package com.mousetech.gourmetj;

import com.mousetech.gourmetj.utils.IngredientDigester;
import com.mousetech.gourmetj.utils.IngredientDigester.IngredientAmountFormat;

public class ShopIngredient implements Comparable<Object> {
	/**
	 * Constructor.
	 * 
	 * @param shopCat
	 * @param ingkey
	 */
	public ShopIngredient(	String shopCat, String item,
							String ingkey) {
		this.shopCat = shopCat;
		this.ingkey = ingkey;
	}

	/**
	 * Constructor.
	 * 
	 * @param amount
	 * @param unit
	 * @param item
	 * @param ingkey
	 * @param shopCat
	 */
	public ShopIngredient(	double amount, String unit,
							String item, String ingkey,
							String shopCat) {
		this.amount = amount;
		this.unit = unit;
		this.item = item;
		this.ingkey = ingkey;
		this.shopCat = shopCat;
	}

	private String shopCat;

	/**
	 * @return the shopCat
	 */
	public String getShopCat() {
		return shopCat;
	}

	/**
	 * @param shopCat the shopCat to set
	 */
	public void setShopCat(String shopCat) {
		this.shopCat = shopCat;
	}

	/**
	 * @return the ingkey
	 */
	public String getIngkey() {
		return ingkey;
	}

	/**
	 * @param ingkey the ingkey to set
	 */
	public void setIngkey(String ingkey) {
		this.ingkey = ingkey;
	}

	/**
	 * @return the amount
	 */
	public double getAmount() {
		return amount;
	}

	/**
	 * @param amount the amount to set
	 */
	public void setAmount(double amount) {
		this.amount = amount;
	}

	/**
	 * @return the displayAmount
	 */
	public String getDisplayAmount() {
		return IngredientDigester.displayAmount(
			IngredientAmountFormat.IA_TEXT, this.getAmount(),
			null);
	}

	/**
	 * @return the unit
	 */
	public String getUnit() {
		return unit;
	}

	/**
	 * @param unit the unit to set
	 */
	public void setUnit(String unit) {
		this.unit = unit;
	}

	private String item;

	/**
	 * @return the item
	 */
	public String getItem() {
		return item;
	}

	private String ingkey;
	private double amount;
	private String displayAmount;
	private String unit;

	@Override
	public int compareTo(Object o) {
		if ((o == null) || !(o instanceof ShopIngredient)) {
			throw new RuntimeException(
					"Invalid shipIngredient comparison");
		}
		ShopIngredient o1 = (ShopIngredient) o;
		int i = relate(this.getItem(), o1.getItem());
		if (i != 0) {
			return i;
		}
		i = relate(this.getShopCat(), o1.getShopCat());
		if (i != 0) {
			return i;
		}
		// TODO: normalize case, singular/plural/abbreviations
		i = relate(this.getUnit(), o1.getUnit());
		if (i != 0) {
			return i;
		}
		return i; // ZERO
	}

	private int relate(String item2, String item3) {
		if ((item2 == null) && (item3 == null)) {
			return 0;
		}
		if (item2 == null) {
			return -1;
		}
		if (item3 == null) {
			return 1;
		}
		return item2.compareTo(item3);
	}

	@Override
	public String toString() {
		return this.getAmount() + " " + this.getUnit() + " "
				+ this.getItem() + " " + this.getIngkey() + " "
				+ this.getShopCat();
	}
}