package cn.cslg.pas.common.utils;

import cn.cslg.pas.common.vo.OPS.PatentNoDetailVO;
import org.springframework.stereotype.Component;

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

@Component
public class PatentNoUtil {

    public static PatentNoDetailVO getPatentNoDetail(String patentNo){
        PatentNoDetailVO patentNoDetailVO = new PatentNoDetailVO();
        Pattern PATENT_PATTERN = Pattern.compile("^([A-Za-z]{2})(\\d+)([A-Za-z\\d]+)$");
        Matcher matcher = PATENT_PATTERN.matcher(patentNo);
        if (matcher.find()) {
            String country = matcher.group(1);
            String num = matcher.group(2);
            String cc = matcher.group(3);
            patentNoDetailVO.setKind(cc);
            patentNoDetailVO.setNumber(num);
            patentNoDetailVO.setCc(country);
            return patentNoDetailVO;
        } else {
            throw new IllegalArgumentException("Invalid patent number format: " + patentNo);
        }
    }


    public static String formatApNo(String patentNo){
        Pattern patternEn = Pattern.compile("^[A-Za-z]{2}.*");
        Matcher matcher = patternEn.matcher(patentNo);
        if(!matcher.find()){
            patentNo ="CN"+patentNo;
        }
        String numbers = patentNo.replaceAll("[^\\d]", "");
        char secondLastChar = patentNo.charAt(patentNo.length() - 2);
        if(numbers.length()==13&&secondLastChar!='.'){
            StringBuilder stringBuilder =new StringBuilder(patentNo);
            stringBuilder.insert(patentNo.length() - 1,".");
            patentNo =stringBuilder.toString();
        }
        return patentNo;
    }
}