미지수 괄호 문제 풀이 추가

2026-05-29 23:47:10 +09:00
parent 335898b721
commit f3d051cdd1
16 changed files with 1789 additions and 105 deletions
@@ -0,0 +1,185 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import { flushSync } from "react-dom";
+
+import StageIndicator from "@/components/game/StageIndicator";
+import VariableChoiceAnswerForm from "@/components/game/VariableChoiceAnswerForm";
+import VariableFeedbackPanel from "@/components/game/VariableFeedbackPanel";
+import VariableScoreSummary from "@/components/game/VariableScoreSummary";
+import KatexRenderer from "@/components/math/KatexRenderer";
+import {
+  useVariableGameStore,
+  type VariableProblemCount,
+} from "@/store/variableGameStore";
+
+interface VariablePlayClientProps {
+  problemCount: VariableProblemCount;
+}
+
+export default function VariablePlayClient({
+  problemCount,
+}: VariablePlayClientProps) {
+  const session = useVariableGameStore((state) => state.session);
+  const selectedProblemCount = useVariableGameStore(
+    (state) => state.selectedProblemCount,
+  );
+  const setProblemCount = useVariableGameStore(
+    (state) => state.setProblemCount,
+  );
+  const initSession = useVariableGameStore((state) => state.initSession);
+  const submitAnswer = useVariableGameStore((state) => state.submitAnswer);
+  const nextProblem = useVariableGameStore((state) => state.nextProblem);
+  const resetSession = useVariableGameStore((state) => state.resetSession);
+
+  const [selectedChoiceIds, setSelectedChoiceIds] = useState<
+    [string | null, string | null]
+  >([null, null]);
+  const [activeTermIndex, setActiveTermIndex] = useState<0 | 1>(0);
+
+  const sessionProblemCount = session?.problems.length ?? null;
+  const currentProblem = session?.problems[session.currentIndex] ?? null;
+  const currentResult = session?.results[session.currentIndex] ?? null;
+  const isComplete = Boolean(
+    session && session.currentIndex >= session.problems.length,
+  );
+  const sessionNeedsInit = sessionProblemCount !== problemCount;
+  const correctCount =
+    session?.results.filter((result) => result?.correct).length ?? 0;
+  const totalCount = session?.problems.length ?? 0;
+
+  useEffect(() => {
+    if (selectedProblemCount !== problemCount) {
+      setProblemCount(problemCount);
+    }
+
+    if (sessionNeedsInit) {
+      initSession(problemCount);
+    }
+  }, [
+    initSession,
+    problemCount,
+    selectedProblemCount,
+    sessionProblemCount,
+    sessionNeedsInit,
+    setProblemCount,
+  ]);
+
+  useEffect(() => {
+    setSelectedChoiceIds([null, null]);
+    setActiveTermIndex(0);
+  }, [currentProblem?.key]);
+
+  function handleSelectChoice(termIndex: 0 | 1, choiceId: string) {
+    setSelectedChoiceIds((current) => {
+      const next: [string | null, string | null] = [...current];
+      next[termIndex] = choiceId;
+      return next;
+    });
+
+    if (termIndex === 0) {
+      setActiveTermIndex(1);
+    }
+  }
+
+  function handleSubmit() {
+    if (currentResult || !currentProblem) return;
+    if (selectedChoiceIds[0] === null || selectedChoiceIds[1] === null) return;
+
+    submitAnswer({ selectedChoiceIds });
+  }
+
+  function handleNextProblem() {
+    flushSync(() => {
+      nextProblem();
+    });
+  }
+
+  if (!session || sessionNeedsInit) {
+    return (
+      <main className="flex min-h-screen items-center bg-slate-50 px-6 py-12 text-slate-950">
+        <section className="mx-auto w-full max-w-3xl">
+          <p className="text-lg font-semibold text-slate-700">
+            문제를 준비하고 있습니다.
+          </p>
+        </section>
+      </main>
+    );
+  }
+
+  if (isComplete) {
+    return (
+      <VariableScoreSummary
+        correctCount={correctCount}
+        totalCount={totalCount}
+        problems={session.problems}
+        results={session.results}
+        onRestart={resetSession}
+      />
+    );
+  }
+
+  if (!currentProblem) {
+    return (
+      <main className="flex min-h-screen items-center bg-slate-50 px-6 py-12 text-slate-950">
+        <section className="mx-auto w-full max-w-3xl">
+          <p className="text-lg font-semibold text-slate-700">
+            현재 문제를 불러올 수 없습니다.
+          </p>
+        </section>
+      </main>
+    );
+  }
+
+  const submitted = currentResult !== null;
+  const isLastProblem = session.currentIndex === session.problems.length - 1;
+
+  return (
+    <main className="min-h-screen bg-slate-50 px-6 py-10 text-slate-950">
+      <section className="mx-auto flex w-full max-w-3xl flex-col gap-8">
+        <div className="flex flex-wrap items-center justify-between gap-4">
+          <div className="space-y-2">
+            <p className="text-sm font-semibold text-emerald-700">
+              미지수 괄호 풀기
+            </p>
+            <h1 className="text-3xl font-bold tracking-normal sm:text-4xl">
+              문제 풀이
+            </h1>
+          </div>
+          <StageIndicator
+            currentIndex={session.currentIndex}
+            results={session.results}
+          />
+        </div>
+
+        <div className="rounded-md bg-white px-6 pt-6 pb-2 shadow-sm ring-1 ring-slate-200 sm:p-8">
+          <p className="mb-4 text-sm font-semibold text-slate-500">
+            괄호를 풀어 첫째 항과 둘째 항의 답을 보기에서 고르세요.
+          </p>
+          <div className="text-3xl font-semibold text-slate-950 sm:text-4xl">
+            <KatexRenderer latex={currentProblem.latexBefore} displayMode />
+          </div>
+        </div>
+
+        {!submitted ? (
+          <VariableChoiceAnswerForm
+            choices={currentProblem.choices}
+            selectedChoiceIds={selectedChoiceIds}
+            activeTermIndex={activeTermIndex}
+            onSelectChoice={handleSelectChoice}
+            onSubmit={handleSubmit}
+          />
+        ) : null}
+
+        {currentResult ? (
+          <VariableFeedbackPanel
+            result={currentResult}
+            problem={currentProblem}
+            isLastProblem={isLastProblem}
+            onNext={handleNextProblem}
+          />
+        ) : null}
+      </section>
+    </main>
+  );
+}