frontend/src/components/AudioPlayer.tsx

import { useEffect, useRef, useState } from 'react'
import WaveSurfer from 'wavesurfer.js'
// @ts-ignore: No types for timeline.esm.js
import TimelinePlugin from 'wavesurfer.js/dist/plugins/timeline.esm.js'
import API from '../API'

const AudioPlayer = ({ src }: { src: string }) => {
  const containerRef = useRef<HTMLDivElement>(null)
  const wavesurferRef = useRef<WaveSurfer | null>(null)
  const [isPlaying, setIsPlaying] = useState(false)

  useEffect(() => {
    if (!containerRef.current) return

    // Destroy previous instance if exists
    if (wavesurferRef.current) {
      wavesurferRef.current.destroy()
      wavesurferRef.current = null
    }

    // Get proxied URL to bypass CORS
    const proxiedUrl = API.getProxiedUrl(src)

    // Create plugin instance inside effect
    const bottomTimeline = TimelinePlugin.create({
      height: 16,
      timeInterval: 0.1,
      primaryLabelInterval: 1,
      style: { fontSize: '10px' },
    })

    // Create an instance of WaveSurfer
    wavesurferRef.current = WaveSurfer.create({
      container: containerRef.current,
      waveColor: 'rgb(200, 0, 200)',
      progressColor: 'rgb(100, 0, 100)',
      url: proxiedUrl,
      minPxPerSec: 100,
      // barWidth: 10,
      // barRadius: 10,
      // barGap: 2,
      mediaControls: true,
      plugins: [bottomTimeline],
    })

    // Play on click
    wavesurferRef.current.on('interaction', () => {
      wavesurferRef.current?.play()
      setIsPlaying(true)
    })
    wavesurferRef.current.on('finish', () => {
      wavesurferRef.current?.setTime(0)
      setIsPlaying(false)
    })
    wavesurferRef.current.on('play', () => setIsPlaying(true))
    wavesurferRef.current.on('pause', () => setIsPlaying(false))

    // Cleanup on unmount
    return () => {
      wavesurferRef.current?.destroy()
      wavesurferRef.current = null
    }
  }, [src])

  // Optionally, add a play/pause button
  // const handlePlayPause = () => {
  //   wavesurferRef.current?.playPause()
  // }

  return (
    <div className="w-full">
      <div ref={containerRef} />
      {/* <button onClick={handlePlayPause}>{isPlaying ? 'Pause' : 'Play'}</button> */}
    </div>
  )
}

export default AudioPlayer