package com.bfd.qanda.utils;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.JSONPath;

import java.util.Map;

/**
 * @author:jinming
 * @className:DataUtil
 * @version:1.0
 * @description: 获取dataValue的值
 * @Date:2023/11/1 9:54
 */
public class DataUtil {
    /**
     *
     * @param key 传入的key
     * @param dataMap 数据map
     * @return 根据传入的参数进行判断解析，返回正确的dataValue
     */
    public static Object getValue(String key, Map dataMap) {
        Object dataValue;
        String isJson = "#json#";
        if (key.contains(isJson)) {
            //进行第一次拆分，获取#json#前面的部分
            String[] keySplit = key.split(isJson);
            String firstDataKey = keySplit[0];
            String[] firstDataKeySplit = firstDataKey.split(":");
            //取出前半部分对应的JSON数据并转换为JSONObject
            String dataJson = (String) dataMap.get(firstDataKeySplit[0]);
            JSONObject dataJsonObject = JSON.parseObject(dataJson);
            //根据key的后半部分取出对应JSONObject中的值
            String firstDataKeyJson = (String) JSONPath.eval(dataJsonObject, firstDataKeySplit[1]);
            String secDataKey = keySplit[1];
            JSONObject firstDataJsonObject = JSON.parseObject(firstDataKeyJson);
            dataValue = JSONPath.eval(firstDataJsonObject, secDataKey);
            return dataValue;
        }
        String[] keySplit = key.split(":");
        String jsonPath = keySplit[1];
        String dataJson = (String) dataMap.get(keySplit[0]);
        JSONObject dataJsonObject = JSON.parseObject(dataJson);
        dataValue =  JSONPath.eval(dataJsonObject, jsonPath);
        return dataValue;
    }
}