//Rokas Mikalauskas

public class MyStaticQueue implements MyQueue {

	//--------------------------------------------------
	// Attributes
	//--------------------------------------------------
	private int items[];
	private int numItems;
	private int maxItems;
	//-------------------------------------------------------------------
	// Basic Operation --> Check if myQueue is empty: myCreateEmpty
	//-------------------------------------------------------------------
	public MyStaticQueue(int m){
		items = new int[m];
		this.numItems = 0;
		this.maxItems = m;
	}

	//-------------------------------------------------------------------
	// Basic Operation --> Check if MyQueue is empty: isEmpty
	//-------------------------------------------------------------------
	public boolean isEmpty(){
		boolean isEmpty = true;
		if(numItems <= 0) {//add this?
			return isEmpty;
		}else {
			isEmpty = false;
			return isEmpty;
		}
	}

	//-------------------------------------------------------------------
	// Basic Operation (Partial) --> Get first element from front of MyQueue: first
	//-------------------------------------------------------------------
	public int first(){
		if(isEmpty()) {
			System.out.println("Its' empty");
			return -1;
		}
		return items[0];
	}

	//-------------------------------------------------------------------
	// Basic Operation (Partial) --> Add element to back of MyQueue: add
	//-------------------------------------------------------------------
	public void add(int element){
		if(numItems < maxItems) {
			items[numItems] = element;
			numItems++;
		}else {
			System.out.println("Can't add, it's full");
		}
	}

	//-------------------------------------------------------------------
	// Basic Operation (Partial) --> Remove element from front of MyQueue: remove
	//-------------------------------------------------------------------
	public void remove(){
		if(numItems > 0) {
			int i = 0;
			for(int x = 0; x < items.length-1; x++) {
				int temp = items[i+1];
				items[i] = temp;
				i++;
			}
			numItems--;
		}else {
			System.out.println("Can't remove, it's empty");
		}
	}
}