#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/*struct music
{
    char note[2];
    int freq;
};*/


int findfrequency(char * note);
void playMusic(char * music);



void main()
{

    /*struct music array[15];*/




    /*char * notes[15];
    int freq[15];


    notes[0]="D";
    notes[1]="E";
    notes[2]="F";
    notes[3]="G";
    notes[4]="A";
    notes[5]="B";
    notes[6]="c";
    notes[7]="d";
    notes[8]="e";
    notes[9]="f";
    notes[10]="g";
    notes[11]="a";
    notes[12]="b";
    notes[13]="c'";
    notes[14]="d'";

    freq[0]=294;
    freq[1]=330;
    freq[2]=370;
    freq[3]=392;
    freq[4]=440;
    freq[5]=494;
    freq[6]=554;
    freq[7]=587;
    freq[8]=659;
    freq[9]=740;
    freq[10]=784;
    freq[11]=880;
    freq[12]=988;
    freq[13]=1109;
    freq[14]=1175;

    int curFreq;
    char * curNote;

    printf("Enter note: ");
    scanf("%s", curNote);

    curFreq= findfrequency(curNote);

    if(curFreq==1)
        printf("Invalid Note\n");

    else
        printf("\n The frequency of that note is %d", curFreq);
    */

    char * music1 = "DEFGABcd";
    char * music2 = "D2E2F3GABcd";
    char * music3 = "defgabc'd'";
    printf("%s\n", music1);
    playMusic(music1);
    printf("%s\n", music2);
    playMusic(music2);
    printf("%s\n", music3);
    playMusic(music3);
    getchar();



    getchar();
}//end main


int findfrequency(char *note) //part 2
{
    printf("%s", note);

    int freq[15];
    int i;
    char *notes[15];
    freq[0]=294;
    freq[1]=330;
    freq[2]=370;
    freq[3]=392;
    freq[4]=440;
    freq[5]=494;
    freq[6]=554;
    freq[7]=587;
    freq[8]=659;
    freq[9]=740;
    freq[10]=784;
    freq[11]=880;
    freq[12]=988;
    freq[13]=1109;
    freq[14]=1175;

    notes[0]="D";
    notes[1]="E";
    notes[2]="F";
    notes[3]="G";
    notes[4]="A";
    notes[5]="B";
    notes[6]="c";
    notes[7]="d";
    notes[8]="e";
    notes[9]="f";
    notes[10]="g";
    notes[11]="a";
    notes[12]="b";
    notes[13]="c'";
    notes[14]="d'";

    for(i=0;i<15;i++)
    {
        int match;

        match= strcmp(note, notes[i]);

        if(match==0)
        {
            return freq[i];
        }
    }
    return 1;

}//end find freq


void playMusic(char * music) //part 3
{
    int freq;
    int i=0;
    int len = 0;
    int j=0;
    int compare;


    char *nums[9];  //array of the numbers, i.e the duration
    nums[0]="1";
    nums[1]="2";
    nums[2]="3";
    nums[3]="4";
    nums[4]="5";
    nums[5]="6";
    nums[6]="7";
    nums[7]="8";
    nums[8]="9";


        while(i!=NULL)
        {
            while(j!=NULL)
            {
                compare=strcmp(music+i, nums[j]);  //compare current music note or duration with the number array

                if(compare==0)
                {
                    printf("\t%s", nums[j]);  //if its a number then print that number
                }//end if

                else
                {
                    freq=findfrequency(music+i);    //otherwise call findfrequency() and print that
                    printf("%d", freq);
                }//end else

                j++;
            }//end inner fo
            i++;
        }//end for
}