package com.xcong.excoin.websocket;

import cn.hutool.core.util.StrUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.xcong.excoin.common.contants.AppContants;
import com.xcong.excoin.utils.CoinTypeConvert;
import com.xcong.excoin.utils.RedisUtils;
import com.xcong.excoin.utils.SpringContextHolder;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.collections.CollectionUtils;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import javax.websocket.*;
import javax.websocket.server.PathParam;
import javax.websocket.server.ServerEndpoint;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicInteger;

@Slf4j
@ServerEndpoint(value = "/trade/market")
@Component
public class TradePlateSendWebSocket {
    @Resource
    RedisUtils redisUtils;

    /**
     * 记录当前在线连接数
     */
    private static AtomicInteger onlineCount = new AtomicInteger(0);


    private static Map<String, Map<String, Session>> tradeplateClients = new ConcurrentHashMap<>();

    private static Map<String, Map<String, Session>> klineClients = new ConcurrentHashMap<>();

    /**
     * 连接建立成功调用的方法
     */
    @OnOpen
    public void onOpen(Session session) {
        onlineCount.incrementAndGet(); // 在线数加1
        log.info("有新连接加入：{}，当前在线人数为：{}", session.getId(), onlineCount.get());
    }

    /**
     * 连接关闭调用的方法
     */
    @OnClose
    public void onClose(Session session) {
        onlineCount.decrementAndGet(); // 在线数减1
//        Collection<Map<String, Session>> values = tradeplateClients.values();
//        if(CollectionUtils.isNotEmpty(values)){
//            for(Map<String,Session> map : values){
//                map.remove(session.getId());
//            }
//        }
        log.info("有一连接关闭：{}，当前在线人数为：{}", session.getId(), onlineCount.get());
    }

    /**
     * 收到客户端消息后调用的方法
     *
     * @param message 客户端发送过来的消息
     */
    @OnMessage
    public void onMessage(String message, Session session) {
        log.info("服务端收到客户端[{}]的消息:{}", session.getId(), message);
        // 订阅方法 {sub: 'market.' + symbol + '.depth.' + this._caculateType(),id: symbol
        //}
        JSONObject jsonObject = JSON.parseObject(message);
        // 盘口的判断
        if (jsonObject.containsKey("sub") && jsonObject.get("sub").toString().contains("depth")) {
            log.info("订阅盘口消息:{}", session.getId());
            String sub = jsonObject.get("sub").toString();
            String symbol = sub.split("\\.")[1];
            symbol = CoinTypeConvert.convert(symbol);
            if (tradeplateClients.containsKey(symbol)) {
                tradeplateClients.get(symbol).put(session.getId(), session);
            } else {
                Map<String, Session> map = new HashMap<>();
                map.put(session.getId(), session);
                tradeplateClients.put(symbol, map);
            }
        }
        // 取消盘口订阅
        if (jsonObject.containsKey("unsub") && jsonObject.get("unsub").toString().contains("depth")) {
            // `market.${symbol}.kline.${strPeriod}
            log.info("取消订阅盘口消息:{}", session.getId());
            String unsub = jsonObject.get("unsub").toString();
            String[] split = unsub.split("\\.");
            String symbol = split[1];
            symbol = CoinTypeConvert.convert(symbol);
            String key = symbol;
            if (tradeplateClients.containsKey(key)) {
                tradeplateClients.get(key).remove(session.getId());
            }
        }


        // 最新K线订阅

        // 根据消息判断这个用户需要订阅哪种数据
        // {sub: `market.${symbol}.kline.${strPeriod}`,
        //            symbol: symbol,
        //            period: strPeriod
        //}
        // 取消订阅 {unsub: xxx(标识)}
        if (jsonObject.containsKey("sub") && jsonObject.get("sub").toString().contains("kline")) {
            // 订阅
            log.info("订阅最新K线消息:{}", session.getId());
            String sub = jsonObject.get("sub").toString();
            String[] split = sub.split("\\.");
            String symbol = split[1];
            symbol = CoinTypeConvert.convert(symbol);
            String period = split[3];
            String key = symbol + "-" + period;
            if (klineClients.containsKey(key)) {
                // 有这个币种K线
                Map<String, Session> stringSessionMap = klineClients.get(key);
                if (!stringSessionMap.containsKey(session.getId())) {
                    stringSessionMap.put(session.getId(), session);
                }
            } else {
                Map<String, Session> stringSessionMap = new HashMap<>();
                stringSessionMap.put(session.getId(), session);
                klineClients.put(key, stringSessionMap);
            }
        }

        // 取消订阅
        if (jsonObject.containsKey("unsub") && jsonObject.get("unsub").toString().contains("kline")) {
            // `market.${symbol}.kline.${strPeriod}
            log.info("取消订阅最新K消息:{}", session.getId());
            String unsub = jsonObject.get("unsub").toString();
            String[] split = unsub.split("\\.");
            String strPeriod = split[3];
            String symbol = split[1];
            symbol = CoinTypeConvert.convert(symbol);
            String key = symbol + "-" + strPeriod;
            if (klineClients.containsKey(key)) {
                klineClients.get(key).remove(session.getId());
            }
        }

        // 历史K线订阅
        // {req: "market.nekkusdt.kline.1min", symbol: "nekkusdt", period: "1min"}
        if (jsonObject.containsKey("req") && jsonObject.get("req").toString().contains("kline")) {
            String sub = jsonObject.get("req").toString();
            String[] split = sub.split("\\.");
            String symbol = split[1];
            symbol = CoinTypeConvert.convert(symbol);
            String period = split[3];
            //String key = symbol+"-"+period;
            // String key = "KINE_BCH/USDT_1week";
            String key = "KINE_{}_{}";
            // 币币k线数据
            key = StrUtil.format(key, symbol, period);
            RedisUtils bean = SpringContextHolder.getBean(RedisUtils.class);
            Object o = bean.get(key);
            sendMessageHistory(JSON.toJSONString(o), session);
        }
    }

    @OnError
    public void onError(Session session, Throwable error) {
        log.error("发生错误");
        error.printStackTrace();
    }

    /**
     * 群发消息
     *
     * @param message 消息内容
     */
    public void sendMessagePlate(String symbol,String message, Session fromSession) {
        if (tradeplateClients.containsKey(symbol)) {
            Map<String, Session> nekk = tradeplateClients.get(symbol);
            for (Map.Entry<String, Session> sessionEntry : nekk.entrySet()) {
                Session toSession = sessionEntry.getValue();
                // 排除掉自己
                //if (!fromSession.getId().equals(toSession.getId())) {
                log.info("服务端给客户端[{}]发送盘口消息{}", toSession.getId(), message);
                boolean open = toSession.isOpen();
                if (open) {
                    toSession.getAsyncRemote().sendText(message);
                }

                //  }
            }
        }

    }

    public void sendMessageHistory(String message, Session toSession) {
        log.info("服务端给客户端[{}]发送消息{}", toSession.getId(), message);
        boolean open = toSession.isOpen();
        if (open) {
            toSession.getAsyncRemote().sendText(message);
        }
    }

    public void sendMessageKline(String symbol, String period, String message, Session fromSession) {
        String key = symbol + "-" + period;
        if (klineClients.containsKey(key)) {
            Map<String, Session> stringSessionMap = klineClients.get(key);
            for (Map.Entry<String, Session> sessionEntry : stringSessionMap.entrySet()) {
                Session toSession = sessionEntry.getValue();
                // 排除掉自己
                //if (!fromSession.getId().equals(toSession.getId())) {
                log.info("服务端给客户端[{}]发送消息{}", toSession.getId(), message);
                boolean open = toSession.isOpen();
                if (open) {
                    toSession.getAsyncRemote().sendText(message);
                }
                //  }
            }
        }
    }
}