重构逐句视频播放器

src/app/(features)/srt-player/hooks/useFileUpload.ts

@@ -0,0 +1,85 @@
+"use client";
+
+import { useCallback } from "react";
+
+export function useFileUpload() {
+  const uploadFile = useCallback((
+    file: File,
+    onSuccess: (url: string) => void,
+    onError?: (error: Error) => void
+  ) => {
+    try {
+      // 验证文件大小（限制为100MB）
+      const maxSize = 100 * 1024 * 1024; // 100MB
+      if (file.size > maxSize) {
+        throw new Error(`文件大小超过限制 (${(file.size / 1024 / 1024).toFixed(2)}MB > 100MB)`);
+      }
+      
+      const url = URL.createObjectURL(file);
+      onSuccess(url);
+    } catch (error) {
+      const errorMessage = error instanceof Error ? error.message : '文件上传失败';
+      onError?.(new Error(errorMessage));
+    }
+  }, []);
+
+  const uploadVideo = useCallback((
+    onVideoUpload: (url: string) => void,
+    onError?: (error: Error) => void
+  ) => {
+    const input = document.createElement('input');
+    input.type = 'file';
+    input.accept = 'video/*';
+    
+    input.onchange = (e) => {
+      const file = (e.target as HTMLInputElement).files?.[0];
+      if (file) {
+        // 验证文件类型
+        if (!file.type.startsWith('video/')) {
+          onError?.(new Error('请选择有效的视频文件'));
+          return;
+        }
+        uploadFile(file, onVideoUpload, onError);
+      }
+    };
+    
+    input.onerror = () => {
+      onError?.(new Error('文件选择失败'));
+    };
+    
+    input.click();
+  }, [uploadFile]);
+
+  const uploadSubtitle = useCallback((
+    onSubtitleUpload: (url: string) => void,
+    onError?: (error: Error) => void
+  ) => {
+    const input = document.createElement('input');
+    input.type = 'file';
+    input.accept = '.srt';
+    
+    input.onchange = (e) => {
+      const file = (e.target as HTMLInputElement).files?.[0];
+      if (file) {
+        // 验证文件扩展名
+        if (!file.name.toLowerCase().endsWith('.srt')) {
+          onError?.(new Error('请选择.srt格式的字幕文件'));
+          return;
+        }
+        uploadFile(file, onSubtitleUpload, onError);
+      }
+    };
+    
+    input.onerror = () => {
+      onError?.(new Error('文件选择失败'));
+    };
+    
+    input.click();
+  }, [uploadFile]);
+
+  return {
+    uploadVideo,
+    uploadSubtitle,
+    uploadFile,
+  };
+}