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

main()
{
  clrscr();

  int m=0;

  char NAME[10] ;  int spec=0;  char c;   int counter1=0,counter2=0;

  int NO[10]; int n=0; int CONTINUE;

  char mail[40];

  int No1 = 0,IND=0; // to count number of entered @

  int No2 [40]; //to enter the . indices

  int l=0; // used to insert the indices of .

  int counts =0; // used to count the number of . after @

  char verify;

 struct Employee
{

char NAME[3][10];

char NO[3][10];

char mail[3][40];

};

struct Employee E ;


  /* INTIALIZE MY ARRAYS*/

start:


for(int f=0;f<10;f++)

E.NAME[m][f]='\0';


for(f=0;f<=39;f++)
E.mail[m][f]='\0';

for(f=0;f<40;f++)
No2[f]=0;


 /* process for entering the name */

 printf("\tthe user name must not be excessed 10 charachter to avoid truncation\t\n ");

 m1:

 printf("\nEnter user name:\t");

 for (int i=0; i< 10; i++)
	{
	   c=getche();

	     spec= c;
//             printf("%f",spec);

	   if (spec == 13)
	      {
		break;

	      }

	   else
	   {
		if ((spec >= 65) && (spec<= 90) || spec==32 )
		{

		E.NAME[m][i]=c;counter1++;

		}

		else
		{
		  printf("\nYOU MUST ENTER CAPITAL CHARACHTERS ONLY");
		  goto m1;
		}



	   }
	}

	if(counter1<5)

	{

	 clrscr();

	 printf("Name sould be mre than 5 charachters"); goto m1;

	}
	 spec=0;


	 if(CONTINUE != 0)

	 goto  place;

/* process for entering the data */

 m2:


 printf("\n Enter the employee phone No\t");

 for (int r=0;r<10;r++)

 {


     c=getche();

	     spec= c;

    if (spec == 13)   // Exit if user enter 'Enter button'
	      {
	       break;


	      }
	   else
	   {
		if ((spec >= 48) && (spec<= 57))

		{ E.NO[m][r]=spec-48;  counter2++; }

		else
		{
		  printf("\n Invalid phone number");
		  goto m2;
		}



	    }


 }

 if(counter2<5) // test if the user enter a phone number less than 5 Nos
	{

	 clrscr();

	 printf("\nYou must enter a phone nuumber that not less than 5 numbers "); goto m2;

	}





	spec=0;


	if(CONTINUE != 0)

	 goto  verif;

 //   process to enter and check entered mail

  m3:


   printf("\n Enter the email:");


   counts=0;
   No1=IND=0;






   for(i=0;i<40;i++)
   {


     c=getche();

	     spec= c;

	  if (spec == 13)   // Exit if user click 'Enter button'
	      {
	       break;


	      }
	   else
	   {

		if(spec==64)// detect @ location and indecis
		{
		 E.mail[m][i]=c; No1++; IND=i;


		}

		else if(spec==46) // detect dots location
		 {
		   E.mail[m][i]=c; No2[l]=i; l++;


		 }
		 else if ((spec>=48)&&(spec<=57))  E.mail[m][i]=c;
		 else if ((spec>=65)&&(spec<=90))   E.mail[m][i]=c;
		 else if((spec>=97)&&(spec<=122)|| spec ==95 ) E.mail[m][i]=c;

		else
		{
		  printf("\n Email not contain special charachters reinput it ");


		  No1=0;
		  l=0; counts =0;
		  goto  m3;
		}



	    }
      }

	 // test the format [email]xxXX12_.AS@xxx.xx.xx[/email]

	  if ((No1>1)||No1==0)
	  {
	     printf("\n email should contain one @ charachter");

	     goto m3;

	  }

	  else
	  {
	      for(int x =0,l; x< 40 ; x++)
	      {

	       if((No2[x]>IND)&&(No2[x]-IND !=1))

	       counts++;

	       }

	       if(counts ==0)

	       {

	       printf("\n it must have at least one . after @ separated by one charachter");

	       goto m3;

	       }


	  }

		 if(CONTINUE != 0)


	 goto place;


 printf("\t YOU NOW ENTERED THE FOLLOWING DATA :");

 printf("\nEmployee Name:\t");

 for(int d=0;d<10;d++)

 printf("%c",E.NAME[m][d]);



 printf("\nEmployee phone number:\t");
 for(d=0;d<counter2;d++)
 printf("%i",E.NO[m][d]);


 printf("\nEmployee e-mail:\t");
 for( d=0;d<40;d++)
 printf("%c",E.mail[m][d]);

 place:

	printf("\nClick M to modify this date, or N to continue enter the othe employee data"); char vreify=getche();

	switch(vreify)
	{
	case 'N':
	{
	CONTINUE =0;
	 if (m<3)
	 m++;
	 goto start;


	}
	case 'M':
	{


	s:
	  printf("\nselect which feild you wanna change? \n\tselect 1 for modifying name, 2 for modifying phone No,3 for modifying e-mail,or -1 to exit  ");

	  scanf("%i",&CONTINUE);

	  switch(n)
	  {
	  case 1:
	  goto m1;
	  case 2:
	  goto m2;
	  case 3:
	  goto m3;
	  case -1:
	  break;
	  default: printf("\nWrong selection"); goto s;

	  }

	}



	case 'e':
	break;

       default:
	{
	 printf("\nInvalid charachter");

	 goto place;
	}
     }


getch();return 0;

}