package com.packt.example.remoteauthserver.oauth;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerEndpointsConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.TokenStore;
import org.springframework.security.oauth2.provider.token.store.JdbcTokenStore;

import javax.sql.DataSource;

@Configuration
@EnableAuthorizationServer
public class OAuth2AuthorizationServer extends
        AuthorizationServerConfigurerAdapter {

    @Autowired
    private DataSource dataSource;

    @Autowired
    private AuthenticationManager authenticationManager;

    @Bean
    public TokenStore tokenStore() {
        return new JdbcTokenStore(dataSource);
    }

    public void configure(AuthorizationServerEndpointsConfigurer endpoints)
            throws Exception {
        endpoints
            .authenticationManager(authenticationManager)
            .tokenStore(tokenStore());
    }

    @Override
    public void configure(AuthorizationServerSecurityConfigurer security) throws Exception {
        security.checkTokenAccess("hasAuthority('introspection')");
    }

    public void configure(ClientDetailsServiceConfigurer clients)
            throws Exception {
        clients.jdbc(dataSource);
    }

}