////////////////////////////////////////////////////////////////////////////////
// Qaiwan International University
// SCSJ1023- Programming Technique II
// Section 2
// Semester 1, 2019/2020
// Inheritance and Polymorphism
// 11 December 2019
////////////////////////////////////////////////////////////////////////////////
// Student Name : Zheer Ardalan
// Student Matrix No: QU18-0029

#include <iostream>
#include <string>


using namespace std;

//Task 1 : Define class lecturer
class Lecturer
{
	private:
		string name;
		string dept;
	public:
		Lecturer();
		void set(string na,string de)
		{
			name = na;
			de = dept;
		}

		string getName()
		{
			return name;
		}

		string getDept()
		{
			return dept;
		}

		void setName(string nam){
			name = nam;
		}
};

//Task 2 : Define class Course
class Course
{
	private:
		string course;
		string code;
	public:
		set(string cou , string co)
		{
			course = cou;
			code = co;
		}
        string getNamecourse()
        {
        	return course;
		}

		string getcodecourse()
        {
        	return code;
     	}
		virtual void print () = 0;
		virtual void read () = 0;

};

// Task 3 : Define class LecturedCourse that inherit Course

class LecturedCourse :public Course
{
	private:
		Lecturer *lec;
	public:



		void setLecturer(Lecturer *le1)
		{
			lec = le1 ;
		}
			Lecturer *getLecturer()
		{
			return lec;
		}
		void read ()
		{
			string code ,course;
			cout<<"Adding a new subject course:"<<endl;
			cout<<"Code =>";
			 cin>>code;
			cout<<"Name =>";
			 cin>>course;
			set(code,course);

			string lect , dep;
			cout<<"Lecturer =>";
			 cin>>lect;
			cout<<"Department =>";
			 cin>>dep;
			 lec->set(lect,dep);
		}
		void print ()
		{
			cout<<"The list of all courses:"<<endl<<endl;
			cout<<"Course Name"<<"\t"<<getNamecourse()<<endl;
			cout<<"Lecturer"<<"\t"<<lec->getName()<<endl;
			cout<<"Department"<<"\t"<<lec->getDept()<<endl;
		}
		LecturedCourse(){};
};

// Task 4 : Define class NonLecturedCourse that inherit Course

class NonLecturedCourse :public Course
{
	private:
		int minCredit;
		string project;
	public:
		void setminCredit(int mi)
		{
			minCredit = mi;
		}
		int getMinCredit()
		{
			return minCredit;
		}

		void setproject(string pro)
		{
			project = pro;
		}

		string getproject()
		{
			return project;
		}

		void read ()
		{
			string c ,n;
			cout<<"Adding a new project course:";
			cout<<"Code =>";
			 cin>>c;
			cout<<"Name =>";
			 cin>>n;
			 set(n,c);

			 cout<<"Min Credit =>";
			  cin>>minCredit;

			  string pr;
			 cout<<"Project Name =>";
			  cin>>pr;
			  setproject(pr);
		}
		void print ()
		{
			cout<<"Course Name"<<"\t"<<getNamecourse()<<endl;
			cout<<"Min Credit"<<"\t"<<getMinCredit()<<endl;
			cout<<"Project Name"<<"\t"<<getproject()<<endl;
		}
		NonLecturedCourse();
};

// Given Menu function

int menu()
{
	int choice;

	cout << endl;
	cout << "--------- Menu------------" << endl;
	cout << "1. Add subject" << endl;
	cout << "2. Add project" << endl;
	cout << "3. Print all subjects" << endl;
	cout << "4. Exit" << endl;

	cout << endl;
	cout << "Enter your choice => ";
	cin >> choice;
	cout << endl;

	return choice;
}


int main()
{
	//Polymorphism Implementation
	Course *courses[10];  // Array of Courses that store all subjects
	int nc=0; // number of courses
	int choice=0;
    Course *newCourse;
	while (choice != 4){
		choice = menu();

		switch (choice){
			case 1: //"Adding a new subject course:
			        newCourse = new LecturedCourse;
			        newCourse->read(); // polymorphism
			        courses[nc]=newCourse;
			        nc++;
					break;

			case 2: // Adding courses

			        newCourse = new NonLecturedCourse;
			        newCourse->read();
			        courses[nc]=newCourse;
			        nc++;
					break;

			case 3: // List of subject courses
			        cout << "Number of courses offered : " << nc << endl;
			        cout << "The list of all courses: " << endl;
					for (int i=0; i<nc; i++)
						courses[i]->print() ;
					break;


		}
	}

    cout << "Program ends!" << endl;
	return 0;
}