package Numerator;

/*
 * the CourseGrades class creates an array of 4 ints and stores the values from the various course grades
 */
public class CourseGrades implements Analyzable {
	/*
	 * array initialization
	 *
	 * @param {GradedActivity[NUM_GRADES]}
	 *
	 * @param int NUM_Grades
	 */

	private GradedActivity[] grades;
	private final int NUM_GRADES = 4;

	/*
	 * constructor for array Creation of the grades array with 4 locations for
	 * grades, 0-3
	 *
	 * @param {GradedActivity[NUM_GRADES]}
	 */
	public CourseGrades() {

		grades = new GradedActivity[NUM_GRADES];
	}

	/*
	 * methods for assigning the objects to the specified locations in the array.
	 * Calls in the objects from the various graded activity classes and assigns
	 * them to the designated array location.
	 *
	 * @param GradedActivity the lab grade
	 *
	 * @param PassFailExam Pass fail exam Grade
	 *
	 * @param Essay Essay grade
	 *
	 * @param FinalExam the final exam grade
	 */
	public void setLab(GradedActivity aLab) {
		grades[0] = aLab;
	}

	public void setPassFailExam(PassFailExam aPassFailExam) {
		grades[1] = aPassFailExam;
	}

	public void setEssay(Essay anEssay) {
		grades[2] = anEssay;
	}

	public void setFinalExam(FinalExam aFinalExam) {
		grades[3] = aFinalExam;
	}

	/*
	 * @param toString toString method implementation for array objects
	 *
	 * @param String result
	 */

	public String toString() {

		String result = "";
		/*
		 * @return result from the array objects along with stings
		 *
		 *
		 *
		 * @param {string} GradedActivity[NUM_Grades]-Return the object with an
		 * explanation text
		 *
		 * @param String grades[]
		 *
		 */

		result = "Activity" + "\t\t\tNumber Grade" + "\tLetter Grade"
				+ "\n-------------------------------------------------------------" + "\nLab Score:\t\t\t"
				+ grades[0].getScore() + "\t\tGrade: " + grades[0].getGrade() + "\nPass/Fail Exam Score:\t\t"
				+ grades[1].getScore() + "\t\tGrade: " + grades[1].getGrade() + "\nEssay Score:\t\t\t"
				+ grades[2].getScore() + "\t\tGrade: " + grades[2].getGrade() + "\nFinal Exam Score:\t\t"
				+ grades[3].getScore() + "\t\tGrade: " + grades[3].getGrade();

		return result;

	}

	@Override
	public double getAverage() {

		double total = 0;

		for (int i = 0; i < grades.length; i++) {
			total += grades[i].getScore();

		}

		return (total / grades.length);
	}

	@Override
	public GradedActivity getHighest() {
		int highest = 0;
		for (int i = 0; i < grades.length; i++) {

			if (grades[highest].getScore() < grades[highest].getScore()) {
				highest = i;

			}
		}
		return grades[highest];

	}

	@Override
	public GradedActivity getLowest() {

		int lowest = 0;
		for (int i = 0; i > grades.length; i++) {

			if (grades[lowest].getScore() < grades[lowest].getScore()) {
				lowest = i;

			}

		}
		return grades[lowest];

	}

	@Override
	public GradedActivity getMedian() {
		// TODO Auto-generated method stub
		return null;
	}
}