/*
 * Copyright 2014 Open mHealth
 *
 * 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 org.openmhealth.dsu.configuration;

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.approval.UserApprovalHandler;
import org.springframework.security.oauth2.provider.token.TokenStore;
import org.springframework.security.oauth2.provider.token.store.InMemoryTokenStore;


/**
 * A configuration that enables and configures the OAuth 2.0 authorization server that ship with Spring Security OAuth.
 *
 * @author Emerson Farrugia
 */
@Configuration
@EnableAuthorizationServer
public class OAuth2AuthorizationServerConfiguration extends AuthorizationServerConfigurerAdapter {

    public static final String CLIENT_ROLE = "ROLE_CLIENT";

    @Autowired
    private TokenStore tokenStore;

    @Autowired
    private UserApprovalHandler userApprovalHandler;

    @Autowired
    private AuthenticationManager authenticationManager;


    @Override
    public void configure(AuthorizationServerSecurityConfigurer oauthServer) throws Exception {

        // FIXME figure out what this is for
        oauthServer.realm("dsu/client");
    }


    @Override
    public void configure(ClientDetailsServiceConfigurer clients) throws Exception {

        // FIXME test and enable the different grant types
        // FIXME this is temporary, these ClientDetails should be persisted
        clients.inMemory().withClient("foo")
                .resourceIds("dataPoint")
                .authorizedGrantTypes("password")
                        // .authorizedGrantTypes("password", "authorization_code", "refresh_token",
                        // "implicit")
                .authorities(CLIENT_ROLE)
                .scopes("read", "write");
        //                .secret("secret")
        //                .redirectUris(tonrRedirectUri)
    }

    // FIXME replace the volatile store with a persistent store
    @Bean
    public TokenStore tokenStore() {
        return new InMemoryTokenStore();
    }

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

@@ -701,60 +701,8 @@
 ed;%0A
-import org.springframework.context.annotation.Bean;%0A
 impo
@@ -836,113 +836,8 @@
 er;%0A
-import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;%0A
 impo
@@ -1344,180 +1344,14 @@
 der.
-approval.UserApprovalHandler;%0Aimport org.springframework.security.oauth2.provider.token.TokenStore;%0Aimport org.springframework.security.oauth2.provider.token.store.InMemory
+token.
 Toke
@@ -1669,182 +1669,52 @@
     
-public static final String CLIENT_ROLE = %22ROLE_CLIENT%22;%0A%0A    @Autowired%0A    private TokenStore tokenStore;%0A%0A    @Autowired%0A    private UserApprovalHandler userApprovalHandler
+@Autowired%0A    private TokenStore tokenStore
 ;%0A%0A 
@@ -1912,943 +1912,161 @@
  // 
-FIXME figure out what this is for%0A        oauthServer.realm(%22dsu/client%22);%0A    %7D%0A%0A%0A    @Override%0A    public void configure(ClientDetailsServiceConfigurer clients) throws Exception %7B%0A%0A        // FIXME test and enable the different grant types%0A        // FIXME this is temporary, these ClientDetails should be persisted%0A        clients.inMemory().withClient(%22foo%22)%0A                .resourceIds(%22dataPoint%22)%0A                .authorizedGrantTypes(%22password%22)%0A                        // .authorizedGrantTypes(%22password%22, %22authorization_code%22, %22refresh_token%22,%0A                        // %22implicit%22)%0A                .authorities(CLIENT_ROLE)%0A                .scopes(%22read%22, %22write%22);%0A        //                .secret(%22secret%22)%0A        //                .redirectUris(tonrRedirectUri)%0A    %7D%0A%0A    // FIXME replace the volatile store with a persistent store%0A    @Bean%0A    public TokenStore tokenStore() %7B%0A        return new InMemoryTokenStore(
+TODO determine if the Spring Boot spring.basic.realm property should be used instead%0A        // sets the HTTP Basic realm%0A        oauthServer.realm(%22dsu%22
 );%0A 
@@ -2242,66 +2242,8 @@
 re)%0A
-                .userApprovalHandler(userApprovalHandler)%0A
     

Clean up the authorisation server configuration.