package com.dsh.guns.modular.system.util;


import com.github.binarywang.wxpay.v3.WechatPayUploadHttpPost;
import com.wechat.pay.contrib.apache.httpclient.WechatPayHttpClientBuilder;
import com.wechat.pay.contrib.apache.httpclient.auth.AutoUpdateCertificatesVerifier;
import com.wechat.pay.contrib.apache.httpclient.auth.PrivateKeySigner;
import com.wechat.pay.contrib.apache.httpclient.auth.WechatPay2Credentials;
import com.wechat.pay.contrib.apache.httpclient.auth.WechatPay2Validator;
import com.wechat.pay.contrib.apache.httpclient.util.PemUtil;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.lang3.time.DateUtils;
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.util.EntityUtils;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.charset.StandardCharsets;
import java.security.PrivateKey;
import java.text.ParseException;
import java.util.Date;

import static org.apache.http.HttpStatus.SC_OK;
import static org.junit.Assert.assertEquals;


/**
 * 定时任务工具类
 */
@Component
public class WxUploadImgUtil {
    // 你的商户私钥
    private static final String privateKey = "-----BEGIN PRIVATE KEY-----\n"
            + "-----END PRIVATE KEY-----\n";
    //测试AutoUpdateCertificatesVerifier的verify方法参数
    private static final String serialNumber = "";
    private static final String message = "";
    private static final String signature = "";
    private static final String merchantId = ""; // 商户号
    private static final String merchantSerialNumber = ""; // 商户证书序列号
    private static final String apiV3Key = ""; // API V3密钥
    private CloseableHttpClient httpClient;
    private AutoUpdateCertificatesVerifier verifier;

    public  String uploadImg(String date, String pattern) throws IOException, URISyntaxException {
        PrivateKey merchantPrivateKey = PemUtil.loadPrivateKey(privateKey);

        //使用自动更新的签名验证器，不需要传入证书
        verifier = new AutoUpdateCertificatesVerifier(
                new WechatPay2Credentials(merchantId, new PrivateKeySigner(merchantSerialNumber, merchantPrivateKey)),
                apiV3Key.getBytes(StandardCharsets.UTF_8));

        httpClient = WechatPayHttpClientBuilder.create()
                .withMerchant(merchantId, merchantSerialNumber, merchantPrivateKey)
                .withValidator(new WechatPay2Validator(verifier))
                .build();
        String filePath = "/your/home/hellokitty.png";
        URI uri = new URI("https://api.mch.weixin.qq.com/v3/merchant/media/upload");
        File file = new File(filePath);
        try (FileInputStream fileIs = new FileInputStream(file)) {
            String sha256 = DigestUtils.sha256Hex(fileIs);
            try (InputStream is = new FileInputStream(file)) {
                WechatPayUploadHttpPost request = new WechatPayUploadHttpPost.Builder(uri)
                        .withImage(file.getName(), sha256, is)
                        .build();

                try (CloseableHttpResponse response = httpClient.execute(request)) {
                    assertEquals(SC_OK, response.getStatusLine().getStatusCode());
                    HttpEntity entity = response.getEntity();
                    // do something useful with the response body
                    // and ensure it is fully consumed
                    String s = EntityUtils.toString(entity);
                    System.out.println(s);
                }
            }
        }
        httpClient.close();
        return null;
    }







}