/**
 * combine two sounds together into a third sound object
 * 
 * the first sound will be broken into three parts
 * the final sound object will contain
 *     part 1 of the first sound
 *     the second sound
 *     part 2 of the first sound
 *     the second sound (again)
 *     part 3 of the first sound
 *
 * @author Pat Troy: troy AT uic DOT edu
 */


import java.util.*;
import java.awt.*;
import java.io.*;

public class Lect49d
{
  public static void main(String[] args)
  {
    // Prompt the user for two sound files
    String fileName = FileChooser.pickAFile();
    Sound s1 = new Sound (fileName);
    fileName = FileChooser.pickAFile();
    Sound s2 = new Sound (fileName);
    
    // calculate the length for the final, combined sound
    double s1seconds = s1.getLength() / s1.getSamplingRate() ;
    System.out.println ("S1 has a calculated length (in seconds) of: "  + s1seconds);
    double s2seconds = s2.getLength() / s2.getSamplingRate() ;
    System.out.println ("S2 has a calculated length (in seconds) of: "  + s2seconds);
    double s3seconds = s1seconds + (2 * s2seconds);
    System.out.println ("S3 needs seconds of sound: "  + s3seconds);
    System.out.println ((int) Math.ceil(s3seconds) );
    Sound s3 = new Sound ( (int) Math.ceil(s3seconds)  * 22100);  // 22,100 samples per second
    double s3seconds2 = s3.getLength() / s3.getSamplingRate() ;
    System.out.println ("S3 has X samples "  + s3.getLength() );
    System.out.println ("S3 has a calculated length (in seconds) of: "  + s3seconds2);
    
    
    // put the sound file into an array format
    SoundSample[] ss1array = s1.getSamples();
    SoundSample[] ss2array = s2.getSamples();
    SoundSample[] ss3array = s3.getSamples();
    
    int index, s3index;
    SoundSample ss, ss3;
    
    s3index = 0;
    
    // copy the first third of ss1
    for (index = 0; index < ss1array.length/3 ; index++)
      {
       // get the numeric value at the sample
       ss = ss1array[index];
       int samp =  ss.getValue() ;
       
       //get the SoundSample where this value will be stored
       ss3 = ss3array[s3index];
       ss3.setValue (samp);
       ss3array[s3index] = ss3;   
       s3index++;
    }
    
    // copy ss2
    for (index = 0; index < ss2array.length ; index++)
      {
       // get the numeric value at the sample
       ss = ss2array[index];
       int samp =  ss.getValue() ;
       
       //get the SoundSample where this value will be stored
       ss3 = ss3array[s3index];
       ss3.setValue (samp);
       ss3array[s3index] = ss3;   
       s3index++;
    }
    
    // copy the second third of ss1
    for (index = ss1array.length/3 ; index < 2*ss1array.length/3 ; index++)
      {
       // get the numeric value at the sample
       ss = ss1array[index];
       int samp =  ss.getValue() ;
       
       //get the SoundSample where this value will be stored
       ss3 = ss3array[s3index];
       ss3.setValue (samp);
       ss3array[s3index] = ss3;   
       s3index++;
    }
    
    // copy ss2
    for (index = 0; index < ss2array.length ; index++)
      {
       // get the numeric value at the sample
       ss = ss2array[index];
       int samp =  ss.getValue() ;
       
       //get the SoundSample where this value will be stored
       ss3 = ss3array[s3index];
       ss3.setValue (samp);
       ss3array[s3index] = ss3;   
       s3index++;
    }
    
    // copy the last third of ss1
    for (index = 2*ss1array.length/3; index < ss1array.length ; index++)
      {
       // get the numeric value at the sample
       ss = ss1array[index];
       int samp =  ss.getValue() ;
       
       //get the SoundSample where this value will be stored
       ss3 = ss3array[s3index];
       ss3.setValue (samp);
       ss3array[s3index] = ss3;   
       s3index++;
    }
    
       

    
    System.out.println("Before Play");
    //s1.play();
    s3.explore();
    System.out.println("After Play");
    
  }
  

  
  
}