import { useAudioQuality } from '~/composables/useAudioQuality'
import { useMusicSources } from '~/composables/useMusicSources'

/**
 * 动态获取音乐播放URL
 * @param platform 音乐平台
 * @param musicId 音乐ID
 * @param playUrl 用户提供的播放链接（可选）
 * @param options 额外选项，例如 { unblock: boolean, quality: number }
 * @returns Promise<string | null> 返回播放URL或null
 */
export async function getMusicUrl(
  platform: string,
  musicId: string | number,
  playUrl?: string,
  options?: { unblock?: boolean; quality?: number }
): Promise<string | null> {
  if (playUrl && playUrl.trim()) {
    return playUrl.trim()
  }

  if (
    !platform ||
    !musicId ||
    platform === 'unknown' ||
    platform === '' ||
    musicId === null ||
    musicId === ''
  ) {
    throw new Error('缺少音乐平台或音乐ID信息')
  }

  const { getQuality } = useAudioQuality()
  const { getSongUrl } = useMusicSources()

  const quality =
    options?.quality !== undefined ? options.quality : getQuality(platform)

  const result = await getSongUrl(
    musicId,
    quality,
    platform,
    undefined,
    options
  )
  if (result.success && result.url) {
    return result.url
  }

  throw new Error(result.error || '获取音乐播放链接失败')
}