From 6d51a53f48b0237640727ce65dfae96dd32c38e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BA=8C=E8=B4=A7=E6=9C=BA=E5=99=A8=E4=BA=BA?=
 <smith3816@gmail.com>
Date: Wed, 30 Sep 2026 17:40:10 +0800
Subject: [PATCH] fix: preserve remaining duration when paused repeatedly

---
 src/hooks/useNoticeTimer.ts   |  1 +
 tests/useNoticeTimer.test.tsx | 43 +++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 tests/useNoticeTimer.test.tsx

diff --git a/src/hooks/useNoticeTimer.ts b/src/hooks/useNoticeTimer.ts
index dafc03ea..d055f6f0 100644
--- a/src/hooks/useNoticeTimer.ts
+++ b/src/hooks/useNoticeTimer.ts
@@ -32,6 +32,7 @@ export default function useNoticeTimer(
 
   const onPause = React.useCallback(() => {
     syncPassTime();
+    lastRafTimeRef.current = null;
     setWalking(false);
   }, []);
 
diff --git a/tests/useNoticeTimer.test.tsx b/tests/useNoticeTimer.test.tsx
new file mode 100644
index 00000000..ff499a2f
--- /dev/null
+++ b/tests/useNoticeTimer.test.tsx
@@ -0,0 +1,43 @@
+import { act, renderHook } from '@testing-library/react';
+import useNoticeTimer from '../src/hooks/useNoticeTimer';
+
+describe('useNoticeTimer', () => {
+  beforeEach(() => {
+    vi.useFakeTimers();
+  });
+
+  afterEach(() => {
+    vi.useRealTimers();
+  });
+
+  it('preserves the remaining duration when paused repeatedly', () => {
+    const onClose = vi.fn();
+    const onUpdate = vi.fn();
+    const { result, unmount } = renderHook(() => useNoticeTimer(1, onClose, onUpdate));
+
+    act(() => vi.advanceTimersByTime(200));
+    act(() => result.current[1]());
+    const updateCount = onUpdate.mock.calls.length;
+
+    for (let i = 0; i < 3; i += 1) {
+      act(() => vi.advanceTimersByTime(2000));
+      act(() => result.current[1]());
+    }
+
+    expect(onUpdate).toHaveBeenCalledTimes(updateCount);
+    expect(onClose).not.toHaveBeenCalled();
+
+    act(() => result.current[0]());
+    expect(onUpdate).toHaveBeenLastCalledWith(0.2);
+    expect(onClose).not.toHaveBeenCalled();
+
+    act(() => vi.advanceTimersByTime(700));
+    expect(onClose).not.toHaveBeenCalled();
+
+    act(() => vi.advanceTimersByTime(200));
+    expect(onUpdate).toHaveBeenLastCalledWith(1);
+    expect(onClose).toHaveBeenCalledTimes(1);
+
+    unmount();
+  });
+});