package com.qs.serve.common.util;

import com.qs.serve.common.framework.mybatis.join.annotations.BindEntity;
import com.qs.serve.common.model.annotation.BusinessDifference;
import com.qs.serve.common.model.dto.DiffFieldVal;
import com.qs.serve.modules.bms.entity.BmsSupplierContacts;
import com.qs.serve.modules.sys.entity.SysBusinessLog;
import lombok.SneakyThrows;

import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;

/**
 * @author YenHex
 * @since 2023/4/25
 */
public class BusinessDifferenceUtil {

    @SneakyThrows
    public static <T> List<DiffFieldVal> getDifferenceList(T orgVal, T newVal){
        List<DiffFieldVal> diffFieldValList = new ArrayList<>();
        if(orgVal==null||newVal==null){
            return diffFieldValList;
        }
        Class<?> clazz = null;
        try {
            clazz = Class.forName(orgVal.getClass().getName());
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        if(clazz==null){return diffFieldValList;}
        Field[] fields = clazz.getDeclaredFields();
        for (Field field : fields) {
            for (Annotation annotation : field.getAnnotations()) {
                if(annotation instanceof BusinessDifference){
                    BusinessDifference busDiff = (BusinessDifference) annotation;
                    field.setAccessible(true);
                    Object orgValue = field.get(orgVal);
                    Object newValue = field.get(newVal);
                    if(newValue==null){
                        continue;
                    }
                    if(orgValue==null){
                        orgValue = "";
                    }
                    if(!orgValue.equals(newValue)){
                        DiffFieldVal fieldVal = new DiffFieldVal();
                        fieldVal.setField(field.getName());
                        fieldVal.setNewValue(newValue.toString());
                        fieldVal.setOrgValue(orgValue.toString());
                        fieldVal.setComment(busDiff.value());
                        diffFieldValList.add(fieldVal);
                    }
                }
            }
        }
        return diffFieldValList;
    }

    public static void main(String[] args) {
        BmsSupplierContacts supplierContacts = new BmsSupplierContacts();
        supplierContacts.setContactsName("名称1");
        supplierContacts.setContactsPost("setContactsPost");


        BmsSupplierContacts supplierContacts2 = new BmsSupplierContacts();
        supplierContacts2.setContactsName("名称2");
        supplierContacts2.setContactsNumber("123456");
        supplierContacts2.setContactsPost("setContactsPost");

        List<DiffFieldVal> diffFieldValList  =BusinessDifferenceUtil.getDifferenceList(supplierContacts,supplierContacts2);
        for (DiffFieldVal fieldVal : diffFieldValList) {
            System.out.println(JsonUtil.objectToJson(fieldVal));
        }
    }

}