/*************************************************************************/
/* File: ins_rec.h				Author: B. De Hamer      */
/*									 */
/* Class InsRecord is derived from DBItem and is used to store info      */
/* about instructors in the InsDB.  InsRecord has fields for the name of */
/* an instructor as well as lists of his/her class and time preferences  */
/*************************************************************************/

#ifndef INS_RECORD
#define INS_RECORD

#include "node.h"
#include "ins_name.h"
#include "ins_course_list.h"
#include "time_list.h"
#include "std-macros.h"

typedef float Rank ;
typedef int WTU ;

class InsRecord : public Node 
{
   public:

      InsRecord () ;
      // Construct a default InsRecord

      InsRecord (const InsName&) ;
      // Construct a new instructor with the given name

      InsRecord (const InsRecord&) ;
      // Construct a new InsRecord from an existing one
  
      InsRecord (char*) ;
      // Construct an InsRecord from the given stream of data.
      // To be used only by InsDB::Read().

      ~InsRecord () ;
      // Destruct an InsRecord

      void AddCoursePref (CourseID id, int weight) ;
      // Adds a course to the instructor's course preference list.

      void AddTimePref (char* days, float start, float end, int weight) ;
      // Adds a time preference to the instructor's time preference list.

      InsCourseList& GetCourseList () ;
      // Returns the instructor's course preference list.

      TimeList& GetTimeList () ;
      // Returns the instructor's time preference list. 

      InsName& GetName ();
      // Returns the name of this instructor

      Boolean HasMinWTUs () ;
      // Returns true if the instructor has exceeded the minimum WTUs
      // Returns false otherwise  

      Boolean HasMaxWTUs () ;
      // Returns true if the instructor has exceed the maximum WTUs
      // Returns false otherwise

      void SortCoursePrefs () ;
      // Sorts the instructor's course preferences by weight

      void SortTimePrefs () ;
      // Sorts the instructor's time preferences by weight

      void SetPickyRank () ;
      // Calculates the instructor's pickiness rank

      float GetPickyRank () ;
      // Return this instructor's pickiness rank

      void operator= (const InsRecord&) ;
      // Assign the argument to this InsRecord

      void sout (ostream&) ;
      // Output instructor to file

      void print () const ;
      // Print the instructor

      Node* copy() const ;
      // Returns a copy of this instructor


      /**
       * View-handling fucntions.
       */
      UpdatePrefs();
      /*
       * Do processing in response to "OK" button in View.
       */


   protected:
      
      InsName name ;			// Instructor's first and last name
      TimeList time_list ;		// List of day and time preferences
      TimeList scheduled_times ;        // List of days/times scheduled
      InsCourseList course_list ; 	// List of course preferences
      WTU wtu ;				// Current amount of WTU's
      WTU min_wtu ;			// Minimum WTU's required
      WTU max_wtu ;			// Maximum WTU's allowed
      Boolean handicap_flag ;		// Is instructor handicapped?
      Rank picky_rank ;			// Instructor's pickiness rank

      InsUI* view;			// Companion View
} ;

#endif