//programming by a. najafzadeh March 29, 2005 - 1384/01/07
#include <iostream.h>
#include <fstream.h>
#include <conio.h>
#include <stdlib.h>
#include <stdio.h>
void number_a(int);//func 1111111
void give_no(int);//func 22222222
void list_show(int);//func 333333
void edit_name(int);//func 444444
void sort_list(int);//func 555555
void fu_ex(int);//func 6666666666
void deldel(int);//func 777777777
void back_up1(int);//func 8888888
void del_nrecord(int);//func 9999
//starting struct 1**1*1*1*11**1**11*1**1*1*1*1*1**1*1*1*
struct stmy{
	char name[20];
   long int stno;
   }stu ;
//end of struct 1**1*1*1*11**1**11*1**1*1*1*1*1**1*1*1*1*
int main()
{
	int cin_num;
   number_a(cin_num);//func 11111
   getch();
return 0;
}
//func 1111111111111111111111111111111111111111111111111111111111111111111111111
void number_a(int num)
{
   while(num < 1 || num > 8)
   	{
         textbackground(1);
         clrscr();
         cout<<"what do you want to do now?\n";
      	cout<<"you can just enter numbers 1,2,3,4,5,6,7\n";
         cout<<"1 = for enter new name to list\n2 = see the complete list\n";
         cout<<"3 = for editing one record\n4 = for sorting the list\n";
         cout<<"5 = for delleting one record\n";
         cout<<"6 = for giving backup from records\n";
         cout<<"7 = for delleting n records from list:\n";
         cout<<"8 = exit from program\nenter one nuber\n";
			cin>>num;
      }
   if(num == 1)
       give_no(num);//func 2222222222
   else if(num == 2)
   	list_show(num);//func 333333333
	else if(num == 3)
   	edit_name(num);//func 444444444
	else if(num == 4)
   	sort_list(num);//func 555555555
   else if(num == 5)
      deldel(num);//func 777777777777
   else if(num == 6)
   	{
      	num = 0;
         back_up1(num);//func 8888888
      }
   else if(num == 7)
      del_nrecord(num);//func 9999999
   else if(num == 8)
      fu_ex(num);//func 6666666666666

}
//func 2222222222222222222222222222222222222222222222222222222222222222222222222
void give_no(int num)
{
  char *al , ss;
  long int row = 3 , a = 0 , co_num = 0 , n = 1 , co_num1 = 0, i;
  al = new char[a];
  char ali[5] = "exit";
  clrscr();
  cout<<"name            stname       \n";
  cout<<"=============================\n";
  ofstream as("bop/asd.txt" , ios::app);
  		if(!as)
      	{
         	cout<<"file not found";
            getch();
            exit(0);
         }
  while(1)
  		{
      	gotoxy(1 , row); cin>>stu.name;/*refer to struct stmy*/
            if(strcmp(stu.name , ali) == 0)
               break;

         gotoxy(17 , row);
  //***************************************************************************
  while(ss = cin.get() , ss != '!')
   	{
         if(!((int)ss < 48 || (int)ss > 57 || ss == ' '))
         	{
            	al[a] = ss;
      			a++;
            }

      }
   sss: for(i = a-1; i >= 0; i--)
     	{
      	co_num = (((int)al[i]) - 48);
         co_num =  co_num * n;
         co_num1 += co_num;
         n *= 10;
      }
   a = 0;
   n = 1;
   stu.stno = co_num1;
   co_num = 0; co_num1 = 0;
	//***************************************************************************
         as.write((char *) &stu , sizeof(struct stmy));
         row++;
         stu.stno = 0;
      }


  as.close();
  num = 0;
  number_a(num);
}
//func 3333333333333333333333333333333333333333333333333333333333333333333333333
void list_show(int num)
{
   int row = 3; clrscr();
   char fff;
	ifstream as1("bop/asd.txt");
   	if(!as1)
      	{
         	cout<<"file not found";
            getch();
            exit(0);
         }
   cout<<"name            stname       \n";
   cout<<"=============================\n";
   while(as1.read((char *) &stu , sizeof(struct stmy)))
   	{
         if(row == 45)
             {
               gotoxy(1 , 25);
               cout<<"press any key to see next page";
               getch();
               clrscr();
               gotoxy(1 , 1); cout<<"name            stname       \n";
   				gotoxy(1 , 2); cout<<"=============================\n";
               row = 3;
             }
         if(row > 23)
            {
               gotoxy( 30 , 1); cout<<"name            stname       \n";
               gotoxy( 30 , 2); cout<<"=============================\n";
            	gotoxy( 30 , row - 21); cout<<stu.name;
               gotoxy( 45 , row - 21); cout<<stu.stno;
               row++;
               continue;
            }

         gotoxy( 1 , row); cout<<stu.name;
         gotoxy(15 , row); cout<<stu.stno;
         row++;
      }
   as1.close();
   gotoxy(1 , 24);
   cout<<"file opened. type r and press enter for return to main menue";
   cin>>fff;
   num = 0;
   number_a(num);
}
//func 4444444444444444444444444444444444444444444444444444444444444444444444444
void edit_name(int num)
{
   char *all , ss , nam2[20];
   long int  a = 0 , co_num = 0 , n = 1 , co_num1 = 0, i ;
   int row = 3; clrscr();
   all = new char[a];
	ifstream as("bop/asd.txt");
   ofstream al("bop/temp.txt");
   	if(!as || !al)
         {
         	cout<<"file  not found";
            getch();
            exit(1);
         }
   cout<<"enter one name to edit";
   cin>>nam2;
   while(as.read((char *) &stu , sizeof(struct stmy)))
   	{
      	if(strcmp(stu.name , nam2) == 0)
         	{
                clrscr();
                cout<<"name            stname       \n";
                cout<<"=============================\n";
                gotoxy( 1 , row); cin>>stu.name;

//**##@@@@****$$$$###@@@@@**##@@@@****$$$$###@@@@@**##@@@@****$$$$###@@@@@**##@^
                gotoxy(15 , row);
    while(ss = cin.get() , ss != '!')
   	{
         if(!((int)ss < 48 || (int)ss > 57 || ss == ' '))
         	{
            	all[a] = ss;
      			a++;
            }

      }
   sss: for(i = a-1; i >= 0; i--)
     	{
      	co_num = (((int)all[i]) - 48);
         co_num =  co_num * n;
         co_num1 += co_num;
         n *= 10;
      }
   a = 0;
   n = 1;
   stu.stno = co_num1;
   co_num = 0; co_num1 = 0;
//**##@@@@****$$$$###@@@@@**##@@@@****$$$$###@@@@@**##@@@@****$$$$###@@@@@**##@^


            }
          al.write((char *) &stu, sizeof(struct stmy));
      }

   as.close();
   al.close();
   remove("bop/asd.txt");
   rename("bop/temp.txt" , "bop/asd.txt");
   num = 2;
   number_a(num);
}
//func 5555555555555555555555555555555555555555555555555555555555555555555555555
void sort_list(int num)
{
  long int num3 = 0 , kod = 0 ,  kod3 = 0 , sub1 = 0 , f_lo2 = 0 , f_lo = 0 , end = 0;

   loop1: clrscr();
   num3 = 0;
   ifstream as("bop/asd.txt");
   ofstream so("bop/sorting.txt" , ios::app);
   ofstream te("bop/temp.txt");
   	if(!as || !so || !te)
      	{
         	cout<<"file not found";
            getch();
            exit(0);
         }
   while(as.read((char *) &stu , sizeof(struct stmy)))
       {
         kod3++;
         if(stu.stno > num3)
         	{
            	num3 = stu.stno;
            	kod = kod3;

            }

       }
   f_lo++;
   	if(f_lo == 1)
        f_lo2 = kod3;
   kod3 = 0;
   as.close();//kod = shomarandeie line big number

   ifstream as1("bop/asd.txt");//rikhtan dar temp bedoone big(contor = sub1 gias ba kod)
   	if(!as1)
      	{
      		cout<<"file not found";
            getch();
            exit(0);
         }
   while(as1.read((char *) &stu , sizeof(struct stmy)))
   	{
        sub1++;
        		if(sub1 == kod)
            	continue;
        te.write((char *) &stu , sizeof(struct stmy));
      }
   as1.close(); te.close(); sub1 = 0;//dar temp rikhte shod bedoone big

   ifstream as2("bop/asd.txt");
   	if(!as2)
          {
      		cout<<"file not found";
            getch();
            exit(0);
         }
   while(as2.read((char *) &stu , sizeof(struct stmy)))
   	{
        sub1++;
        if(sub1 == kod)
          	so.write((char *) &stu , sizeof(struct stmy));
      }
   sub1 = 0;
   so.close(); as2.close();
   remove("bop/asd.txt");
   rename("bop/temp.txt" , "bop/asd.txt");
   end++;
   cout<<end <<"= end:";
   if(end == f_lo2)
   	goto loop2;
   else goto loop1;
   loop2: cout<<f_lo2 <<'\n';
   cout<<num3<<"*   ";
   remove("bop/asd.txt");
   rename("bop/sorting.txt" , "bop/asd.txt");
   getch();
	num = 2;
   number_a(num);
}
//func 6666666666666666666666666666666666666666666666666666666666666666666666666
void fu_ex(int num)
{
   clrscr();
	num = 6;
   back_up1(num);//for giving backup from files befor compelet exit
}
//func 7777777777777777777777777777777777777777777777777777777777777777777777777
void deldel(int num)
{
   char del_name[21]; int del7 = 0; clrscr();
   cout<<"enter the name of record that you want to del . . .\n";
   cin>>del_name; clrscr();
	ifstream as("bop/asd.txt");
   ofstream al("bop/temp.txt");
   	if(!as || !al)
      	{
         	cout<<"file not found";
            getch();
            exit(0);
         }
   while(as.read((char *) &stu , sizeof(struct stmy)))
   		{
         	if(strcmp(stu.name , del_name) == 0)
            	{
                  del7++;//go 9 line down
               	continue;
               }
            al.write((char *) &stu , sizeof(struct stmy));
         }
   as.close(); al.close();
   remove("bop/asd.txt");
	rename("bop/temp.txt" , "bop/asd.txt");
	if(del7 == 0)
   	{
         clrscr();
      	cout<<"your entered record not in list";
      }
   else
   	{
      	clrscr();
         cout<<"record in file is deleted press any ke to continue";
      }   

   getch();
   num = 2;
   number_a(num);

}
//func 8888888888888888888888888888888888888888888888888888888888888888888888888
void back_up1(int num)
{
   ifstream as("bop/asd.txt");
   ofstream te("back_up/asd.bak");
   if(!as || !te)
   	{
         clrscr();
      	cout<<"back up failed";
         getch();
         exit(0);
      }
   while(as.read((char *) &stu , sizeof(struct stmy)))
   	te.write((char *) &stu , sizeof(struct stmy));
as.close(); te.close();
clrscr();
cout<<"backup = ok #/_";
if(num == 6)
  {
      cout<<"\nthankyou for using our software. . . . .";
  		cout<<"\npress anu key to exit";
      getch();
      exit(0);
  }
else
	num = 0;
cout<<"\npress anu key to return to main menu";
getch();
number_a(num);
}
//func 9999999999999999999999999999999999999999999999999999999999999999999999999
void del_nrecord(int num)
{
 char *all , ss ; int num_rec = 0;
 long int  a = 0 , co_num = 0 , n = 1 , co_num1 = 0, i , del_nu , cou_del = 0;
 all = new char[a];
 clrscr(); cout<<"how many record do you want to dellete?\nplease type number.";
//*********##############**************##############*********##############****
    while(ss = cin.get() , ss != '!')
   	{
         if(!((int)ss < 48 || (int)ss > 57 || ss == ' '))
         	{
            	all[a] = ss;
      			a++;
            }

      }
   sss: for(i = a-1; i >= 0; i--)
     	{
      	co_num = (((int)all[i]) - 48);
         co_num =  co_num * n;
         co_num1 += co_num;
         n *= 10;
      }
   a = 0;
   n = 1;
   del_nu = co_num1;
   co_num = 0; co_num1 = 0;
//*********##############**************##############*********##############****
 ifstream as("bop/asd.txt");
 	if(!as)
   	{
         clrscr();
      	cout<<"file not found. press any key to exit . . . .";
         getch();
         exit(0);
      }
 while(as.read((char *) &stu , sizeof(struct stmy)))
     num_rec++;
 as.close();
 if(num_rec < del_nu)
	{
   	clrscr();
      cout<<"your entered number sould lower than number of records";
      cout<<"\npress any key to return to main menu";
      getch();
      num = 0;
      number_a(num);
   }
 else
 	{
   	ifstream as1("bop/asd.txt");
      ofstream te1("bop/tem.txt");
      	if(!as1 || !te1)
         	{
               clrscr();
            	cout<<"file not found. press any key to exit . . . .";
               getch();
               exit(0);
            }
      while(as1.read((char *) &stu , sizeof(struct stmy)))
      		{
            	cou_del++;
               	if(cou_del > del_nu)
                  	te1.write((char *) &stu , sizeof(struct stmy));
            }
 		as1.close();
 		te1.close();
 		remove("bop/asd.txt");
 		rename("bop/tem.txt" , "bop/asd.txt");
    }
 clrscr();
 cout<<del_nu<<" records are delleted. press any key to see the complete list";
 getch();
 num = 2;
 list_show(num);
}