/*
 * Copyright 2012-2017 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package sample.web.secure;

import java.util.Date;
import java.util.Map;

import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.security.SecurityProperties;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@SpringBootApplication
@Controller
public class SampleWebSecureApplication implements WebMvcConfigurer {

	@GetMapping("/")
	public String home(Map<String, Object> model) {
		model.put("message", "Hello World");
		model.put("title", "Hello Home");
		model.put("date", new Date());
		return "home";
	}

	@RequestMapping("/foo")
	public String foo() {
		throw new RuntimeException("Expected exception in controller");
	}

	@Override
	public void addViewControllers(ViewControllerRegistry registry) {
		registry.addViewController("/login").setViewName("login");
	}

	public static void main(String[] args) throws Exception {
		new SpringApplicationBuilder(SampleWebSecureApplication.class).run(args);
	}

	@Configuration
	@Order(SecurityProperties.ACCESS_OVERRIDE_ORDER)
	protected static class ApplicationSecurity extends WebSecurityConfigurerAdapter {

		@Override
		protected void configure(HttpSecurity http) throws Exception {
			http.authorizeRequests().anyRequest().fullyAuthenticated().and().formLogin()
					.loginPage("/login").failureUrl("/login?error").permitAll().and()
					.logout().permitAll();
		}

		@Override
		public void configure(AuthenticationManagerBuilder auth) throws Exception {
			auth.inMemoryAuthentication().withUser("admin").password("admin")
					.roles("ADMIN", "USER").and().withUser("user").password("user")
					.roles("USER");
		}

	}

}
