package com.nq.service.impl;

import com.nq.enums.EStockType;
import com.nq.service.IRateServices;
import com.nq.service.ISiteAdminService;
import com.nq.service.ISiteSettingService;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.math.BigDecimal;
import java.math.RoundingMode;

@Service
public class RateServicesImpl  implements IRateServices {

    @Resource
    ISiteSettingService iSiteSettingService;
    @Override
    public BigDecimal currencyRate(EStockType fromStockType, EStockType tofromStockType) {
        if(fromStockType == null || tofromStockType == null){
            return new BigDecimal(1);
        }
       BigDecimal rate =  iSiteSettingService.getSiteSetting().getExchangeRate();
        BigDecimal rate1 =  new BigDecimal(7.35);
        if(fromStockType==EStockType.US){
            if(tofromStockType==EStockType.MAS){
                return rate;
            }else if(tofromStockType==EStockType.HK){
                return rate1;
            }
        }if(fromStockType==EStockType.HK){
            if(tofromStockType==EStockType.MAS){
               return new BigDecimal(1).divide(rate1,18, RoundingMode.HALF_DOWN).multiply(rate);
            }else if(tofromStockType==EStockType.US){
                return new BigDecimal(1).divide(rate1,18, RoundingMode.HALF_DOWN);
            }
        } else {
            if(tofromStockType==EStockType.US){
                return   new BigDecimal(1).divide(rate,18, RoundingMode.HALF_DOWN);
            }else{
                return   new BigDecimal(1).divide(rate,18, RoundingMode.HALF_DOWN).multiply(rate1);
            }
        }
     
        return new BigDecimal(1);

    }

}