package com.erp.alarm;

import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;

@Configuration
@EnableWebSocket
@RequiredArgsConstructor
public class WebSocketConfig implements WebSocketConfigurer {

    private final AlarmWebSocketHandler alarmHandler;
    private final AlarmHandshakeInterceptor handshakeInterceptor;

    @Override
    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
        // path 를 /api/demo/* 안에 두는 이유:
        // 운영 Traefik 라우트가 PathPrefix(`/api`) 만 backend 로 보내므로 별도 라우트 추가가 필요 없음.
        // /demo/* 는 시연용임을 path 에서 명시 — 정식 알람 시스템(/api/alarm/*)과 분리.
        registry.addHandler(alarmHandler, "/api/demo/ws/alarm")
                .addInterceptors(handshakeInterceptor)
                .setAllowedOriginPatterns("*");
    }
}