finalproject1

#include <string> 
#include <iostream> 
#include <fstream>
#include <iomanip>
#include <vector>

using namespace std; 

struct Student { 
  string studentname = "null";
  string studentID = "null";

  int numcourses = -1;
  int totcredits = 0;
  int compcredits = 0;

  double erncredits = 0.0;
  double gpa = -1;

  vector<string> classes;
  vector<int> credits; 
  vector<char> grades;
};

bool openFile(ifstream &inFS) {
  if (inFS.is_open()) {
    return true;
  }
  return false;
}

void Print_info_one(Student student) {
  cout << fixed << left << setw(20) << "Name :" << right << student.studentname << endl;

  cout << fixed << left << setw(20) << "ID Number :" << right << student.studentID << endl;

  cout << endl;

  cout << fixed << left << setw(20) << "Course Name" <<setw(10)<< "Grade"<<"Units" << endl;

  for (int i = 0; i < student.numcourses; ++i) {
    cout << fixed << left << setw(20) << student.classes.at(i)<< setw(20) << student.grades.at(i)<< student.credits.at(i) << endl;
  }

  cout << endl;

  cout << fixed << left << setw(20) << "Units Completed:" << right << static_cast<int>(student.compcredits) << endl;

  cout << fixed << left << setw(20) << "Units Taken:" << right << student.totcredits << endl;

  cout << fixed << left << setw(20) << "GPA:" << right << setprecision(2) << student.gpa << endl;
} 

void Read_info(Student &student, ifstream &inFS) {
  getline(inFS, student.studentname);
  getline(inFS, student.studentID);

  inFS >> student.numcourses;
  inFS.ignore(1000, '\n');

  
  vector<string> cls(student.numcourses);
  vector<int> cred(student.numcourses);
  vector<char> grd(student.numcourses);

  for (int i = 0; i < student.numcourses; ++i) {
    getline(inFS, cls.at(i));
    inFS >> grd.at(i);
    //cout << cls.at(0) << " ";
    inFS >> cred.at(i);
    inFS.ignore(1000, '\n');
  }

  inFS.close();

  student.classes = cls;
  student.credits = cred;
  student.grades = grd;
} 
float Find_points(char curr) {

  if (curr == 'A' || curr == 'a') {
    return 4;
  }
  if (curr == 'B' || curr == 'b') {
    return 3;
  }
  if (curr == 'C' || curr == 'c') {
    return 2;
  }
  if (curr == 'D' || curr == 'd') {
    return 1;
  }
  return 0;
} // given a letter grade returns points associated to it
void Process_Stu(Student &) ; 
// include any additional functions you like.
void Gpa_Calculator(Student &student) {
  for (int i = 0; i < student.numcourses; ++i) {

    student.totcredits += student.credits.at(i);

    if (Find_points(student.grades.at(i)) > 1){

      student.compcredits += student.credits.at(i);

    }

    student.erncredits += (student.credits.at(i) * Find_points(student.grades.at(i)));
  }

  student.gpa = student.erncredits / student.totcredits;
}
int main() 
{ 
  Student NewStudent; 

  string filename;

  int sum = 0;

  double studentsum = 0.0;
  cin >> filename;
  //cout << "p.txt" << endl;
  //filename = "p.txt";
  ifstream inFS;

  inFS.open(filename);

  if (!openFile(inFS)) {
    cout << "Bad file." << endl;
    return -1;
  }

  if (inFS.peek() == EOF){ //inFS.eof()) {
    cout << "No data to process." << endl;
    return -1;
  }

  Read_info(NewStudent, inFS);

  if (NewStudent.studentname.compare("null") == 0) {
    cout << "Bad file." << endl;
    return -1;
  }

  Gpa_Calculator(NewStudent);

  Print_info_one(NewStudent);

  return 0;
}