Add a CLI entrypoint

src/main/java/fr/uca/iut/clfreville2/morpion/cli/AsciiBoardFormatter.java

@@ -0,0 +1,24 @@
+package fr.uca.iut.clfreville2.morpion.cli;
+
+import fr.uca.iut.clfreville2.morpion.game.*;
+
+import java.io.PrintStream;
+
+public class AsciiBoardFormatter {
+
+    public void write(Board board, PrintStream stream) {
+        for (int y = 0; y < board.height(); ++y) {
+            stream.print("|");
+            for (int x = 0; x < board.width(); ++x) {
+                Tile tile = board.get(new Position(x, y));
+                if (tile instanceof Placed placed) {
+                    stream.print(placed.x());
+                } else {
+                    stream.print(' ');
+                }
+                stream.print("|");
+            }
+            stream.println();
+        }
+    }
+}

src/main/java/fr/uca/iut/clfreville2/morpion/cli/CliPlay.java

@@ -0,0 +1,69 @@
+package fr.uca.iut.clfreville2.morpion.cli;
+
+import fr.uca.iut.clfreville2.morpion.game.Game;
+import fr.uca.iut.clfreville2.morpion.game.Player;
+import fr.uca.iut.clfreville2.morpion.game.Position;
+import fr.uca.iut.clfreville2.morpion.win.CantPlace;
+import fr.uca.iut.clfreville2.morpion.win.MoveResult;
+
+import java.util.InputMismatchException;
+import java.util.List;
+import java.util.Scanner;
+import java.util.stream.IntStream;
+
+public class CliPlay {
+
+    private Game game;
+    private final Scanner scanner = new Scanner(System.in);
+
+    public void play() {
+        System.out.print("Specify the number of players: ");
+        final int playersCount = readInt();
+        final List<Player> players = IntStream.rangeClosed(1, playersCount)
+                .mapToObj(i -> new Player("Player" + i))
+                .toList();
+        game = new Game(players.toArray(Player[]::new));
+
+        final AsciiBoardFormatter formatter = new AsciiBoardFormatter();
+        while (!isGameOver() && !game.board().isFull()) {
+            formatter.write(game.board(), System.out);
+            System.out.println("Player turn: " + game.currentPlayer().name());
+            round();
+        }
+    }
+
+    private boolean isGameOver() {
+        return game.players().stream().anyMatch(player -> player.score() > 0);
+    }
+
+    private void round() {
+        final Position pos = readPos();
+        final MoveResult result = game.placeCurrent(pos);
+        if (result instanceof CantPlace) {
+            System.err.println("Tile already occupied!");
+            round();
+        }
+    }
+
+    private Position readPos() {
+        System.out.print("Indicate the coords (x, y) to play, separated by a whitespace: ");
+        final int x = readInt();
+        final int y = readInt();
+        final Position pos = new Position(x, y);
+        if (!game.board().isBound(pos)) {
+            System.err.println("Out of bounds!");
+            return readPos();
+        }
+        return pos;
+    }
+
+    private int readInt() {
+        try {
+            return scanner.nextInt();
+        } catch (InputMismatchException ex) {
+            System.err.println("Nah, it's not an int!");
+            scanner.next();
+            return readInt();
+        }
+    }
+}

src/main/java/fr/uca/iut/clfreville2/morpion/cli/Main.java

@@ -0,0 +1,10 @@
+package fr.uca.iut.clfreville2.morpion.cli;
+
+public final class Main {
+
+    private Main() {}
+
+    public static void main(String[] args) {
+        new CliPlay().play();
+    }
+}

src/main/java/fr/uca/iut/clfreville2/morpion/game/Board.java

@@ -1,5 +1,7 @@
 package fr.uca.iut.clfreville2.morpion.game;
 
+import java.util.Arrays;
+
 public class Board {
 
     private final int width, height;
@@ -58,4 +60,8 @@ public class Board {
     public boolean isOutOfBound(Position relative) {
         return relative.x() < 0 || relative.y() < 0 || relative.x() >= width || relative.y() >= height;
     }
+
+    public boolean isFull() {
+        return Arrays.stream(tiles).allMatch(tile -> tile instanceof Placed);
+    }
 }

src/main/java/fr/uca/iut/clfreville2/morpion/game/Game.java

@@ -1,8 +1,13 @@
 package fr.uca.iut.clfreville2.morpion.game;
 
 import fr.uca.iut.clfreville2.morpion.win.AlignmentWin;
+import fr.uca.iut.clfreville2.morpion.win.CantPlace;
+import fr.uca.iut.clfreville2.morpion.win.MoveResult;
 import fr.uca.iut.clfreville2.morpion.win.Result;
 
+import java.util.Arrays;
+import java.util.List;
+
 public class Game {
 
     private boolean started;
@@ -50,7 +55,10 @@ public class Game {
         this.board = board;
     }
 
-    public Result placeCurrent(Position position) {
+    public MoveResult placeCurrent(Position position) {
+        if (board.isOccupied(position)) {
+            return new CantPlace();
+        }
         board.place(position, new Placed(switch (currentPlayer().name()) {
             case "Bob", "Blob" -> 'o';
             case "Cyril" -> 'p';
@@ -87,4 +95,8 @@ public class Game {
         }
         player = playerB;*/
     }
+
+    public List<Player> players() {
+        return Arrays.asList(players);
+    }
 }

src/main/java/fr/uca/iut/clfreville2/morpion/win/CantPlace.java

@@ -0,0 +1,4 @@
+package fr.uca.iut.clfreville2.morpion.win;
+
+public record CantPlace() implements MoveResult {
+}

src/main/java/fr/uca/iut/clfreville2/morpion/win/MoveResult.java

@@ -0,0 +1,4 @@
+package fr.uca.iut.clfreville2.morpion.win;
+
+public sealed interface MoveResult permits CantPlace, Result {
+}

src/main/java/fr/uca/iut/clfreville2/morpion/win/Result.java

@@ -3,7 +3,7 @@ package fr.uca.iut.clfreville2.morpion.win;
 import java.util.Arrays;
 import java.util.List;
 
-public record Result(List<Win> wins) {
+public record Result(List<Win> wins) implements MoveResult {
     public Result(Win ...wins) {
         this(Arrays.asList(wins));
     }

src/test/java/fr/uca/iut/clfreville2/morpion/game/BoardTest.java

@@ -1,14 +1,12 @@
 package fr.uca.iut.clfreville2.morpion.game;
 
-import fr.uca.iut.clfreville2.morpion.game.Board;
-import fr.uca.iut.clfreville2.morpion.game.Empty;
-import fr.uca.iut.clfreville2.morpion.game.Placed;
-import fr.uca.iut.clfreville2.morpion.game.Position;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
 
+import java.util.List;
+import java.util.Random;
 import java.util.stream.Stream;
 
 import static org.junit.jupiter.api.Assertions.*;
@@ -81,6 +79,38 @@ public class BoardTest {
         assertFalse(board.isBound(new Position(0, -1)));
     }
 
+    @Test
+    void isNotFull() {
+        final Board board = new Board(2, 2);
+        assertFalse(board.isFull());
+    }
+
+    @Test
+    void isNotVeryFull() {
+        final Board board = new Board(2, 2);
+        board.place(new Position(0, 1), new Placed('x'));
+        assertFalse(board.isFull());
+    }
+
+    @Test
+    void isMaybeVeryFull() {
+        final Random random = new Random();
+        final Board board = new Board(2, 2);
+        board.place(new Position(1, 1), new Placed('x'));
+        board.place(new Position(random.nextInt(2), random.nextInt(2)), new Placed('x'));
+        assertFalse(board.isFull());
+    }
+
+    @Test
+    void isFull() {
+        final Board board = new Board(2, 2);
+        board.place(new Position(0, 0), new Placed('x'));
+        board.place(new Position(1, 0), new Placed('p'));
+        board.place(new Position(1, 1), new Placed('o'));
+        board.place(new Position(0, 1), new Placed('o'));
+        assertTrue(board.isFull());
+    }
+
     private static Stream<Arguments> provideAcceptSize() {
         return Stream.of(
                 Arguments.of(0, 0),

src/test/java/fr/uca/iut/clfreville2/morpion/game/GameTest.java

@@ -1,11 +1,14 @@
 package fr.uca.iut.clfreville2.morpion.game;
 
+import fr.uca.iut.clfreville2.morpion.win.CantPlace;
 import fr.uca.iut.clfreville2.morpion.win.Result;
 import fr.uca.iut.clfreville2.morpion.win.Win;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 
+import java.util.List;
+
 import static org.junit.jupiter.api.Assertions.*;
 
 public class GameTest {
@@ -134,4 +137,19 @@ public class GameTest {
             assertEquals(0, bob.score());
         }
     }
+
+    @Test
+    void exposePlayers() {
+        final Player rami = new Player("Rami");
+        final Player rami2 = new Player("Rami2");
+        final Game game = new Game(rami, rami2);
+        assertEquals(List.of(rami, rami2), game.players());
+    }
+
+    @Test
+    void cantPlaceTwoTimes() {
+        final Game game = new Game(new Player("Alice"), new Player("Bob"));
+        game.placeCurrent(new Position(0, 0));
+        assertEquals(new CantPlace(), game.placeCurrent(new Position(0, 0)));
+    }
 }