괄호 앞 음수 분배 스테이지 추가

2026-05-23 12:15:53 +09:00
parent 1ed0611b9d
commit 5ee33bf0d3
13 changed files with 1644 additions and 31 deletions
@@ -0,0 +1,109 @@
+import { create } from "zustand";
+
+import {
+  generateSession,
+  gradeAnswer,
+} from "@/lib/engine/parenthesis-sign";
+import type {
+  GradeResult,
+  ParenthesisSignProblem,
+  UserAnswer,
+} from "@/lib/engine/types";
+
+interface GameSession {
+  problems: ParenthesisSignProblem[];
+  currentIndex: number;
+  results: (GradeResult | null)[];
+}
+
+interface GameState {
+  session: GameSession | null;
+  initSession: (count?: number) => void;
+  submitAnswer: (answer: UserAnswer) => void;
+  nextProblem: () => void;
+  resetSession: () => void;
+  currentProblem: () => ParenthesisSignProblem | null;
+  currentResult: () => GradeResult | null;
+  isComplete: () => boolean;
+  score: () => { correct: number; total: number };
+}
+
+const DEFAULT_SESSION_COUNT = 10;
+
+function createSession(count = DEFAULT_SESSION_COUNT): GameSession {
+  const problems = generateSession(count);
+
+  return {
+    problems,
+    currentIndex: 0,
+    results: problems.map(() => null),
+  };
+}
+
+export const useGameStore = create<GameState>((set, get) => ({
+  session: null,
+  initSession: (count = DEFAULT_SESSION_COUNT) => {
+    set({ session: createSession(count) });
+  },
+  submitAnswer: (answer) => {
+    const { session } = get();
+
+    if (!session || session.currentIndex >= session.problems.length) return;
+    if (session.results[session.currentIndex] !== null) return;
+
+    const problem = session.problems[session.currentIndex];
+    const result = gradeAnswer(problem, answer);
+    const results = [...session.results];
+    results[session.currentIndex] = result;
+
+    set({
+      session: {
+        ...session,
+        results,
+      },
+    });
+  },
+  nextProblem: () => {
+    const { session } = get();
+
+    if (!session || session.currentIndex >= session.problems.length) return;
+    if (session.results[session.currentIndex] === null) return;
+
+    set({
+      session: {
+        ...session,
+        currentIndex: session.currentIndex + 1,
+      },
+    });
+  },
+  resetSession: () => {
+    set({ session: createSession() });
+  },
+  currentProblem: () => {
+    const { session } = get();
+
+    if (!session) return null;
+    return session.problems[session.currentIndex] ?? null;
+  },
+  currentResult: () => {
+    const { session } = get();
+
+    if (!session) return null;
+    return session.results[session.currentIndex] ?? null;
+  },
+  isComplete: () => {
+    const { session } = get();
+
+    return Boolean(session && session.currentIndex >= session.problems.length);
+  },
+  score: () => {
+    const { session } = get();
+
+    if (!session) return { correct: 0, total: 0 };
+
+    return {
+      correct: session.results.filter((result) => result?.correct).length,
+      total: session.problems.length,
+    };
+  },
+}));