/*
 * Copyright (c) 2004-2020, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.hisp.dhis.webapi.controller.user;

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

import org.hisp.dhis.common.DhisApiVersion;
import org.hisp.dhis.common.IllegalQueryException;
import org.hisp.dhis.configuration.ConfigurationService;
import org.hisp.dhis.feedback.ErrorCode;
import org.hisp.dhis.feedback.ErrorMessage;
import org.hisp.dhis.user.User;
import org.hisp.dhis.user.UserGroup;
import org.hisp.dhis.user.UserQueryParams;
import org.hisp.dhis.user.UserService;
import org.hisp.dhis.webapi.mvc.annotation.ApiVersion;
import org.hisp.dhis.webapi.webdomain.user.UserLookup;
import org.hisp.dhis.webapi.webdomain.user.UserLookups;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import com.google.common.collect.Sets;

/**
 * The user lookup API provides a minimal user information endpoint.
 *
 * @author Lars Helge Overland
 */
@RestController
@RequestMapping( value = UserLookupController.API_ENDPOINT )
@ApiVersion( { DhisApiVersion.DEFAULT, DhisApiVersion.ALL } )
public class UserLookupController
{
    static final String API_ENDPOINT = "/userLookup";

    @Autowired
    private UserService userService;

    @Autowired
    private ConfigurationService config;

    @GetMapping( value = "/{id}" )
    public UserLookup lookUpUser( @PathVariable String id )
    {
        User user = userService.getUserByIdentifier( id );

        return user != null ? UserLookup.fromUser( user ) : null;
    }

    @GetMapping
    public UserLookups lookUpUsers( @RequestParam String query )
    {
        UserQueryParams params = new UserQueryParams()
            .setQuery( query )
            .setMax( 25 );

        List<UserLookup> users = userService.getUsers( params ).stream()
            .map( user -> UserLookup.fromUser( user ) )
            .collect( Collectors.toList() );

        return new UserLookups( users );
    }

    @GetMapping( value = "/feedbackRecipients" )
    public UserLookups lookUpFeedbackRecipients( @RequestParam String query )
    {
        UserGroup feedbackReciepients = config.getConfiguration().getFeedbackRecipients();

        if ( feedbackReciepients == null )
        {
            throw new IllegalQueryException( new ErrorMessage( ErrorCode.E6200 ) );
        }

        UserQueryParams params = new UserQueryParams()
            .setQuery( query )
            .setUserGroups( Sets.newHashSet( feedbackReciepients ) )
            .setMax( 25 );

        List<UserLookup> users = userService.getUsers( params ).stream()
            .map( user -> UserLookup.fromUser( user ) )
            .collect( Collectors.toList() );

        return new UserLookups( users );
    }
}

@@ -1609,61 +1609,40 @@
 ort 
-java.util.List;%0Aimport java.util.stream.C
+com.google.common.c
 ollect
-or
+.Set
 s;%0A
-%0A
 impo
@@ -2195,71 +2195,8 @@
 ps;%0A
-import org.springframework.beans.factory.annotation.Autowired;%0A
 impo
@@ -2510,37 +2510,57 @@
 ort 
-com.google.common.c
+java.util.List;%0Aimport java.util.stream.C
 ollect
-.Set
+or
 s;%0A%0A
@@ -2900,31 +2900,16 @@
 okup%22;%0A%0A
-    @Autowired%0A
     priv
@@ -2912,16 +2912,22 @@
 private 
+final 
 UserServ
@@ -2952,59 +2952,221 @@
     
-@Autowired%0A    private ConfigurationService config;
+private final ConfigurationService config;%0A%0A    public UserLookupController( UserService userService, ConfigurationService config )%0A    %7B%0A        this.userService = userService;%0A        this.config = config;%0A    %7D
 %0A%0A  
@@ -3684,32 +3684,24 @@
        .map(
- user -%3E
  UserLookup.
@@ -3695,33 +3695,34 @@
 ( UserLookup
-.
+::
 fromUser
 ( user ) )%0A 
@@ -3705,32 +3705,24 @@
 up::fromUser
-( user )
  )%0A         
@@ -3961,33 +3961,32 @@
 oup feedbackReci
-e
 pients = config.
@@ -4051,25 +4051,24 @@
 feedbackReci
-e
 pients == nu
@@ -4320,17 +4320,16 @@
 backReci
-e
 pients )
@@ -4453,16 +4453,8 @@
 map(
- user -%3E
  Use
@@ -4456,33 +4456,34 @@
 ( UserLookup
-.
+::
 fromUser
 ( user ) )%0A 
@@ -4470,24 +4470,16 @@
 fromUser
-( user )
  )%0A     

fix minor spelling error in user lookup API (#5992)