refactor: 更新现有文件适配前端预览播放器架构

apps/web/src/pages/generate/components/Step5GeneratePreview.tsx

@@ -1,33 +1,15 @@
 /**
- * Step 5 生成预览组件（支持多预览）
- * 调用后端预览生成接口，展示预览生成状态
- * 预览视频由右侧 PreviewVideoPanel 展示，本组件不重复显示预览网格
- * 标题样式面板（TitleStylePanel）在此展示，用户可实时调整标题样式
+ * Step 5 生成预览组件
+ * 架构改造：移除后端预览生成，改为前端实时预览
+ * 左侧仅保留标题样式面板，视频在右侧 PreviewVideoPanel 实时播放
  */
 import React from "react"
-import {
-  CheckCircleFilled,
-  ReloadOutlined,
-  PlayCircleOutlined,
-  ExclamationCircleFilled,
-  ClockCircleOutlined,
-} from "@ant-design/icons"
-import { InputNumber } from "antd"
+import { PlayCircleOutlined } from "@ant-design/icons"
 import { POSITION_OPTIONS, FONT_OPTIONS } from "../constants"
 import type { TitleSettings } from "../types"
-import type { PreviewItem, PreviewStatus } from "../hooks/useStep5Preview"
 import TitleStylePanel from "./title/TitleStylePanel"
 
 interface Step5GeneratePreviewProps {
-  previewCount: number
-  onPreviewCountChange: (count: number) => void
-  items: PreviewItem[]
-  overallStatus: PreviewStatus
-  overallError: string
-  overallProgress: number
-  anyGenerating: boolean
-  onGeneratePreview: () => void
-  onRegeneratePreview: () => void
   /* 标题样式 */
   titleSettings: TitleSettings
   onUpdatePosition: (position: string) => void
@@ -42,23 +24,7 @@ interface Step5GeneratePreviewProps {
   titlePresets: { key: string; label: string; previewStyle: React.CSSProperties }[]
 }
 
-/** 预览数量选项 */
-const PREVIEW_COUNT_OPTIONS = [
-  { value: 1, label: "1个" },
-  { value: 2, label: "2个" },
-  { value: 3, label: "3个" },
-]
-
 const Step5GeneratePreview: React.FC<Step5GeneratePreviewProps> = ({
-  previewCount,
-  onPreviewCountChange,
-  items,
-  overallStatus,
-  overallError,
-  overallProgress,
-  anyGenerating,
-  onGeneratePreview,
-  onRegeneratePreview,
   titleSettings,
   onUpdatePosition,
   onUpdateFont,
@@ -71,14 +37,31 @@ const Step5GeneratePreview: React.FC<Step5GeneratePreviewProps> = ({
   activePreset,
   titlePresets,
 }) => {
-  const isIdle = overallStatus === "idle"
-  const isError = overallStatus === "error" && !items.some((it) => it.status === "ready")
-
   return (
     <div className="xx-form-section">
-      <h3>🎬 生成预览</h3>
+      <h3>🎬 预览设置</h3>
 
-      {/* 标题样式面板 — 用户可实时调整标题样式，右侧预览同步更新 */}
+      {/* 前端实时预览提示 */}
+      <div
+        className="xx-preview-tip"
+        style={{
+          display: "flex",
+          alignItems: "center",
+          gap: 8,
+          padding: "12px 16px",
+          background: "rgba(59, 130, 246, 0.08)",
+          borderRadius: 8,
+          marginBottom: 16,
+          border: "1px solid rgba(59, 130, 246, 0.15)",
+        }}
+      >
+        <PlayCircleOutlined style={{ fontSize: 18, color: "#3b82f6" }} />
+        <span style={{ fontSize: 13, color: "var(--text-secondary, #666)" }}>
+          右侧面板直接播放素材片段，调整标题样式可实时预览效果
+        </span>
+      </div>
+
+      {/* 标题样式面板 */}
       <TitleStylePanel
         settings={titleSettings}
         onUpdatePosition={onUpdatePosition}
@@ -94,116 +77,6 @@ const Step5GeneratePreview: React.FC<Step5GeneratePreviewProps> = ({
         POSITION_OPTIONS={POSITION_OPTIONS}
         FONT_OPTIONS={FONT_OPTIONS}
       />
-
-      {/* 预览数量选择器（仅在 idle 状态显示） */}
-      {isIdle && (
-        <div style={{ marginBottom: 16, display: "flex", alignItems: "center", gap: 12 }}>
-          <span style={{ fontSize: 14, color: "#666" }}>预览数量：</span>
-          <div style={{ display: "flex", gap: 8, alignItems: "center" }}>
-            {PREVIEW_COUNT_OPTIONS.map((opt) => (
-              <button
-                key={opt.value}
-                type="button"
-                onClick={() => onPreviewCountChange(opt.value)}
-                style={{
-                  padding: "4px 12px",
-                  borderRadius: 6,
-                  border: previewCount === opt.value ? "1px solid #1677ff" : "1px solid #d9d9d9",
-                  background: previewCount === opt.value ? "#e6f4ff" : "#fff",
-                  color: previewCount === opt.value ? "#1677ff" : "#666",
-                  cursor: "pointer",
-                  fontSize: 13,
-                  fontWeight: previewCount === opt.value ? 600 : 400,
-                }}
-              >
-                {opt.label}
-              </button>
-            ))}
-            <InputNumber
-              min={1}
-              max={10}
-              value={previewCount}
-              onChange={(val) => val && onPreviewCountChange(val)}
-              style={{ width: 70 }}
-              placeholder="自定义"
-            />
-            <span style={{ fontSize: 12, color: "#999", marginLeft: 4 }}>（1~10）</span>
-          </div>
-          {previewCount > 1 && (
-            <span style={{ fontSize: 12, color: "#999" }}>生成多个预览可对比不同剪辑效果</span>
-          )}
-        </div>
-      )}
-
-      {/* 预览生成按钮（idle 状态） */}
-      {isIdle && (
-        <div className="xx-preview-generate-section">
-          <div className="xx-preview-generate-hint">
-            <PlayCircleOutlined style={{ fontSize: 32, color: "#3b82f6", marginBottom: 12 }} />
-            <p className="xx-preview-generate-title">一键生成剪辑预览</p>
-            <p className="xx-preview-generate-desc">
-              AI 将根据您选择的模板、素材和配音，智能生成
-              {previewCount > 1 ? `${previewCount}个不同版本的` : ""}视频预览（480p 低清版）
-            </p>
-          </div>
-          <button
-            className="xx-btn xx-btn-primary xx-preview-generate-btn"
-            onClick={onGeneratePreview}
-          >
-            ✨ 生成预览{previewCount > 1 ? `（${previewCount}个）` : ""}
-          </button>
-        </div>
-      )}
-
-      {/* 整体排队中（所有都在 pending） */}
-      {anyGenerating && items.every((it) => it.status === "pending") && (
-        <div className="xx-preview-loading">
-          <ClockCircleOutlined style={{ fontSize: 32, color: "#faad14" }} spin />
-          <p className="xx-preview-loading-text">预览排队中...</p>
-          <p className="xx-preview-loading-desc">正在等待渲染资源，请稍候</p>
-        </div>
-      )}
-
-      {/* 预览网格已移除 — 右侧 PreviewVideoPanel 已展示实际预览视频，左侧不再重复显示 */}
-
-      {/* 整体进度条（多预览生成中） */}
-      {anyGenerating && (
-        <div className="xx-preview-progress-bar" style={{ marginBottom: 12 }}>
-          <div className="xx-preview-progress-fill" style={{ width: `${overallProgress}%` }} />
-        </div>
-      )}
-
-      {/* 全部完成提示 */}
-      {overallStatus === "ready" && (
-        <div className="xx-preview-tip">
-          <CheckCircleFilled style={{ color: "#52c41a", marginRight: 8 }} />
-          <span>
-            {items.filter((it) => it.status === "ready").length} 个预览生成成功
-            "，请在右侧预览面板查看效果"
-          </span>
-          <button
-            className="xx-preview-regenerate-btn"
-            onClick={onRegeneratePreview}
-            title="重新生成"
-          >
-            <ReloadOutlined /> 重新生成
-          </button>
-        </div>
-      )}
-
-      {/* 全部失败 */}
-      {isError && (
-        <div className="xx-preview-error">
-          <ExclamationCircleFilled style={{ fontSize: 28, color: "#ef4444" }} />
-          <p className="xx-preview-error-text">预览生成失败</p>
-          <p className="xx-preview-error-desc">
-            {typeof overallError === "string" && overallError ? overallError : "请稍后重试"}
-          </p>
-          <button className="xx-btn xx-btn-primary" onClick={onRegeneratePreview}>
-            <ReloadOutlined /> 重新生成
-          </button>
-        </div>
-      )}
     </div>
   )
 }