/*-
 * ============LICENSE_START=======================================================
 *  Copyright (C) 2019 Nordix Foundation.
 * ================================================================================
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 * ============LICENSE_END=========================================================
 */
package org.onap.so.simulator.configuration;

import java.util.List;
import org.onap.so.simulator.model.User;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.authentication.configurers.provisioning.InMemoryUserDetailsManagerConfigurer;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

/**
 * @author waqas.ikram@ericsson.com
 *
 */
public abstract class SimulatorSecurityConfigurer extends WebSecurityConfigurerAdapter {
    private static final Logger LOGGER = LoggerFactory.getLogger(SimulatorSecurityConfigurer.class);


    private final List<User> users;

    public SimulatorSecurityConfigurer(final List<User> users) {
        this.users = users;
    }

    @Bean
    public BCryptPasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }

    @Autowired
    public void configureGlobal(final AuthenticationManagerBuilder auth) throws Exception {
        final InMemoryUserDetailsManagerConfigurer<AuthenticationManagerBuilder> inMemoryAuthentication =
                auth.inMemoryAuthentication().passwordEncoder(passwordEncoder());
        for (int index = 0; index < users.size(); index++) {
            final User user = users.get(index);
            LOGGER.info("Adding {} to InMemoryUserDetailsManager ...", user);
            inMemoryAuthentication.withUser(user.getUsername()).password(user.getPassword()).roles(user.getRole());
            if (index < users.size()) {
                inMemoryAuthentication.and();
            }
        }
    }
}