package com.tenwa.reckon.help;

import java.math.BigDecimal;
import java.util.Date;
import java.util.List;

import com.tenwa.reckon.bean.ConditionBean;
import com.tenwa.reckon.bean.FundRentPlanBean;
import com.tenwa.reckon.bean.TabCalBean;
import com.tenwa.reckon.util.DateUtil;
import com.tenwa.reckon.util.NumTools;
import com.tenwa.reckon.util.NumberUtils;
import com.tenwa.reckon.util.RateTools;
import com.tenwa.reckon.util.RentTools;


/**
 * 
 * @author SHIHONGFEI
 * @version 1.0
 * @copyright (C) TENWA 2011
 * @date 2011-3-4
 * @desc  ( 租金计划处理类)
 */
public class RentPlanServiceImpl {

	// 持久表租金计划信息
	// 租金计划集合调用利息，本金测算方法
	// RentCalcServiceImpl 租金测算服务接口调用方法 通过表信息,交易结构信息
	// calType：会计测算还是合同租金测算

	public FundRentPlanBean rentPlanCalByCondAndTb(ConditionBean cb, TabCalBean tcb, String calType) {
		return null;
	}

	/**
	 * 
	 * 
	 *  (  调整最后一期租金计划)
	 * 
	 * @param fpb
	 * @param rentScale
	 * @param totalCorpus
	 * @return
	 */
	public FundRentPlanBean adjustLastRentPlanWithZL(FundRentPlanBean fpb, String totalCorpus, String pmtEndValue, ConditionBean cb) {

		if (null != fpb) {
			List<String> rent_list = fpb.getRentList();// 租金列表
			List<String> corpus_list = fpb.getCorpusBusinessList();// 本金列表
			List<String> interest_list = fpb.getInterestBusinessList();// 利息列表

			corpus_list = formateByScale(corpus_list, RentTools.getCorpusAccuracy());
			interest_list = formateByScale(interest_list, RentTools.getInterestAccuracy());
			rent_list = formateByScale(rent_list, RentTools.getRentAccuracy());

			// 调整利息列
			interest_list = adjustInter(rent_list, corpus_list, interest_list);
			interest_list = formateByScale(interest_list, RentTools.getInterestAccuracy());

			// 本金，利息格式化为两位小数，最后在调整最后一期的租金计划信息

			// 得到最后期的本金值
			// 用利息倒减本金
			String lastCorpus = NumTools.formatNumberDoubleScale(new BigDecimal(rent_list.get(rent_list.size() - 1).toString()).subtract(new BigDecimal(interest_list.get(interest_list.size()-1))).toString(), RentTools.getInterestAccuracy());
			
			
			// 重新设置list值
			corpus_list.set(corpus_list.size() - 1, lastCorpus);
			//interest_list.set(interest_list.size() - 1, lastInter);
			rent_list.set(rent_list.size()-1, new BigDecimal(rent_list.get(rent_list.size()-1)).toString());
			
			fpb.setCorpusBusinessList(corpus_list);
			fpb.setInterestBusinessList(interest_list);
			fpb.setRentList(rent_list);
			
			List<String> rentRemainList = new RentalServiceImpl().getRentRemainList(rent_list);
			//Collections.sort( rentRemainList );
			fpb.setAllRemainRentList(rentRemainList);
		}

		return fpb;
	}
	
	/**
	 * 
	 * 
	 *  (  调整最后一期租金计划)
	 * 
	 * @param fpb
	 * @param rentScale
	 * @param totalCorpus
	 * @return
	 */
	public FundRentPlanBean adjustLastRentPlan(FundRentPlanBean fpb, String totalCorpus, String pmtEndValue) {

		if (null != fpb) {
			List<String> rent_list = fpb.getRentList();// 租金列表
			List<String> corpus_list = fpb.getCorpusBusinessList();// 本金列表
			List<String> interest_list = fpb.getInterestBusinessList();// 利息列表

			corpus_list = formateByScale(corpus_list, RentTools.getCorpusAccuracy());
			interest_list = formateByScale(interest_list, RentTools.getInterestAccuracy());
			rent_list = formateByScale(rent_list, RentTools.getRentAccuracy());

			// 调整利息列
			interest_list = adjustInter(rent_list, corpus_list, interest_list);
			interest_list = formateByScale(interest_list, RentTools.getInterestAccuracy());

			// 本金，利息格式化为两位小数，最后在调整最后一期的租金计划信息

			// 得到最后期的本金值
			String beforCorpus = getBefLastCorpus(corpus_list);
			String lastCorpus = NumTools.formatNumberDoubleScale(new BigDecimal(totalCorpus).subtract(new BigDecimal(pmtEndValue)).subtract(new BigDecimal(beforCorpus)).toString(), RentTools.getCorpusAccuracy());
			
			//本金比最后一期租金大的情况,租金调整为本金值
			if(new BigDecimal(lastCorpus).compareTo(new BigDecimal(rent_list.get(rent_list.size() -1))) > 0 
				|| new BigDecimal(interest_list.get(interest_list.size() -1)).compareTo(BigDecimal.ZERO) == 0) {
				rent_list.set(rent_list.size() -1, new BigDecimal(lastCorpus).add(new BigDecimal(interest_list.get(interest_list.size() -1))).toString());
			}
			
			String lastInter = NumTools.formatNumberDoubleScale(new BigDecimal(rent_list.get(rent_list.size() - 1).toString()).subtract(new BigDecimal(lastCorpus)).toString(), RentTools.getInterestAccuracy());

			// 重新设置list值
			corpus_list.set(corpus_list.size() - 1, lastCorpus);
			interest_list.set(interest_list.size() - 1, lastInter);

			fpb.setCorpusBusinessList(corpus_list);
			fpb.setInterestBusinessList(interest_list);
			fpb.setRentList(rent_list);
			
			List<String> rentRemainList = new RentalServiceImpl().getRentRemainList(rent_list);
			//Collections.sort( rentRemainList );
			fpb.setAllRemainRentList(rentRemainList);
		}

		return fpb;
	}
	/**
	 * 根据产品配置调整第一期和末期是否按日计息
	 * @param fpb
	 * @param totalCorpus
	 * @param pmtEndValue
	 * @return
	 * @throws Exception 
	 */
	@SuppressWarnings("deprecation")
	public FundRentPlanBean adjustFistAndLastRentPlan(FundRentPlanBean fpb, TabCalBean tcb) throws Exception {
		
		if (null != fpb) {
			List<String> rent_list = fpb.getRentList();// 租金列表
			List<String> corpus_list = fpb.getCorpusBusinessList();// 本金列表
			List<String> interest_list = fpb.getInterestBusinessList();// 利息列表
			List<String> interestFinacList=fpb.getColumn_2();//财务利息列表
			List<String> date_list=fpb.getPlanDateList();//计划日期列表
			if(!"start_date".equals(tcb.getCb().getInterestDayType()))
			{
				date_list=fpb.getInterestDateList();
			}
			ConditionBean cb=tcb.getCb();
			
			//LASTRENT_DAY 末期按日利率计算 FIRSTRENT_DAY 第一期按日利率计算
			if(cb.getFirstPlanDayRate()){
				Date startDate= new Date(cb.getStartDate());
				Date fistPlanDate=new Date(date_list.get(0));
				BigDecimal dayRate=RateTools.getPreDayRate(cb.getYearRate());//日利率
				String inte=NumTools.formatNumberDoubleScale(new BigDecimal(cb.getCleanLeaseMoney()).multiply(dayRate).multiply(new BigDecimal(DateUtil.getIntervalDays(startDate, fistPlanDate))).toString(),2);
				String rent=new BigDecimal(corpus_list.get(0)).add(new BigDecimal(inte)).toString();
				if(cb.getRentRound().length()>0){
					rent=NumberUtils.rentRound(rent, cb.getRentRound(),cb.getRentRoundType());
				}
				rent_list.set(0,rent);
				interest_list.set(0, NumTools.formatNumberDoubleScale(new BigDecimal(rent).subtract(new BigDecimal(corpus_list.get(0))).toString(),2));
				if(interestFinacList.size()==interest_list.size())
				interestFinacList.set(0, NumTools.formatNumberDoubleScale(new BigDecimal(rent).subtract(new BigDecimal(corpus_list.get(0))).toString(),2));
			}
			
			if(cb.getLastPlanDayRate()&&date_list.size()>1){
				Date startDate= new Date(date_list.get(date_list.size()-2));
				Date endDate=new Date(date_list.get(date_list.size()-1));
				BigDecimal dayRate=RateTools.getPreDayRate(cb.getYearRate());//日利率
				String inte=NumTools.formatNumberDoubleScale(new BigDecimal(corpus_list.get(corpus_list.size()-1)).add(new BigDecimal(cb.getEquipEndValue())).multiply(dayRate).multiply(new BigDecimal(DateUtil.getIntervalDays(startDate, endDate))).toString(),2);
				String rent=new BigDecimal(corpus_list.get(corpus_list.size()-1)).add(new BigDecimal(inte)).toString();
				if(cb.getRentRound().length()>0){
					rent=NumberUtils.rentRound(rent, cb.getRentRound(),cb.getRentRoundType());
				}
				rent_list.set(rent_list.size()-1,rent);
				interest_list.set(interest_list.size()-1, NumTools.formatNumberDoubleScale(new BigDecimal(rent).subtract(new BigDecimal(corpus_list.get(corpus_list.size()-1))).toString(),2));
				if(interestFinacList.size()==interest_list.size())
				interestFinacList.set(interest_list.size()-1, NumTools.formatNumberDoubleScale(new BigDecimal(rent).subtract(new BigDecimal(corpus_list.get(corpus_list.size()-1))).toString(),2));
			}

		}
		
		return fpb;
	}

	/**
	 * 
	 *  (  小数位数引起的误差，调整利息)
	 * 
	 * @param rent_list
	 * @param corpus_list
	 * @return
	 */
	public List<String> adjustInter(List<String> rent_list, List<String> corpus_list, List<String> interest_list) {
		BigDecimal bd = new BigDecimal("0");
		for (int i = 0; i < rent_list.size(); i++) {
			bd = new BigDecimal(rent_list.get(i).toString());
			bd = bd.subtract(new BigDecimal(corpus_list.get(i).toString()));
			interest_list.set(i, NumTools.formatNumberDoubleScale(bd.toString(), RentTools.getInterestAccuracy()));
		}
		return interest_list;
	}

	/**
	 * 
	 *  (  计算除最后一期外的所有的本金和)
	 * 
	 * @param corpus_list
	 * @return
	 */
	public String getBefLastCorpus(List<String> corpus_list) {
		BigDecimal bd = new BigDecimal("0");
		for (int i = 0; i < corpus_list.size() - 1; i++) {
			bd = bd.add(new BigDecimal(NumTools.formatNumberDoubleScale(corpus_list.get(i).toString(), 2)));
		}
		return bd.toString();
	}

	/**
	 * 
	 *  (  将集合中的元素格式化成两位小数返回)
	 * 
	 * @param number_list
	 * @return
	 */
	public List<String> formateByScale(List<String> number_list, int scale) {
		for (int i = 0; i < number_list.size(); i++) {
			number_list.set(i, NumTools.formatNumberDoubleScale(number_list.get(i).toString(), scale));
		}
		return number_list;
	}
}