package com.changhong.epc.count.service.format.impl;

import com.changhong.epc.bean.count.format.CpnInfo;
import com.changhong.epc.bean.count.format.CpnInfoCommons;
import com.changhong.epc.bean.count.format.FormInfo;
import com.changhong.epc.bean.count.format.ItemInfo;
import com.changhong.epc.bean.tenant.bill.IOCRBill;
import com.changhong.epc.count.service.count.model.CountResultLast;
import com.iemsoft.framework.cloud.core.tools.MsgTool;
import com.iemsoft.framework.cloud.core.tools.ObjectUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.math.NumberUtils;
import org.springframework.stereotype.Service;

import java.math.RoundingMode;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.*;
import java.util.function.Function;

/**
 * 格式化票据信息
 */
@Service("formatBillInfoCount")
@Slf4j
public class FormatBillInfoCount extends FormatFormInfoCount{

    /**
     * 添加票据信息
     * @param formInfo
     * @param countResultLast
     */
    @Override
    public void formatResult(FormInfo formInfo, CountResultLast countResultLast) {
        super.formatResult(formInfo, countResultLast);
        if(ObjectUtil.notEmpty(countResultLast.getIParamIter().getBillList())) {
            Map<Integer, List<IOCRBill>> billList = countResultLast.getIParamIter().getBillList();
            CpnInfo journey = getJourneyInfo(formInfo);
            // 有行程
            if (journey != null) {
                for (ItemInfo itemInfo : journey.getChild()) {
                    List<IOCRBill> iocrBills;
                    if ((iocrBills = billList.get(itemInfo.getCId())) == null) {
                        continue;
                    }
                    forJourney(formInfo, itemInfo, iocrBills);
                }
            }
        }
        // 主表单
        setCpnBillMsg(formInfo, countResultLast.getIParamIter().getAllBillList());
    }

    /**
     * 循环行程数据
     * @param formInfo
     * @param itemInfo
     * @param iocrBills
     */
    protected void forJourney(FormInfo formInfo, ItemInfo itemInfo, List<IOCRBill> iocrBills){
        setCpnBillMsg(itemInfo, iocrBills);
    }

    /**
     * 添加控件值
     * @param itemInfo
     * @param iocrBills
     */
    protected void setCpnBillMsg(CpnInfoCommons itemInfo, List<IOCRBill> iocrBills) {
        Map<String, String> billKeyCode = getBillKeyCode(iocrBills);
        Map<String, String> billKeyName = getBillKeyName(iocrBills);
        log.debug("开始赋值表单{}, code:{}, name:{}", itemInfo, billKeyCode, billKeyName);

        itemInfo.cpnInfos().stream()
                .filter(item->billKeyCode.get(item.getFieldKey()) != null)
                .forEach(item->
                    itemInfo.addCpnMsg(item.getFieldKey()
                            , CpnInfo.CpnMsgCode.header
                            , new TreeSet<>(
                                    Arrays.asList(
                                            new CpnInfo.CpnMsgInfo(MsgTool.get(BILL_TITLE_NAME)
                                                    , billKeyName.get(item.getFieldKey())
                                                    , billKeyCode.get(item.getFieldKey())
                                                    , true)
                                    )
                            )
                    )
                );
    }

    /**
     * 获得票据信息
     * 别名:编码
     * @param iocrBills
     * @return
     */
    public Map<String, String> getBillKeyCode(List<IOCRBill> iocrBills){
        Map<String, String> billInfo = new HashMap<>();
        iocrBills.stream().forEach(iocrBill ->appendBillInfo(billInfo, iocrBill, IOCRBill::getBillKeyCode));
        return billInfo;
    }

    /**
     * 获得票据信息
     * 别名:名称
     * @param iocrBills
     * @return
     */
    public Map<String, String> getBillKeyName(List<IOCRBill> iocrBills){
        Map<String, String> billInfo = new HashMap<>();
        iocrBills.stream().forEach(iocrBill ->appendBillInfo(billInfo, iocrBill, IOCRBill::getBillKeyName));
        return billInfo;
    }

    protected void appendBillInfo(Map<String, String> billInfo, IOCRBill iocrBill, Function<IOCRBill, Map<String, String>> map){
        Map<String, String> iocrBillInfo = map.apply(iocrBill);
        iocrBillInfo.entrySet().stream().forEach(entry -> {
            String val = billInfo.get(entry.getKey());
            if(ObjectUtil.empty(val)){
                billInfo.put(entry.getKey(), entry.getValue());
                return;
            }

            if(NumberUtils.isNumber(val) && NumberUtils.isNumber(entry.getValue())){
                billInfo.put(entry.getKey()
                        , toNumber(NumberUtils.createDouble(val) + NumberUtils.createDouble(entry.getValue())));
            }else {
                billInfo.put(entry.getKey(), entry.getValue());
            }
        });
    }

//    public static void main(String... args){
//        System.out.println(toNumber(6040.76));
//        System.out.println(toNumber(100));
//        System.out.println(toNumber(0.100));
//    }

    public static String toNumber(double d) {
        NumberFormat nf = new DecimalFormat("0.00");

        // 保留两位小数
//        nf.setMaximumFractionDigits(2);

        // 如果不需要四舍五入，可以使用RoundingMode.DOWN
        nf.setRoundingMode(RoundingMode.UP);

        return nf.format(d);
    }

}