using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class VoiceFileAdjuster : MonoBehaviour {
	AudioClip clip;
	string voiceFilePath;
	public MinMaxSlider minMaxSlider;

	void Start() {
        //string path = "c:\\kc\\recTest_"+i+".wav";
        //voiceFilePath = "\\" + LoaderScript.SP.instructorXMLPath.Replace (".xml", ".wav");//something happen maybe
        StartCoroutine(GetAudioClipFromFile());
		//test if createOffsetClip is working
		//		clip = createOffsetAudioClip (clip, 5.8f); //offset by 6 seconds
		string[] parts = voiceFilePath.Split('\\');
		clip.name = parts[parts.Length - 1];

	}
    IEnumerator GetAudioClipFromFile()
    {
        voiceFilePath = Application.dataPath + @"/../KinectCoachAlbum/" + voiceFilePath;//FullPathOfWavFiles
        WWW www = new WWW("file://" + voiceFilePath);
        yield return new WaitForEndOfFrame();

        clip = www.GetAudioClip();
        Debug.Log(clip.length);
        Debug.Log(clip.samples);
    }

    public void createOffsetAudioClip()
	{
		//create audio clip that skip offset period.
		float lengthL = clip.length;  //in seconds
		float samplesL = clip.samples;

		float offset = ( (float)minMaxSlider.minFrameValue/(float)minMaxSlider.getTotalFrame()) * samplesL;
		if (offset > 0.0f) {
			float[] smpl = new float[((int)(samplesL - offset))];
			AudioClip newAudioClip = AudioClip.Create ("cutclip", (int)(samplesL - offset),
			                                           clip.channels, clip.frequency, false);
			clip.GetData(smpl, (int)(offset));  //Pull the data from the clip with an offset of seconds.  We devide by the time per second to actually offset by a perfect 20 seconds instead of something shorter or longer.
			newAudioClip.SetData (smpl, 0); //We pulled the data from the original with an offset of 20 seconds, now we apply it to the new with no offset, making this audio clip 20 seconds ahead of the original.
            Debug.Log(voiceFilePath);
			SavWav.Save (voiceFilePath, newAudioClip);
		}
	}
}