/*
 * Password Management Servlets (PWM)
 * http://www.pwm-project.org
 *
 * Copyright (c) 2006-2009 Novell, Inc.
 * Copyright (c) 2009-2021 The PWM Project
 *
 * 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 password.pwm.http.servlet.peoplesearch;

import lombok.Builder;
import lombok.Value;
import password.pwm.util.java.CollectionUtil;
import password.pwm.util.java.StringUtil;

import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

@Value
@Builder
public class SearchRequestBean
{
    @Builder.Default
    private SearchMode mode = SearchMode.simple;

    private String username;
    private List<SearchValue> searchValues;
    private boolean includeDisplayName;

    public enum SearchMode
    {
        simple,
        advanced,
    }

    @Value
    public static class SearchValue
    {
        private String key;
        private String value;
    }

    public static Map<String, String> searchValueToMap( final List<SearchValue> input )
    {
        return input.stream()
                .collect( Collectors.toUnmodifiableMap(
                        SearchValue::getKey,
                        SearchValue::getValue
                ) );
    }

    public List<SearchValue> nonEmptySearchValues()
    {
        return filterNonEmptySearchValues( getSearchValues() );
    }

    public static List<SearchValue> filterNonEmptySearchValues( final List<SearchValue> input )
    {
        if ( CollectionUtil.isEmpty( input ) )
        {
            return Collections.emptyList();
        }

        return input.stream()
                .filter( searchValue -> !StringUtil.isEmpty( searchValue.getKey() ) )
                .filter( searchValue -> !StringUtil.isEmpty( searchValue.getValue() ) )
                .collect( Collectors.toUnmodifiableList() );
    }
}
