/*                ONLNE TICKETING FOR SELAM BUS COMPANY
                         
*/
#include <iostream>
#include <windows.h>
#include <conio.h>  //for getch()


using std::cout;
using std::cin;
static int num= 0;  //count buses number

//==== Declare Function===
void Menu( void );
void gotoxy( int x, int y );
void textcolor( int color );
int  SeatNum( class Bus *p );

//====Class Bus===========
class Bus
{
 private:
  char busno[ 5 ]; //bus number
  char driver[ 10 ];
  char arrival[ 5 ]; // arrival time
  char from[ 10 ]; // starting point
  char to[ 10 ];   // destination
 public:
  char seat[ 32 ][20];   //....??
  void install( void );
  void allotment( void );
  void empty( void );
  void show( void );
}bus[ 10 ];

void Bus::install( void )
{
 system( "cls" );
 textcolor( 14 );

 gotoxy( 16, 3 );
 textcolor( 12 );
 cout<< "????SELAM BUS RESERVATION SYSTEM????";
 textcolor( 14 );

 gotoxy( 20, 5 );
 textcolor( 10 );
 cout<< "Register-->";
 textcolor( 14 );

 gotoxy( 24, 6 );
 cout<< "Enter bus no: ";
 textcolor( 12 );
 cin>> bus[ num ].busno;
 textcolor( 14 );

 gotoxy( 24, 7 );
 cout<< "Enter driver`s name: ";
 textcolor( 12 );
 cin>> bus[ num ].driver;
 textcolor( 14 );

 gotoxy( 24, 8 );
 cout<< "Arrival time: ";
 textcolor( 12 );
 cin>> bus[ num ].arrival;
 textcolor( 14 );

 gotoxy( 24, 9 );
 cout<< "From: ";
 textcolor( 12 );
 cin>> bus[ num ].from;
 textcolor( 14 );

 gotoxy( 24, 10 );
 cout<< "To: ";
 textcolor( 12 );
 cin>> bus[ num ].to;
 textcolor( 14 );

 //
 bus[ num ].empty();  //Assignment bus[num]= "empty".

 num++;


 gotoxy( 24, 12 );
 cout<< " SECSSFULL Press any key to continue.";

 getch();
}

void Bus::empty()
{
 for( int i= 0; i< 32; i++ )
 {
  strcpy( bus[ num ].seat[ i ], "empty" );
 }

//    system( "cls" );
// for( int i =0; i< 32; i++ )
// {
//  cout<< i<< bus[ num ].seat[ i ]<< std::endl;
// }
//
// getch();
 return ;
}


void Bus::allotment( void )
{

 char number[ 5 ]; //buses number
 int seatnumber;

 system( "cls" );
 gotoxy( 16, 3 );
 textcolor( 12 );
 cout<< "????SELAM BUS RESERVATION SYSTEM????";
 textcolor( 14 );

 gotoxy( 20, 5 );
 textcolor( 10 );
 cout<< "Reservation--> ";
 textcolor( 14 );

 gotoxy( 24, 6 );
 cout<< "Select a bus number: ";
 textcolor( 12 );
 cin>> number;
 textcolor( 14 );

 int i;

 for( i= 0; i<= num; i++ )
 {
  if( strcmp( bus[ i ].busno, number )== 0 )
  {
   break;
  }
 }
 if( i<= num )
 {
     gotoxy( 24, 8 );
  cout<< "OK, Select seat number(0 - 31): ";
  textcolor( 12 );
  cin>> seatnumber;
  textcolor( 14 );

  if( strcmp( bus[ i ].seat[ seatnumber ], "empty" )== 0 )
  {
   gotoxy( 24, 9 );
   cout<< "Enter your name: ";
   textcolor( 12 );
   cin>> bus[ i ].seat[ seatnumber ];
   textcolor( 14 );
  }
  else
  {
   gotoxy( 24, 10 );
   textcolor( 12 );
   cout<< "The SeatNum no is already Reserved.!!";
      textcolor( 14 );
  }

 }
 else
 {
  gotoxy( 24, 9 );
  textcolor( 13 );
  cout<< "Please,Enter correct bus no.!!";
  textcolor( 14 );

 }
 gotoxy( 24, 12 );
 cout<< "Press any key to continue.";
 getch();

    return ;
}

void Bus::show( void )
{
 char number[ 5 ];

 system( "cls" );
 gotoxy( 16, 3 );
 textcolor( 12 );
 cout<< "????SELAM BUS RESERVATION SYSTEM????";
 textcolor( 14 );

 gotoxy( 20, 5 );
 textcolor( 10 );
 cout<< "Showing--> ";
 textcolor( 14 );

 gotoxy( 24, 6 );
 cout<< "Enter bus no: ";
 textcolor( 12 );
 cin>> number;
 textcolor( 14 );

 int i;

 for( i= 0; i<= num; i++ )
 {
  if( strcmp( bus[ i ].busno, number)== 0 )
  {
   break;
  }
 }

 if( i<= num )
 {
  gotoxy( 24, 7 );
  cout<< "Bus no: ";
  textcolor( 12 );
  cout<< bus[ i ].busno;
  textcolor( 14 );

  gotoxy( 24, 8 );
  cout<< "Driver: ";
  textcolor( 12 );
  cout<< bus[ i ].driver;
  textcolor( 14 );

  gotoxy( 24, 9 );
  cout<< "Arrival time: ";
  textcolor( 12 );
  cout<< bus[ i ].arrival;
  textcolor( 14 );

  gotoxy( 24, 10 );
  cout<< "From: ";
  textcolor( 12 );
  cout<< bus[ i ].from;
  textcolor( 14 );

  gotoxy( 24, 11 );
  cout<< "To: ";
  textcolor( 12 );
  cout<< bus[ i ].to;
  textcolor( 14 );

  gotoxy( 24, 12 );
  cout<< "Number of available seats: ";
  textcolor( 12 );
  cout<< SeatNum( &bus[ i ] );  //return number of available seats.
  textcolor( 14 );
 }
 else
 {
  gotoxy( 24, 10 );
  textcolor( 12 );
  cout<< "Please Enter correct bus no!";
  textcolor( 14 );

 }

 gotoxy(24, 14 );
 cout<< "Press any key continue.";
 getch();

    return ;
}
//====Main Function=======
int main( void )
{
 int choice;

 do
 {
  Menu();

  gotoxy( 24, 12 );
  cout<<"Enter your choice(1- 4): ";
  cin>> choice;

  switch( choice )
  {
   case 1:
    {
     bus[ num ].install();

     break;
    }
   case 2:
    {
     bus[ num ].allotment();

     break;
    }
   case 3:
    {
     bus[ 0 ].show();

     break;
    }
   case 4:
    {
     char exiting[]= "Exiting......";

     gotoxy( 24, 15 );
     textcolor( 12 );
     cout<< "Thank you for using.";
     textcolor( 14 );

     gotoxy( 24, 18 );
     for( int i= 0; i< strlen( exiting ); i++ )
     {
      cout<< exiting[ i ];
      Sleep( 100 );
     }

     break;
    }
  }

 }while( choice>= 1 && choice< 4 );

 return 0;
}

//=====Function Define =====

void Menu( void )
{
 system( "cls" );
 textcolor( 14 );

 gotoxy( 16, 3 );
 textcolor( 12 );
 cout<< "????SELAM BUS RESERVATION SYSTEM????";
 textcolor( 14 );

 gotoxy( 24, 6 );
 cout<< "1.) Bus register";

 gotoxy( 24, 7 );
 cout<< "2.) Reservation seat";

 gotoxy( 24, 8 );
 cout<< "3.) Show";

 gotoxy( 24, 9 );
 cout<< "4.) Exit";

 return ;
}

void gotoxy( int x, int y )
{
 COORD pos= { 0, 0 };
 HANDLE handle= GetStdHandle( STD_OUTPUT_HANDLE );

 pos.X= x;
 pos.Y= y;

 SetConsoleCursorPosition( handle, pos );

 return ;
}

void textcolor( int color )
{
 HANDLE handle= GetStdHandle( STD_OUTPUT_HANDLE );

 SetConsoleTextAttribute( handle, color );

 return ;
}

int SeatNum( class Bus *p )
{
 int count= 0;

 for( int i= 0; i< 32; i++ )
 {
  if( strcmp( p->seat[ i], "empty" )== 0 )
  {
   count++;
  }
 }

 return count;

}