package com.ruoyi.cai.trdpay;

import cn.hutool.crypto.digest.DigestUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

public class PayMd5Util {
    public static MultiValueMap<String,String> createParamsOfMap(Map<String, String> params, String key) {
        MultiValueMap<String, String> resp = new LinkedMultiValueMap<>();
        List<String> url = new ArrayList<>();
        for (Map.Entry<String, String> entry : params.entrySet()) {
            url.add(entry.getKey() + "=" + entry.getValue());
            resp.add(entry.getKey(), entry.getValue());
        }
        url = url.stream().sorted().collect(Collectors.toList());
        String stringSignTemp = StringUtils.join(url, "&") + "&key=" + key;
        String sign = DigestUtil.md5Hex(stringSignTemp).toUpperCase();
        url.add("sign=" + sign);
        resp.add("sign",sign);
        return resp;
    }

    public static String createParams(Map<String, String> params, String key) {
        List<String> url = new ArrayList<>();
        for (Map.Entry<String, String> entry : params.entrySet()) {
            url.add(entry.getKey() + "=" + entry.getValue());
        }
        url = url.stream().sorted().collect(Collectors.toList());
        String stringSignTemp = StringUtils.join(url, "&") + "&key=" + key;
        String sign = DigestUtil.md5Hex(stringSignTemp).toUpperCase();
        url.add("sign=" + sign);
        return StringUtils.join(url, "&");
    }

    public static String createParams(Map<String, String> params, String key,String signName) {
        List<String> url = new ArrayList<>();
        for (Map.Entry<String, String> entry : params.entrySet()) {
            url.add(entry.getKey() + "=" + entry.getValue());
        }
        url = url.stream().sorted().collect(Collectors.toList());
        String stringSignTemp = StringUtils.join(url, "&") + "&key=" + key;
        String sign = DigestUtil.md5Hex(stringSignTemp).toUpperCase();
        url.add(signName + "=" + sign);
        return StringUtils.join(url, "&");
    }
}