package Entities;

import dslib.list.LinkedListUos;
import dslib.dictionary.arrayed.ArrayedPKeyedDictUos;

/**	A representation of a department at the university. */
public class Department
{
	public LinkedListUos instructors;
	public ArrayedPKeyedDictUos courses;
	protected int subjectCode;
	protected String name;
	protected int tuitionCategory;
	
	public String name()
	{
		return name;
	}
	
	public int subjectCode()
	{
		return subjectCode;
	}
	
	public int tuitionCategory()
	{
		return tuitionCategory;
	}
   
   
	/**	Make a new department */
	public Department(String deptName, int newCode, int category)
	{
		name = deptName;
		subjectCode = newCode;
		tuitionCategory = category;
		courses = new ArrayedPKeyedDictUos(10);
		instructors = new LinkedListUos();
	}
	
	/**	Add a new course to this department */
	public void addCourse(Course newCourse)
	{
		courses.insert(new Integer(newCourse.number()), newCourse);
	}
	
	/**	Add an instructor to this department */
	public void addInstructor(Instructor i)
	{
		instructors.insert(i);
	}
	
	/**	Add a new course section for a course in this department */
	public void addCourseSection(int courseNum, CourseSection newSect)
	{
		((Course)courses.obtain(new Integer(courseNum))).addSection(newSect);
	}

	public String toString()
	{
		String result = "";
		if (!instructors.isEmpty())
			result += "\nCurrent intructors : " + instructors.toString();
		else
			result += "\nNo instructors yet";
		if (!courses.isEmpty())
			result += "\nCurrent courses : " + courses.toString();
		else
			result += "\nNo courses yet";
		result += "\nSubject code : " + subjectCode;	
		result += "\nName : " + name;
		result += "Tuition Category : " + tuitionCategory;
		return  result;
	}

} /* end of Department */