"use client"

import { useState, useRef, useEffect } from 'react'
import { Button } from '@/components/ui/button'
import { Play, Pause, Volume2 } from 'lucide-react'

interface VoicePlayerProps {
  audioUrl: string
  duration?: number
  isCurrentUser?: boolean
}

export function VoicePlayer({ audioUrl, duration = 0, isCurrentUser = false }: VoicePlayerProps) {
  const [isPlaying, setIsPlaying] = useState(false)
  const [currentTime, setCurrentTime] = useState(0)
  const [audioDuration, setAudioDuration] = useState(duration > 0 ? duration : 0)
  const [isLoading, setIsLoading] = useState(false)
  
  const audioRef = useRef<HTMLAudioElement | null>(null)

  // Обновляем длительность при изменении props
  useEffect(() => {
    if (duration > 0 && (!audioDuration || audioDuration === 0)) {
      setAudioDuration(duration)
    }
  }, [duration, audioDuration])

  useEffect(() => {
    // Создаем аудио элемент
    audioRef.current = new Audio(audioUrl)
    const audio = audioRef.current
    


    const handleLoadedMetadata = () => {
      if (audio.duration && isFinite(audio.duration) && !isNaN(audio.duration)) {
        setAudioDuration(audio.duration)
      } else {
        setAudioDuration(duration || 0)
      }
      setIsLoading(false)
    }

    const handleTimeUpdate = () => {
      if (audio.currentTime && isFinite(audio.currentTime) && !isNaN(audio.currentTime)) {
        setCurrentTime(audio.currentTime)
      }
    }

    const handleEnded = () => {
      setIsPlaying(false)
      setCurrentTime(0)
    }

    const handleCanPlay = () => {
      setIsLoading(false)
    }

    const handleLoadStart = () => {
      setIsLoading(true)
    }

    const handleError = () => {
      console.error('Audio loading error')
      setIsLoading(false)
      setIsPlaying(false)
    }

    audio.addEventListener('loadedmetadata', handleLoadedMetadata)
    audio.addEventListener('timeupdate', handleTimeUpdate)
    audio.addEventListener('ended', handleEnded)
    audio.addEventListener('canplay', handleCanPlay)
    audio.addEventListener('loadstart', handleLoadStart)
    audio.addEventListener('error', handleError)

    return () => {
      if (audio) {
        audio.removeEventListener('loadedmetadata', handleLoadedMetadata)
        audio.removeEventListener('timeupdate', handleTimeUpdate)
        audio.removeEventListener('ended', handleEnded)
        audio.removeEventListener('canplay', handleCanPlay)
        audio.removeEventListener('loadstart', handleLoadStart)
        audio.removeEventListener('error', handleError)
        audio.pause()
      }
    }
  }, [audioUrl, duration])

  const togglePlayPause = () => {
    const audio = audioRef.current
    if (!audio) return

    if (isPlaying) {
      audio.pause()
      setIsPlaying(false)
    } else {
      audio.play().then(() => {
        setIsPlaying(true)
      }).catch((error) => {
        console.error('Error playing audio:', error)
        setIsPlaying(false)
      })
    }
  }

  const formatTime = (time: number) => {
    if (isNaN(time) || !isFinite(time) || time < 0) return '0:00'
    const minutes = Math.floor(time / 60)
    const seconds = Math.floor(time % 60)
    return `${minutes}:${seconds.toString().padStart(2, '0')}`
  }

  const getProgress = () => {
    if (!audioDuration || audioDuration === 0 || isNaN(audioDuration) || !isFinite(audioDuration)) return 0
    if (!currentTime || isNaN(currentTime) || !isFinite(currentTime)) return 0
    return Math.min((currentTime / audioDuration) * 100, 100)
  }

  return (
    <div className={`flex items-center space-x-4 p-3 rounded-lg min-w-[200px] max-w-sm ${
      isCurrentUser 
        ? 'bg-blue-500/20 border border-blue-500/30' 
        : 'bg-white/10 border border-white/20'
    }`}>
      {/* Кнопка воспроизведения */}
      <Button
        onClick={togglePlayPause}
        disabled={isLoading}
        variant="ghost"
        size="sm"
        className={`p-2 rounded-full ${
          isCurrentUser 
            ? 'text-blue-300 hover:text-blue-200 hover:bg-blue-500/30' 
            : 'text-white hover:text-white/80 hover:bg-white/20'
        }`}
      >
        {isLoading ? (
          <div className="w-4 h-4 border-2 border-current border-t-transparent rounded-full animate-spin" />
        ) : isPlaying ? (
          <Pause className="h-4 w-4" />
        ) : (
          <Play className="h-4 w-4" />
        )}
      </Button>

      {/* Визуализация волны / прогресс бар */}
      <div className="flex-1 space-y-2">
        <div className="flex items-center space-x-3">
          <Volume2 className={`h-3 w-3 ${
            isCurrentUser ? 'text-blue-300' : 'text-white/60'
          }`} />
          <div className="flex-1 h-1 bg-white/20 rounded-full overflow-hidden">
            <div 
              className={`h-full transition-all duration-300 ${
                isCurrentUser ? 'bg-blue-400' : 'bg-white/60'
              }`}
              style={{ width: `${getProgress()}%` }}
            />
          </div>
        </div>
        
        {/* Время */}
        <div className="flex justify-between items-center text-xs">
          <span className={`${isCurrentUser ? 'text-blue-300/70' : 'text-white/50'} min-w-[2rem]`}>
            {formatTime(currentTime)}
          </span>
          <span className={`${isCurrentUser ? 'text-blue-300/70' : 'text-white/50'} min-w-[2rem] text-right`}>
            {formatTime(audioDuration)}
          </span>
        </div>
      </div>
    </div>
  )
} 