feat: integrate social buttons in video page

- Add VideoSocialButton to VideoItem component
- Connect like/favorite actions with existing hooks
- Use Zustand store for state management
- Extend templateSocialStore to support favoriteCount
- Update tests for social button integration

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/(tabs)/video.test.tsx

@@ -46,6 +46,106 @@ jest.mock('@/components/LoadingState', () => 'LoadingState')
 jest.mock('@/components/ErrorState', () => 'ErrorState')
 jest.mock('@/components/PaginationLoader', () => 'PaginationLoader')
 
+// Mock VideoSocialButton
+jest.mock('@/components/blocks/ui/VideoSocialButton', () => ({
+  VideoSocialButton: ({ testID, liked, favorited, likeCount, favoriteCount }: any) => {
+    const React = require('react')
+    const { View, Text } = require('react-native')
+    return React.createElement(
+      View,
+      { testID },
+      liked !== undefined && React.createElement(Text, { testID: `${testID}-like-button` }, liked ? 'liked' : 'not liked'),
+      favorited !== undefined && React.createElement(Text, { testID: `${testID}-favorite-button` }, favorited ? 'favorited' : 'not favorited'),
+      likeCount !== undefined && React.createElement(Text, {}, likeCount.toString()),
+      favoriteCount !== undefined && React.createElement(Text, {}, favoriteCount.toString())
+    )
+  },
+}))
+
+// Mock LikeButton and FavoriteButton
+jest.mock('@/components/blocks/ui/LikeButton', () => ({
+  LikeButton: ({ testID, count }: any) => {
+    const React = require('react')
+    const { Text } = require('react-native')
+    return React.createElement(Text, { testID }, count !== undefined ? count.toString() : 'LikeButton')
+  },
+}))
+
+jest.mock('@/components/blocks/ui/FavoriteButton', () => ({
+  FavoriteButton: ({ testID, count }: any) => {
+    const React = require('react')
+    const { Text } = require('react-native')
+    return React.createElement(Text, { testID }, count !== undefined ? count.toString() : 'FavoriteButton')
+  },
+}))
+
+// Mock hooks
+jest.mock('@/hooks/use-template-like', () => ({
+  useTemplateLike: jest.fn(() => ({
+    liked: false,
+    loading: false,
+    like: jest.fn(),
+    unlike: jest.fn(),
+    checkLiked: jest.fn(),
+  })),
+}))
+
+jest.mock('@/hooks/use-template-favorite', () => ({
+  useTemplateFavorite: jest.fn(() => ({
+    favorited: false,
+    loading: false,
+    favorite: jest.fn(),
+    unfavorite: jest.fn(),
+    checkFavorited: jest.fn(),
+  })),
+}))
+
+jest.mock('@/stores/templateSocialStore', () => {
+  const actualStore = jest.requireActual('@/stores/templateSocialStore')
+  return {
+    ...actualStore,
+    useTemplateSocialStore: jest.fn((selector) => {
+      const state = {
+        likedMap: {},
+        favoritedMap: {},
+        likeCountMap: {},
+        favoriteCountMap: {},
+        setLikedStates: jest.fn(),
+        setFavoritedStates: jest.fn(),
+        setLikeCountStates: jest.fn(),
+        setFavoriteCountStates: jest.fn(),
+        setLiked: jest.fn(),
+        setFavorited: jest.fn(),
+        setLikeCount: jest.fn(),
+        setFavoriteCount: jest.fn(),
+        incrementLikeCount: jest.fn(),
+        decrementLikeCount: jest.fn(),
+        getLiked: jest.fn(),
+        getFavorited: jest.fn(),
+        getLikeCount: jest.fn(),
+        getFavoriteCount: jest.fn(),
+        isLiked: jest.fn(() => false),
+        isFavorited: jest.fn(() => false),
+        clear: jest.fn(),
+      }
+      if (typeof selector === 'function') {
+        return selector(state)
+      }
+      return state
+    }),
+    templateSocialStore: {
+      useLiked: jest.fn(() => false),
+      useFavorited: jest.fn(() => false),
+      useLikeCount: jest.fn(() => undefined),
+      useFavoriteCount: jest.fn(() => undefined),
+    },
+    useTemplateLiked: jest.fn(() => false),
+    useTemplateFavorited: jest.fn(() => false),
+    useTemplateLikeCount: jest.fn(() => undefined),
+    useTemplateFavoriteCount: jest.fn(() => undefined),
+  }
+})
+
 // Mock react-native RefreshControl (directly from react-native)
 jest.mock('react-native', () =>
     Object.assign({}, jest.requireActual('react-native'), {
@@ -194,6 +294,61 @@ describe('Video Screen', () => {
     })
   })
 
+  describe('VideoItem 社交按钮集成', () => {
+    const mockItem = createMockTemplateDetail() as TemplateDetail
+    const mockVideoHeight = 600
+
+    it('应该渲染社交按钮', () => {
+      const { getByTestId } = render(
+        <VideoItem item={mockItem} videoHeight={mockVideoHeight} />
+      )
+
+      expect(getByTestId('video-social-button')).toBeTruthy()
+    })
+
+    it('应该显示点赞数量', () => {
+      const itemWithLikes = createMockTemplateDetail({
+        likeCount: 150,
+      }) as TemplateDetail
+
+      const { getByText } = render(
+        <VideoItem item={itemWithLikes} videoHeight={mockVideoHeight} />
+      )
+
+      expect(getByText('150')).toBeTruthy()
+    })
+
+    it('应该显示收藏数量', () => {
+      const itemWithFavorites = createMockTemplateDetail({
+        favoriteCount: 80,
+      }) as TemplateDetail
+
+      const { getByText } = render(
+        <VideoItem item={itemWithFavorites} videoHeight={mockVideoHeight} />
+      )
+
+      expect(getByText('80')).toBeTruthy()
+    })
+
+    it('应该有点赞交互功能', () => {
+      const { getByTestId } = render(
+        <VideoItem item={mockItem} videoHeight={mockVideoHeight} />
+      )
+
+      const likeButton = getByTestId('video-social-button-like-button')
+      expect(likeButton).toBeTruthy()
+    })
+
+    it('应该有收藏交互功能', () => {
+      const { getByTestId } = render(
+        <VideoItem item={mockItem} videoHeight={mockVideoHeight} />
+      )
+
+      const favoriteButton = getByTestId('video-social-button-favorite-button')
+      expect(favoriteButton).toBeTruthy()
+    })
+  })
+
   describe('VideoScreen Component', () => {
     it('should show loading state when templates are loading', () => {
       mockUseTemplates.mockReturnValue({

app/(tabs)/video.tsx

@@ -17,6 +17,16 @@ import { useTranslation } from 'react-i18next'
 import { SameStyleIcon, WhiteStarIcon } from '@/components/icon'
 import { useRouter } from 'expo-router'
 import { useTemplates, type TemplateDetail } from '@/hooks'
+import { VideoSocialButton } from '@/components/blocks/ui/VideoSocialButton'
+import { useTemplateLike } from '@/hooks/use-template-like'
+import { useTemplateFavorite } from '@/hooks/use-template-favorite'
+import {
+  useTemplateSocialStore,
+  useTemplateLiked,
+  useTemplateFavorited,
+  useTemplateLikeCount,
+  useTemplateFavoriteCount,
+} from '@/stores/templateSocialStore'
 import LoadingState from '@/components/LoadingState'
 import ErrorState from '@/components/ErrorState'
 import PaginationLoader from '@/components/PaginationLoader'
@@ -67,6 +77,16 @@ export const VideoItem = memo(({ item, videoHeight }: { item: TemplateDetail; vi
     const router = useRouter()
     const [imageSize, setImageSize] = useState<{ width: number; height: number } | null>(null)
 
+    // 从 store 获取状态
+    const liked = useTemplateLiked(item.id) ?? false
+    const favorited = useTemplateFavorited(item.id) ?? false
+    const likeCount = useTemplateLikeCount(item.id) ?? item.likeCount
+    const favoriteCount = useTemplateFavoriteCount(item.id) ?? item.favoriteCount
+
+    // 使用 hooks 获取操作函数
+    const { like: onLike, unlike: onUnlike, loading: likeLoading } = useTemplateLike(item.id)
+    const { favorite: onFavorite, unfavorite: onUnfavorite, loading: favoriteLoading } = useTemplateFavorite(item.id)
+
     const handleImageLoad = useCallback((event: ImageLoadEventData) => {
         const { source } = event
         if (source?.width && source?.height) {
@@ -109,6 +129,20 @@ export const VideoItem = memo(({ item, videoHeight }: { item: TemplateDetail; vi
                 <SameStyleIcon />
                 <Text style={styles.actionButtonText}>{t('video.makeSame')}</Text>
             </Pressable>
+            {/* 社交按钮 */}
+            <VideoSocialButton
+                templateId={item.id}
+                liked={liked}
+                favorited={favorited}
+                likeCount={likeCount}
+                favoriteCount={favoriteCount}
+                loading={likeLoading || favoriteLoading}
+                onLike={onLike}
+                onUnlike={onUnlike}
+                onFavorite={onFavorite}
+                onUnfavorite={onUnfavorite}
+                testID="video-social-button"
+            />
         </View>
     )
 })

stores/templateSocialStore.ts

@@ -11,6 +11,9 @@ interface TemplateSocialState {
   // 点赞数量缓存: templateId -> number
   likeCountMap: Record<string, number>
 
+  // 收藏数量缓存: templateId -> number
+  favoriteCountMap: Record<string, number>
+
   // 批量更新点赞状态
   setLikedStates: (states: Record<string, boolean>) => void
 
@@ -20,6 +23,9 @@ interface TemplateSocialState {
   // 批量更新点赞数量
   setLikeCountStates: (states: Record<string, number>) => void
 
+  // 批量更新收藏数量
+  setFavoriteCountStates: (states: Record<string, number>) => void
+
   // 更新单个点赞状态
   setLiked: (templateId: string, liked: boolean) => void
 
@@ -29,6 +35,9 @@ interface TemplateSocialState {
   // 更新单个点赞数量
   setLikeCount: (templateId: string, count: number) => void
 
+  // 更新单个收藏数量
+  setFavoriteCount: (templateId: string, count: number) => void
+
   // 增加点赞数量（乐观更新）
   incrementLikeCount: (templateId: string) => void
 
@@ -44,6 +53,9 @@ interface TemplateSocialState {
   // 获取点赞数量（如果不存在返回 undefined）
   getLikeCount: (templateId: string) => number | undefined
 
+  // 获取收藏数量（如果不存在返回 undefined）
+  getFavoriteCount: (templateId: string) => number | undefined
+
   // 获取点赞状态（如果不存在返回 false）
   isLiked: (templateId: string) => boolean
 
@@ -61,6 +73,7 @@ export const useTemplateSocialStore = create<TemplateSocialState>()(
       likedMap: {},
       favoritedMap: {},
       likeCountMap: {},
+      favoriteCountMap: {},
 
       // Actions
       setLikedStates: (states) => {
@@ -81,6 +94,12 @@ export const useTemplateSocialStore = create<TemplateSocialState>()(
         }))
       },
 
+      setFavoriteCountStates: (states) => {
+        set((state) => ({
+          favoriteCountMap: { ...state.favoriteCountMap, ...states },
+        }))
+      },
+
       setLiked: (templateId, liked) => {
         set((state) => ({
           likedMap: { ...state.likedMap, [templateId]: liked },
@@ -99,6 +118,12 @@ export const useTemplateSocialStore = create<TemplateSocialState>()(
         }))
       },
 
+      setFavoriteCount: (templateId, count) => {
+        set((state) => ({
+          favoriteCountMap: { ...state.favoriteCountMap, [templateId]: count },
+        }))
+      },
+
       incrementLikeCount: (templateId) => {
         set((state) => ({
           likeCountMap: {
@@ -132,6 +157,10 @@ export const useTemplateSocialStore = create<TemplateSocialState>()(
         return get().likeCountMap[templateId]
       },
 
+      getFavoriteCount: (templateId) => {
+        return get().favoriteCountMap[templateId]
+      },
+
       isLiked: (templateId) => {
         return get().likedMap[templateId] || false
       },
@@ -145,6 +174,7 @@ export const useTemplateSocialStore = create<TemplateSocialState>()(
           likedMap: {},
           favoritedMap: {},
           likeCountMap: {},
+          favoriteCountMap: {},
         })
       },
     }),
@@ -171,3 +201,12 @@ export function useTemplateLikeCount(templateId: string | undefined) {
     templateId ? state.likeCountMap[templateId] : undefined
   )
 }
+
+export function useTemplateFavoriteCount(templateId: string | undefined) {
+  return useTemplateSocialStore((state) =>
+    templateId ? state.favoriteCountMap[templateId] : undefined
+  )
+}
+
+// 为了方便使用，导出 templateSocialStore 别名
+export const templateSocialStore = useTemplateSocialStore