학습 내용 선택 화면 추가

2026-05-29 22:48:23 +09:00
parent 4d6fb49cba
commit 335898b721
8 changed files with 495 additions and 82 deletions
@@ -0,0 +1,142 @@
+"use client";
+
+import Link from "next/link";
+import { useEffect, useRef } from "react";
+
+import { useGameStore } from "@/store/gameStore";
+import type { ProblemCount } from "@/store/gameStore";
+
+const problemCounts: ProblemCount[] = [5, 10];
+
+const bracketKinds = [
+  {
+    label: "()",
+    name: "소괄호",
+    selected: true,
+    disabled: false,
+  },
+  {
+    label: "{}",
+    name: "중괄호",
+    selected: false,
+    disabled: true,
+  },
+  {
+    label: "[]",
+    name: "대괄호",
+    selected: false,
+    disabled: true,
+  },
+];
+
+export default function NumberParenthesesClient() {
+  const startLinkRef = useRef<HTMLAnchorElement>(null);
+  const selectedProblemCount = useGameStore(
+    (state) => state.selectedProblemCount,
+  );
+  const setProblemCount = useGameStore((state) => state.setProblemCount);
+  const initSession = useGameStore((state) => state.initSession);
+
+  useEffect(() => {
+    startLinkRef.current?.focus();
+  }, []);
+
+  return (
+    <main className="flex min-h-screen items-center bg-slate-50 px-6 py-12 text-slate-950">
+      <section className="mx-auto flex w-full max-w-3xl flex-col gap-8">
+        <div className="space-y-4">
+          <p className="text-sm font-semibold text-emerald-700">
+            숫자 괄호 학습 준비
+          </p>
+          <h1 className="text-4xl font-bold tracking-normal sm:text-5xl">
+            숫자 괄호 풀기
+          </h1>
+          <p className="max-w-2xl text-lg leading-8 text-slate-700">
+            정수로 이루어진 괄호식을 풀며 음수 분배와 부호 변화를
+            연습합니다.
+          </p>
+        </div>
+
+        <div className="flex flex-col gap-6">
+          <fieldset className="space-y-3">
+            <legend className="text-sm font-semibold text-slate-700">
+              문제 수
+            </legend>
+            <div
+              className="inline-flex gap-1 rounded-md border border-slate-300 bg-white p-1 shadow-sm"
+              role="group"
+              aria-label="문제 수 선택"
+            >
+              {problemCounts.map((count) => {
+                const selected = selectedProblemCount === count;
+
+                return (
+                  <button
+                    key={count}
+                    type="button"
+                    onClick={() => setProblemCount(count)}
+                    aria-pressed={selected}
+                    className={`h-10 min-w-16 rounded px-4 text-base font-semibold transition focus:outline-none focus:ring-2 focus:ring-emerald-500 focus:ring-offset-2 ${
+                      selected
+                        ? "bg-emerald-700 text-white"
+                        : "text-slate-700 hover:bg-slate-100"
+                    }`}
+                  >
+                    {count}
+                  </button>
+                );
+              })}
+            </div>
+          </fieldset>
+
+          <fieldset className="space-y-3">
+            <legend className="text-sm font-semibold text-slate-700">
+              괄호 종류
+            </legend>
+            <div
+              className="inline-flex gap-1 rounded-md border border-slate-300 bg-white p-1 shadow-sm"
+              role="group"
+              aria-label="괄호 종류 선택"
+            >
+              {bracketKinds.map((bracketKind) => (
+                <button
+                  key={bracketKind.label}
+                  type="button"
+                  disabled={bracketKind.disabled}
+                  aria-pressed={bracketKind.selected}
+                  aria-label={`${bracketKind.name} ${bracketKind.disabled ? "준비 중" : "선택됨"}`}
+                  className={`h-10 min-w-16 rounded px-4 text-base font-semibold transition focus:outline-none focus:ring-2 focus:ring-emerald-500 focus:ring-offset-2 ${
+                    bracketKind.selected
+                      ? "bg-emerald-700 text-white"
+                      : "text-slate-700 hover:bg-slate-100"
+                  } ${
+                    bracketKind.disabled
+                      ? "cursor-not-allowed bg-slate-100 text-slate-400 hover:bg-slate-100"
+                      : ""
+                  }`}
+                >
+                  {bracketKind.label}
+                </button>
+              ))}
+            </div>
+          </fieldset>
+
+          <div>
+            <Link
+              ref={startLinkRef}
+              href={`/play?count=${selectedProblemCount}`}
+              onClick={() => initSession(selectedProblemCount)}
+              className="inline-flex h-12 items-center justify-center rounded-md bg-emerald-700 px-6 text-base font-semibold text-white transition hover:bg-emerald-800 focus:outline-none focus:ring-2 focus:ring-emerald-500 focus:ring-offset-2"
+            >
+              연습 시작
+            </Link>
+          </div>
+        </div>
+
+        <div className="border-l-4 border-emerald-700 pl-4 text-sm leading-6 text-slate-600">
+          <p>현재는 소괄호 숫자 문제만 선택할 수 있습니다.</p>
+        </div>
+      </section>
+    </main>
+  );
+}
@@ -0,0 +1,5 @@
+import NumberParenthesesClient from "./NumberParenthesesClient";
+
+export default function NumberParenthesesPage() {
+  return <NumberParenthesesClient />;
+}
@@ -121,7 +121,7 @@ export default function PlayClient({ problemCount }: PlayClientProps) {
      const rect = katexElement.getBoundingClientRect();
      const scrollElement =
        document.scrollingElement ?? document.documentElement;
-      const elementDocumentTop = window.pageYOffset + rect.top;
+      const elementDocumentTop = window.scrollY + rect.top;
      const maxScrollTop = Math.max(
        0,
        scrollElement.scrollHeight - window.innerHeight,
@@ -131,7 +131,7 @@ export default function PlayClient({ problemCount }: PlayClientProps) {
        Math.max(0, elementDocumentTop),
      );

-      if (Math.abs(window.pageYOffset - scrollTop) < 4) return;
+      if (Math.abs(window.scrollY - scrollTop) < 4) return;

      scrollElement.scrollTop = scrollTop;
      document.body.scrollTop = scrollTop;