package book.stock;

import java.math.BigDecimal;

import foundation.util.Util;

public enum FreezeCondition {

	None, Positive, Negative;

	public static FreezeCondition parse(String value) {
		if (Util.isEmpty(value)) {
			return None;
		}
		
		if ("+".equals(value) || "＋".equals(value)) {
			return Positive;
		}
		else if ("-".equals(value) || "－".equals(value)) {
			return Negative;
		}
		
		return None;
	}

	public boolean isCompatible(BigDecimal value) {
		if (value == null) {
			return false;
		}
		
		if (None == this) {
			return true;
		}
		
		if (Positive == this) {
			return value.compareTo(BigDecimal.ZERO) >= 0;
		}
		
		if (Negative == this) {
			return value.compareTo(BigDecimal.ZERO) <= 0;
		}
		
		return true;
	}
}