package com.nokia.request_log.config;

import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import com.nokia.request_log.interceptor.RequestLogHandlerInterceptor;
import com.nokia.request_log.servlet.RequestLogDispatcherServlet;

/**
 * 自动配置类，需要在resuources/META-INF/spring.factories文件进行配置
 */
@Configuration
@ConditionalOnProperty(name = "request.log.enable", havingValue = "true", matchIfMissing = false)
public class RequestLogAutoConfiguration implements WebMvcConfigurer {

    /**
     * 添加拦截器
     */
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        // 添加日志拦截器
        registry.addInterceptor(new RequestLogHandlerInterceptor()).addPathPatterns("/**");
    }

    /**
     * 注入自定义的RequestLogDispatcherServlet替代默认的DispatcherServlet
     */
    @Bean
    @Qualifier(DispatcherServletAutoConfiguration.DEFAULT_DISPATCHER_SERVLET_BEAN_NAME)
    public DispatcherServlet dispatcherServlet() {
        return new RequestLogDispatcherServlet();
    }

}