package com.tenwa.flow.util;

import java.util.HashMap;
import java.util.Map;

import com.amarsoft.app.util.ProductParamUtil;
import com.tenwa.reckon.util.NumTools;
import com.tenwa.reckon.util.NumberUtils;
import com.tenwa.reckon.util.RentTools;

public class CalculateUtil {
	/**
	 * 
	 * @param product_id  产品编号
	 * @param clean_lease_money  融资额
	 * @param income_number		期数
	 * @return rent 每月租金
	 * @throws Exception
	 */
	public static String getRentByProductId(String product_id,String clean_lease_money,String income_number) throws Exception{
		Map<String,String> map = new HashMap<String,String>();
		//年利率
		String retu_vale = ProductParamUtil.getProductParameterValue(product_id,"PRD0350","product_rate","ProductRate");
		//期数
		String rem_rent_list = income_number;
		//融资额
		String rem_corpus = clean_lease_money;
		//数字 1:期初;或 0:期末
		String period_type = ProductParamUtil.getProductParameterValue(product_id,"PRD0350","period_type","begin_end");
		if("period_type_1".equals(period_type)){
			period_type="1";
		}else{
			period_type="0";
		}
		//还款间隔,汽车一般都是月付，所以先按12来，以后有需求再改
		String income_number_year = "12";
		//未来值，默认为"0"
		String nominalprice ="0";
		
		map.put("retu_vale", retu_vale);
		map.put("rem_rent_list", rem_rent_list);
		map.put("rem_corpus", rem_corpus);
		map.put("period_type", period_type);
		map.put("income_number_year", income_number_year);
		map.put("nominalprice", nominalprice);
		
		String rent = RentTools.getRentByPmt(map);
		//租金圆整
		String rentRound = ProductParamUtil.getProductParameterValue(product_id,"PRD0323","RentRound","RentRound");
		String rentRoundType = ProductParamUtil.getProductParameterValue(product_id,"PRD0323","RentRound","RentRoundType");
		if(rentRound.length()>0){
			rent=NumberUtils.rentRound(rent, rentRound,rentRoundType);
		}else{
			rent = NumTools.formatNumberDoubleScale(rent, 2);
		}
		return rent;
	}
}