Store

import java.util.ArrayList;
import java.util.Collections;

public class Store {

	private ArrayList<Tablet> tablets;
	private int countI;
	private int countA;
	private int countW;

	/**
	 * default constructor
	 */
	public Store() {
		countA = 0;
		countI = 0;
		countW = 0;
		tablets = new ArrayList<Tablet>();
	}

	/**
	 * copy constructor
	 */
	public Store(Store other) {

		countA = other.countA;
		countI = other.countI;
		countW = other.countW;
		for (Tablet otherTablet : other.tablets) {
			tablets.add(new Tablet(otherTablet));
		}

	}

	public int getCountA() {
		return countA;
	}

	public int getCountI() {
		return countI;
	}

	public int getCountW() {
		return countW;
	}

	/**
	 * 
	 * @param tablet - the tablet that we want to search on the store
	 * @return if the tablet is on the store we return true' if not false we use the
	 *         isSame method to know if the tablet exist in the store
	 */
	public boolean tabletExistInStore(Tablet tablet) {

		int i = 0;
		boolean isExist = false;

		while (i < tablets.size()) {
			if (tablet.isSame(tablets.get(i)) == true) {
				isExist = true;
			}
			i++;
		}
		return isExist;

	}

	/**
	 * 
	 * @param tablet the tablet that we want to add to store 
	 * first if the store have exactly tablet that we want to add then we set the highest 
	 * price we use for this the price setter ,  
	 * then we check the tablet system and add to count of the system 
	 * after that we add the tablet.
	 */
	public void addTablet(Tablet tablet) {

		int i = 0;

		if (tabletExistInStore(tablet) == true) {
			while (i < tablets.size()) {
				if (tablet.isSame(tablets.get(i)) == true) {

					if (tablet.getPrice() > tablets.get(i).getPrice()) {
						tablets.get(i).setPrice(tablet.getPrice());
					} 
					else if (tablet.getPrice() < tablets.get(i).getPrice()) {
						tablet.setPrice(tablets.get(i).getPrice());
					}
				}

				i++;
			}

		}
		else {
		if (tablet.getSystem() == 'I') {
			countI++;
		} else if (tablet.getSystem() == 'A') {
			countA++;
		} else {
			countW++;
		}
		tablets.add(tablet);
		}

	}

	public void sortStore() {
		int n = tablets.size();

		for (int i = n - 1; i > 0; i--) {
			for (int j = 0; j < i; j++) {
				if (tablets.get(j).getSystem() == 'I' && tablets.get(j + 1).getSystem() == 'A') {
					Collections.swap(tablets, j, j + 1);
				} else if (tablets.get(j).getSystem() == 'A' && tablets.get(j + 1).getSystem() == 'W') {
					Collections.swap(tablets, j, j + 1);
				} else if (tablets.get(j).getSystem() == 'I' && tablets.get(j + 1).getSystem() == 'W') {
					Collections.swap(tablets, j, j + 1);
				}

			}
		}
		for (int p = 0; p < n; p++) {
			tablets.get(p).printTablet();
		}
	}

}