From e8b76e8b73c1df2595b710694b740cf627f10a86 Mon Sep 17 00:00:00 2001
From: Aleksandr <alexandrmaslennikov85@gmail.com>
Date: Thu, 16 Feb 2023 21:26:46 +0700
Subject: [PATCH 1/2] added table in index.jsp

---
 .idea/.gitignore                    |  8 ++++++++
 .idea/encodings.xml                 |  7 +++++++
 .idea/misc.xml                      | 15 +++++++++++++++
 .idea/sonarlint/issuestore/index.pb |  0
 .idea/vcs.xml                       |  6 ++++++
 src/main/webapp/index.jsp           | 17 +++++++++++++++++
 6 files changed, 53 insertions(+)
 create mode 100644 .idea/.gitignore
 create mode 100644 .idea/encodings.xml
 create mode 100644 .idea/misc.xml
 create mode 100644 .idea/sonarlint/issuestore/index.pb
 create mode 100644 .idea/vcs.xml
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 00000000..13566b81
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 00000000..aa00ffab
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 00000000..b16964c9
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="FrameworkDetectionExcludesConfiguration">
+    <file type="web" url="file://$PROJECT_DIR$" />
+  </component>
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_18" default="true" project-jdk-name="corretto-18" project-jdk-type="JavaSDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/sonarlint/issuestore/index.pb b/.idea/sonarlint/issuestore/index.pb
new file mode 100644
index 00000000..e69de29b
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 00000000..35eb1ddf
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/src/main/webapp/index.jsp b/src/main/webapp/index.jsp
index 964cc071..d85a6993 100644
--- a/src/main/webapp/index.jsp
+++ b/src/main/webapp/index.jsp
@@ -7,6 +7,23 @@
 </head>
 <body>
 <h1>Tic-Tac-Toe</h1>
+<table>
+    <tr>
+        <td>0</td>
+        <td>1</td>
+        <td>2</td>
+    </tr>
+    <tr>
+        <td>3</td>
+        <td>4</td>
+        <td>5</td>
+    </tr>
+    <tr>
+        <td>6</td>
+        <td>7</td>
+        <td>8</td>
+    </tr>
+</table>
 
 
 <script>

From c9fe6f53d01052b2eba974238af8def31dcfa408 Mon Sep 17 00:00:00 2001
From: Aleksandr <alexandrmaslennikov85@gmail.com>
Date: Sat, 18 Feb 2023 16:29:02 +0700
Subject: [PATCH 2/2] added InitServlet, added LogicServlet, added
 RestartServlet

---
 .idea/inspectionProfiles/Project_Default.xml  | 17 +++++
 src/main/java/com/tictactoe/InitServlet.java  | 22 ++++++
 src/main/java/com/tictactoe/LogicServlet.java | 72 +++++++++++++++++++
 .../java/com/tictactoe/RestartServlet.java    | 15 ++++
 src/main/webapp/index.jsp                     | 50 ++++++++++---
 src/main/webapp/static/main.css               | 11 +++
 6 files changed, 177 insertions(+), 10 deletions(-)
 create mode 100644 .idea/inspectionProfiles/Project_Default.xml
 create mode 100644 src/main/java/com/tictactoe/InitServlet.java
 create mode 100644 src/main/java/com/tictactoe/LogicServlet.java
 create mode 100644 src/main/java/com/tictactoe/RestartServlet.java

diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 00000000..f3e06697
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,17 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="CssUnknownProperty" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="myCustomPropertiesEnabled" value="true" />
+      <option name="myIgnoreVendorSpecificProperties" value="false" />
+      <option name="myCustomPropertiesList">
+        <value>
+          <list size="2">
+            <item index="0" class="java.lang.String" itemvalue="bgcolor" />
+            <item index="1" class="java.lang.String" itemvalue="frame" />
+          </list>
+        </value>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>
\ No newline at end of file
diff --git a/src/main/java/com/tictactoe/InitServlet.java b/src/main/java/com/tictactoe/InitServlet.java
new file mode 100644
index 00000000..9ee7757b
--- /dev/null
+++ b/src/main/java/com/tictactoe/InitServlet.java
@@ -0,0 +1,22 @@
+package com.tictactoe;
+
+import javax.servlet.*;
+import javax.servlet.http.*;
+import javax.servlet.annotation.*;
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+
+@WebServlet(name = "InitServlet", value = "/start")
+public class InitServlet extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        HttpSession currentSession = request.getSession(true);
+        Field field = new Field();
+        Map<Integer, Sign> fieldData = field.getField();
+        List<Sign> data = field.getFieldData();
+        currentSession.setAttribute("field", field);
+        currentSession.setAttribute("data", data);
+        getServletContext().getRequestDispatcher("/index.jsp").forward(request, response);
+    }
+}
diff --git a/src/main/java/com/tictactoe/LogicServlet.java b/src/main/java/com/tictactoe/LogicServlet.java
new file mode 100644
index 00000000..559996f1
--- /dev/null
+++ b/src/main/java/com/tictactoe/LogicServlet.java
@@ -0,0 +1,72 @@
+package com.tictactoe;
+
+import javax.servlet.*;
+import javax.servlet.http.*;
+import javax.servlet.annotation.*;
+import java.io.IOException;
+import java.util.List;
+
+@WebServlet(name = "LogicServlet", value = "/logic")
+public class LogicServlet extends HttpServlet {
+
+    private int getSelectedIndex(HttpServletRequest request) {
+        String click = request.getParameter("click");
+        boolean isNumeric = click.chars().allMatch(Character::isDigit);
+        return isNumeric ? Integer.parseInt(click) : 0;
+    }
+
+    private Field extractField(HttpSession currentSession) {
+        Object fieldAttribute = currentSession.getAttribute("field");
+        if (Field.class != fieldAttribute.getClass()) {
+            currentSession.invalidate();
+            throw new RuntimeException("Session is broken, try one more time");
+        }
+        return (Field) fieldAttribute;
+    }
+
+    private boolean checkWin(HttpServletResponse response, HttpSession currentSession, Field field) throws IOException {
+        Sign winner = field.checkWin();
+        if (Sign.CROSS == winner || Sign.NOUGHT == winner) {
+            currentSession.setAttribute("winner", winner);
+            List<Sign> data = field.getFieldData();
+            currentSession.setAttribute("data", data);
+            response.sendRedirect("/index.jsp");
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        HttpSession currentSession = request.getSession();
+        Field field = extractField(currentSession);
+        int index = getSelectedIndex(request);
+        Sign currentSign = field.getField().get(index);
+        if (Sign.EMPTY != currentSign) {
+            RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/index.jsp");
+            dispatcher.forward(request, response);
+            return;
+        }
+        field.getField().put(index, Sign.CROSS);
+        if (checkWin(response, currentSession, field)) {
+            return;
+        }
+        int emptyFieldIndex = field.getEmptyFieldIndex();
+        if (emptyFieldIndex >= 0) {
+            field.getField().put(emptyFieldIndex, Sign.NOUGHT);
+            if (checkWin(response, currentSession, field)) {
+                return;
+            }
+        } else {
+            currentSession.setAttribute("draw", true);
+            List<Sign> data = field.getFieldData();
+            currentSession.setAttribute("data", data);
+            response.sendRedirect("/index.jsp");
+            return;
+        }
+        List<Sign> data = field.getFieldData();
+        currentSession.setAttribute("data", data);
+        currentSession.setAttribute("field", field);
+        response.sendRedirect("/index.jsp");
+    }
+}
diff --git a/src/main/java/com/tictactoe/RestartServlet.java b/src/main/java/com/tictactoe/RestartServlet.java
new file mode 100644
index 00000000..d875a2bb
--- /dev/null
+++ b/src/main/java/com/tictactoe/RestartServlet.java
@@ -0,0 +1,15 @@
+package com.tictactoe;
+
+import javax.servlet.*;
+import javax.servlet.http.*;
+import javax.servlet.annotation.*;
+import java.io.IOException;
+
+@WebServlet(name = "RestartServlet", value = "/restart")
+public class RestartServlet extends HttpServlet {
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        request.getSession().invalidate();
+        response.sendRedirect("/start");
+    }
+}
diff --git a/src/main/webapp/index.jsp b/src/main/webapp/index.jsp
index d85a6993..348d3225 100644
--- a/src/main/webapp/index.jsp
+++ b/src/main/webapp/index.jsp
@@ -1,33 +1,63 @@
+<%@ page import="com.tictactoe.Sign" %>
 <%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
 
 <!DOCTYPE html>
 <html>
 <head>
+    <script src="<c:url value="/static/jquery-3.6.0.min.js"/>"></script>
+    <link href="static/main.css" rel="stylesheet">
     <title>Tic-Tac-Toe</title>
 </head>
 <body>
 <h1>Tic-Tac-Toe</h1>
 <table>
     <tr>
-        <td>0</td>
-        <td>1</td>
-        <td>2</td>
+        <td onclick="window.location='/logic?click=0'">${data.get(0).getSign()}</td>
+        <td onclick="window.location='/logic?click=1'">${data.get(1).getSign()}</td>
+        <td onclick="window.location='/logic?click=2'">${data.get(2).getSign()}</td>
     </tr>
     <tr>
-        <td>3</td>
-        <td>4</td>
-        <td>5</td>
+        <td onclick="window.location='/logic?click=3'">${data.get(3).getSign()}</td>
+        <td onclick="window.location='/logic?click=4'">${data.get(4).getSign()}</td>
+        <td onclick="window.location='/logic?click=5'">${data.get(5).getSign()}</td>
     </tr>
     <tr>
-        <td>6</td>
-        <td>7</td>
-        <td>8</td>
+        <td onclick="window.location='/logic?click=6'">${data.get(6).getSign()}</td>
+        <td onclick="window.location='/logic?click=7'">${data.get(7).getSign()}</td>
+        <td onclick="window.location='/logic?click=8'">${data.get(8).getSign()}</td>
     </tr>
 </table>
+<hr>
+<c:set var="CROSSES" value="<%=Sign.CROSS%>"/>
+<c:set var="NOUGHTS" value="<%=Sign.NOUGHT%>"/>
 
+<c:if test="${winner == CROSSES}">
+    <h1>CROSSES WIN!</h1>
+    <button onclick="restart()">Start again</button>
+</c:if>
+<c:if test="${winner == NOUGHTS}">
+    <h1>NOUGHTS WIN!</h1>
+    <button onclick="restart()">Start again</button>
+</c:if>
+<c:if test="${draw}">
+    <h1>IT'S A DRAW</h1>
+    <br>
+    <button onclick="restart()">Start again</button>
+</c:if>
 
 <script>
-
+    function restart() {
+        $.ajax({
+            url: '/restart',
+            type: 'POST',
+            contentType: 'application/json;charset=UTF-8',
+            async: false,
+            success: function () {
+                location.reload();
+            }
+        });
+    }
 </script>
 
 </body>
diff --git a/src/main/webapp/static/main.css b/src/main/webapp/static/main.css
index e69de29b..b2debc92 100644
--- a/src/main/webapp/static/main.css
+++ b/src/main/webapp/static/main.css
@@ -0,0 +1,11 @@
+td {
+    border: 3px solid black;
+    padding: 10px;
+    border-collapse: separate;
+    margin: 10px;
+    width: 100px;
+    height: 100px;
+    font-size: 50px;
+    text-align: center;
+    empty-cells: show;
+}

0	1	2	${data.get(0).getSign()}	${data.get(1).getSign()}	${data.get(2).getSign()}
3	4	5	${data.get(3).getSign()}	${data.get(4).getSign()}	${data.get(5).getSign()}
6	7	8	${data.get(6).getSign()}	${data.get(7).getSign()}	${data.get(8).getSign()}