package com.ruoyi.web.controller.tide;

import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.RandomUtil;
import cn.hutool.crypto.digest.HMac;
import cn.hutool.crypto.digest.HmacAlgorithm;
import cn.hutool.http.HttpRequest;
import com.alibaba.fastjson2.JSONObject;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.HashMap;

@Data
@Component
@Slf4j
public class TideUtils {
    private final static String appId = "19472937-3039-4bf1-8334-13dc20e076e5";

    private final static String appSecret = "b57bbad60724f810e7bb7e1e7b8791b63eba50e50faef6fa819ade822fac9e4a";

    // 内网地址
    private final static String ip = "http://58.56.84.138:8083";

    // MD5加密并转换为16进制
    public static String md5Encryption(String input) {
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            byte[] digest = md.digest(input.getBytes());
            StringBuilder sb = new StringBuilder();
            for (byte b : digest) {
                sb.append(String.format("%02x", b & 0xff));
            }
            return sb.toString();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
            return null;
        }
    }

    // get请求
    public static HashMap<String, String> getGetHeader(String parameter) {
        // 时间戳
        String xTime = String.valueOf(DateUtil.current());
        // 获取随机16位字符串
        String xRandom = RandomUtil.randomString(16);
        String xSignSplicingTogether;
        // 有参数
        if (ObjectUtils.isNotEmpty(parameter)) {
            // 加密得出x-body
            String xBody = md5Encryption(parameter);
            // 为x-sign加密做拼接
            xSignSplicingTogether = "x-body=" + xBody + "&x-random=" + xRandom + "&x-time=" + xTime;
        // 无参数
        } else {
            xSignSplicingTogether = "x-random=" + xRandom + "&x-time=" + xTime;
        }
        // 配置加密方式与密钥
        HMac hMac = new HMac(HmacAlgorithm.HmacSHA256, appSecret.getBytes());
        // 得出x-sign
        String xSign = hMac.digestHex(xSignSplicingTogether);
        HashMap<String, String> result = new HashMap<>();
        result.put("x-time", xTime);
        result.put("x-random", xRandom);
        result.put("x-sign", xSign);
        result.put("appKey", appId);
        return result;
    }

    // post请求
    public static HashMap<String, String> getPostHeader(String parameter) {
        // 时间戳
        String xTime = String.valueOf(DateUtil.current());
        // 获取随机16位字符串
        String xRandom = RandomUtil.randomString(16);
        String xSignSplicingTogether;
        // 有参数
        if (ObjectUtils.isNotEmpty(parameter)) {
            // 加密得出x-body
            String xBody = md5Encryption(parameter);
            // 为x-sign加密做拼接
            xSignSplicingTogether = "x-body=" + xBody + "&x-random=" + xRandom + "&x-time=" + xTime;
            // 无参数
        } else {
            xSignSplicingTogether = "x-random=" + xRandom + "&x-time=" + xTime;
        }
        // x-sign 加密
        HMac hMac = new HMac(HmacAlgorithm.HmacSHA256, appSecret.getBytes());
        String xSign = hMac.digestHex(xSignSplicingTogether);
        HashMap<String, String> result = new HashMap<>();
        result.put("x-time", xTime);
        result.put("x-random", xRandom);
        result.put("x-sign", xSign);
        result.put("appKey", appId);
        return result;
    }

    /**
     * 五分钟一次的心跳
     */
//    @Scheduled(cron = "0 0/5 * * * ?")
    public static void heartbeat(){
        HashMap<String, String> header = getGetHeader(null);
        String url = ip + "/cpn/api/extra/v1/application/heartbeat";
        String body = HttpRequest.get(url).headerMap(header, false).execute().body();
        System.out.println(body + "=======MES心跳执行成功！");
    }

    // 获取token
    public static String getToken(String code) {
        String url = ip + "/cpn/extral/applicationCode/appAuthCheck";
        JSONObject json = new JSONObject();
        json.put("code", code);
        json.put("appID", appId);
        json.put("appSecret", appSecret);
        HashMap<String, String> header = getPostHeader(json.toString());
        String body = HttpRequest.post(url)
                .headerMap(header, false)
                .body(json.toString())
                .execute().body();
        JSONObject jsonObject = JSONObject.parseObject(body);
        return jsonObject.get("data").toString();
    }

    // 获取用户信息
    public static JSONObject getUserInfo(String token) {
        String url = ip + "/cpn/api/extral/applicationCode/getUserInfoByToken";
        JSONObject json = new JSONObject();
        json.put("appID", appId);
        HashMap<String, String> header = getPostHeader(json.toString());
        header.put("Authorization", token);
        String body = HttpRequest.post(url)
                .headerMap(header, false)
                .body(json.toString())
                .execute().body();
        JSONObject jsonObject = JSONObject.parseObject(body);
        return JSONObject.parseObject(jsonObject.get("data").toString());
    }

    public static JSONObject getResult(Integer code, String msg, Object data) {
        JSONObject json = new JSONObject();
        json.put("code", code);
        json.put("msg", msg);
        json.put("data", data);
        String xRandom = RandomUtil.randomString(16);
        json.put("traceId", xRandom);
        return json;
    }

    public static String getRandomString(int length) {
        SecureRandom random = new SecureRandom();
        String uppercaseLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
        String lowercaseLetters = "abcdefghijklmnopqrstuvwxyz";
        String numbers = "0123456789";
        String specialCharacters = "!@$%^&*()_+-=.";
        String characterSet = uppercaseLetters + lowercaseLetters + numbers + specialCharacters;
        StringBuilder passwordBuilder = new StringBuilder();

        for (int i = 0; i < length; i++) {
            int randomIndex = random.nextInt(characterSet.length());
            char randomChar = characterSet.charAt(randomIndex);
            passwordBuilder.append(randomChar);
        }

        return passwordBuilder.toString();
    }
}