package com.fzzy.gateway.hx2023.service;

import com.alibaba.fastjson2.JSONObject;
import com.fzzy.api.data.PushProtocol;
import com.fzzy.api.utils.MyMD5Util;
import com.fzzy.api.utils.RSAUtils;
import com.fzzy.api.utils.RedisConst;
import com.fzzy.api.utils.RedisUtil;
import com.fzzy.api.view.repository.ApiLogRep;
import com.fzzy.gateway.service.GatewayConfService;
import com.fzzy.gateway.util.GatewayHttpUtil;
import com.fzzy.gateway.api.GatewayRemoteService;
import com.fzzy.gateway.entity.GatewayConf;
import com.fzzy.gateway.hx2023.ScConstant;
import com.fzzy.gateway.hx2023.data.CloudResp;
import com.fzzy.gateway.util.GatewayRSAUtils;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.util.HashMap;
import java.util.Map;


@Slf4j
@Data
@Component
public class HxGatewayRemoteServiceImpl implements GatewayRemoteService {


    @Resource
    private ApiLogRep apiLogRep;


    @Resource
    private GatewayConfService gatewayConfService;


    @Override
    public String getProtocol() {
        return PushProtocol.GATEWAY_SC_2023.getCode();
    }

    @Override
    public void init(GatewayConf gatewayConf) {
        try {

            if (StringUtils.isEmpty(gatewayConf.getApiUrl())) {
                return;
            }

            //获取公私钥接口
            Map<String, String> params = new HashMap<>();
            params.put("appId", gatewayConf.getGatewayId());

            String url = gatewayConf.getApiUrl() + "reserver/api/key/apply";
            String jsonStr = GatewayHttpUtil.doGet(url, params);

            log.info("---获取公私钥接口-返回---{}", jsonStr);

            CloudResp respKey = JSONObject.parseObject(jsonStr, CloudResp.class);

            if (ScConstant.CODE_200 == respKey.getCode()) {
                JSONObject object = respKey.getData();
                String pubKey = (String) object.get("pubKey");
                String priKey = (String) object.get("priKey");

                gatewayConf.setPublicKey(pubKey);
                gatewayConf.setPrivateKey(priKey);
            }


            //获取 AccessToken 接口
            String sign = getSign(params, gatewayConf.getPrivateKey());
            params.put("sign", sign);
            url = gatewayConf.getApiUrl() + "reserver/api/token/apply";
            jsonStr = GatewayHttpUtil.doGet(url, params);
            log.info("---获取AccessToken接口-返回---{}", jsonStr);
            CloudResp respToken = JSONObject.parseObject(jsonStr, CloudResp.class);

            if (ScConstant.CODE_200 == respToken.getCode()) {
                JSONObject object = respKey.getData();
                if (null != object) {
                    String token = (String) object.get("token");
                    gatewayConf.setAccessToken(token);
                }
            }

            //更新缓存
            updateAuthToken(gatewayConf);

        } catch (Exception e) {
            log.error("------初始化失败-----{}", e);
        }
    }

    @Override
    public void heartbeat(GatewayConf gatewayConf) {
        try {

            if (StringUtils.isEmpty(gatewayConf.getApiUrl())) {
                return;
            }

            gatewayConf = getCacheConf(gatewayConf.getKqdm());
            //网关心跳接口
            Map<String, String> params = new HashMap<>();
            params.put("token", gatewayConf.getAccessToken());
            params.put("gatewayId", gatewayConf.getGatewayId());
            params.put("gatewayIp", gatewayConf.getGatewayIp());
            params.put("gatewayMac", gatewayConf.getGatewayMac());
            params.put("heartbeat", "1");
            params.put("timestamp", System.currentTimeMillis() + "");

            String sign = getSign(params, gatewayConf.getPrivateKey());
            params.put("sign", sign);

            String url = gatewayConf.getApiUrl() + "reserver/api/iot/equipment/heartbeat";

            String jsonStr = GatewayHttpUtil.doGet(url, params);
            log.info("---网关心跳接口-返回---{}", jsonStr);

        } catch (Exception e) {
            log.error("------网关心跳接口--执行失败-----{}", e);
        }

    }

    @Override
    public void pushInfo(GatewayConf gatewayConf) {
        try {

            if (StringUtils.isEmpty(gatewayConf.getApiUrl())) {
                return;
            }

            gatewayConf = getCacheConf(gatewayConf.getKqdm());
            //网关心跳接口
            Map<String, String> params = new HashMap<>();
            params.put("token", gatewayConf.getAccessToken());
            params.put("gatewayId", gatewayConf.getGatewayId());
            params.put("gatewayIp", gatewayConf.getGatewayIp());
            params.put("gatewayMac", gatewayConf.getGatewayMac());
            params.put("gatewayCPU", gatewayConf.getGatewayCPU());
            params.put("gatewayMem", gatewayConf.getGatewayMem());
            params.put("gatewayHardDisk", gatewayConf.getGatewayHardDisk());
            params.put("timestamp", System.currentTimeMillis() + "");

            String sign = getSign(params, gatewayConf.getPrivateKey());
            params.put("sign", sign);

            String url = gatewayConf.getApiUrl() + "reserver/api/iot/equipment/heartbeat";

            String jsonStr = GatewayHttpUtil.doGet(url, params);
            log.info("---推送网关信息-返回---{}", jsonStr);

        } catch (Exception e) {
            log.error("------推送网关信息--执行失败-----{}", e);
        }
    }


    public String getSign(Map<String, String> parames, String priKey) {
        //参数拼接
        String msg = "";
        for (Map.Entry<String, String> param : parames.entrySet()) {
            msg += param.getKey() + "=" + param.getValue() + "&";
        }
        msg = msg.substring(0, msg.length() - 1);

        log.debug("------待加密信息-----{}", msg);

        //MD5加密
        String md5sign = MyMD5Util.getMD5(msg);
        log.debug("------md5加密-----{}", md5sign);

        //RSA加密
        String result = GatewayRSAUtils.encryptByPrivate(md5sign, priKey);
        log.debug("------RSA加密-----{}", result);

        return result;
    }


    /**
     * @param kqdm
     * @return
     */
    public GatewayConf getCacheConf(String kqdm) {
        return gatewayConfService.getCacheConf(kqdm);
    }

    private void updateAuthToken(GatewayConf conf) {

        gatewayConfService.updateCache(conf);

    }


}