package com.commerce.oauth.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.password.PasswordEncoder;
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.error.OAuth2AccessDeniedHandler;
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 AuthServerOAuth2Config extends AuthorizationServerConfigurerAdapter {

    @Autowired
    @Qualifier("dataSource")
    private DataSource dataSource;

    @Autowired
    private AuthenticationManager authenticationManager;

    @Autowired
    @Qualifier("userService")
    private UserDetailsService userDetailsService;

    @Autowired
    private PasswordEncoder oauthClientPasswordEncoder;

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

    @Bean
    public OAuth2AccessDeniedHandler oauthAccessDeniedHandler() {
        return new OAuth2AccessDeniedHandler();
    }

    @Override
    public void configure(AuthorizationServerSecurityConfigurer oauthServer) {
        oauthServer.tokenKeyAccess("permitAll()")
                .checkTokenAccess("isAuthenticated()")
                .passwordEncoder(oauthClientPasswordEncoder);
    }

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

    @Override
    public void configure(AuthorizationServerEndpointsConfigurer endpoints) {
        endpoints.tokenStore(tokenStore())
                .authenticationManager(authenticationManager)
                .userDetailsService(userDetailsService);
    }

}