Done

Yaroslav/pom.xml

@@ -0,0 +1,57 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>ua.com.javarush.gnew</groupId>
+  <artifactId>Yaroslav</artifactId>
+  <packaging>war</packaging>
+  <version>1.0-SNAPSHOT</version>
+  <name>Yaroslav Maven Webapp</name>
+  <url>http://maven.apache.org</url>
+
+
+  <dependencies>
+
+
+      <dependency>
+          <groupId>org.junit.jupiter</groupId>
+          <artifactId>junit-jupiter-api</artifactId>
+          <version>5.9.0</version>
+          <scope>test</scope>
+      </dependency>
+
+      <dependency>
+          <groupId>org.junit.jupiter</groupId>
+          <artifactId>junit-jupiter-engine</artifactId>
+          <version>5.9.0</version>
+      </dependency>
+
+
+      <dependency>
+          <groupId>javax.servlet</groupId>
+          <artifactId>javax.servlet-api</artifactId>
+          <version>4.0.1</version>
+          <scope>provided</scope>
+      </dependency>
+      <dependency>
+          <groupId>org.junit.jupiter</groupId>
+          <artifactId>junit-jupiter</artifactId>
+          <version>RELEASE</version>
+          <scope>test</scope>
+      </dependency>
+
+
+  </dependencies>
+  <build>
+    <finalName>Yaroslav</finalName>
+      <plugins>
+          <plugin>
+              <groupId>org.apache.maven.plugins</groupId>
+              <artifactId>maven-compiler-plugin</artifactId>
+              <configuration>
+                  <source>9</source>
+                  <target>9</target>
+              </configuration>
+          </plugin>
+      </plugins>
+  </build>
+</project>

Yaroslav/src/main/java/com/game/controller/GameServlet.java

@@ -0,0 +1,54 @@
+package com.game.controller;
+
+import com.game.model.GameState;
+import com.game.model.Player;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import java.io.IOException;
+
+@WebServlet("/game")
+public class GameServlet extends HttpServlet {
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        HttpSession session = request.getSession();
+
+        Player player = (Player) session.getAttribute("player");
+        if (player == null) {
+            String playerName = request.getParameter("playerName");
+            if (playerName == null || playerName.trim().isEmpty()) {
+                playerName = "Player";
+            }
+            player = new Player(playerName);
+            session.setAttribute("player", player);
+        }
+
+        GameState gameState = (GameState) session.getAttribute("gameState");
+        if (gameState == null) {
+            gameState = new GameState();
+            session.setAttribute("gameState", gameState);
+        }
+
+        if (gameState.getCurrentText().equals("You stand at a fork in the road. Where do you go? (left/right)")) {
+            player.incrementGamesPlayed();
+        }
+
+        String userChoice = request.getParameter("choice");
+        if (userChoice != null) {
+            gameState.processChoice(userChoice);
+        }
+
+        if (gameState.isGameOver()) {
+            if (gameState.getCurrentText().contains("treasure") || gameState.getCurrentText().contains("escaped")) {
+                player.incrementGamesWon();
+            }
+            request.getRequestDispatcher("result.jsp").forward(request, response);
+        } else {
+            request.getRequestDispatcher("game.jsp").forward(request, response);
+        }
+    }
+}

Yaroslav/src/main/java/com/game/model/GameState.java

@@ -0,0 +1,50 @@
+package com.game.model;
+
+public class GameState {
+    private final Story story;
+    private String currentScene;
+    private boolean gameOver;
+
+    public GameState() {
+        this.story = new Story();
+        this.currentScene = "start";
+        this.gameOver = false;
+    }
+
+    public void processChoice(String choice) {
+        Story.Scene scene = story.getScene(currentScene);
+
+        if (scene != null) {
+            System.out.println("=== PROCESSING CHOICE ===");
+            System.out.println("Current scene: " + currentScene);
+            System.out.println("Scene text: " + scene.getText());
+            System.out.println("Available choices: " + scene.getChoices().keySet());
+            System.out.println("Player input: '" + choice + "' (Length: " + choice.length() + ")");
+
+            String normalizedChoice = choice.trim().toLowerCase();
+            System.out.println("After processing: '" + normalizedChoice + "' (Length: " + normalizedChoice.length() + ")");
+
+            if (scene.getChoices().containsKey(normalizedChoice)) {
+                currentScene = scene.getChoices().get(normalizedChoice);
+                gameOver = story.isEndScene(currentScene);
+
+                System.out.println("Choice accepted! New scene: " + currentScene);
+                System.out.println("New scene text: " + story.getScene(currentScene).getText());
+                System.out.println("=== END OF PROCESSING ===");
+            } else {
+                System.out.println("Invalid choice! Try again.");
+            }
+        } else {
+            System.out.println("Error: Scene not found.");
+        }
+    }
+
+    public String getCurrentText() {
+        Story.Scene scene = story.getScene(currentScene);
+        return (scene != null) ? scene.getText() : "Error loading scene.";
+    }
+
+    public boolean isGameOver() {
+        return gameOver;
+    }
+}

Yaroslav/src/main/java/com/game/model/Player.java

@@ -0,0 +1,35 @@
+package com.game.model;
+
+import java.io.Serializable;
+
+public class Player implements Serializable {
+    private String name;
+    private int gamesPlayed;
+    private int gamesWon;
+
+    public Player(String name) {
+        this.name = name;
+        this.gamesPlayed = 0;
+        this.gamesWon = 0;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getGamesPlayed() {
+        return gamesPlayed;
+    }
+
+    public int getGamesWon() {
+        return gamesWon;
+    }
+
+    public void incrementGamesPlayed() {
+        gamesPlayed++;
+    }
+
+    public void incrementGamesWon() {
+        gamesWon++;
+    }
+}

Yaroslav/src/main/java/com/game/model/Story.java

@@ -0,0 +1,54 @@
+package com.game.model;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Story {
+    private final Map<String, Scene> scenes = new HashMap<>();
+
+    public Story() {
+        scenes.put("start", new Scene("You stand at a fork in the road. Where do you go? (left/right)",
+                Map.of("left", "left_path", "right", "right_path")));
+
+        scenes.put("left_path", new Scene("You found a chest. Open it? (yes/no)",
+                Map.of("yes", "open", "no", "ignore")));
+
+        scenes.put("right_path", new Scene("You met a wolf. Run away? (yes/no)",
+                Map.of("yes", "run", "no", "fight")));
+
+        scenes.put("open", new Scene("You found a treasure! (end)", Map.of()));
+        scenes.put("ignore", new Scene("You walked away empty-handed. (end)", Map.of()));
+        scenes.put("run", new Scene("You escaped safely. (end)", Map.of()));
+        scenes.put("fight", new Scene("The wolf was stronger... (end)", Map.of()));
+    }
+
+    public Scene getScene(String sceneKey) {
+        return scenes.getOrDefault(sceneKey, new Scene("Error: Unknown scene", Map.of()));
+    }
+
+    public boolean isEndScene(String sceneKey) {
+        return !scenes.getOrDefault(sceneKey, new Scene("", Map.of())).hasChoices();
+    }
+
+    public static class Scene {
+        private final String text;
+        private final Map<String, String> choices;
+
+        public Scene(String text, Map<String, String> choices) {
+            this.text = text;
+            this.choices = choices;
+        }
+
+        public String getText() {
+            return text;
+        }
+
+        public Map<String, String> getChoices() {
+            return choices;
+        }
+
+        public boolean hasChoices() {
+            return !choices.isEmpty();
+        }
+    }
+}

Yaroslav/src/main/webapp/game.jsp

@@ -0,0 +1,20 @@
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@ page import="com.game.model.GameState" %>
+<%
+    GameState gameState = (GameState) session.getAttribute("gameState");
+%>
+<html>
+<head>
+    <title>Text Adventure</title>
+    <meta charset="UTF-8">
+</head>
+<body>
+<h1>Text Adventure</h1>
+<p><%= gameState.getCurrentText() %></p>
+
+<form action="game" method="post">
+    <input type="text" name="choice" placeholder="Enter your choice" required>
+    <button type="submit">Choose</button>
+</form>
+</body>
+</html>

Yaroslav/src/main/webapp/index.jsp

@@ -0,0 +1,15 @@
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Start Game</title>
+    <meta charset="UTF-8">
+</head>
+<body>
+<h1>Welcome to the Text Adventure!</h1>
+<form action="game" method="post">
+    <label>Enter your name:</label>
+    <input type="text" name="playerName" required>
+    <button type="submit">Start</button>
+</form>
+</body>
+</html>

Yaroslav/src/main/webapp/result.jsp

@@ -0,0 +1,21 @@
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@ page import="com.game.model.Player" %>
+<%
+    Player player = (Player) session.getAttribute("player");
+%>
+<html>
+<head>
+    <title>Game Over</title>
+    <meta charset="UTF-8">
+</head>
+<body>
+<h1>Game Over!</h1>
+<p>Player Name: <%= player.getName() %></p>
+<p>Games Played: <%= player.getGamesPlayed() %></p>
+<p>Games Won: <%= player.getGamesWon() %></p>
+
+<form action="index.jsp">
+    <button type="submit">Play Again</button>
+</form>
+</body>
+</html>

Yaroslav/src/test/java/com/game/model/GameStateTest.java

@@ -0,0 +1,57 @@
+package com.game.model;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+class GameStateTest {
+    private GameState gameState;
+
+    @BeforeEach
+    void setUp() {
+        gameState = new GameState();
+    }
+
+    @Test
+    void testInitialState() {
+        assertEquals("You stand at a fork in the road. Where do you go? (left/right)", gameState.getCurrentText());
+        assertFalse(gameState.isGameOver(), "Game should not be over at the start");
+    }
+
+    @Test
+    void testProcessChoice_ValidPath_Left() {
+        gameState.processChoice("left");
+        assertEquals("You found a chest. Open it? (yes/no)", gameState.getCurrentText());
+        assertFalse(gameState.isGameOver());
+    }
+
+    @Test
+    void testProcessChoice_ValidPath_Right() {
+        gameState.processChoice("right");
+        assertEquals("You met a wolf. Run away? (yes/no)", gameState.getCurrentText());
+        assertFalse(gameState.isGameOver());
+    }
+
+    @Test
+    void testProcessChoice_Ending_Open() {
+        gameState.processChoice("left");
+        gameState.processChoice("yes"); // Opens the chest
+        assertEquals("You found a treasure! (end)", gameState.getCurrentText());
+        assertTrue(gameState.isGameOver(), "Game should be over after finding the treasure");
+    }
+
+    @Test
+    void testProcessChoice_Ending_Run() {
+        gameState.processChoice("right");
+        gameState.processChoice("yes"); // Runs away from wolf
+        assertEquals("You escaped safely. (end)", gameState.getCurrentText());
+        assertTrue(gameState.isGameOver(), "Game should be over after escaping");
+    }
+
+    @Test
+    void testProcessChoice_InvalidInput() {
+        gameState.processChoice("unknown");
+        assertEquals("You stand at a fork in the road. Where do you go? (left/right)", gameState.getCurrentText());
+        assertFalse(gameState.isGameOver(), "Game should not be over after an invalid input");
+    }
+}