重构逐句视频播放器

src/app/(features)/srt-player/page.tsx

@@ -1,25 +1,280 @@
 "use client";
 
-import { KeyboardEvent, useRef, useState } from "react";
-import UploadArea from "./UploadArea";
-import VideoPanel from "./VideoPlayer/VideoPanel";
+import React from "react";
+import { useTranslations } from "next-intl";
+import { toast } from "sonner";
+import { Video, FileText } from "lucide-react";
+import { useSrtPlayer } from "./hooks/useSrtPlayer";
+import { useSubtitleSync } from "./hooks/useSubtitleSync";
+import { useKeyboardShortcuts, createSrtPlayerShortcuts } from "./hooks/useKeyboardShortcuts";
+import { useFileUpload } from "./hooks/useFileUpload";
+import { loadSubtitle } from "./utils/subtitleParser";
+import VideoPlayer from "./components/compounds/VideoPlayer";
+import SubtitleArea from "./components/compounds/SubtitleArea";
+import ControlBar from "./components/compounds/ControlBar";
+import UploadZone from "./components/compounds/UploadZone";
+import SeekBar from "./components/atoms/SeekBar";
+import DarkButton from "@/components/ui/buttons/DarkButton";
 
 export default function SrtPlayerPage() {
-  const videoRef = useRef<HTMLVideoElement>(null);
+  const t = useTranslations("home");
+  const srtT = useTranslations("srt_player");
+  const { uploadVideo, uploadSubtitle } = useFileUpload();
+  const {
+    state,
+    actions,
+    videoRef,
+    videoEventHandlers,
+    subtitleActions
+  } = useSrtPlayer();
+
+  // 字幕同步
+  useSubtitleSync(
+    state.subtitle.data,
+    state.video.currentTime,
+    state.video.isPlaying,
+    state.controls.autoPause,
+    (subtitle) => {
+      if (subtitle) {
+        subtitleActions.setCurrentSubtitle(subtitle.text, subtitle.index);
+      } else {
+        subtitleActions.setCurrentSubtitle("", null);
+      }
+    },
+    (subtitle) => {
+      // 自动暂停逻辑
+      actions.seek(subtitle.start);
+      actions.pause();
+    }
+  );
+
+  // 键盘快捷键
+  const shortcuts = React.useMemo(() =>
+    createSrtPlayerShortcuts(
+      actions.togglePlayPause,
+      actions.nextSubtitle,
+      actions.previousSubtitle,
+      actions.restartSubtitle,
+      actions.toggleAutoPause
+    ), [
+    actions.togglePlayPause,
+    actions.nextSubtitle,
+    actions.previousSubtitle,
+    actions.restartSubtitle,
+    actions.toggleAutoPause
+  ]
+  );
+
+  useKeyboardShortcuts(shortcuts);
+
+  // 处理字幕文件加载
+  React.useEffect(() => {
+    if (state.subtitle.url) {
+      loadSubtitle(state.subtitle.url)
+        .then(subtitleData => {
+          subtitleActions.setSubtitleData(subtitleData);
+          toast.success(srtT("subtitleLoadSuccess"));
+        })
+        .catch(error => {
+          toast.error(srtT("subtitleLoadFailed") + ": " + error.message);
+        });
+    }
+  }, [srtT, state.subtitle.url, subtitleActions]);
+
+  // 处理进度条变化
+  const handleSeek = React.useCallback((index: number) => {
+    if (state.subtitle.data[index]) {
+      actions.seek(state.subtitle.data[index].start);
+    }
+  }, [state.subtitle.data, actions]);
+
+  // 处理视频上传
+  const handleVideoUpload = React.useCallback(() => {
+    uploadVideo(actions.setVideoUrl, (error) => {
+      toast.error(srtT("videoUploadFailed") + ": " + error.message);
+    });
+  }, [uploadVideo, actions.setVideoUrl, srtT]);
+
+  // 处理字幕上传
+  const handleSubtitleUpload = React.useCallback(() => {
+    uploadSubtitle(actions.setSubtitleUrl, (error) => {
+      toast.error(srtT("subtitleUploadFailed") + ": " + error.message);
+    });
+  }, [uploadSubtitle, actions.setSubtitleUrl, srtT]);
+
+  // 检查是否可以播放
+  const canPlay = state.video.url && state.subtitle.url && state.subtitle.data.length > 0;
 
-  const [videoUrl, setVideoUrl] = useState<string | null>(null);
-  const [srtUrl, setSrtUrl] = useState<string | null>(null);
   return (
-    <>
-      <div
-        className="flex w-screen pt-8 items-center justify-center"
-        onKeyDown={(e: KeyboardEvent<HTMLDivElement>) => e.preventDefault()}
-      >
-        <div className="w-[80vw] md:w-[45vw] flex items-center flex-col">
-          <VideoPanel videoUrl={videoUrl} srtUrl={srtUrl} ref={videoRef} />
-          <UploadArea setVideoUrl={setVideoUrl} setSrtUrl={setSrtUrl} />
+    <div className="min-h-screen bg-gray-50">
+      <div className="container mx-auto px-4 py-8">
+        <div className="max-w-6xl mx-auto">
+          {/* 标题区域 */}
+          <div className="text-center mb-8">
+            <h1 className="text-4xl font-bold text-gray-800 mb-2">
+              {t("srtPlayer.name")}
+            </h1>
+            <p className="text-lg text-gray-600">
+              {t("srtPlayer.description")}
+            </p>
+          </div>
+
+          {/* 主要内容区域 */}
+          <div className="bg-white rounded-xl shadow-lg overflow-hidden">
+            {/* 视频播放器区域 */}
+            <div className="aspect-video bg-black relative">
+              {(!state.video.url || !state.subtitle.url || state.subtitle.data.length === 0) && (
+                <div className="absolute inset-0 flex items-center justify-center bg-gray-900 bg-opacity-75 z-10">
+                  <div className="text-center text-white">
+                    <p className="text-lg mb-2">
+                      {!state.video.url && !state.subtitle.url
+                        ? srtT("uploadVideoAndSubtitle")
+                        : !state.video.url
+                          ? srtT("uploadVideoFile")
+                          : !state.subtitle.url
+                            ? srtT("uploadSubtitleFile")
+                            : srtT("processingSubtitle")
+                      }
+                    </p>
+                    {(!state.video.url || !state.subtitle.url) && (
+                      <p className="text-sm text-gray-300">
+                        {srtT("needBothFiles")}
+                      </p>
+                    )}
+                  </div>
+                </div>
+              )}
+
+              {state.video.url && (
+                <VideoPlayer
+                  ref={videoRef}
+                  src={state.video.url}
+                  {...videoEventHandlers}
+                  className="w-full h-full"
+                >
+                  {state.subtitle.url && state.subtitle.data.length > 0 && (
+                    <SubtitleArea
+                      subtitle={state.subtitle.currentText}
+                      settings={state.subtitle.settings}
+                      className="absolute bottom-0 left-0 right-0 px-4 py-2"
+                    />
+                  )}
+                </VideoPlayer>
+              )}
+            </div>
+
+            {/* 控制面板 */}
+            <div className="p-3 bg-gray-50 border-t">
+              {/* 上传区域和状态指示器 */}
+              <div className="mb-3">
+                <div className="flex gap-3">
+                  <div className={`flex-1 p-2 rounded-lg border-2 transition-all ${state.video.url
+                    ? 'border-gray-800 bg-gray-100'
+                    : 'border-gray-300 bg-white'
+                    }`}>
+                    <div className="flex items-center justify-between">
+                      <div className="flex items-center gap-2">
+                        <Video className="w-5 h-5 text-gray-600" />
+                        <div className="text-left">
+                          <h3 className="font-semibold text-gray-800 text-sm">{srtT("videoFile")}</h3>
+                          <p className="text-xs text-gray-600">
+                            {state.video.url ? srtT("uploaded") : srtT("notUploaded")}
+                          </p>
+                        </div>
+                      </div>
+                      <DarkButton
+                        onClick={state.video.url ? undefined : handleVideoUpload}
+                        disabled={!!state.video.url}
+                        className="px-2 py-1 text-xs"
+                      >
+                        {state.video.url ? srtT("uploaded") : srtT("upload")}
+                      </DarkButton>
+                    </div>
+                  </div>
+
+                  <div className={`flex-1 p-2 rounded-lg border-2 transition-all ${state.subtitle.url
+                    ? 'border-gray-800 bg-gray-100'
+                    : 'border-gray-300 bg-white'
+                    }`}>
+                    <div className="flex items-center justify-between">
+                      <div className="flex items-center gap-2">
+                        <FileText className="w-5 h-5 text-gray-600" />
+                        <div className="text-left">
+                          <h3 className="font-semibold text-gray-800 text-sm">{srtT("subtitleFile")}</h3>
+                          <p className="text-xs text-gray-600">
+                            {state.subtitle.url ? srtT("uploaded") : srtT("notUploaded")}
+                          </p>
+                        </div>
+                      </div>
+                      <DarkButton
+                        onClick={state.subtitle.url ? undefined : handleSubtitleUpload}
+                        disabled={!!state.subtitle.url}
+                        className="px-2 py-1 text-xs"
+                      >
+                        {state.subtitle.url ? srtT("uploaded") : srtT("upload")}
+                      </DarkButton>
+                    </div>
+                  </div>
+                </div>
+              </div>
+
+              {/* 控制按钮和进度条 */}
+              <div className={`space-y-4 ${canPlay ? '' : 'opacity-50 pointer-events-none'}`}>
+                {/* 控制按钮 */}
+                <ControlBar
+                  isPlaying={state.video.isPlaying}
+                  onPlayPause={actions.togglePlayPause}
+                  onPrevious={actions.previousSubtitle}
+                  onNext={actions.nextSubtitle}
+                  onRestart={actions.restartSubtitle}
+                  playbackRate={state.video.playbackRate}
+                  onPlaybackRateChange={actions.setPlaybackRate}
+                  autoPause={state.controls.autoPause}
+                  onAutoPauseToggle={actions.toggleAutoPause}
+                  disabled={!canPlay}
+                  className="justify-center"
+                />
+
+                {/* 进度条 */}
+                <div className="space-y-2">
+                  <SeekBar
+                    value={state.subtitle.currentIndex ?? 0}
+                    max={Math.max(0, state.subtitle.data.length - 1)}
+                    onChange={handleSeek}
+                    disabled={!canPlay}
+                    className="h-3"
+                  />
+
+                  {/* 字幕进度显示 */}
+                  <div className="flex justify-between items-center text-sm text-gray-600 px-2">
+                    <span>
+                      {state.subtitle.currentIndex !== null ?
+                        `${state.subtitle.currentIndex + 1}/${state.subtitle.data.length}` :
+                        '0/0'
+                      }
+                    </span>
+
+                    <div className="flex items-center gap-4">
+                      {/* 播放速度显示 */}
+                      <span className="bg-gray-200 px-2 py-1 rounded text-xs">
+                        {state.video.playbackRate}x
+                      </span>
+
+                      {/* 自动暂停状态 */}
+                      <span className={`px-2 py-1 rounded text-xs ${state.controls.autoPause
+                        ? 'bg-gray-800 text-white'
+                        : 'bg-gray-100 text-gray-600'
+                        }`}>
+                        {srtT("autoPauseStatus", { enabled: state.controls.autoPause ? srtT("on") : srtT("off") })}
+                      </span>
+                    </div>
+                  </div>
+                </div>
+              </div>
+            </div>
+          </div>
         </div>
       </div>
-    </>
+    </div>
   );
-}
+}