package com.Animu;

/**
 * Created by WillieShi on 3/16/2016.
 */
public class ItemOrder
{
    private Item item;
    private int quantity;
    public ItemOrder(Item item, int quantity)
    {
        this.item = item;
        this.quantity = quantity;
    }
    public double getPrice()
    {
        return item.priceFor(quantity);
    }
    public String getItem()
    {
        return item.toString();
    }
}
package com.Animu;

import java.util.*;
public class ShoppingCart
{
    private ArrayList<ItemOrder> merch = new ArrayList<ItemOrder>();
    private ItemOrder order;
    private  boolean hasDiscount;
    private ItemOrder temp;
    public ShoppingCart()
    {
        merch = new ArrayList<ItemOrder>();
    }
    public void add(ItemOrder order)
    {
        this.order = order;
        if(merch.contains(order))
        {
            int x = merch.indexOf(order);
            merch.remove(x);
        }
        merch.add(order);
    }
    public boolean setDiscount(boolean value)
    {
        hasDiscount = value;
        return hasDiscount;
    }
    public double getTotal()
    {
        double price = 0.0;
        double tempprice = 0.0;
        for(int i = 0; i < merch.size(); i++)
        {
            temp = merch.get(i);
            tempprice = temp.getPrice();
            price += tempprice;
        }
        return price;
    }


}
package com.Animu;

import java.util.ArrayList;
public class Catalog
{
    private ArrayList<Item> catalog;
    private String name;
    public Catalog(String name)
    {
        this.name = name;
    }
    public void add(Item item)
    {
        catalog.add(item);
    }
    public int size()
    {
        return catalog.size();
    }
    public Item get(int index)
    {
        return catalog.get(index);
    }
    public String getName()
    {
        return name;
    }
}
public class Item
{
    private String name;
    private double price;
    private int bulkquantity;
    private double bulkprice;
    private int quantity;
    public Item(String name, double price)
   {
       this.name = name;
       this.price = price;
       if(price < 0)
       {
           throw new IllegalArgumentException("Error: Price is negative.");

       }
   }
    public Item(String name, double price,int bulkquantity, double bulkprice)
    {
        this.name = name;
        this.price = price;
        this.bulkquantity = bulkquantity;
        this.bulkprice = bulkprice;
        if(bulkprice < 0)
        {
            throw new IllegalArgumentException("Error: bulkprice is negative.");
        }
        if(price < 0.0)
        {
            throw new IllegalArgumentException("Error: price is negative");
        }
        if(bulkquantity < 0.0)
        {
            throw new IllegalArgumentException("Error: bulkquantity is negative");
        }
    }
    public double priceFor(int quantity)
    {
        this.quantity = quantity;
        if(quantity < 0)
        {
            throw new IllegalArgumentException("Error: quantity is negative");
        }
        if(price < 0.0)
        {
            throw new IllegalArgumentException("Error: price is negative");
        }
        if(bulkquantity < 0.0)
        {
            throw new IllegalArgumentException("Error: bulkquantity is negative");
        }
        if(bulkprice < 0)
        {
            throw new IllegalArgumentException("Error: bulkprice is negative.");
        }
        return (price * (quantity % bulkquantity)) + (Math.floor(quantity / bulkquantity) *  bulkprice);
    }
    public String toString()
    {
        return name + ", "+ price + "in order to buy in bulk you must buy" + bulkquantity + "of the item, at a price of" + bulkprice;

    }

}
package com.Animu;

/**
 * Created by WillieShi on 3/18/2016.
 */
public class ShopMain
{
    public static void main(String [] args) {
        Item OnePunchManGlove = new Item("One Punch Man Glove", 100.0, 10, 9000.0);
        Item NoGameNoLifePoster = new Item("NoGameNoLife Poster", 50.0, 10, 450.0);
        Item SaberPoster = new Item("Saber Poster", 25.0, 10, 225.0);
        Item KanekiMask = new Item("KanekiMask", 10.0, 10, 95.0);
        Item Shigastu = new Item("ShigastuNoKimiNoUso Poster", 24.0, 10, 220.0);
        Item Poro = new Item("AssortedMustachedPoro Poster", 32.0, 10, 310.0);
        Item Pass = new Item("PshycoPass Denominator", 45.0, 10, 425.0);
        Item Erased = new Item("Erased Poster", 31.0, 10, 300.0);
        Item TeemoHat = new Item("TeemoHat", 15.0, 10, 135.0);
        Item NGNL = new Item("I(>Imanity Shirt", 22.0, 10, 210.0);
        Catalog Animu = new Catalog("AnimuShop");
        Animu.add(OnePunchManGlove);
        Animu.add(NoGameNoLifePoster);
        Animu.add(SaberPoster);
        Animu.add(KanekiMask);
        Animu.add(Shigastu);
        Animu.add(Poro);
        Animu.add(Pass);
        Animu.add(Erased);
        Animu.add(TeemoHat);
        Animu.add(NGNL);
        ShoppingFrame frame = new ShoppingFrame(Animu);
    }
}