package org.matrix.actuators.util;


import com.alibaba.fastjson.JSON;
import com.jayway.jsonpath.JsonPath;
import org.matrix.actuators.checkpoint.JsonPathCheckPoint;
import org.matrix.actuators.sql.SqlExpActuator;
import org.matrix.util.SpringUtils;

import java.util.function.BiFunction;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 补全http和检验点中的表达式的一些公共方法
 * @author huangxiahao
 */
public class CompleteExpressionUtil {

    public static final String JSON_PATH_REG = "\\{(\\s)*\\$.*?}";

    public static final String ACTION_REG = "\\$(?=\\{(\\s)*pre\\.)(.*?)(?<=})(\\[(.*?)])?";

    public static final String ENV_VARIABLE_REG = "\\#\\{(.*?)}";

    public static final String DYNAMIC_VARIABLE_REG = "\\$\\{(((?!pre\\.).)*?)}(\\[(.*?)])?";

    public static String completeDynamicVariable(String expression,Long envId,Long projectId) {
        String result = expression;
        result = regexExpression(result, DYNAMIC_VARIABLE_REG, null, (o, s) -> getSqlExpActuator().parseVarByName(s,envId,projectId));
        return result;
    }

    /**
     *
     * @param jsonObject 这个Object 是由  Configuration.defaultConfiguration().jsonProvider().parse(“json字符串”);  这个方法转换过来的 请不要乱传
     * @return
     */
    public static String completeJsonPathExpression(String expression, Object jsonObject) {
        String result = expression;
        result = regexExpression(result, JSON_PATH_REG, jsonObject, (o, s) -> JSON.toJSONString(JsonPath.read(o, s.substring(1, s.length() - 1))));
        return result;
    }

    public static String regexExpression(String expression, String regex,Object sourceContent, BiFunction<Object,String,String> biFunction){
        String result = expression;
        Pattern pattern = Pattern.compile(regex);
        Matcher mat = pattern.matcher(result);
        while (mat.find()) {
            String group = mat.group();
            String read = biFunction.apply(sourceContent,group);
            result = mat.replaceAll(read);
        }
        return result;
    }

    private static SqlExpActuator getSqlExpActuator(){
        return SpringUtils.getBean("sqlExpActuator");
    }
}
