// Copyright (C) 2013 The Android Open Source 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 com.google.gerrit.server.project;

import static java.util.stream.Collectors.toMap;

import com.google.common.base.Strings;
import com.google.gerrit.common.data.LabelType;
import com.google.gerrit.common.data.LabelValue;
import com.google.gerrit.extensions.common.LabelTypeInfo;
import com.google.gerrit.extensions.common.ProjectInfo;
import com.google.gerrit.extensions.common.WebLinkInfo;
import com.google.gerrit.extensions.restapi.Url;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.server.WebLinks;
import com.google.gerrit.server.config.AllProjectsName;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.util.HashMap;
import java.util.List;

@Singleton
public class ProjectJson {

  private final AllProjectsName allProjects;
  private final WebLinks webLinks;

  @Inject
  ProjectJson(AllProjectsName allProjectsName, WebLinks webLinks) {
    this.allProjects = allProjectsName;
    this.webLinks = webLinks;
  }

  public ProjectInfo format(ProjectState projectState) {
    ProjectInfo info = format(projectState.getProject());
    info.labels = new HashMap<>();
    for (LabelType t : projectState.getLabelTypes().getLabelTypes()) {
      LabelTypeInfo labelInfo = new LabelTypeInfo();
      labelInfo.values =
          t.getValues().stream().collect(toMap(LabelValue::formatValue, LabelValue::getText));
      labelInfo.defaultValue = t.getDefaultValue();
      info.labels.put(t.getName(), labelInfo);
    }

    return info;
  }

  public ProjectInfo format(Project p) {
    ProjectInfo info = new ProjectInfo();
    info.name = p.getName();
    Project.NameKey parentName = p.getParent(allProjects);
    info.parent = parentName != null ? parentName.get() : null;
    info.description = Strings.emptyToNull(p.getDescription());
    info.state = p.getState();
    info.id = Url.encode(info.name);
    List<WebLinkInfo> links = webLinks.getProjectLinks(p.getName());
    info.webLinks = links.isEmpty() ? null : links;
    return info;
  }
}

@@ -734,16 +734,63 @@
 trings;%0A
+import com.google.common.flogger.FluentLogger;%0A
 import c
@@ -829,16 +829,16 @@
 elType;%0A
-
 import c
@@ -1401,16 +1401,95 @@
 ctJson %7B
+%0A  private static final FluentLogger logger = FluentLogger.forEnclosingClass();
 %0A%0A  priv
@@ -2051,67 +2051,455 @@
 am()
-.collect(toMap(LabelValue::formatValue, LabelValue::getText
+%0A              .collect(%0A                  toMap(%0A                      LabelValue::formatValue,%0A                      LabelValue::getText,%0A                      (v1, v2) -%3E %7B%0A                        logger.atSevere().log(%0A                            %22Duplicate values for project: %25s, label: %25s found: '%25s':'%25s'%22,%0A                            projectState.getName(), t.getName(), v1, v2);%0A                        return v1;%0A                      %7D
 ));%0A

Use merge function for label value rendering