi.quoridor.webidor.resources;
jtulach@36: 
jtulach@36: import cz.xelfi.quoridor.IllegalPositionException;
jtulach@36: import cz.xelfi.quoridor.webidor.*;
jtulach@36: import cz.xelfi.quoridor.Move;
jtulach@91: import cz.xelfi.quoridor.visidor.Visidor;
jtulach@91: import java.awt.Image;
jtulach@37: import java.io.BufferedReader;
jtulach@37: import java.io.BufferedWriter;
jtulach@37: import java.io.File;
jtulach@37: import java.io.FileReader;
jtulach@37: import java.io.FileWriter;
jtulach@36: import java.io.IOException;
jtulach@37: import java.io.PrintWriter;
jtulach@36: import java.util.ArrayList;
jaroslav@48: import java.util.Date;
jtulach@36: import java.util.List;
jtulach@37: import java.util.logging.Level;
jtulach@37: import java.util.logging.Logger;
jtulach@36: import javax.ws.rs.GET;
jtulach@36: import javax.ws.rs.POST;
jtulach@36: import javax.ws.rs.PUT;
jtulach@36: import javax.ws.rs.Path;
jtulach@36: import javax.ws.rs.PathParam;
jtulach@36: import javax.ws.rs.Produces;
jtulach@36: import javax.ws.rs.QueryParam;
jtulach@82: import javax.ws.rs.WebApplicationException;
jtulach@36: import javax.ws.rs.core.MediaType;
jtulach@82: import javax.ws.rs.core.Response.Status;
jtulach@36: 
jtulach@36: /**
jtulach@36:  *
jtulach@36:  * @author Jaroslav Tulach <jtulach@netbeans.org>
jtulach@36:  */
jtulach@36: public final class Games {
jtulach@82:     private final Quoridor quoridor;
jaroslav@48:     private final List<Game> games = new ArrayList<Game>();
jtulach@37:     private final File dir;
jtulach@37:     private static final Logger LOG = Logger.getLogger(Games.class.getName());
jtulach@37: 
jtulach@82:     public Games(File dir, Quoridor quoridor) {
jtulach@37:         this.dir = dir;
jtulach@82:         this.quoridor = quoridor;
jtulach@37:         File[] arr = dir.listFiles();
jtulach@37:         if (arr != null) {
jtulach@37:             for (File f : arr) {
jtulach@37:                 try {
jtulach@37:                     Game g = readGame(f);
jtulach@37:                     games.add(g);
jtulach@37:                 } catch (IOException ex) {
jtulach@37:                     LOG.log(Level.WARNING, "Wrong game in " + f, ex);
jtulach@37:                 }
jtulach@37:             }
jtulach@37:         }
jtulach@37:     }
jtulach@36: 
jtulach@36:     @POST
jaroslav@48:     @Produces({ MediaType.APPLICATION_JSON, MediaType.TEXT_XML })
jaroslav@48:     public GameId createGame(
jtulach@82:         @QueryParam("loginID") String id,
jtulach@38:         @QueryParam("white") String white,
jtulach@38:         @QueryParam("black") String black
jaroslav@48:     ) throws IOException {
jtulach@82:         String logUser = quoridor.isLoggedIn(id);
jtulach@82:         if (logUser == null) {
jtulach@82:             throw new WebApplicationException(Status.UNAUTHORIZED);
jtulach@82:         }
jtulach@38:         if (white == null) {
jtulach@82:             throw new WebApplicationException(Status.PRECONDITION_FAILED);
jtulach@38:         }
jtulach@38:         if (black == null) {
jtulach@82:             throw new WebApplicationException(Status.PRECONDITION_FAILED);
jtulach@38:         }
jtulach@82:         if (!logUser.equals(white) && !logUser.equals(black)) {
jtulach@82:             throw new WebApplicationException(Status.PRECONDITION_FAILED);
jtulach@82:         }
jtulach@82: 
jtulach@38:         Game g = new Game(white, black);
jaroslav@48:         storeGame(g);
jtulach@36:         games.add(g);
jaroslav@48:         return g.getId();
jtulach@36:     }
jtulach@36: 
jtulach@38:     @GET
jtulach@38:     @Path("{id}")
jtulach@38:     @Produces(MediaType.TEXT_PLAIN)
jtulach@38:     public String getBoard(@PathParam("id") String id) {
jtulach@38:         Game g = findGame(id);
jtulach@38:         if (g == null) {
jtulach@38:             throw new IllegalArgumentException("Unknown game " + id);
jtulach@38:         }
jtulach@38:         return g.getBoard().toString();
jtulach@38:     }
jtulach@38: 
jaroslav@46:     @GET
jaroslav@46:     @Path("{id}")
jtulach@91:     @Produces("image/png")
jtulach@91:     public Image getBoardImage(@PathParam("id") String id) {
jtulach@91:         Game g = findGame(id);
jtulach@91:         if (g == null) {
jtulach@91:             throw new IllegalArgumentException("Unknown game " + id);
jtulach@91:         }
jtulach@91:         return Visidor.draw(g.getBoard());
jtulach@91:     }
jtulach@91: 
jtulach@91:     @GET
jtulach@91:     @Path("{id}")
jaroslav@48:     @Produces({ MediaType.APPLICATION_JSON, MediaType.TEXT_XML })
jaroslav@48:     public Game getBoardInfo(@PathParam("id") String id) {
jaroslav@46:         Game g = findGame(id);
jaroslav@46:         if (g == null) {
jaroslav@46:             throw new IllegalArgumentException("Unknown game " + id);
jaroslav@46:         }
jaroslav@48:         return g;
jaroslav@46:     }
jaroslav@46: 
jtulach@36:     @PUT
jtulach@36:     @Path("{id}")
jaroslav@48:     @Produces({ MediaType.APPLICATION_JSON, MediaType.TEXT_XML })
jaroslav@48:     public GameId applyMove(
jtulach@82:         @QueryParam("loginID") String loginId,
jtulach@38:         @PathParam("id") String id,
jtulach@38:         @QueryParam("player") String player,
jtulach@38:         @QueryParam("move") String move
jtulach@38:     ) throws IllegalPositionException {
jtulach@82:         String logUser = quoridor.isLoggedIn(loginId);
jtulach@82:         if (logUser == null) {
jtulach@82:             throw new WebApplicationException(Status.UNAUTHORIZED);
jtulach@82:         }
jtulach@82:         if (!logUser.equals(player)) {
jtulach@82:             throw new WebApplicationException(Status.UNAUTHORIZED);
jtulach@82:         }
jtulach@82: 
jtulach@36:         Game g = findGame(id);
jtulach@36:         if (g == null) {
jtulach@36:             throw new IllegalArgumentException("Unknown game " + id);
jtulach@36:         }
jtulach@36:         Move m = Move.valueOf(move);
jtulach@79:         g.apply(player, m, new Date());
jtulach@37:         try {
jtulach@37:             storeGame(g);
jtulach@37:         } catch (IOException ex) {
jtulach@37:             LOG.log(Level.WARNING, "Cannot store game " + id, ex);
jtulach@37:         }
jaroslav@48:         return g.getId();
jtulach@36:     }
jtulach@36: 
jtulach@36:     @GET
jaroslav@48:     @Produces({MediaType.APPLICATION_JSON, MediaType.TEXT_XML })
jaroslav@48:     public List<GameId> listGames() {
jaroslav@48:         List<GameId> arr = new ArrayList<GameId>(games.size());
jaroslav@48:         for (Game g : games) {
jaroslav@48:             arr.add(g.getId());
jaroslav@48:         }
jaroslav@48:         return arr;
jaroslav@48:     }
jaroslav@48: 
jtulach@36:     public List<Game> getGames() {
jtulach@36:         return games;
jtulach@36:     }
jtulach@36: 
jtulach@36:     private Game findGame(String id) {
jtulach@36:         for (Game g : games) {
jaroslav@48:             if (g.getId().getId().equals(id)) {
jtulach@36:                 return g;
jtulach@36:             }
jtulach@36:         }
jtulach@36:         return null;
jtulach@36:     }
jtulach@36: 
jtulach@37:     private Game readGame(File f) throws IOException {
jtulach@37:         BufferedReader r = new BufferedReader(new FileReader(f));
jtulach@37:         String white = null;
jtulach@37:         String black = null;
jtulach@37:         Game g = null;
jtulach@37:         for (;;) {
jtulach@37:             String line = r.readLine();
jtulach@37:             if (line == null) {
jaroslav@48:                 line = "finish";
jtulach@37:             }
jtulach@39:             line = line.trim();
jtulach@39:             if (line.length() == 0) {
jtulach@39:                 continue;
jtulach@39:             }
jtulach@37:             if (line.startsWith("# white: ")) {
jtulach@37:                 white = line.substring(9);
jtulach@37:                 continue;
jtulach@37:             }
jtulach@37:             if (line.startsWith("# black: ")) {
jtulach@37:                 black = line.substring(9);
jtulach@37:                 continue;
jtulach@37:             }
jtulach@37:             if (line.startsWith("#")) {
jtulach@37:                 continue;
jtulach@37:             }
jtulach@37:             if (white == null || black == null) {
jtulach@37:                 throw new IOException("Missing white and black identification in " + f);
jtulach@37:             }
jtulach@37:             if (g == null) {
jtulach@78:                 GameId id = new GameId(f.getName(), white, black, new Date(f.lastModified()), new Date(f.lastModified()), GameStatus.whiteMove);
jaroslav@48:                 g = new Game(id);
jaroslav@48:             }
jaroslav@48:             if (line.equals("finish")) {
jaroslav@48:                 break;
jtulach@37:             }
jtulach@37:             String[] moves = line.split(" ");
jtulach@37:             if (moves.length == 0) {
jtulach@37:                 continue;
jtulach@37:             }
jtulach@37:             if (moves.length > 2) {
jtulach@37:                 throw new IOException("Too much moves on line: " + line);
jtulach@37:             }
jtulach@37:             try {
jtulach@79:                 g.apply(white, Move.valueOf(moves[0]), null);
jtulach@37:                 if (moves.length == 2) {
jtulach@79:                     g.apply(black, Move.valueOf(moves[1]), null);
jtulach@37:                 }
jtulach@37:             } catch (IllegalPositionException ex) {
jtulach@37:                 throw new IOException("Wrong move: " + ex.getMessage());
jtulach@37:             }
jtulach@37:         }
jtulach@37:         if (g == null) {
jtulach@37:             throw new IOException("No moves in " + f);
jtulach@37:         }
jtulach@37:         return g;
jtulach@36:     }
jtulach@36: 
jtulach@37:     private void storeGame(Game g) throws IOException {
jtulach@37:         dir.mkdirs();
jaroslav@48:         File f = new File(dir, g.getId().getId());
jtulach@37:         PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter(f)));
jaroslav@48:         pw.println("# white: " + g.getId().getWhite());
jaroslav@48:         pw.println("# black: " + g.getId().getBlack());
jtulach@77:         pw.println("# status: " + g.getId().getStatus());
jtulach@37:         int cnt = 0;
jtulach@37:         for (Move m : g.getMoves()) {
jtulach@37:             pw.print(m.toString());
jtulach@37:             if (++cnt % 2 == 0) {
jtulach@37:                 pw.println();
jtulach@37:             } else {
jtulach@37:                 pw.print(' ');
jtulach@37:             }
jtulach@37:         }
jtulach@37:         pw.println();
jtulach@37:         pw.println();
jtulach@37:         pw.flush();
jtulach@37:         pw.close();
jtulach@37:     }
jtulach@36: }