xiaoxia-saas/apps/web/src/pages/generate/components/Step5VoiceSelect.tsx

/**
 * Step 5 配音选择组件
 * 展示用户已上传的配音素材，支持选中、预览播放
 */
import React, { useState, useRef, useCallback } from "react"
import { useQuery } from "@tanstack/react-query"
import { AudioOutlined, SoundOutlined } from "@ant-design/icons"
import { getAssetsByKind } from "@/api/assets"
import type { AssetItem } from "@/api/assets"

interface Step5VoiceSelectProps {
  selectedVoice: string
  onSelectedVoiceChange: (id: string) => void
}

/** 格式化时长 mm:ss */
const formatDuration = (seconds?: number): string => {
  if (!seconds || seconds <= 0) return "00:00"
  const m = Math.floor(seconds / 60)
  const s = Math.floor(seconds % 60)
  return `${String(m).padStart(2, "0")}:${String(s).padStart(2, "0")}`
}

/** 格式化文件大小 */
const formatFileSize = (bytes?: number): string => {
  if (!bytes || bytes <= 0) return "未知"
  if (bytes < 1024) return `${bytes} B`
  if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`
  if (bytes < 1024 * 1024 * 1024) return `${(bytes / (1024 * 1024)).toFixed(1)} MB`
  return `${(bytes / (1024 * 1024 * 1024)).toFixed(1)} GB`
}

const Step5VoiceSelect: React.FC<Step5VoiceSelectProps> = ({
  selectedVoice,
  onSelectedVoiceChange,
}) => {
  const [playingId, setPlayingId] = useState<string | null>(null)
  const audioRef = useRef<HTMLAudioElement | null>(null)

  // 获取用户上传的配音素材
  const { data: materials = [], isLoading } = useQuery({
    queryKey: ["assets", "voice"],
    queryFn: () => getAssetsByKind("voice", { limit: 50 }),
  })

  /** 切换播放/暂停 */
  const togglePlay = useCallback(
    (material: AssetItem) => {
      // 如果当前正在播放同一个素材，则暂停
      if (playingId === material.id && audioRef.current) {
        audioRef.current.pause()
        setPlayingId(null)
        return
      }

      // 停止之前的播放
      if (audioRef.current) {
        audioRef.current.pause()
      }

      // 创建新的 audio 元素播放
      const audio = new Audio(material.file_url)
      audioRef.current = audio
      setPlayingId(material.id)

      audio.onended = () => {
        setPlayingId(null)
        audioRef.current = null
      }

      audio.play().catch(() => {
        setPlayingId(null)
        audioRef.current = null
      })
    },
    [playingId],
  )

  /** 选中素材 */
  const handleSelect = useCallback(
    (id: string) => {
      onSelectedVoiceChange(id)
    },
    [onSelectedVoiceChange],
  )

  /** 跳转到配音库上传 */
  const handleGoToUpload = useCallback(() => {
    window.location.href = "/voices"
  }, [])

  // 加载中状态
  if (isLoading) {
    return (
      <div className="xx-form-section">
        <h3>🎙️ 选择配音</h3>
        <div style={{ textAlign: "center", padding: "40px 0", color: "#999" }}>
          加载配音素材中...
        </div>
      </div>
    )
  }

  // 空状态
  if (materials.length === 0) {
    return (
      <div className="xx-form-section">
        <h3>🎙️ 选择配音</h3>
        <div
          style={{
            textAlign: "center",
            padding: "60px 0",
            color: "#999",
          }}
        >
          <AudioOutlined style={{ fontSize: 48, color: "#d9d9d9", marginBottom: 16 }} />
          <p style={{ fontSize: 16, marginBottom: 16 }}>暂无配音素材</p>
          <button
            type="button"
            onClick={handleGoToUpload}
            style={{
              padding: "8px 24px",
              background: "#1677ff",
              color: "#fff",
              border: "none",
              borderRadius: 6,
              cursor: "pointer",
              fontSize: 14,
            }}
          >
            去配音库上传
          </button>
        </div>
      </div>
    )
  }

  return (
    <div className="xx-form-section">
      <h3>🎙️ 选择配音</h3>
      <p style={{ color: "#666", marginBottom: 16, fontSize: 14 }}>
        从配音库中选择已上传的素材，点击卡片可预览播放
      </p>
      <div
        style={{
          display: "grid",
          gridTemplateColumns: "repeat(auto-fill, minmax(220px, 1fr))",
          gap: 12,
        }}
      >
        {materials.map((item) => {
          const isSelected = selectedVoice === item.id
          const isPlaying = playingId === item.id

          return (
            <div
              key={item.id}
              onClick={() => handleSelect(item.id)}
              style={{
                padding: 16,
                borderRadius: 8,
                border: isSelected ? "2px solid #1677ff" : "1px solid #e8e8e8",
                background: isSelected ? "#e6f4ff" : "#fff",
                cursor: "pointer",
                transition: "all 0.2s",
                display: "flex",
                flexDirection: "column",
                gap: 8,
              }}
            >
              {/* 顶部：图标 + 播放按钮 */}
              <div
                style={{ display: "flex", alignItems: "center", justifyContent: "space-between" }}
              >
                <div
                  style={{
                    width: 40,
                    height: 40,
                    borderRadius: 8,
                    background: isSelected
                      ? "linear-gradient(135deg, #1677ff, #4096ff)"
                      : "linear-gradient(135deg, #f0f0f0, #e8e8e8)",
                    display: "flex",
                    alignItems: "center",
                    justifyContent: "center",
                  }}
                >
                  <AudioOutlined style={{ fontSize: 20, color: isSelected ? "#fff" : "#666" }} />
                </div>
                {item.file_url && (
                  <button
                    type="button"
                    onClick={(e) => {
                      e.stopPropagation()
                      togglePlay(item)
                    }}
                    style={{
                      width: 32,
                      height: 32,
                      borderRadius: "50%",
                      border: "none",
                      background: isPlaying ? "#ff4d4f" : "#1677ff",
                      color: "#fff",
                      cursor: "pointer",
                      display: "flex",
                      alignItems: "center",
                      justifyContent: "center",
                      fontSize: 14,
                    }}
                    title={isPlaying ? "暂停" : "播放"}
                  >
                    <SoundOutlined />
                  </button>
                )}
              </div>

              {/* 名称 */}
              <div
                style={{
                  fontSize: 14,
                  fontWeight: 500,
                  color: "#333",
                  overflow: "hidden",
                  textOverflow: "ellipsis",
                  whiteSpace: "nowrap",
                }}
                title={item.name}
              >
                {item.name}
              </div>

              {/* 时长 + 大小 */}
              <div
                style={{
                  display: "flex",
                  justifyContent: "space-between",
                  fontSize: 12,
                  color: "#999",
                }}
              >
                <span>{formatDuration(item.duration)}</span>
                <span>{formatFileSize(item.file_size)}</span>
              </div>
            </div>
          )
        })}
      </div>
    </div>
  )
}

export default Step5VoiceSelect