package org.vaadin.tutorial.spring;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;

import com.vaadin.flow.server.VaadinServlet;
import com.vaadin.flow.tutorial.annotations.CodeFor;

/**
 * The entry point of the Spring Boot application.
 */
@SpringBootApplication
public class Application {

    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }

    @Bean
    public ServletRegistrationBean frontendServletBean() {
        ServletRegistrationBean bean = new ServletRegistrationBean<>(new VaadinServlet() {
            @Override
            protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
                if (!serveStaticOrWebJarRequest(req, resp)) {
                    resp.sendError(404);
                }
            }
        }, "/frontend/*");
        bean.setLoadOnStartup(1);
        return bean;
    }
}