#include "roster.h"
#include "degree.h"
#include<string>

using std::string;



//empty constructor
Roster::Roster()
{
    this->capacity = 0;
    this->lastIndex = -1;//Empty
    this->classRosterArray = nullptr;
}


Roster::Roster(int capacity)
{
    this->capacity = capacity;
    this->lastIndex = -1;
    this->classRosterArray = new Student * [capacity];
}



void Roster::parseAdd(string row)
{

    if (lastIndex < capacity) {
        lastIndex++;
        DegreeProgram degree;


        if (row[0] == '1') degree = SECURITY;
        else if (row[0] == '2')degree = NETWORK;
        else if (row[0] == '3')degree = SOFTWARE;
        else if (row[0] == '4')degree = SECURITY;
        else if (row[0] == '5')degree = SOFTWARE;
        else {
            cerr << "invalid";
            exit(-1);

        }
    /*    }


            this->classRosterArray[lastIndex] = new Student();
            classRosterArray[lastIndex]->setDegreeProgram(SECURITY);
        }
        else if (row[0] == 'A2') {
            this->classRosterArray[lastIndex] = new Student();
            classRosterArray[lastIndex]->setDegreeProgram(NETWORK);
        }
        else if (row[0] == 'A3') {
            this->classRosterArray[lastIndex] = new Student();
            classRosterArray[lastIndex]->setDegreeProgram(SOFTWARE);
        }
        else if (row[0] == 'A4') {
            this->classRosterArray[lastIndex] = new Student();
            classRosterArray[lastIndex]->setDegreeProgram(SECURITY);

        }
        else if (row[0] == 'A5') {
            this->classRosterArray[lastIndex] = new Student();
            classRosterArray[lastIndex]->setDegreeProgram(SOFTWARE);
        }
    else {
        cerr << "invaild degree type! exiting now! \n";
        exit(-1);*/
    


        int rhs = row.find(",");
        string studentID = row.substr(0, rhs);

        int lhs = rhs + 1;
        rhs = row.find(",", lhs);
        string firstName = row.substr(lhs, rhs - lhs);



    ////ID
    //int rhs = studentData[lastIndex].find(",");
    //classRosterArray[lastIndex]->setID(studentData[lastIndex].substr(0, rhs));

    ////read firstname
    //int lhs = rhs + 1;
    //rhs = studentData[lastIndex].find(",", lhs);
    //classRosterArray[lastIndex]->setFirstname(studentData[lastIndex].substr(lhs, rhs - lhs));

    ////read lastname
    //lhs = rhs + 1;
    //rhs = studentData[lastIndex].find(",", lhs);
    //classRosterArray[lastIndex]->setLastname(studentData[lastIndex].substr(lhs, rhs - lhs));

    ////read Email
    //lhs = rhs + 1;
    //rhs = studentData[lastIndex].find(",", lhs);
    //classRosterArray[lastIndex]->setEmail(studentData[lastIndex].substr(lhs, rhs - lhs));

    ////read Age
    //lhs = rhs + 1;
    //rhs = studentData[lastIndex].find(",", lhs);
    //classRosterArray[lastIndex]->setAge(studentData[lastIndex].substr(lhs, rhs - lhs));

    ////read days in course
    //lhs = rhs + 1;
    //rhs = studentData[lastIndex].find(",", lhs);
    //studentData[lastIndex].substr(lhs, rhs - lhs));

    //lhs = rhs + 1;
    //rhs = studentData[lastIndex].find(",", lhs);
    //studentData[lastIndex].substr(lhs, rhs - lhs));

    //lhs = rhs + 1;
    //rhs = studentData[lastIndex].find(",", lhs);
    //studentData[lastIndex].substr(lhs, rhs - lhs));

 //   //set the days
	//this->days = new double[daysArray];
 //   classRosterArray[lastIndex]->setDays(daysArray);

}

    else{
        cerr << "Error! List has exceeded maximum capacity! \n exiting now!";
        exit(-1);
      
    }


}


void Roster::add(string studentID, string firstName, string lastName, string emailAddress, int age,
    int daysInCourse1, int daysInCourse2, int daysInCourse3, DegreeProgram degreeprogram)
{
    double daysOfArray[Student::daysArray];
    daysOfArray[0] = daysInCourse1;
    daysOfArray[1] = daysInCourse2;
    daysOfArray[2] = daysInCourse3;

    if (degreeprogram == SECURITY)
        classRosterArray[lastIndex] = new Student(studentID, firstName, lastName, emailAddress, age, daysOfArray, degreeprogram);
    else if (degreeprogram == NETWORK)
     classRosterArray[lastIndex] = new Student(studentID, firstName, lastName, emailAddress, age, daysOfArray, degreeprogram);
    else classRosterArray[lastIndex] = new Student(studentID, firstName, lastName, emailAddress, age, daysOfArray, degreeprogram);



}

void Roster::print_All()
{
    for (
        int i = 0; i <= this->lastIndex; i++)(this->classRosterArray)[i]->print();
}
bool Roster::remove(string ID)
{
    bool found = false;
    for (int i = 0; i <= lastIndex; i++)
    {
        if (this->classRosterArray[i]->getID() == ID)
        {
            found = true;

            delete this->classRosterArray[i];
            this->classRosterArray[i] = this->classRosterArray[lastIndex];
            lastIndex--;
        }
       
        
    }

    return found;

}

void Roster::printAverageDaysInCourse(string studentID)
{
    bool found = false;
    for (int i = 0; i <= lastIndex; i++)
    {
        if (this->classRosterArray[i]->getID() == studentID)
        {
            found = true;
            double* p = classRosterArray[i]->getDays();
            cout << "Average days in course " << classRosterArray << "is" << (p[0] + p[1] + p[2]) / 3;
        }
        if (!found)cout << "Book not found!\n";
    }
}

void Roster::printInvailidDaysEntries()
{
    cout << "Displaying invaild days entries:\n";
    for (int i = 0; i <= lastIndex; i++)
    {
        cout << "Student ID: " << classRosterArray[i]->getID() << ":";
        bool any = false;
        double* p = classRosterArray[i]->getDays();
        for (int j = 0; j < Student::daysArray; j++)
        {
            if (p[j] < 0)
            {
                any = true;
                cout << p[j] << " ";
            }
        }
        if (!any) cout << "NONE";
        cout << "\n";
    }
}


void Roster::printByDegreeProgram( DegreeProgram d)
    {
        cout << "Printing degree of type" << degreeProgramString[d] << '\n';
        for (int i = 0; i <= lastIndex; i++) {
            if (this->classRosterArray[i]->getDegreeProgram() == d) this->classRosterArray[i]->print();
            
            }

        
    }