package com.hdl.sdk.link.core.connect;

import android.content.Context;
import android.net.wifi.WifiManager;
import android.text.TextUtils;

import com.google.gson.Gson;
import com.google.gson.JsonObject;
import com.google.gson.reflect.TypeToken;
import com.hdl.link.error.HDLLinkCode;
import com.hdl.sdk.link.HDLLinkLocalSdk;
import com.hdl.sdk.link.bean.LoginRequest;
import com.hdl.sdk.link.common.event.EventDispatcher;
import com.hdl.sdk.link.common.event.EventListener;
import com.hdl.sdk.link.common.exception.HDLLinkException;
import com.hdl.sdk.link.common.utils.IpUtils;
import com.hdl.sdk.link.common.utils.LogUtils;
import com.hdl.sdk.link.common.utils.ThreadToolUtils;
import com.hdl.sdk.link.core.bean.LinkRequest;
import com.hdl.sdk.link.core.bean.LinkResponse;
import com.hdl.sdk.link.core.bean.gateway.GatewayBean;
import com.hdl.sdk.link.core.bean.request.AuthenticateRequest;
import com.hdl.sdk.link.core.bean.response.AuthenticateResponse;
import com.hdl.sdk.link.core.bean.response.BaseLocalResponse;
import com.hdl.sdk.link.core.bean.response.GatewaySearchBean;
import com.hdl.sdk.link.core.bean.response.NetworkAccessBroadcastResponse;
import com.hdl.sdk.link.core.callback.BaseCallBack;
import com.hdl.sdk.link.core.callback.HDLLinkCallBack;
import com.hdl.sdk.link.core.callback.HDLLinkResponseCallBack;
import com.hdl.sdk.link.common.config.TopicConstant;
import com.hdl.sdk.link.common.utils.IdUtils;
import com.hdl.sdk.link.common.utils.gson.GsonConvert;
import com.hdl.sdk.link.core.config.HDLLinkConfig;
import com.hdl.sdk.link.core.protocol.LinkMessageDecoderUdp;
import com.hdl.sdk.link.gateway.HDLLinkLocalGateway;
import com.hdl.sdk.link.socket.client.UdpClient;
import com.hdl.sdk.link.socket.codec.MessagePipeLine;
import com.hdl.sdk.link.socket.udp.UdpSocketBoot;
import com.hdl.sdk.link.socket.udp.UdpSocketOptions;

import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;

import static com.hdl.sdk.link.common.config.TopicConstant.DEIVCE_AUTH_REQUEST;

/**
 * Created by jlchen on 11/11/21.
 *
 * @Description : HDLAuthSocket 由于前期已经命名好，不做更改，可用作Udp服务端使用
 */
public class HDLUdpConnect {
    private static final String TAG = "HDLAuth";
    /**
     * udp默认端口
     */
    public static final int UDP_PORT = 8585;
    /**
     * 因为考虑到使用一个端口，要支持接收多网关的数据，所以只允许使用一个
     */
    private static UdpSocketBoot udpSocketBoot;
    //    private EventListener authEvent;
    //搜索网关
    private EventListener searchGatewayEvent;
    /**
     * udp默认组播ip
     */
    private static final String UDP_GROUP_IP = "239.0.168.188";

    private static boolean bindSuccess;

    public static boolean isBindSuccess() {
        return bindSuccess;
    }

    /**
     * instance
     */
    private volatile static HDLUdpConnect instance;

    private HDLUdpConnect() {
        initListenerGatewayEvent();
        initSearchGatewayEvent();
    }

    /**
     * getInstance
     *
     * @return HDLAuthSocket
     */
    public static synchronized HDLUdpConnect getInstance() {
        if (instance == null) {
            synchronized (HDLLinkConfig.class) {
                if (instance == null) {
                    instance = new HDLUdpConnect();
                }
            }
        }
        return instance;
    }

    private UdpSocketOptions getUdpOptions() {
        final UdpSocketOptions options = new UdpSocketOptions();
        WifiManager manager = (WifiManager) HDLLinkLocalSdk.getInstance().getContext().getApplicationContext()
                .getSystemService(Context.WIFI_SERVICE);
        options.setWifiManager(manager);
        final MessagePipeLine pipeLine = new MessagePipeLine();
        pipeLine.add(new LinkMessageDecoderUdp());
//        pipeLine.add(new LinkMessageEncoder());
        options.setHandleMessage(pipeLine);
        return options;
    }


    /**
     * 获取当前udp对象，如果不存在就创建
     *
     * @return 返回当前对象
     */
    public synchronized UdpSocketBoot getUdpBoot() {
        if (null == initUdp()) {
            return null;
        }
        return udpSocketBoot;
    }


    /**
     * 初始化udp 监听功能
     *
     * @return 返回当前对象
     */
    public synchronized UdpSocketBoot initUdp() {
        try {
            if (udpSocketBoot == null) {
                udpSocketBoot = UdpClient.init("0.0.0.0",UDP_PORT, getUdpOptions());
                udpSocketBoot.bind();
                bindSuccess=true;
            }
        } catch (Exception e) {
            LogUtils.e("初始化网关失败:"+e.getMessage());
            return null;
        }

        return udpSocketBoot;
    }


    /**
     * 开始监听和发起入网及认证请求
     *
     * @param request  认证请求信息
     * @param callBack 结果回调
     */
    public void startAuthenticateRequest(AuthenticateRequest request, HDLLinkCallBack callBack) {
        HDLLinkConfig.getInstance().clearConfig();
        //1.启动Socket 开启监听
        getUdpBoot();
        //2.构建监听Listener
//        authEvent =
        //3.监听网关广播的入网指令
        EventDispatcher.getInstance().register(TopicConstant.GATEWAY_AUTH_BROADCAST, new EventListener() {
            @Override
            public void onMessage(Object msg) {
                NetworkAccessBroadcastResponse bean = getNetworkAccessBroadcastResponse(msg);
                if (bean != null) {
                    LogUtils.i(TAG, "网关入网广播IP: " + bean.getIPAddress());
                    String ipStr = bean.getIPAddress();
                    if (!TextUtils.isEmpty(ipStr)) {
                        sendAuthenticateRequest(ipStr, request, callBack);
                    }
                }
                //移除监听
                EventDispatcher.getInstance().remove(TopicConstant.GATEWAY_AUTH_BROADCAST);
                LogUtils.i(TAG, "移除监听 authEvent");
            }
        });
    }

    /**
     * 结束监听入网及认证广播
     */
    public void endAuthenticateRequest() {
        //移除监听
        EventDispatcher.getInstance().remove(TopicConstant.GATEWAY_AUTH_BROADCAST);
    }

    /**
     * 发送入网及认证请求
     *
     * @param ip       网关IP
     * @param request  认证请求信息
     * @param callBack 结果回调
     */
    public void sendAuthenticateRequest(String ip, AuthenticateRequest request, HDLLinkCallBack callBack) {
        if (request == null) {
            callBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_DATA_NULL_ERROR));
        }
        String topic = DEIVCE_AUTH_REQUEST;
        Gson gs = new Gson();
        String requestStr = gs.toJson(request);
        LinkRequest linkRequest = new LinkRequest(topic, requestStr, false);
//        linkRequest.setReplyTopic(requestStr + "_reply");
        new HDLConnectHelper(ip, linkRequest, new HDLConnectHelper.HdlSocketListener() {
            @Override
            public void onSucceed(Object msg) {
                if (callBack == null) return;
                try {
                    AuthenticateResponse bean = getAuthenticateResponseBean(msg);
                    if (bean != null) {
                        if (bean.getCode().equals("200")) {
                            String localSecret = "";
                            String gatewayId = "";
                            String ipAddress = "";
                            if (bean.getAuth() != null) {
                                localSecret = bean.getAuth().getLocalSecret();
                            }
                            if (bean.getObjects() != null) {
                                gatewayId = bean.getObjects().getGatewayID();
                                ipAddress = bean.getObjects().getIPAddress();
                            }
                            //判断网关是否已经注册到云端
                            if (TextUtils.isEmpty(localSecret) || TextUtils.isEmpty(gatewayId)) {
                                //认证失败，网关未注册到云端
                                callBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_AUTH_ERROR_GATEWAY_NOT_REGISTERED));
                            } else {
                                HDLLinkConfig.getInstance().saveConfig(localSecret, gatewayId, ipAddress);
                                callBack.onSuccess("认证成功");
                            }
                        } else if (bean.getCode().equals("14013")) {
                            //认证失败，该MAC对应的设备密钥不存在
                            callBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_AUTH_MAC_KEY_ERROR));
                        } else {
                            //认证失败，错误码：
                            LogUtils.e("认证失败，错误码：" + bean.getCode());
                            callBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_AUTH_ERROR));
                        }
                    } else {
                        callBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_DATA_ERROR));
                    }
                } catch (Exception e) {
                    callBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_DATA_ERROR));
                }
            }

            @Override
            public void onFailure(HDLLinkCode hdlLinkCode) {
                LogUtils.i(TAG, "onFailure: ");
                if (callBack == null) return;
                callBack.onError(HDLLinkException.getErrorWithCode(hdlLinkCode));
            }
        }, false).send();
    }

//    /**
//     * 发送入网及认证请求
//     *
//     * @param callBack 结果回调
//     */
//    public void sendAuthenticateRequest(CallBack callBack) {
//        String macStr = "AA000000000000BB";
//        String secret = "87ae414b7a853f65";
//        String mac_key = stringToMD5(stringToMD5(macStr + secret));
//
//        String versionString = "HDL_V1.0.1";
//        String time = String.valueOf(System.currentTimeMillis());
//
//        //1.设置认证信息
//        AuthenticateRequest.RequestBean requestBean = new AuthenticateRequest.RequestBean();
//        requestBean.setMAC(macStr);
//        requestBean.setSupplier("HDL");
//        requestBean.setFirmwareVersion(versionString);
//        requestBean.setHardwareModel("1956F");
//        AuthenticateRequest.AuthBean authbean = new AuthenticateRequest.AuthBean();
//        authbean.setSpk("ir.module");
//        authbean.setMACKey(mac_key);
//        authbean.setRequest(requestBean);
//
//
//        //2.设置设备信息
//        AuthenticateDeviceInfoBean infoBean = new AuthenticateDeviceInfoBean();
//        infoBean.setDeviceMAC(macStr);
//        infoBean.setIPMAC(macStr);
//        infoBean.setDeviceName("HDL面板");
//        infoBean.setAccessMode("HDL");
//        infoBean.setOID(getOid());
//        infoBean.setSid(getSid());
////        infoBean.set
//        AuthenticateRequest.VersionBean[] versionBeans = new AuthenticateRequest.VersionBean[]{new AuthenticateRequest.VersionBean("FW", versionString), new AuthenticateRequest.VersionBean("HW", "1956F")};
//        infoBean.setVersions(versionBeans);
//        AuthenticateRequest request = new AuthenticateRequest(IdUtils.getUUId(), time, infoBean, authbean);
//
//        String ip = IpUtils.getBroadcastAddress();
//        ip = "192.168.10.102";
//        sendAuthenticateRequest(ip, request, callBack);
//    }

    public interface SearchGatewayCallBack extends BaseCallBack {
        /**
         * 搜索网关成功
         *
         * @param gatewaySearchBean
         */
        void onSuccess(GatewaySearchBean gatewaySearchBean);
    }


    /**
     * 暂停搜索网关
     */
    public void endSearchAllGateway() {

    }

    /**
     * 组播搜索指定网关是否在线，搜索到则返回指定的网关对象
     *
     * @param callBack 回调
     */
    public void searchGatewayMulticast(SearchGatewayCallBack callBack) {
        searchGateway(HDLLinkConfig.getInstance().getGatewayId(), UDP_GROUP_IP, UDP_PORT, callBack);
    }

    /**
     * 组播搜索指定网关是否在线，搜索到则返回指定的网关对象
     *
     * @param callBack 回调
     */
    public void searchGatewayBroadcast(SearchGatewayCallBack callBack) {
        if (!HDLLinkConfig.getInstance().checkIfCertified()) {
            if (callBack != null) {
                callBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_UNAUTHORIZED_ERROR));
            }
            return;
        }
        String ip = IpUtils.getBroadcastAddress();
        searchGateway(HDLLinkConfig.getInstance().getGatewayId(), ip, UDP_PORT, callBack);
    }

    /**
     * 通用发送指令
     * 1秒没响应就让他重新发送,重试3次
     *
     * @param topic     发送数据
     * @param bodyStr   回复的主题
     * @param broadcast 是否要广播
     * @param callBack  回调
     */
    public void udpSendMsg(String topic, String bodyStr, boolean broadcast, HDLLinkResponseCallBack callBack) {
        if (TextUtils.isEmpty(topic) || TextUtils.isEmpty(bodyStr)) {
            if (callBack != null) {
                callBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_DATA_NULL_ERROR));
            }
            return;
        }

        if (!HDLLinkConfig.getInstance().checkIfCertified()) {
            if (callBack != null) {
                callBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_UNAUTHORIZED_ERROR));
            }
            return;
        }

        LinkRequest message = new LinkRequest(topic, bodyStr, false);
        String ip = HDLLinkConfig.getInstance().getIpAddress();
        if (broadcast) {
            ip = IpUtils.getBroadcastAddress();
        }
        new HDLConnectHelper(ip, message, new HDLConnectHelper.HdlSocketListener() {
            @Override
            public void onSucceed(Object msg) {
                if (callBack == null) return;
                callBack.onSuccess((LinkResponse) msg);
            }

            @Override
            public void onFailure(HDLLinkCode hdlLinkCode) {
                if (callBack == null) return;
                callBack.onError(HDLLinkException.getErrorWithCode(hdlLinkCode));
            }
        }
                , false).send();
    }

    /**
     * 通用发送指令 只发一次，不监听回复，不重发
     *
     * @param topic     发送数据
     * @param bodyStr   回复的主题
     * @param broadcast 是否广播
     */
    public void udpSendMsg(String topic, String bodyStr, boolean broadcast) {
        if (TextUtils.isEmpty(topic) || TextUtils.isEmpty(bodyStr)) {
            LogUtils.e("udpSendMsg", "参数不能为空");
            return;
        }
        if (!HDLLinkConfig.getInstance().checkIfCertified()) {
            LogUtils.e("udpSendMsg", "未认证，请先认证");
            return;
        }
        LinkRequest message = new LinkRequest(topic, bodyStr, HDLLinkConfig.getInstance().isLocalEncrypt());
        String ip = HDLLinkConfig.getInstance().getIpAddress();
        if (broadcast) {
            ip = IpUtils.getBroadcastAddress();
        }
        new HDLConnectHelper(ip, message, false).send();
    }

    private GatewaySearchBean getGatewaySearchBean(Object msg) {
        GatewaySearchBean searchBean = null;
        if (msg instanceof LinkResponse) {
            LinkResponse linkResponse = (LinkResponse) msg;
            String data = linkResponse.getData();
            if (!TextUtils.isEmpty(data)) {
                final BaseLocalResponse<GatewaySearchBean> response = GsonConvert.getGson().fromJson(data, new TypeToken<BaseLocalResponse<GatewaySearchBean>>() {
                }.getType());
                searchBean = response.getObjects();
            }
        }
        return searchBean;
    }

    private AuthenticateResponse getAuthenticateResponseBean(Object msg) {
        AuthenticateResponse mBean = null;
        if (msg instanceof LinkResponse) {
            LinkResponse linkResponse = (LinkResponse) msg;
            String data = linkResponse.getData();
            if (!TextUtils.isEmpty(data)) {
                AuthenticateResponse response = GsonConvert.getGson().fromJson(data, new TypeToken<AuthenticateResponse>() {
                }.getType());
                mBean = response;
            }

        }
        return mBean;
    }

    private NetworkAccessBroadcastResponse getNetworkAccessBroadcastResponse(Object msg) {
        NetworkAccessBroadcastResponse mBean = null;
        if (msg instanceof LinkResponse) {
            LinkResponse linkResponse = (LinkResponse) msg;
            String data = linkResponse.getData();
            if (!TextUtils.isEmpty(data)) {
                NetworkAccessBroadcastResponse response = GsonConvert.getGson().fromJson(data, new TypeToken<NetworkAccessBroadcastResponse>() {
                }.getType());
                mBean = response;
            }

        }
        return mBean;
    }

    /**
     * 网关搜索相关
     */
    private static final int MAX_SEARCH_COUNT = 10;//总共搜索测试
    private final AtomicInteger searchGatewayCount = new AtomicInteger(0);
    ;
    private final AtomicBoolean isSearchGatewaySuccess = new AtomicBoolean(true);
    private String searchGatewayId = "";
    private SearchGatewayCallBack mSearchGatewayCallBack;

    private void initSearchGatewayEvent() {
        LogUtils.i("搜索网关", "initSearchGatewayEvent");
        searchGatewayEvent = new EventListener() {
            @Override
            public void onMessage(Object msg) {
                try {
                    if (msg instanceof LinkResponse) {
                        LinkResponse linkResponse = (LinkResponse) msg;
                        String data = linkResponse.getData();
                        if (!TextUtils.isEmpty(data)) {
                            final BaseLocalResponse<GatewaySearchBean> response = GsonConvert.getGson().fromJson(data, new TypeToken<BaseLocalResponse<GatewaySearchBean>>() {
                            }.getType());
                            GatewaySearchBean searchBean = response.getObjects();
                            if (searchBean != null && !TextUtils.isEmpty(searchBean.getGatewayId())) {
                                if (searchBean.getGatewayId().contains(searchGatewayId)) {
                                    removeSearchGatewayEvent();//移除搜索网关监听
                                    isSearchGatewaySuccess.set(true);//搜索成功标记
                                    searchGatewayCount.set(11);//次数标记
                                    HDLLinkConfig.getInstance().setLocalEncrypt(searchBean.isLocalEncrypt());//设置是否加密
                                    if (mSearchGatewayCallBack != null) {
                                        mSearchGatewayCallBack.onSuccess(searchBean);
                                    }
                                }
                            }
                        }
                    }
                } catch (Exception e) {

                }
            }
        };
    }

    private void initListenerGatewayEvent() {
        LogUtils.i("初始化永久监听网关广播事件，不用移除此事件");
        EventListener gatewayEvent = new EventListener() {
            @Override
            public void onMessage(Object msg) {
                try {
                    if (msg instanceof LinkResponse) {
                        LinkResponse linkResponse = (LinkResponse) msg;
                        String data = linkResponse.getData();
//                        LogUtils.i("接收到网关信息：" + data);
                        if (!TextUtils.isEmpty(data)) {
                            final BaseLocalResponse<GatewayBean> response = GsonConvert.getGson().fromJson(data, new TypeToken<BaseLocalResponse<GatewayBean>>() {
                            }.getType());
                            GatewayBean gateway = response.getObjects();
                            if (gateway != null) {
//                                if (!TextUtils.isEmpty(HDLLinkConfig.getInstance().getGatewayId())
//                                        && !TextUtils.isEmpty(HDLLinkConfig.getInstance().getHomeId())) {
//                                    //主网关并且是当前绑定的网关
//                                    if ("true".equals(gateway.getMaster().toLowerCase())) {
//                                        if (gateway.getGatewayId().equals(HDLLinkConfig.getInstance().getGatewayId())
//                                                || gateway.getDevice_mac().equals(HDLLinkConfig.getInstance().getGatewayId())
//                                                || gateway.getOid().equals(HDLLinkConfig.getInstance().getGatewayId())
//                                                || gateway.getHomeId().equals(HDLLinkConfig.getInstance().getHomeId())) {
//                                            HDLLinkConfig.getInstance().setLocalEncrypt(gateway.getIsLocalEncrypt());//设置是否加密
//                                            HDLLinkConfig.getInstance().setIpAddress(gateway.getIp_address());
//                                            //更新当前网关的信息
//                                            HDLLinkConfig.getInstance().reSaveConfig();
//                                        }
//                                    }
                                if (!TextUtils.isEmpty(gateway.getHomeId())) {
                                    //主网关并且是当前绑定的网关
                                    if ("true".equals(gateway.getMaster().toLowerCase())) {
                                        if (gateway.getHomeId().equals(HDLLinkConfig.getInstance().getHomeId())) {
                                            HDLLinkConfig.getInstance().setLocalEncrypt(gateway.getIsLocalEncrypt());//设置是否加密
                                            HDLLinkConfig.getInstance().setIpAddress(gateway.getIp_address());
                                            //更新当前网关的信息
                                            HDLLinkConfig.getInstance().reSaveConfig();
                                        }
                                    }
                                }

                                //没有绑定的网关或与当前绑定到当前住宅的网关，建立连接。后面如果考虑也显示其它住宅的网关，这个限制要去掉
//                                if(TextUtils.isEmpty(gateway.getHomeId())||gateway.getHomeId().equals(HDLLinkConfig.getInstance().getHomeId())) {
                                    HDLTcpConnect.initTcp(gateway.getIp_address());//初始化TCP连接
//                                }
                            }
                        }
                    }
                } catch (Exception e) {

                }
            }
        };
        EventDispatcher.getInstance().register(TopicConstant.GATEWAY_SEARCH_REPLY, gatewayEvent);
    }

    /**
     * 搜索指定网关是否在线，搜索到则返回指定的网关对象
     *
     * @param gatewayId 网关id
     * @param ipAddress 目标的IP地址
     * @param port      目标的端口
     * @param callBack  回调
     */
    public void searchGateway(String gatewayId, String ipAddress, int port, SearchGatewayCallBack callBack) {
        this.searchGatewayId = gatewayId;
        this.mSearchGatewayCallBack = callBack;
        //重置参数
        searchGatewayCount.set(0);
        isSearchGatewaySuccess.set(false);
        String time = String.valueOf(System.currentTimeMillis());
        JsonObject jsonObject = new JsonObject();
        jsonObject.addProperty("id", IdUtils.getUUId());
        jsonObject.addProperty("time_stamp", time);
        LinkRequest message = new LinkRequest(TopicConstant.GATEWAY_SEARCH,
                jsonObject.toString(), false);
        //注册搜索网关监听
        registerSearchGatewayEvent();
        new Thread(new Runnable() {
            @Override
            public void run() {
                while (searchGatewayCount.get() < 10 && (!isSearchGatewaySuccess.get())) {
                    try {
                        //搜索网关
                        searchGatewayCount.set(searchGatewayCount.get() + 1);
                        LogUtils.i("搜索网关第" + searchGatewayCount.get() + "次");
                        new HDLConnectHelper(ipAddress, message, false).send();
                        Thread.sleep(1000L);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }

                if (!isSearchGatewaySuccess.get()) {
                    //搜索10次，指定网关都没回复，回调超时
                    callBackSearchGatewayTimeout();
                    LogUtils.e("搜索10次，指定网关都没回复，回调超时");
                }
            }
        }).start();
    }


    /**
     * 注册搜索网关监听
     */
    private void registerSearchGatewayEvent() {
        LogUtils.i("注册搜索网关监听");
        EventDispatcher.getInstance().register(TopicConstant.GATEWAY_SEARCH_REPLY, searchGatewayEvent);
    }

    /**
     * 移除搜索网关监听
     */
    private void removeSearchGatewayEvent() {
        LogUtils.i("搜索网关", "移除搜索网关监听");
        EventDispatcher.getInstance().remove(TopicConstant.GATEWAY_SEARCH_REPLY, searchGatewayEvent);
    }

    /**
     * 回调搜索网关超时
     */
    private void callBackSearchGatewayTimeout() {
        removeSearchGatewayEvent();
        ThreadToolUtils.getInstance().runOnUiThread(new Runnable() {
            @Override
            public void run() {
                if (mSearchGatewayCallBack != null) {
                    mSearchGatewayCallBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_SEARCH_GATEWAY_TIMEOUT_ERROR));
                }
            }
        });
    }


}