package com.ks.consumerjdgiftcoupon.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationProvider;
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.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;

@Configuration
@EnableWebSecurity
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {

    class CustomUserService implements UserDetailsService {

        @Override
        public UserDetails loadUserByUsername(String s) throws UsernameNotFoundException {
            //通过名称查询用户

            return null;
        }
    }

    class CustomAuth implements AuthenticationProvider {

        @Override
        public Authentication authenticate(Authentication authentication) throws AuthenticationException {
            authentication.setAuthenticated(true);
            return authentication;
        }

        @Override
        public boolean supports(Class<?> aClass) {
            return true;
        }
    }


    @Bean
    UserDetailsService customUserService() {
        return new CustomUserService();
    }

    @Bean
    AuthenticationProvider customAuth() {
        return new CustomAuth();
    }

    /**
     * 定义用户认证规则
     *
     * @param auth
     * @throws Exception
     */
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(customUserService());
        auth.authenticationProvider(customAuth());
    }

    /**
     * 定义授权规则
     *
     * @param http
     * @throws Exception
     */
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
                .authorizeRequests()
                .antMatchers("/", "/home").permitAll()
                .anyRequest().authenticated()
                .and()
                .formLogin()
//                .loginPage("/login")
                .permitAll()
                .and()
                .logout()
                .permitAll();
    }


}