#include "..//..//get//header.h"
#include "..//..//sequenze//sequenze.h"
#include "..//..//wav//wav.h"

#include "..//..//effetti//effetti.h"

#include <windows.h>



int main()
{

   int Fs = 44100, T = 500, mods = 10, i,n;

   double m = 0.1, l = 0.1, L = l * Fs / (sqrt(T/(m/l))), mod = 0.01;


   vector<double> x(44100*3,0.0), y(44100*3,0.0), a(44100*3,0.0);


	for(i = 0; i < (int)ceil(L); i++)
		x[i] = (2*(double)rand()/RAND_MAX - 1)/2;



	// Linea di ritardo frazionaria variabile con interpolazione di lagrange

    corda_lagrange E((int)L*(1+mod) +1);

    double d = L;

    double res =0;

    for(n=0;n< x.size(); n++)
	{

      a[n] = x[n] +  res*0.995;

      if(n==0)
         y[n] = a[n]/2;
         else y[n] = 0.5 * (a[n] + a[n-1]);


      res = E.var_lagrange(y[n], d);

      d = L * ( 1 + mod * sin(n/(mods*L)));
	}



    string strName = "x.txt";

    DSP_File<double,double> out_file_X(strName);

    out_file_X.write(y);
    out_file_X.close();

	//system("..\\..\\gnuplot\\wgnuplot.exe");



	// Salvataggio file wav

    double sampleRate = 44100;
    unsigned int bitsPerSample = 16;
    unsigned int channels = 1;

   // Oggetto WAV di output

	WAV_OUT outfile(sampleRate, bitsPerSample, channels);


	 char str_write_char[10];

     printf("Inserisci il nome del file sonoro di output (.wav): ");

   	 scanf("%s", str_write_char);


	for(i=0; i < y.size(); i++) {outfile.write_current_output(((65536.0 / 2.0) - 1.0)*y[i]);}

    outfile.save_wave_file(str_write_char);


//	PlaySound(str_write_char, NULL, SND_FILENAME|SND_LOOP);


	return 0;


}