import { getMusicUrl } from '~/utils/musicUrl'
import { useAudioPlayer, type PlayableSong } from './useAudioPlayer'
import { useToast } from './useToast'
import type { Song } from '~~/types'

export const useSongPlayer = () => {
  const audioPlayer = useAudioPlayer()
  const { showToast } = useToast()

  const playSong = async (song: Song | PlayableSong) => {
    // 如果是当前选中的歌曲
    if (audioPlayer.isCurrentSong(song.id)) {
      // 如果正在播放，则暂停
      if (audioPlayer.getPlayingStatus().value) {
        audioPlayer.pauseSong()
        return
      }
      
      // 如果是当前歌曲但暂停了，则恢复播放
      const currentGlobalSong = audioPlayer.getCurrentSong().value
      if (currentGlobalSong && (currentGlobalSong.musicUrl)) {
        audioPlayer.playSong(currentGlobalSong)
        return
      }
    }

    try {
      let url = null

      // 如果有手动填入的 playUrl，优先使用它（统一处理所有平台）
      if (song.playUrl && song.playUrl.trim()) {
        url = song.playUrl.trim()
      } else if (true) {
        // 如果不是哔哩哔哩歌曲且没有手动 playUrl，通过 API 获取 URL
        url = await getMusicUrl(song.musicPlatform, song.musicId, song.playUrl)
      }
      // 如果是哔哩哔哩歌曲且没有手动 playUrl，url 保持为 null，播放器会处理

      const playableSong: PlayableSong = {
        ...song,
        musicUrl: url
      }

      audioPlayer.playSong(playableSong, [playableSong])
    } catch (error: any) {
      console.error('播放失败:', error)
      const errorMessage = error instanceof Error ? error.message : String(error)
      showToast('播放失败: ' + errorMessage, 'error')
      
      // 即使获取 URL 失败，也应该调用 playSong 以触发播放器的错误处理和弹窗逻辑
      const playableSong: PlayableSong = {
        ...song,
        musicUrl: null
      }
      audioPlayer.playSong(playableSong, [playableSong])
    }
  }

  return {
    playSong
  }
}