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

#include<string.h>
void chkout()
{
 FILE *cin,*fdptr,*exptr,*chkout,*temp,*uproom;
 CUST c,t;
 FOOD fd;
 EXPENSE ex;
 ROOM rm;
 fpos_t pos;
 char number[10];
 float f=0.0,l=0.0,tr=0.0,total=0.0;
 int ndays=10;
 cin=fopen("c:\\hotel\\database\\checkin.dat","rb");
 fdptr=fopen("c:\\hotel\\database\\food.dat","rb");
 exptr=fopen("c:\\hotel\\database\\Expense.dat","rb");
 uproom=fopen("c:\\hotel\\database\\roomdet.dat","rb+");
 chkout=fopen("c:\\hotel\\database\\checkout.dat","ab+");
 clrscr();
 panel();
 statusbar("Record View of Customer ");
 gotoxy(6,6);
 printf("Enter the Customer ID :-> ");
 scanf("%s",number);
 while((fread(&c,sizeof(c),1,cin))==1)
 {
  if(strcmpi(c.cid,number)==0)
  {
   while(fread(&fd,sizeof(fd),1,fdptr)==1)
   {
    if(strcmpi(fd.cid,number)==0)
      f=f+fd.bfast+fd.lunch+fd.dinner+fd.misc;
   }
   while(fread(&ex,sizeof(ex),1,exptr)==1)
   {
    if(strcmpi(ex.cid,number)==0)
     {
      tr=tr+ex.tchrg;
      l=l+ex.lchrg;
      }
   }
   total=l+f+tr;
   gotoxy(6,6);
   textcolor(YELLOW);
   cprintf("Customer ID   : %-10s           ",c.cid);
 //  printf("%10s",c.cid);
   gotoxy(6,8);
   cprintf("Name          : ");
   printf("%s",c.name);
   gotoxy(6,10);
   cprintf("Address       : ");
   printf("%s",c.addr);
   gotoxy(6,12);
   cprintf("Room No.      : ");
   printf("%d",c.rno);
   gotoxy(6,14);
   cprintf("Room Type     : ");
   printf("%s",c.rtype);
   gotoxy(6,16);
   cprintf("Phone No.     : ");
   printf("%s",c.ph);
   gotoxy(6,18);
   cprintf("Check In Date : ");
   printf("%d/%d/%d",c.cin.da_day,c.cin.da_mon,c.cin.da_year);
   gotoxy(6,20);
   getdate(&c.cout);
   cprintf("Check Out Date: ");
   printf("%d/%d/%d",c.cout.da_day,c.cout.da_mon,c.cout.da_year);
   gotoxy(40,6);
   cprintf("Advance Paid amount :: ");
   printf("%.2f",c.adv);
   gotoxy(40,8);
   cprintf("Total Food Charge   :: ");
   printf("%.2f",f);
   gotoxy(40,10);
   cprintf("Total Laundry Charge:: ");
   printf("%.2f",l);
   gotoxy(40,12);
   cprintf("Total Travel Charge :: ");
   printf("%.2f",tr);
   gotoxy(40,14);
   cprintf("Total Room Rent     :: ");
   printf("%.2f",ndays*100);
   gotoxy(40,14);
   total=c.adv-total-(ndays*100);
   if(total<0)
     printf("Amount To be Paid :-> %.2f",total*-1);
   else
     printf("Amount To be Returned:-> %.2f",total);
   while(fread(&rm,sizeof(rm),1,uproom)==1)
   {
    if(rm.no==c.rno)
    break;
   }
   rm.status=0;
   fgetpos(uproom,&pos);
   pos=pos-sizeof(rm);
   fsetpos(uproom,&pos);
   fwrite(&rm,sizeof(rm),1,uproom);
   statusbar("Check Out ");
   getch();
   fclose(uproom);
   fclose(cin);
   fclose(fdptr);
   fclose(exptr);
   fwrite(&c,sizeof(c),1,chkout);
   fclose(chkout);
   ///////////////////////////////////
   cin=fopen("c:\\hotel\\database\\checkin.dat","rb");
   fdptr=fopen("c:\\hotel\\database\\food.dat","rb");
   exptr=fopen("c:\\hotel\\database\\Expense.dat","rb");
   temp=fopen("c:\\hotel\\database\\temp.dat","wb");
   while(fread(&t,sizeof(t),1,cin)==1)
   {
    if(strcmpi(c.cid,t.cid)==0)
     continue;
    fwrite(&t,sizeof(t),1,temp);
   }
   fclose(cin);
   remove("c:\\hotel\\database\\checkin.dat");
   fclose(temp);
   rename("c:\\hotel\\database\\temp.dat","c:\\hotel\\database\\checkin.dat");
   temp=fopen("c:\\hotel\\database\\temp.dat","wb");
   while(fread(&fd,sizeof(fd),1,fdptr)==1)
   {
    if(strcmpi(c.cid,fd.cid)==0)
     continue;
    fwrite(&fd,sizeof(fd),1,temp);
   }
   fclose(fdptr);
   remove("c:\\hotel\\database\\food.dat");
   fclose(temp);
   rename("c:\\hotel\\database\\temp.dat","c:\\hotel\\database\\food.dat");

   while(fread(&ex,sizeof(ex),1,exptr)==1)
   {
    if(strcmpi(c.cid,ex.cid)==0)
     continue;
    fwrite(&ex,sizeof(ex),1,temp);
   }
   fclose(exptr);
   remove("c:\\hotel\\database\\expense.dat");
   fclose(temp);
   rename("c:\\hotel\\database\\temp.dat","c:\\hotel\\database\\expense.dat");

   /////////////////////////////////////
   return;
  }
 }
  statusbar(" Record Not Found . . . ");
  getch();
}