package com.changhong.epc.parsing.service.bill.impl;

import com.changhong.epc.bean.form.CpnVal;
import com.changhong.epc.bean.form.Fieldsets;
import com.changhong.epc.bean.form.FormBaseEntity;
import com.changhong.epc.bean.form.FormDataEntity;
import com.changhong.epc.bean.parsing.BillInfo;
import com.changhong.epc.bean.tenant.bill.IOCRBill;
import com.changhong.epc.bean.tenant.bill.OCRBillEntity;
import com.changhong.epc.bean.tenant.bill.OCRBillHeaderEntity;
import com.changhong.epc.constter.system.SystemClients;
import com.changhong.epc.parsing.service.util.IFromOperate;
import com.iemsoft.framework.cloud.core.tools.JSONTool;
import com.iemsoft.framework.cloud.core.tools.ObjectUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.math.NumberUtils;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import java.math.RoundingMode;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;

/**
 * 其它票据，分配行程（向表单赋值）
 */
@Slf4j
@Service
@Scope("prototype")
public class OtherTypeJourneyImpl extends AbstractJourney implements SystemClients {

    @Resource
    private IFromOperate fromOperate;

    /**
     * 把票据信息放到控件中
     * @param oCRBillEntity
     * @param billInfo
     * @return
     */
    @Override
    @Transactional
    public Fieldsets addBillInfo(OCRBillEntity oCRBillEntity, BillInfo billInfo) {
        /*
        准备数据
         */
        // 获得表单信息
        FormBaseEntity formBaseEntity = fromOperate.selectFromAll(billInfo);

        Fieldsets fieldsets = new Fieldsets(formBaseEntity);

        Map<String, Object> lineFromData = fromOperate.selectFromData(billInfo, fieldsets, oCRBillEntity);

        Map<String, String> billVal = getBillVal(oCRBillEntity);

        Integer dataId = null, childDataId = null;
        CpnVal childCpn = null;

        /*
        查找数据存放位置
         */
        for(Map.Entry<String, String> lineBillVal : billVal.entrySet()) {
            CpnVal child = getContainsChild(lineBillVal, fieldsets);
            if(child != null){
                childDataId = setVal(lineFromData, lineBillVal, child);
                childCpn = child;
            }else if(containsMainCpn(lineBillVal, fieldsets)){
                dataId = setVal(lineFromData, lineBillVal, null);
            }
        }
        // 修改主表数据
        FormDataEntity formDataEntity = new FormDataEntity();
        formDataEntity.setTenantId(Objects.toString(oCRBillEntity.getTenantId()));
        formDataEntity.setFormId(billInfo.getFormId());
        if(dataId != null) {
            formDataEntity.setDataRowNum(dataId);
            formDataEntity.setMap(getMapInfo(lineFromData, fieldsets.getMainCpn()));
            fromOperate.updateFormData(formDataEntity);
        }
        // 修改子表数据
        if(ObjectUtil.notEmpty(childDataId)) {
            if(childCpn != null){
                formDataEntity.setDataRowNum(childDataId);
                formDataEntity.setChildAlias(childCpn.getAlias());
                formDataEntity.setMap(getChildInfo((List<Map<String, Object>>) lineFromData.get(childCpn.getAlias()), fieldsets.getSubform().get(childCpn)));
                fromOperate.updateFormData(formDataEntity);
            }
            for (OCRBillHeaderEntity ocrBillHeaderEntity : oCRBillEntity.getBillDatas()) {
                ocrBillHeaderEntity.setBhJouneryId(childDataId);
            }
        }

        billInfoCheck(oCRBillEntity);

        // 添加票据数据
        insertBillData(billInfo, oCRBillEntity);

        return fieldsets;
    }

    private Map<String,Object> getChildInfo(List<Map<String, Object>> fromDataChild, List<CpnVal> childCpn) {
        if(ObjectUtil.empty(fromDataChild)){
            return null;
        }
        return getMapInfo(fromDataChild.get(0), childCpn);
    }

    protected Map<String, Object> getMapInfo(Map<String, Object> lineFromData, List<CpnVal> cpnVals){
        Map<String, Object> info = new HashMap<>();
        if(lineFromData == null || cpnVals == null){
            return info;
        }
        cpnVals.forEach(cpnVal -> info.put(cpnVal.getAlias(), lineFromData.get(cpnVal.getAlias())));
        return info;
    }

    private Integer setVal(Map<String, Object> lineFromData, Map.Entry<String, String> lineBillVal, CpnVal child) {
        if(child == null){
            lineFromData.remove(lineBillVal.getKey());
            lineFromData.put(lineBillVal.getKey(), lineBillVal.getValue());
            return NumberUtils.createInteger(Objects.toString(lineFromData.get("DATAROWNUM")));
        }else{
            List<Map<String, Object>> childDatas = ((List<Map<String, Object>>)lineFromData.get(child.getAlias()));
            Map<String, Object> childData = ObjectUtil.empty(childDatas) ? null : childDatas.get(0);
            if(childData != null) {
                childData.remove(lineBillVal.getKey());
                childData.put(lineBillVal.getKey(), lineBillVal.getValue());
                return NumberUtils.createInteger(Objects.toString(childData.get("DATAROWNUM")));
            }
            return null;
        }
    }
    /**
     * 获得包含的子表单
     * @param lineBillVal
     * @param fieldsets
     * @return
     */
    public static CpnVal getContainsChild(Map.Entry<String, String> lineBillVal, Fieldsets fieldsets){
        if(fieldsets.getSubform() == null || fieldsets.getSubform().isEmpty()){
            return null;
        }
        for(Map.Entry<CpnVal,List<CpnVal>> entry : fieldsets.getSubform().entrySet()){
            if(ObjectUtil.empty(entry.getValue())){
                continue;
            }
            for(CpnVal cpnVal : entry.getValue()){
                if(Objects.equals(cpnVal.getAlias(), lineBillVal.getKey())){
                    return entry.getKey();
                }
            }
        }
        return null;
    }

    /**
     * 是否包含在主控件中
     * @param lineBillVal
     * @param fieldsets
     * @return
     */
    public static boolean containsMainCpn(Map.Entry<String, String> lineBillVal, Fieldsets fieldsets){
        for(CpnVal cpnVal : fieldsets.getMainCpn()){
            if(Objects.equals(cpnVal.getAlias(), lineBillVal.getKey())){
                return true;
            }
        }
        return false;
    }

    /**
     * 获得票据值
     * @param oCRBillEntity
     * @return
     */
    protected Map<String, String> getBillVal(OCRBillEntity oCRBillEntity){
        if(oCRBillEntity == null){
            return new HashMap<>();
        }
        Map<String, String> billVal = new HashMap<>();

        // 添加 billVal 数据
        oCRBillEntity.getBillDatas()
                .forEach(ocrBillHeaderEntity ->{
                            if(ObjectUtil.empty(ocrBillHeaderEntity.getBillBodyEntityList())) {
                                addBillVal(ocrBillHeaderEntity, billVal);
                            }else {
                                ocrBillHeaderEntity.getBillBodyEntityList().forEach(ocrBillBodyEntity -> {
                                    addBillVal(ocrBillBodyEntity, billVal);
                                });
                            }
                        });
        log.debug("票据合并信息:{}", JSONTool.toJson(billVal));
        return billVal;
    }

    protected void addBillVal(IOCRBill iocrBill, Map<String, String> billVal){
        iocrBill.getBillKeyCode()
                .entrySet()
                .stream()
                .forEach(entry -> addBillVal(billVal, entry));
    }

    protected void addBillVal(Map<String, String> billVal, Map.Entry<String, String> entry){
        if(isNumber(entry.getValue())){
            Object val = billVal.get(entry.getKey());
            if(isNumber(val)){
                double sum = NumberUtils.createDouble(Objects.toString(val)) + NumberUtils.createDouble(Objects.toString(entry.getValue()));
                entry.setValue(toNumber(sum));
            }
        }
        billVal.put(entry.getKey(), Objects.toString(entry.getValue()));
    }

    protected static boolean isNumber(Object object){
        return NumberUtils.isNumber(Objects.toString(object, ""));
    }


    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);
    }

}