using UnityEngine;
using System;
using System.Collections.Generic;
using AX.AudioSystem;

public class MicrophoneTest : MonoBehaviour
{
    public int recordTime = 60;
    public int deviceId = 0;

    int deviceCount;
    string frequency = "8000";
    string log = "";

    public AudioSource audioRecorder;
    public AudioSource audioPlayer;

    float[] array;

    public volatile bool IsRecording;

    void Start()
    {
        audioRecorder = GetComponent<AudioSource>();
    }

    void Log(string log)
    {
        this.log += log;
        this.log += "\r\n";
    }

    void OnGUI()
    {
        deviceCount = Microphone.devices.Length;

        if (deviceCount == 0)
        {
            Log("没有发现麦克风！");
            return;
        }

        GUILayout.BeginArea(new Rect(400, 0, Screen.width - 400, 600));
        GUILayout.BeginVertical();
        GUILayout.Label("麦克风测试：");

        if (deviceCount > 0)
        {
            GUILayout.BeginHorizontal();

            GUILayout.BeginVertical();

            if (GUILayout.Button("开始录音"))
                StartRecord();

            if (GUILayout.Button("停止录音"))
                StopRecord();

            GUILayout.EndVertical();

            if (GUILayout.Button("播放"))
                PlayRecord();

            frequency = GUILayout.TextField(frequency);

            GUILayout.EndHorizontal();
        }

        GUILayout.Label(log);
        GUILayout.EndVertical();
        GUILayout.EndArea();
    }

    void StartRecord()
    {
        audioRecorder.Stop();
        audioRecorder.loop = false;
        audioRecorder.mute = true;
        audioRecorder.clip = Microphone.Start(Microphone.devices[deviceId], false, recordTime, int.Parse(frequency));

        IsRecording = true;

        Log("开始录音！");
    }

    void StopRecord()
    {
        if (!Microphone.IsRecording(Microphone.devices[deviceId]))
            return;

        var pos = Microphone.GetPosition(Microphone.devices[deviceId]);
        Microphone.End(Microphone.devices[deviceId]);

        IsRecording = false;

        array = new float[pos * audioRecorder.clip.channels];

        audioRecorder.clip.GetData(array, 0);

        var clip = AudioClip.Create("VoicePlay", pos, audioRecorder.clip.channels, audioRecorder.clip.frequency, false);

        clip.SetData(array, 0);

        audioPlayer.clip = clip;
    }

    void PlayRecord()
    {
        if (Microphone.IsRecording(Microphone.devices[deviceId]))
            return;

        if (audioRecorder.clip == null)
            return;

        if (audioPlayer.clip == null)
            return;

        audioPlayer.mute = false;
        audioPlayer.loop = false;
        audioPlayer.Play();
    }
}