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


import android.text.TextUtils;

import com.hdl.sdk.link.common.config.TopicConstant;
import com.hdl.sdk.link.common.event.EventDispatcher;
import com.hdl.sdk.link.common.event.EventListener;
import com.hdl.sdk.link.common.exception.HDLLinkCode;
import com.hdl.sdk.link.common.exception.HDLLinkException;
import com.hdl.sdk.link.common.utils.LogUtils;
import com.hdl.sdk.link.core.bean.LinkRequest;
import com.hdl.sdk.link.core.bean.LinkResponse;
import com.hdl.sdk.link.core.bean.ModbusResponse;
import com.hdl.sdk.link.core.bean.ZigbeeResponse;
import com.hdl.sdk.link.core.bean.gateway.GatewayBean;
import com.hdl.sdk.link.core.callback.ModbusCallBack;
import com.hdl.sdk.link.core.callback.ZigbeeCallBack;
import com.hdl.sdk.link.core.config.HDLLinkConfig;
import com.hdl.sdk.link.gateway.HDLLinkLocalGateway;

/**
 * Created by hxb on 2021/12/8.
 * 原生通讯相关接口
 */
public class HDLModBusConnect {

    private static final String TAG = "HDLModbusConnect";
    private static HDLModBusConnect instance;
    /**
     * 内部用，主要是处理处理掉透传主题及link主题后，还原modbus原生数据及主题用
     */
    private final String allTopic = "/Modbus";

    /**
     * 返回当前实例，不存在就创建并同时注册监听事件
     *
     * @return
     */
    public static HDLModBusConnect getInstance() {
        if (null == instance) {
            instance = new HDLModBusConnect();
            instance.initEventListener();
        }
        return instance;
    }

    /**
     * 注册监听Zigbee所有原生主题及数据
     *
     * @param eventListener
     */
    public void registerListener(EventListener eventListener) {
        if (null == eventListener) {
            return;
        }
        EventDispatcher.getInstance().register(allTopic, eventListener);
    }

    /**
     * 移除监听Zigbee原生主题及数据
     *
     * @param eventListener
     */
    public void removeListener(EventListener eventListener) {
        if (null == eventListener) {
            return;
        }
        EventDispatcher.getInstance().remove(allTopic, eventListener);
    }

    /**
     * 初始化监听事件
     */
    private void initEventListener() {
        final EventListener eventListener = new EventListener() {
            @Override
            public void onMessage(Object msg) {
                try {
                    if (msg instanceof LinkResponse) {
                        LinkResponse linkResponse = (LinkResponse) msg;
                        if (linkResponse.getTopic() == null || !linkResponse.getTopic().contains("custom/native/inverter/up")) {
                            return;
                        }
                        byte[] data = linkResponse.getByteData();
                        ModbusResponse modbusResponse = new ModbusResponse();
                        String topic = "Modbus" + data[0] + data[1];
                        modbusResponse.setTopic(topic);
                        modbusResponse.setData(data);
                        String oid = null;
                        //是否是通过主网关透传主题
                        if (linkResponse.getTopic().contains("/slaveoid/")) {
                            oid = linkResponse.getTopic().split("/")[8];
                        } else {
                            oid = linkResponse.getTopic().split("/")[2];
                        }
                        modbusResponse.setOid(oid);
                        for (GatewayBean gatewayBean : HDLLinkLocalGateway.getInstance().getGatewayList()) {
                            if (oid.equals(gatewayBean.getGatewayId()) || oid.equals(gatewayBean.getDevice_mac()) || oid.equals(gatewayBean.getOid())) {
                                //上面的oid可能是网关id或者mac或者是oid，不管是哪个统一使用oid表示方式
                                modbusResponse.setOid(gatewayBean.getOid());
                                break;
                            }
                        }

                        EventDispatcher.getInstance().post(topic, modbusResponse);
                        //发布Zigbee原生主题及数据
//                        EventDispatcher.getInstance().post(allTopic, modbusResponse);
                    }
                } catch (Exception e) {
                    LogUtils.e(TAG, "LinkResponse转ModbusResponse异常:" + e.getMessage());
                }
            }
        };
        //注册直接通讯的主题，包括直接和主网关通讯或者直接和从网关通讯
        registerListener(String.format(TopicConstant.NATIVE_MODBUS_UP, "+"), eventListener);
        //registerListener(String.format(TopicConstant.NATIVE_MODBUS_DOWN_REPLY, "+"), eventListener);
        //registerListener(String.format(TopicConstant.NATIVE_ZIGBEE_UP_SLAVE, "+", "+"), eventListener);
    }


    /**
     * 发送原生数据
     *
     * @param gatewayOidOrGatewayId 目标网关的oid或者网关Id
     * @param payload               发送数据
     * @param baseCallBack          结果回调
     */
    public void Send(String gatewayOidOrGatewayId, byte[] payload, final ModbusCallBack baseCallBack) {
        Send(gatewayOidOrGatewayId, payload, 5, baseCallBack);
    }

    /**
     * 发送原生数据
     *
     * @param gatewayOidOrGatewayId 目标网关的oid或者网关Id
     * @param payload               发送数据
     * @param timeout               超时时间(s)
     * @param baseCallBack          结果回调
     */
    public void Send(String gatewayOidOrGatewayId, byte[] payload, int timeout, final ModbusCallBack baseCallBack) {
        if (payload == null || payload.length == 0) {
            if (baseCallBack != null) {
                baseCallBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_DATA_NULL_ERROR));
                System.out.println("发送数据时负载数据是空的--->");
            }
            return;
        }
        //如果本地有链接这个网关,则用本地连接
        GatewayBean gatewayBean = HDLLinkLocalGateway.getInstance().getGatewayByOidOrGatewayId(gatewayOidOrGatewayId);
        if (null == gatewayBean) {
            LogUtils.i("找不到网关，Oid是" + gatewayOidOrGatewayId);
            if (null != baseCallBack) {
                baseCallBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_GATEWAY_NOT_EXIST));
            }
            return;
        }

        String tempTopic = String.format(TopicConstant.NATIVE_MODBUS_DOWN, gatewayOidOrGatewayId);
        LinkRequest request = new LinkRequest(tempTopic, payload, gatewayBean.getIsLocalEncrypt());

//        if ("true".equals(gatewayBean.getMaster())) {
        request.setCloudTopic(String.format(TopicConstant.NATIVE_MODBUS_DOWN, HDLLinkConfig.getInstance().getGatewayId()));
//        } else {
//            request.setCloudTopic(String.format(TopicConstant.NATIVE_MODBUS_DOWN_SLAVE, HDLLinkConfig.getInstance().getGatewayId(), gatewayOidOrGatewayId));
//        }
        request.setReplyTopic("Modbus" + payload[0] + payload[1]);
        long awaitTime = timeout * 1000L;

        new HDLConnectHelper(awaitTime, 1, gatewayBean.getIp_address(), 8586, request, new HDLConnectHelper.HdlSocketListener() {
            @Override
            public void onSucceed(Object msg) {
                if (msg instanceof int[]) {
                    if (null != baseCallBack) {
                        baseCallBack.onSuccess((int[]) msg);
                    }
                } else {
                    LogUtils.e("发送Modbus回调对象类型非数组类型，类型是" + msg.getClass());
                }
            }

            @Override
            public void onFailure(HDLLinkCode hdlLinkCode) {
                if (null != baseCallBack) {
                    baseCallBack.onError(HDLLinkException.getErrorWithCode(hdlLinkCode));
                }
            }
        }, true).send();
    }


    /**
     * 发送原生透传命令数据
     *
     * @param gatewayOidOrGatewayId 目标网关的oid或者网关Id
     * @param responeTopic          回复主题
     * @param payload               发送数据
     * @param zigbeeCallBack        结果回调
     */
    public void SendThrough(String gatewayOidOrGatewayId, String responeTopic, String payload, final ZigbeeCallBack zigbeeCallBack) {
//        //如果本地有链接这个网关,则用本地连接
//        GatewayBean gatewayBean = HDLLinkLocalGateway.getInstance().getGatewayByOidOrGatewayId(gatewayOidOrGatewayId);
//        if (null == gatewayBean) {
//            LogUtils.i("找不到网关，Oid是" + gatewayOidOrGatewayId);
//            if (null != zigbeeCallBack) {
//                zigbeeCallBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_GATEWAY_NOT_EXIST));
//            }
//            return;
//        }
//        boolean isLocal = gatewayBean.getIsLocalGateway();
//        //如果是本地通讯
//        if (isLocal == true) {
//
//            String tempTopic = String.format("/user/%s/custom/native/zigbee/down", gatewayOidOrGatewayId);
//            String tempTopicReply = String.format("/user/%s/custom/native/zigbee/up", gatewayOidOrGatewayId);
//
//            final boolean[] isCallBack = {false};
//            //透传命令主题处理
//            final EventListener eventListener = new EventListener() {
//                @Override
//                public void onMessage(Object msg) {
//                    if (msg instanceof LinkResponse) {
//                        LinkResponse linkResponse = (LinkResponse) msg;
//                        //TODO 如果配置从网关的信息，通过主网关转达，这里oid要判断下
//                        String body = getZigbeeData(responeTopic, linkResponse);
//                        if (null != body) {
//                            isCallBack[0] = true;
//                            removeListener(tempTopicReply, this);
//                            if (null != zigbeeCallBack) {
//                                zigbeeCallBack.onSuccess(body);
//                            }
//                        }
//                    }
//                }
//            };
//            //注册监听
//            registerListener(tempTopicReply, eventListener);
//
//            //一定时间后还没有接收到数据，就回调失败
//            ScheduledExecutorService scheduledExecutorService = ThreadToolUtils.getInstance().newScheduledThreadPool(1);
//            scheduledExecutorService.schedule(new Runnable() {
//                @Override
//                public void run() {
//                    removeListener(tempTopicReply, eventListener);
//                    scheduledExecutorService.shutdownNow();
//                    if (!isCallBack[0]) {
//                        if (null != zigbeeCallBack) {
//                            zigbeeCallBack.onError(HDLLinkException.getErrorWithCode(HDLLinkCode.HDL_GET_Zigbee_FAILURE_ERROR));
//                        }
//                    }
//                }
//            }, 5, TimeUnit.SECONDS);
//
//            //本地发送
//            LinkRequest request = new LinkRequest(tempTopic, payload, gatewayBean.getIsLocalEncrypt());
//            new HDLConnectHelper(gatewayBean.getIp_address(), request,true).send();
//        } else {
//            //请求主题
//            String tempTopic = null;
//            //回复主题
//            String tempTopicReply = null;
//
//            //远程发送
//            if ("true".equals(gatewayBean.getMaster())) {
//                tempTopic = String.format("/user/%s/custom/native/zigbee/down", com.hdl.sdk.link.core.config.HDLLinkConfig.getInstance().getGatewayId());
//                tempTopicReply = String.format("/user/%s/custom/native/zigbee/up", com.hdl.sdk.link.core.config.HDLLinkConfig.getInstance().getGatewayId());
//            } else {
//                tempTopic = String.format("/user/%s/custom/native/zigbee/slaveoid/%s/down", com.hdl.sdk.link.core.config.HDLLinkConfig.getInstance().getGatewayId(), gatewayOidOrGatewayId);
//                tempTopicReply = String.format("/user/%s/custom/native/zigbee/slaveoid/%s/up", com.hdl.sdk.link.core.config.HDLLinkConfig.getInstance().getGatewayId(), "+");
//            }
//            //TODO 后续完善云端的发送接收方法
//        }
    }


    /**
     * 处理zigbee回复的数据
     *
     * @param responeTopic 回复主题
     * @param linkResponse 回复的透传数据
     */
    private static String getZigbeeData(String responeTopic, LinkResponse linkResponse) {
        //主题为空不处理
        if (TextUtils.isEmpty(responeTopic)) {
            return null;
        }

        String body = linkResponse.getData();
        int index = body.indexOf("{");
        //zigbee回复的数据前有主题，后面才是数据
        if (index <= 0)
            return null;

        String zigbeeTopic = body.substring(0, index).trim();
        //zigbee的负载数据
        String bodyData = body.substring(index);

        //不是当前请求的数据，不处理
        if (!zigbeeTopic.startsWith(responeTopic)) {
            return null;
        }

        return bodyData;
        //Zigbee以前的接收逻辑
//        HdlZbGatewayReceiveLogic.Current.ZigbeeOldReceiveLogic(reportTopic, bodyData, gatewayMac);
    }

    /**
     * 注册监听
     */
    static void registerListener(String responseTopic, EventListener eventListener) {
        if (!TextUtils.isEmpty(responseTopic)) {
            EventDispatcher.getInstance().register(responseTopic, eventListener);
        }
    }

    /**
     * 移除监听
     */
    static void removeListener(String responseTopic, EventListener eventListener) {
        if (!TextUtils.isEmpty(responseTopic)) {
            EventDispatcher.getInstance().remove(responseTopic, eventListener);
        }
    }
}