package com.iailab.module.websocket.server;

import com.iailab.module.websocket.config.ServerEncoder;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;

import javax.websocket.*;
import javax.websocket.server.PathParam;
import javax.websocket.server.ServerEndpoint;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

/**
 * @author lirm
 * @Description
 * @createTime 2023.11.23
 */
@Slf4j
@Component
@ServerEndpoint(encoders={ServerEncoder.class},value = "/socket/{username}")
public class WebSocketServer {

    /**
     * 储存当前对象
     */
    private static Map<String, Session> sessionMap = new ConcurrentHashMap<>();

    @OnOpen
    public void onOpen(Session session, @PathParam("username") String username) {
        sessionMap.put(username, session);
    }

    @OnClose
    public void onClose(@PathParam("username") String username) {
        if (sessionMap.containsKey(username)) {
            sessionMap.remove(username);
        }
    }

    @OnMessage
    public void onMessage(String message) {
    	broadcastAllUser(message);
    }

    @OnError
    public void onError(Session session, Throwable error) {
        error.printStackTrace();
    }
    public void broadcastUsers(List<String> users, Object message) {
        try {
            Set<String> strings = sessionMap.keySet();
            for (String name : users) {
                if (strings.contains(name)) {
                    sessionMap.get(name).getBasicRemote().sendObject(message);
                }
            }
        } catch (Exception ex) {
            log.error("广播消息出现异常");
            ex.printStackTrace();
        }
    }

    public void broadcastAllUser(String message) {
        try {
            Set<String> strings = sessionMap.keySet();
            for (String name : strings) {
                sessionMap.get(name).getBasicRemote().sendText(message);
            }
        } catch (Exception ex) {
            log.error("广播消息出现异常");
            ex.printStackTrace();
        }
    }
}