#include <iostream>
#include <string>
using namespace std;

class student
{
public:
	//class variables are sometimes called "attributes"
	string name;
	int id;
	double exam1;
	double exam2;
	double exam3;

	//Here is a (default) constructor
	//The code in here will run when you
	//declare a student variable
	//Constructors are usually used to inialize class variables.
	student()
	{
		cout << "Hey, someone is declaring a student variable!" << endl;
		name = "noname";
		id = 0;
		exam1 = 0;
		exam2 = 0;
		exam3 = 0;
	}

	//Here is a parameterized constructor
	student(string initialName, int initialID)
	{
		cout << "Ooooh, we're calling a parameterized consturcotr this time" << endl;
		name = initialName;
		id = initialID;
		exam1 = 10;
		exam2 = 20;
		exam3 = 30;
	}

	//Can have multiple parameterized constructors
	student(string initialName, string funSentence, int initialID)
	{
		cout << funSentence << endl;
		name = initialName;
		id = initialID;
		exam1 = 90;
		exam2 = 100;
	}

	//Methods are just functions attached to a class.
	//In Object Oriented Programming we often use the term "method"
	//instead of "function inside a class".

	//A basic method
	void sayHi()
	{
		cout << "Hi, my name is " << name << " and my exam1 score is " << exam1 << endl;
	}

	//Here is a method that returns a value
	double computeGrade()
	{
		double sum = exam1 + exam2 + exam3;
		double avg = sum / 3;
		return avg;
	}

	//Here is a method with parameters
	void setScore(int examNum, double newScore)
	{
		if (examNum == 1)
		{
			exam1 = newScore;
		}
		else if (examNum == 2)
		{
			exam2 = newScore;
		}
		else if (examNum == 3)
		{
			exam3 = newScore;
		}
		else
		{
			//do nothing, they gave a weird number
			cout << "Hey, no such exam number dude!" << endl;
		}
	}

	//Oh no, the students now have cheat method!
	//They're going to get caught and flunk...
	void cheatOffof(student &victim)
	{
		if ( rand()%2 == 0 )  //caught!
		{
			cout << name << " has been caught cheating from " << victim.name << endl;
			exam1 = 0;
			exam2 = 0;
			exam3 = 0;

			//hmmm... they might have been colluding
			//should also punish the victim
			//Reduce victim's scores by 10 points
			victim.exam1 = victim.exam1 - 10;
			victim.exam2 = victim.exam2 - 10;
			victim.exam3 = victim.exam3 - 10;
		}
		else
		{
			//They got way with it...Ok, copy scores!
			exam1 = victim.exam1;
			exam2 = victim.exam2;
			exam3 = victim.exam3;
		}
	}

};

int main()
{
	student A;
	student B("Belinda", 4721);
	student C;
	student D("Lucy", 9388);
	student F("Fonzi", "eeeeehhhhhhh... have HAPPY DAY!!!", 1783);
	student E("Bart", "Don't have a cow man!", 1234);

	A.name = "Steven";

	cout << A.name << " " << A.id << " " << A.exam1 << endl;
	cout << B.name << " " << B.id << " " << B.exam1 << endl;
	cout << C.name << " " << C.id << " " << C.exam1 << endl;
	cout << D.name << " " << D.id << " " << D.exam1 << endl;
	cout << F.name << " " << F.id << " " << F.exam1 << endl;
	cout << E.name << " " << E.id << " " << E.exam1 << endl;

	//Methods!
	B.sayHi();
	F.sayHi();
	E.sayHi();

	B.exam1 = 5;
	B.exam2 = 17;
	B.exam3 = 54;

	//methods can also take parameters, just like normal functions
	D.setScore(2, 95);
	D.setScore(3, 85);
	B.setScore(2, 15);
	E.setScore(1, 99);

	//Ok, let's do a method that returns a value
	cout << B.name << " got a grade of " << B.computeGrade() << endl;
	cout << D.name << " got a grade of " << D.computeGrade() << endl;
	cout << E.name << " got a grade of " << E.computeGrade() << endl;

	//Let's do something interesting
	//Uh oh... shenanigans!  They might get caught...
	B.cheatOffof(E);
	F.cheatOffof(D);
	A.cheatOffof(B);
	C.cheatOffof(F);
	D.cheatOffof(A);
	E.cheatOffof(D);

	cout << B.name << " got a grade of " << B.computeGrade() << endl;
	cout << F.name << " got a grade of " << F.computeGrade() << endl;
	cout << E.name << " got a grade of " << E.computeGrade() << endl;
	cout << D.name << " got a grade of " << D.computeGrade() << endl;
	cout << A.name << " got a grade of " << A.computeGrade() << endl;
	cout << C.name << " got a grade of " << C.computeGrade() << endl;

	return 0;
}