package gtPlusPlus.core.material;

import java.math.BigDecimal;
import java.math.RoundingMode;

import gtPlusPlus.core.util.item.ItemUtils;
import net.minecraft.item.ItemStack;

public class MaterialStack {

	private transient final int[]	vAmount;
	private final Material			stackMaterial;
	private final double			vPercentageToUse;

	public MaterialStack(final Material inputs, final double partOutOf100) {
		this.stackMaterial = inputs;
		this.vPercentageToUse = partOutOf100;
		this.vAmount = this.math(partOutOf100);
	}

	public ItemStack getDustStack() {
		return this.stackMaterial.getDust(this.vAmount[0]);
	}

	public ItemStack getDustStack(final int amount) {
		return this.stackMaterial.getDust(amount);
	}

	public ItemStack getLeftOverStacksFromDecimalValue() {
		final int temp = this.vAmount[1];
		int getCount;
		if (temp >= 25 && temp <= 99) {
			getCount = temp / 25;
			return this.stackMaterial.getSmallDust(getCount);
		}
		else if (temp >= 11 && temp <= 24) {
			getCount = temp / 11;
			return this.stackMaterial.getTinyDust(getCount);
		}
		else {
			return null;
		}
	}

	public int getPartsPerOneHundred() {
		if (this.vAmount != null) {
			if (this.vAmount[0] >= 1 && this.vAmount[0] <= 100) {
				return this.vAmount[0];
			}
		}
		return 100;
	}

	public long[] getSmallestStackSizes() {
		return this.stackMaterial.getSmallestRatio(this.stackMaterial.getComposites());
	}

	public Material getStackMaterial() {
		return this.stackMaterial;
	}

	public ItemStack[] getValidItemStacks() {
		return ItemUtils.validItemsForOreDict(this.stackMaterial.getUnlocalizedName());
	}

	public double getvPercentageToUse() {
		return this.vPercentageToUse;
	}

	@SuppressWarnings("static-method")
	private int[] math(final double val) {
		double i;
		// Cast to a BigDecimal to round it.
		final BigDecimal bd = new BigDecimal(val).setScale(2, RoundingMode.HALF_EVEN);
		i = bd.doubleValue();
		// Split the string into xx.xx
		final String[] arr = String.valueOf(i).split("\\.");
		final int[] intArr = new int[2];
		intArr[0] = Integer.parseInt(arr[0]);
		intArr[1] = Integer.parseInt(arr[1]);
		return intArr;
	}

}