package top.haijunit.websocket.config;

import cn.hutool.core.util.StrUtil;
import lombok.RequiredArgsConstructor;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.server.HandshakeInterceptor;
import top.haijunit.websocket.config.properties.WebSocketProperties;
import top.haijunit.websocket.handler.CustomWebSocketHandler;
import top.haijunit.websocket.handler.WebSocketTopicListener;

/**
 * @author zhanghaijun
 * @date 2023/11/17 17:47
 * @description [一句话描述该类的功能]
 */
@AutoConfiguration
@EnableConfigurationProperties(WebSocketProperties.class)
@EnableWebSocket
@RequiredArgsConstructor
public class WebSocketConfig {

    private final ApplicationContext applicationContext;

    @Bean
    public WebSocketConfigurer webSocketConfigurer(HandshakeInterceptor handshakeInterceptor, WebSocketHandler webSocketHandler, WebSocketProperties webSocketProperties) {
        if (StrUtil.isBlank(webSocketProperties.getPath())) {
            webSocketProperties.setPath("/websocket");
        }
        if (StrUtil.isBlank(webSocketProperties.getAllowedOrigins())) {
            webSocketProperties.setAllowedOrigins("*");
        }
        return registry -> registry.addHandler(webSocketHandler, webSocketProperties.getPath()).addInterceptors(handshakeInterceptor).setAllowedOrigins(webSocketProperties.getAllowedOrigins());
    }

    @Bean
    public HandshakeInterceptor handshakeInterceptor() {
        return new top.haijunit.websocket.handler.WebSocketInterceptor();
    }

    @Bean
    public WebSocketHandler webSocketHandler() {
        return new CustomWebSocketHandler(applicationContext);
    }

    @Bean
    public WebSocketTopicListener topicListener() {
        return new top.haijunit.websocket.handler.WebSocketTopicListener();
    }

}