package com.armedia.acm.services.search.web.api;

/*-
 * #%L
 * ACM Service: Search
 * %%
 * Copyright (C) 2014 - 2018 ArkCase LLC
 * %%
 * This file is part of the ArkCase software. 
 * 
 * If the software was purchased under a paid ArkCase license, the terms of 
 * the paid license agreement will prevail.  Otherwise, the software is 
 * provided under the following open source license terms:
 * 
 * ArkCase is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *  
 * ArkCase is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with ArkCase. If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */

import com.armedia.acm.services.search.exception.SolrException;
import com.armedia.acm.services.search.model.solr.SolrCore;
import com.armedia.acm.services.search.service.ExecuteSolrQuery;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.http.MediaType;
import org.springframework.security.core.Authentication;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletResponse;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;

@Controller
@RequestMapping({ "/api/v1/plugin/search", "/api/latest/plugin/search" })
public class PersonSearchByNameAndContactMethodAPIController
{
    private transient final Logger log = LogManager.getLogger(getClass());

    private ExecuteSolrQuery executeSolrQuery;

    @RequestMapping(value = "/personSearch", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
    @ResponseBody
    public String person(@RequestParam(value = "name", required = true) String personName,
            @RequestParam(value = "cm", required = true) String contactMethod,
            @RequestParam(value = "start", required = false, defaultValue = "0") int startRow,
            @RequestParam(value = "n", required = false, defaultValue = "10") int maxRows, Authentication authentication,
            HttpServletResponse httpResponse) throws SolrException, UnsupportedEncodingException
    {
        log.debug("User '{}' is searching for name '{}', contact method value: '{}'", authentication.getName(), personName, contactMethod);

        // use a SOLR join query to restrict person results to persons with a contact method matching the
        // given value.
        final String encodedContactMethodJoin = URLEncoder.encode("{!join from=id to=contact_method_ss}", "UTF-8");

        String query = "object_type_s:PERSON AND name:" + URLEncoder.encode(personName, "UTF-8") + " AND " + encodedContactMethodJoin
                + "value_parseable:" + URLEncoder.encode(processSearchArgument(contactMethod), "UTF-8");
        String sort = "last_name_lcs ASC, first_name_lcs ASC";

        query = query.replaceAll(" ", "+");
        sort = sort.replaceAll(" ", "+");

        String results = getExecuteSolrQuery().getResultsByPredefinedQuery(authentication, SolrCore.ADVANCED_SEARCH, query, startRow,
                maxRows, sort, false);

        httpResponse.addHeader("X-JSON", results);

        return results;

    }

    private String processSearchArgument(String searchArgument)
    {
        if (searchArgument != null)
        {
            return searchArgument + "*";
        }
        else
        {
            return "*";
        }
    }

    public ExecuteSolrQuery getExecuteSolrQuery()
    {
        return executeSolrQuery;
    }

    public void setExecuteSolrQuery(ExecuteSolrQuery executeSolrQuery)
    {
        this.executeSolrQuery = executeSolrQuery;
    }
}
