phase 2

src/store/test-store.ts

@@ -1,27 +1,53 @@
-import { create } from "zustand"
-import { persist } from "zustand/middleware"
+import { create } from 'zustand'
+import { persist } from 'zustand/middleware'
+import type { Question } from '@/types'
 
-interface TestState {
-  // Shell — filled during TOEIC feature implementation
-  currentPart: number | null
-  answers: Record<string, string>
-  setCurrentPart: (part: number | null) => void
-  setAnswer: (questionId: string, answer: string) => void
+interface TestStore {
+  partId: number
+  partName: string
+  questions: Question[]
+  answers: (number | null)[]
+  isSubmitted: boolean
+  timeUsed: number // seconds elapsed when submitted
+
+  startExam: (partId: number, partName: string, questions: Question[]) => void
+  setAnswer: (questionIndex: number, answerIndex: number) => void
+  submitExam: (timeUsed: number) => void
   reset: () => void
 }
 
-export const useTestStore = create<TestState>()(
+export const useTestStore = create<TestStore>()(
   persist(
     (set) => ({
-      currentPart: null,
-      answers: {},
-      setCurrentPart: (part) => set({ currentPart: part }),
-      setAnswer: (questionId, answer) =>
-        set((state) => ({
-          answers: { ...state.answers, [questionId]: answer },
-        })),
-      reset: () => set({ currentPart: null, answers: {} }),
+      partId: 2,
+      partName: '',
+      questions: [],
+      answers: [],
+      isSubmitted: false,
+      timeUsed: 0,
+
+      startExam: (partId, partName, questions) =>
+        set({
+          partId,
+          partName,
+          questions,
+          answers: new Array(questions.length).fill(null),
+          isSubmitted: false,
+          timeUsed: 0,
+        }),
+
+      setAnswer: (questionIndex, answerIndex) =>
+        set((state) => {
+          const answers = [...state.answers]
+          answers[questionIndex] = answerIndex
+          return { answers }
+        }),
+
+      submitExam: (timeUsed) => set({ isSubmitted: true, timeUsed }),
+
+      reset: () =>
+        set({ partId: 2, partName: '', questions: [], answers: [], isSubmitted: false, timeUsed: 0 }),
     }),
-    { name: "test-store" },
+    { name: 'test-store' },
   ),
 )