#include<iostream.h>
#include<conio.h>
#include<string.h>
#include<fstream.h>

class passdetails
{
    public:
      char sex[20],firstname[20],lastname[20],timing[10];
      int day,month,year,age;
      static int cost;
      
     
      void getpassdetails();
      void showpassdetails();
};

int passdetails::cost=0;// declaration of static var
void passdetails::getpassdetails()
{
     fflush(stdin);
     cout<<"Fill in the following pass details as displayed on the screen:";
     cout<<"\nFirst Name:";
     cin>>firstname;
     cout<<"Last Name:";
     cin>>lastname;
     fflush(stdin);
     cout<<"Sex(male/female) in small letters only:";
     cin>>sex;
     cout<<"Age:";
     cin>>age;
     if(age>=6)
     cost+=1500;
     else
     cost+=500;
     cout<<"Date:";
     cout<<"\nDay:"<<day;
     cout<<"Month:"<<month;
     cout<<"Year:"<<year;
     cout<<"Time of validity of pass(morning 9am-11am /afternoon 1pm-3pm /evening 5pm-7pm):"<<timing;
     
     
}

void passdetails::showpassdetails()
{     
     cout<<"\n                            TEMPLE PASS                 ";
     cout<<"\nFirst Name:"<<firstname;
     cout<<"\nLast Name:"<<lastname;
     cout<<"\nSex:"<<sex;
     cout<<"\nAge:"<<age;
     cout<<"\nDate:"<<day<<"/"<<month<<"/"<<year;
     cout<<"\nTiming:"<<timing;
     if(timing=="morning")
     cout<<" (9am-11am)";
     if(timing=="afternoon")
     cout<<" (1pm-3pm)";
     else
     cout<<" (5pm-7pm)";
}

    class reserve 
    {
          public:
          int n1,day2,month2,year2;
          char timing2[10];
          void resdetails()
          {
               cout<<"\nEnter the date of pass needed:";
               cin>>day2>>month2>>year2;
               cout<<"Enter the timing:";
               cin>>timing2;
               cout<<"Enter the no of passes needed:";
               cin>>n1;
          }
    };
int main()
{
     int counter=0;
    char ch='y';
    int choice;
    while(ch=='y')
    {
                  cout<<"\nTo reserve(1), to cancel (2), to enquire (3), to exit(4):";
                  cin>>choice;
                  switch(choice)
                  {
                                case 1:
                                     
   {
    passdetails p1;
  
    int n=1000;
    reserve r1;
    r1.resdetails();
    ifstream f1("res.dat",ios::in);
    f1.seekg(ios::beg);
    if(counter!=0)
    {
    while(!f1.eof())
    {
    f1.read((char *)&p1,sizeof(p1));
    if((r1.day2==p1.day)&&(r1.month2==p1.month)&&(r1.year2==p1.year))
    {
    if(strcmp(r1.timing2,p1.timing)==0)
         {
                                       n=n-1;
         }
    }
    }
}

    if(n>=r1.n1)
    cout<<"\nThe no of available tickets for that day and time are:"<<n;
    cout<<"\nThis no of passes are available to be booked congrats:\n";
    f1.close();
    
    fstream f2;
    f2.open("res.dat",ios::in|ios::out|ios::app);
    while(r1.n1!=0)
    {
         counter++;
         p1.day=r1.day2;
         p1.month=r1.month2;
         p1.year=r1.year2;
         strcpy(p1.timing,r1.timing2);
         p1.getpassdetails();
         f2.write((char *)&p1,sizeof(p1));
         r1.n1--;
    }
    f2.close();
    cout<<"\nDo u want to do something else:(y/n)";
    cin>>ch;
    break;
}
    case 2:
         {
         break;
         }
         case 3:
              {
              break;
              }
         }
         }
    getch();
    return 0;
    
}
    

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