/**
 *                                                                            
 * Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 *                                                                            
 * All rights reserved. This program and the accompanying materials           
 * are made available under the terms of the Eclipse Public License 2.0        
 * which accompanies this distribution, and is available at                  
 * https://www.eclipse.org/legal/epl-2.0/                                 
 *                                 
 * SPDX-License-Identifier: EPL-2.0                                 
 *                                                                            
 * Contributors:   
 * Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation 
 */
package org.eclipse.osbp.utils.currency;

import java.text.ParseException;
import java.util.Currency;

import org.joda.money.CurrencyUnit;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

/**
 *  utilities for currency and currency units
 */
public class Utilities {

	private static DateTimeFormatter REFERENCE_DATE_FORMAT = DateTimeFormat.forPattern("yyyy-MM-dd");
	
	/**
	 * @param referenceDate in the format YYYY-MM-DD
	 * @return the corresponding Calendar instance for the referenceDate
	 * @throws ParseException
	 */
	public static DateTime toIndexingDateTime(String referenceDate) throws ParseException {
		return DateTime.parse(referenceDate, REFERENCE_DATE_FORMAT);
	}

	public static DateTime toIndexingDateTime(DateTime referenceDate) {
		return new DateTime(referenceDate.getYear(), referenceDate.getMonthOfYear(), referenceDate.getDayOfMonth(), 0, 0);
	}
	
	/**
	 *  @param currencyUnit
	 *  @return return CurrencyUnit instance for the parameter given
	 */
	public static CurrencyUnit of(CurrencyUnit currencyUnit) {
		return currencyUnit;
	}

	/**
	 *  @param currency
	 *  @return return CurrencyUnit instance for the parameter given
	 */
	public static CurrencyUnit of(Currency currency) {
		return CurrencyUnit.of(currency);
	}

	/**
	 *  @param currencyIso4217 as defined in ISO-4217
	 *  @return return CurrencyUnit instance for the parameter given
	 */
	public static CurrencyUnit of(String currencyIso4217) {
		return CurrencyUnit.of(currencyIso4217);
	}
}