import type {
  AudioItem,
  TranscriptionResult,
  TranscriptionResponse,
  TranscriptionData
} from '@gold/config/types'

import BaiLianService from '@/api/bailian'

/**
 * 音频转文本
 * @param list - 音频项列表
 * @returns 转录结果数组
 */
export async function getVoiceText(
  list: AudioItem[]
): Promise<TranscriptionResult[]> {
  const ret = await (BaiLianService as any).videoToCharacters({
    fileLinkList: list.map(item => item.audio_url),
  })

  const data: string = ret.data
  const rst: TranscriptionResponse = JSON.parse(data)
  const transcription_url: string[] = rst.results.map(item => item.transcription_url)

  const transcriptions: TranscriptionResult[] = await Promise.all(
    (transcription_url || []).filter(Boolean).map(async (url: string): Promise<TranscriptionResult> => {
      try {
        const resp: Response = await fetch(url)
        const contentType: string = resp.headers.get('content-type') || ''
        const value: string = contentType.includes('application/json')
          ? JSON.stringify(await resp.json())
          : await resp.text()
        const parsed: TranscriptionData = JSON.parse(value)
        return {
          key: url,
          audio_url: parsed.file_url,
          value: parsed.transcripts?.[0]?.text || ''
        }
      } catch (e: unknown) {
        console.warn('获取转写内容失败:', url, e)
        return { key: url, value: '' }
      }
    })
  )
  return transcriptions
}

interface UseVoiceTextReturn {
  getVoiceText: (list: AudioItem[]) => Promise<TranscriptionResult[]>
}

/**
 * 语音文本转换Hook
 * @returns 包含getVoiceText方法的对象
 */
export default function useVoiceText(): UseVoiceTextReturn {
  return {
    getVoiceText
  }
}