package com.ruoyi.utils.websocket.service;
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import com.alibaba.fastjson2.JSON;
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import com.alibaba.fastjson2.JSONArray;
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import com.alibaba.fastjson2.JSONException;
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import com.alibaba.fastjson2.JSONObject;
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import com.ruoyi.app.position.service.impl.AppPositionPushService;
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import com.ruoyi.call.dto.CallMessage;
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import com.ruoyi.call.listener.WebsocketHandler;
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import com.ruoyi.common.exception.ServiceException;
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import com.ruoyi.utils.websocket.util.WebSocketUtils;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Component;
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import javax.websocket.*;
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import javax.websocket.server.PathParam;
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import javax.websocket.server.ServerEndpoint;
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import java.io.IOException;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import static com.ruoyi.utils.websocket.util.WebSocketUtils.ONLINE_USER_SESSIONS;
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/**
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* @ClassName ChatServerEndpoint
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* @Description: websocket操作类
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* @Author 刘苏义
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* @Date 2023/1/27 7:42
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* @Version 1.0
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*/
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@Component
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@Slf4j(topic = "websocket")
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@ServerEndpoint("/websocket/{userId}")
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public class ChatServerEndpoint {
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@OnOpen
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public void openSession(@PathParam("userId") String userId, Session session) {
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WebSocketUtils.ONLINE_USER_SESSIONS.put(userId, session);
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String message = "用户[" + userId + "] 成功连接！";
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log.info("用户登录：" + message);
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WebSocketUtils.sendMessage(session, message);
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}
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@OnMessage
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public void onMessage(@PathParam("userId") String userId, String message) {
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log.debug("收到消息：" + message);
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try {
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if(isValidJson(message)) {
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// 处理视频通话消息
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WebsocketHandler.handleMessage(userId, message);
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// 根据用户新的频率重新调整定时任务
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AppPositionPushService.messageHandler(userId, message);
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} else {
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// 处理其他消息
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WebSocketUtils.sendMessage(userId,"Received an invalid JSON message："+message);
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}
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} catch (Exception ex) {
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WebSocketUtils.sendMessage(userId, "无法解析消息【" + message + "】:" + ex.getMessage());
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}
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}
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@OnClose
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public void onClose(@PathParam("userId") String userId, Session session) {
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//当前的Session 移除
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WebSocketUtils.ONLINE_USER_SESSIONS.remove(userId);
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String message = "用户[" + userId + "] 断开连接！";
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log.info("消息：" + message);
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//从房间中移除用户
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WebSocketUtils.ROOM_USER_SET.values().stream().forEach(userSet -> userSet.remove(userId));
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try {
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session.close();
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AppPositionPushService.stopHandler(userId);
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} catch (IOException e) {
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log.error("onClose error", e);
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}
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}
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@OnError
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public void onError(Session session, Throwable throwable) {
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try {
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session.close();
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} catch (IOException e) {
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log.error("onError excepiton", e);
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}
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log.info("Throwable msg " + throwable.getMessage());
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}
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/**
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* 检查给定的字符串是否为有效的JSON格式。
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*
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* @param message 要检查的字符串
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* @return 如果是有效的JSON字符串，返回true；否则返回false。
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*/
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public static boolean isValidJson(String message) {
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try {
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Object json = JSON.parse(message);
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// 确保解析结果是JSONObject或JSONArray类型
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return (json instanceof JSONObject || json instanceof JSONArray);
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} catch (JSONException e) {
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return false; // 解析失败，说明不是合法的JSON
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}
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}
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}
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