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

//Class Demo:  create a student class.

class student
{
	//Can only be accessed by methods inside of the class
private:
	int exam1;
	int exam2;
	int exam3;

	//Anybody can access this stuff
public:
	string name;
	int id;
	char grade;

	//Default constructor
	student()
	{
		name = "nobody";
		exam1 = 0;
		exam2 = 0;
		exam3 = 0;
		grade = 'F';
	}

	student(string givenName)
	{
		name = givenName;
		exam1 = 15;
		exam2 = 0;
		exam3 = 0;
	}

	student(string givenName, int s1, int s2)
	{
		name = givenName;
		exam1 = s1;
		exam2 = s2;
		exam3 = 0;
	}

	void shoutOut()
	{
		cout << "Hi, my name is " << name << ", I scored " << computeAverage() << endl;
	}

	double computeAverage()
	{
		double avg = (exam1 + exam2 + exam3) / 3.0;
		return avg;
	}

	//Add points to given exam score
	void extraCredit(int examNum, int points)
	{
		if (examNum == 1)
			exam1 += points;
		else if (examNum == 2)
			exam2 += points;
		else if (examNum == 3)
			exam3 += points;
	}

	void setExam(int examNum, int points)
	{
		if (points < 0)
			cout << "Stop trying to do crazy stuff" << endl;
		else if (examNum == 1)
			exam1 = points;
		else if (examNum == 2)
			exam2 = points;
		else if (examNum == 3)
			exam3 = points;
	}

	//Copy exam scores.  Get caught 70 chance.
	void cheatOff(student victim)
	{
		if ( rand() % 100 > 70)//get away with it
		{
			exam1 = victim.exam1;
			exam2 = victim.exam2;
			exam3 = victim.exam3;
		}
		else//got caught
		{
			cout << "You're busted, " << name << endl;
			exam1 = 0;
			exam2 = 0;
			exam3 = 0;
			victim.exam3 -= 50;
		}
	}
};

int main()
{
	student nancy;
	student roger;
	student sam;

	student juan("Juan");
	student jose("Jose", 65, 72);

	//access the attributes of these objects
	nancy.name = "Nancy";
	roger.name = "Roger";
	sam.name = "Samwise";

	nancy.id = 543;
	roger.id = 600;
	sam.id = 714;

	cout << nancy.id << endl;  //543
	cout << sam.id << endl;    //714

	nancy.setExam(1,40);
	nancy.setExam(2,50);
	nancy.setExam(3,93);
	juan.setExam(2, -5000);

	double averageScore;
	averageScore = nancy.computeAverage();

	//Give nancy +10 points on exam 1
	nancy.extraCredit(1,10);
	roger.extraCredit(3, -500);


	roger.setExam(1,-2000);

	student maria("Maria");
	maria.cheatOff(nancy);
	roger.cheatOff(maria);
	sam.cheatOff(roger);

	nancy.shoutOut();
	roger.shoutOut();
	sam.shoutOut();
	juan.shoutOut();
	jose.shoutOut();

	return 0;
}