/**
 * Class for creating a template for a simple Java program
 * 
 * @author Pat Troy: troy AT uic DOT edu
 */

import java.awt.Color;

// Note the name of the class in the following line MUST
// match the name of the file. 
public class Lect1116c
{
  
  public static void main (String[] args) 
  {
    String fname = FileChooser.pickAFile();
    //System.out.println (fname);
    
    Sound s1 = new Sound (fname);
    
    System.out.println ("Number of samples in the sound: " + s1.getLength());
    System.out.println ("Number of samples per second: " + s1.getSamplingRate());
    
    double lengthInSeconds = s1.getLength() / s1.getSamplingRate();
   
    System.out.println ("The length in seconds of the sound: " + lengthInSeconds);
    
   
    Sound s3;
    s3 = normalizeSound (s1);
    
    s3.explore();
    
 
   
  }
  
  public static Sound normalizeSound (Sound s1)
  {
    SoundSample sampArr1[] = s1.getSamples();
    SoundSample samp1;
    int index;
    int sampVal1;
    
    int length3;
    length3 = sampArr1.length;
    
    Sound s3 = new Sound(length3);
    SoundSample sampArr3[] = s3.getSamples();
    SoundSample samp3;
    int sampVal3;
    
    double samplingRate = s1.getSamplingRate();
    int numberSamplesIn3Seconds = (int)(samplingRate * 3);
    
    // determine the volume multiplier
    double volumeMult;
    volumeMult = 1.0 / numberSamplesIn3Seconds;
    
    System.out.println ("Number of samples in the sound: " + sampArr3.length + ", " + length3);
    for ( index = 0 ; index < sampArr3.length ; index++ )
    {
      samp1 = sampArr1[index];
      sampVal1 = samp1.getValue();
      
      if ( index < numberSamplesIn3Seconds )
        sampVal3 = (int)(sampVal1 * volumeMult*index);   // normalize the sound value
      else
        sampVal3 = sampVal1;
      
      // store the new sample value into the array for s3
      samp3 = sampArr3[index];
      samp3.setValue(sampVal3);
      sampArr3[index] = samp3;
    }
    return s3;
  }
  
 
    
} // end of class