using System;
using Crosstales.Radio.Util;
using UnityEngine;

namespace Crosstales.Radio.Tool
{
	[RequireComponent(typeof(AudioSource))]
	[HelpURLAttribute("https://www.crosstales.com/media/data/assets/rtvoice/api/class_crosstales_1_1_r_t_voice_1_1_tool_1_1_loudspeaker.html")]
	public class Loudspeaker : MonoBehaviour
	{
		[Tooltip("Origin Player.")]
		public BasePlayer Player;

		[Tooltip("Silence the origin (default: true).")]
		public bool SilenceSource = true;

		private AudioSource audioSource;

		private bool stopped = true;

		private long dataPosition;

		public bool isSilenceSource
		{
			get
			{
				return SilenceSource;
			}
			set
			{
				SilenceSource = value;
			}
		}

		public void Awake()
		{
			audioSource = GetComponent<AudioSource>();
			audioSource.playOnAwake = false;
			audioSource.Stop();
		}

		public void Start()
		{
			if (Player == null)
			{
				Debug.LogWarning("No 'Player' added to the Loudspeaker!");
			}
			else
			{
				Player.isCaptureDataStream = true;
			}
		}

		public void Update()
		{
			if (Player != null && Player.isAudioPlaying)
			{
				if (stopped)
				{
					stopped = false;
					dataPosition = Player.DataStream.Position;
					AudioClip clip = AudioClip.Create(Player.RadioStation.Name, int.MaxValue, Player.Channels, Player.SampleRate, true, readPCMData);
					audioSource.clip = clip;
					audioSource.Play();
					if (SilenceSource)
					{
						Player.Silence();
					}
				}
			}
			else if (!stopped)
			{
				audioSource.Stop();
				audioSource.clip = null;
				stopped = true;
			}
		}

		public void OnDisable()
		{
			audioSource.Stop();
			audioSource.clip = null;
			stopped = true;
		}

		private void readPCMData(float[] data)
		{
			if (Player.isAudioPlaying && Player.DataStream != null)
			{
				byte[] array = new byte[data.Length * 2];
				long position = Player.DataStream.Position;
				Player.DataStream.Position = dataPosition;
				int num;
				if ((num = Player.DataStream.Read(array, 0, array.Length)) > 0)
				{
					float[] src = Helper.ConvertByteArrayToFloatArray(array, num);
					Buffer.BlockCopy(src, 0, data, 0, data.Length * 4);
					dataPosition += num;
				}
				Player.DataStream.Position = position;
			}
			else
			{
				Buffer.BlockCopy(new float[data.Length], 0, data, 0, data.Length * 4);
			}
		}
	}
}