From 62eb682d0c0a1046df46106bfb28e92c6c461706 Mon Sep 17 00:00:00 2001
From: prathoseraaj <prathoseraaj0312@gmail.com>
Date: Sat, 30 Aug 2025 09:30:41 +0530
Subject: [PATCH] feat: memory game

---
 memory-game/app/globals.css           |   4 +-
 memory-game/app/page.js               | 107 ++-----------------
 memory-game/components/MemoryGame.jsx | 147 ++++++++++++++++++++++++++
 3 files changed, 157 insertions(+), 101 deletions(-)
 create mode 100644 memory-game/components/MemoryGame.jsx

diff --git a/memory-game/app/globals.css b/memory-game/app/globals.css
index a2dc41ec..14aac09a 100644
--- a/memory-game/app/globals.css
+++ b/memory-game/app/globals.css
@@ -12,7 +12,7 @@
   --font-mono: var(--font-geist-mono);
 }
 
-@media (prefers-color-scheme: dark) {
+@media (prefers-color-scheme: light) {
   :root {
     --background: #0a0a0a;
     --foreground: #ededed;
@@ -23,4 +23,4 @@ body {
   background: var(--background);
   color: var(--foreground);
   font-family: Arial, Helvetica, sans-serif;
-}
+}
\ No newline at end of file
diff --git a/memory-game/app/page.js b/memory-game/app/page.js
index 8d04cec6..7f7733a9 100644
--- a/memory-game/app/page.js
+++ b/memory-game/app/page.js
@@ -1,103 +1,12 @@
-import Image from "next/image";
+import MemoryGame from '@/components/MemoryGame'
+import React from 'react'
 
-export default function Home() {
+const page = () => {
   return (
-    <div className="font-sans grid grid-rows-[20px_1fr_20px] items-center justify-items-center min-h-screen p-8 pb-20 gap-16 sm:p-20">
-      <main className="flex flex-col gap-[32px] row-start-2 items-center sm:items-start">
-        <Image
-          className="dark:invert"
-          src="/next.svg"
-          alt="Next.js logo"
-          width={180}
-          height={38}
-          priority
-        />
-        <ol className="font-mono list-inside list-decimal text-sm/6 text-center sm:text-left">
-          <li className="mb-2 tracking-[-.01em]">
-            Get started by editing{" "}
-            <code className="bg-black/[.05] dark:bg-white/[.06] font-mono font-semibold px-1 py-0.5 rounded">
-              app/page.js
-            </code>
-            .
-          </li>
-          <li className="tracking-[-.01em]">
-            Save and see your changes instantly.
-          </li>
-        </ol>
-
-        <div className="flex gap-4 items-center flex-col sm:flex-row">
-          <a
-            className="rounded-full border border-solid border-transparent transition-colors flex items-center justify-center bg-foreground text-background gap-2 hover:bg-[#383838] dark:hover:bg-[#ccc] font-medium text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5 sm:w-auto"
-            href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            <Image
-              className="dark:invert"
-              src="/vercel.svg"
-              alt="Vercel logomark"
-              width={20}
-              height={20}
-            />
-            Deploy now
-          </a>
-          <a
-            className="rounded-full border border-solid border-black/[.08] dark:border-white/[.145] transition-colors flex items-center justify-center hover:bg-[#f2f2f2] dark:hover:bg-[#1a1a1a] hover:border-transparent font-medium text-sm sm:text-base h-10 sm:h-12 px-4 sm:px-5 w-full sm:w-auto md:w-[158px]"
-            href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Read our docs
-          </a>
-        </div>
-      </main>
-      <footer className="row-start-3 flex gap-[24px] flex-wrap items-center justify-center">
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/file.svg"
-            alt="File icon"
-            width={16}
-            height={16}
-          />
-          Learn
-        </a>
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/window.svg"
-            alt="Window icon"
-            width={16}
-            height={16}
-          />
-          Examples
-        </a>
-        <a
-          className="flex items-center gap-2 hover:underline hover:underline-offset-4"
-          href="https://nextjs.org?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <Image
-            aria-hidden
-            src="/globe.svg"
-            alt="Globe icon"
-            width={16}
-            height={16}
-          />
-          Go to nextjs.org →
-        </a>
-      </footer>
+    <div>
+      <MemoryGame/>
     </div>
-  );
+  )
 }
+
+export default page
\ No newline at end of file
diff --git a/memory-game/components/MemoryGame.jsx b/memory-game/components/MemoryGame.jsx
new file mode 100644
index 00000000..1c791ac0
--- /dev/null
+++ b/memory-game/components/MemoryGame.jsx
@@ -0,0 +1,147 @@
+"use client";
+
+import React, { useEffect, useState } from "react";
+
+const MemoryGame = () => {
+  const [gridSize, setGridSize] = useState(2);
+
+  const [array, setArray] = useState([]);
+  const [flipped, setFlipped] = useState([]);
+  const [slectedPairs, setSelectedPairs] = useState([]);
+  const [disabled, setDisabled] = useState(false);
+
+  const [won, setWon] = useState(false);
+
+  const handleGridSize = (e) => {
+    const size = parseInt(e.target.value);
+    //console.log(size)
+    if (2 <= size && size <= 10) {
+      setGridSize(size);
+    }
+  };
+
+  const initalizeGame = () => {
+    const totalCards = gridSize * gridSize;
+    const pairCount = Math.floor(totalCards / 2);
+
+    const numbers = [...Array(pairCount).keys()].map((n) => n + 1);
+    const suffledCards = [...numbers, ...numbers]
+      .sort(() => Math.random() - 0.5)
+      .map((number, index) => ({
+        id: index,
+        number,
+      }));
+
+    setArray(suffledCards);
+    setFlipped([]);
+    setSelectedPairs([]);
+    setDisabled(false);
+    setWon(false);
+  };
+
+  const handleMatch = (secondId) => {
+    const [firstId] = flipped;
+
+    if (array[firstId].number == array[secondId].number) {
+      setSelectedPairs([...slectedPairs, firstId, secondId]);
+      setFlipped([]);
+      setDisabled(false);
+    } else {
+      setTimeout(() => {
+        setDisabled(false);
+        setFlipped([]);
+      }, 1000);
+    }
+  };
+
+  useEffect(() => {
+    initalizeGame();
+  }, [gridSize]);
+
+  const handleClick = (id) => {
+    if (disabled || won) return;
+
+    if (flipped.length === 0) {
+      setFlipped([id]);
+      return;
+    }
+
+    if (flipped.length === 1) {
+      setDisabled(true); //so we cant choose another one
+      if (id !== flipped[0]) {
+        setFlipped([...flipped, id]);
+        //check match logic
+        handleMatch(id);
+      } else {
+        setFlipped([]);
+        setDisabled(false);
+      }
+    }
+  };
+
+  const isFlipped = (id) => flipped.includes(id) || slectedPairs.includes(id);
+  const isselectedpairs = (id) => slectedPairs.includes(id);
+
+  useEffect(() => {
+    if (slectedPairs.length === array.length && array.length > 0) {
+      setWon(true);
+    }
+  }, [slectedPairs, array]);
+
+  return (
+    <div className="h-[100vh] flex flex-col justify-center items-center p-4 bg-gray-100 ">
+      {/* Heading */}
+      <h1 className="text-3xl font-bold mb-6 ">Memory Game</h1>
+      {/* Grid Size */}
+      <div className="mb-4">
+        <label htmlFor="gridSize">Grid Size:(max 10)</label>
+        <input
+          type="number"
+          className="w-[50px] ml-3 rounded border-2 px-1.5 py-1"
+          min="2"
+          max="10"
+          value={gridSize}
+          onChange={handleGridSize}
+        />
+      </div>
+      {/* Cards */}
+      <div
+        className="grid gap-2 mb-4"
+        style={{
+          gridTemplateColumns: `repeat(${gridSize}, minmax(0,1fr))`,
+          width: `min(100%,${gridSize * 5.5}rem)`,
+        }}
+      >
+        {array.map((array) => (
+          <div
+            key={array.id}
+            onClick={() => handleClick(array.id)}
+            className={`aspect-square flex items-center justify-center text-xl transition-all duration-300 font-bold rounded-lg  cursor-pointer ${
+              isFlipped(array.id)
+                ? isselectedpairs(array.id)
+                  ? "bg-green-500 text-white"
+                  : "bg-blue-500 text-white"
+                : "bg-gray-300 text-gray-400 "
+            }`}
+          >
+            {isFlipped(array.id) ? array.number : "?"}
+          </div>
+        ))}
+      </div>
+      {/* Result */}
+      <div className="text-2xl text-green-500 font-bold">
+        {won ? "You Won!" : ""}
+      </div>
+
+      {/* Rest Button */}
+      <button
+        className="px-5 py-2 bg-green-500 rounded text-white mt-5"
+        onClick={initalizeGame}
+      >
+        Reset
+      </button>
+    </div>
+  );
+};
+
+export default MemoryGame;
\ No newline at end of file