// File: Stud_tst.cpp
// Test student class

#include "StudentVector.h"
#include "Char_ops.h"
#include <iostream>

using namespace std;

char StudentMenu();
char mainMenu();
void AddClass(Student &);
void ChangeClass(Student &);
void RemoveClass(Student &);
void SetStudentName(Student &);

void main()
{StudentList theStudents;
 char Choice,selection;
 string name="";
 ifstream Data;
 Student *theStudent;
 do {
	 switch(selection=mainMenu()) {
	 case 'A':cin >> theStudents; break;
	 case 'E':cout << "Enter Student Name >";
		getline(cin,name);
		theStudent=theStudents.getStudentByName(name);
		if (theStudent)
		 do {
			cin.ignore(80,'\n');
			cout << "\nStudent Name        Hours      GPA\n";
			cout << *theStudent;
			switch (Choice=StudentMenu()) {
			case 'A':AddClass(*theStudent);break;
			case 'C':if (theStudent->HoursCompleted()) ChangeClass(*theStudent);break;
			case 'R':if (theStudent->HoursCompleted()) RemoveClass(*theStudent);break;
			case 'P':cout << "\nStudent Name        Hours      GPA\n";
				cout << (*theStudent);
				break;
			case 'H':cout << "Hours Completed:" << theStudent->HoursCompleted() << endl;
						break;
			case 'S':SetStudentName(*theStudent);break;
			}
		 }  while (Choice!='E');
		break;
	 case 'I':Data.open("Students.dat");
		 if (!Data.fail())
			 Data>>theStudents;
		 Data.close();
		 break;
	 case 'P':cout << "\nStudent Name        Hours      GPA\n";
		 cout << theStudents;
	 }
 } while (selection!='Q');
/* cout << theStudent;
 Student S2("ABCD",10,30);
 cout << "New Student:\n" << S2 << endl;
 if (theStudent>>=S2)
	 cout << "1st Student has a higher GPA";
 else
	 cout << "2nd Student has a higher GPA";
 cout.flush();  // Need it again!*/
}

char mainMenu()
{cout << "\nSelect:\n";
 cout << "\tA)dd a Student\n";
 cout << "\tE)dit a Student\n";
 cout << "\tP)rint the Students\n";
 cout << "\tI)nput a list of Students from a File\n";
 cout << "\tQuit the Program\n";
 cout.flush();
 return(GetChoice("AEPIQ"));
}

char StudentMenu()
{cout << "\nSelect:\n";
 cout << "\tA)dd Class\n";
 cout << "\tC)hange Grade\n";
 cout << "\tR)emove Class\n";
 cout << "\tP)rint Student\n";
 cout << "\tH)ours Completed\n";
 cout << "\tS)tudent Name\n";
 cout << "\tE)xit this Student\n";
 cout.flush();   // Need this in VS C++
 return (GetChoice("ACRPHSE"));
}

void SetStudentName(Student &S)
{char Name[NameLength];
 cout << "Enter Student Name >";
 cout.flush();
 cin >> Name;
 S.SetName(Name);
}

void AddClass(Student &S)
{CourseData data;
 cout << "#Hours? >";
 cout.flush();
 cin >> data.Hours;
 cout << "Grade? (A-D,F) >";
 cout.flush();
 data.Grade=GetChoice("ABCDF");;
 S+=data;
}

void ChangeClass(Student &S)
{int Hours;
 char OldGrade,NewGrade;
 cout << "#Hours? >";
 cout.flush();
 cin >> Hours;
 cout << "Old Grade? (A-D,F) >";
 cout.flush();
 OldGrade=GetChoice("ABCDF");
 cout << "New Grade? (A-D,F) >";
 cout.flush();
 NewGrade=GetChoice("ABCDF");;
 S.ChangeGrade(Hours,OldGrade,NewGrade);
}

void RemoveClass(Student &S)
{CourseData data; 
 cout << "#Hours? >";
 cout.flush();
 cin >> data.Hours;
 cout << "Grade? (A-D,F) >";
 cout.flush();
 data.Grade=GetChoice("ABCDF");;
 S-=data;
}