package com.zhgd.xmgl.util.imou;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.RequestEntity;
import org.apache.commons.httpclient.methods.StringRequestEntity;
import org.apache.commons.httpclient.params.HttpMethodParams;
import org.apache.commons.httpclient.protocol.Protocol;
import org.apache.commons.httpclient.protocol.ProtocolSocketFactory;
import org.apache.commons.io.IOUtils;

import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

@Slf4j
public class HttpSend {

    private static final String url = "https://openapi.lechange.cn/openapi/";

    public static JSONObject execute(Map<String, Object> paramsMap, String method, String appId, String appSecret) {
        Map<String, Object> map = paramsInit(paramsMap, appId, appSecret);
        // 返回json
        JSONObject jsonObj = doPost(url + method, map);
        log.info("=============================");
        log.info("返回结果：" + jsonObj.toJSONString());
        return jsonObj;

    }

    public static JSONObject doPost(String url, Map<String, Object> map) {
        String json = JSON.toJSONString(map);
        ProtocolSocketFactory factory = new MySecureProtocolSocketFactory();
        Protocol.registerProtocol("https", new Protocol("https", factory, 443));
        HttpClient client = new HttpClient();
        client.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "UTF-8");
        PostMethod method = new PostMethod(url);
        JSONObject jsonObject = new JSONObject();
        try {
            RequestEntity entity = new StringRequestEntity(json, "application/json", "UTF-8");
            method.setRequestEntity(entity);
            client.executeMethod(method);

            InputStream inputStream = method.getResponseBodyAsStream();
            String result = IOUtils.toString(inputStream, "UTF-8");
            jsonObject = JSONObject.parseObject(result);
        } catch (Exception e) {
            log.error("error：", e);
        } finally {
            method.releaseConnection();
        }
        return jsonObject;
    }

    protected static Map<String, Object> paramsInit(Map<String, Object> paramsMap, String appId, String appSecret) {
        long time = System.currentTimeMillis() / 1000;
        String nonce = UUID.randomUUID().toString();
        String id = UUID.randomUUID().toString();

        StringBuilder paramString = new StringBuilder();
        paramString.append("time:").append(time).append(",");
        paramString.append("nonce:").append(nonce).append(",");
        paramString.append("appSecret:").append(appSecret);

        String sign = "";
        // 计算MD5得值
        try {
            //log.info("传入参数：" + paramString.toString().trim());
            sign = DigestUtils.md5Hex(paramString.toString().trim().getBytes("UTF-8"));
        } catch (Exception e) {
            log.error("error：", e);
        }

        Map<String, Object> systemMap = new HashMap<String, Object>();
        systemMap.put("ver", "1.0");
        systemMap.put("sign", sign);
        systemMap.put("appId", appId);
        systemMap.put("nonce", nonce);
        systemMap.put("time", time);

        Map<String, Object> map = new HashMap<String, Object>();
        map.put("system", systemMap);
        map.put("params", paramsMap);
        map.put("id", id);
        return map;
    }


}