/*
    * Copyright (C) 2010 Atlassian
    *
    * 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.atlassian.jira.rest.client.internal.json;
  
  import com.atlassian.jira.rest.client.api.ExpandableProperty;
  import com.atlassian.jira.rest.client.api.domain.BasicUser;
  import com.atlassian.jira.rest.client.api.domain.User;
  import com.google.common.base.Preconditions;
  import com.google.common.collect.Maps;
  import org.codehaus.jettison.json.JSONException;
  import org.codehaus.jettison.json.JSONObject;
  
  import java.net.URI;
  import java.util.Iterator;
  import java.util.Map;
  
  public class UserJsonParser implements JsonObjectParser<User> {
      @Override
      public User parse(JSONObject json) throws JSONException {
          final BasicUser basicUser = Preconditions.checkNotNull(JsonParseUtil.parseBasicUser(json));
          final String timezone = JsonParseUtil.getOptionalString(json, "timeZone");
          final String avatarUrl = JsonParseUtil.getOptionalString(json, "avatarUrl");
          Map<String, URI> avatarUris = Maps.newHashMap();
          if (avatarUrl != null) {
              // JIRA prior 5.0
              final URI avatarUri = JsonParseUtil.parseURI(avatarUrl);
              avatarUris.put(User.S48_48, avatarUri);
          } else {
              // JIRA 5.0+
              final JSONObject avatarUrlsJson = json.getJSONObject("avatarUrls");
              @SuppressWarnings("unchecked") final Iterator<String> iterator = avatarUrlsJson.keys();
              while (iterator.hasNext()) {
                  final String key = iterator.next();
                  avatarUris.put(key, JsonParseUtil.parseURI(avatarUrlsJson.getString(key)));
              }
          }
          // e-mail may be not set in response if e-mail visibility in jira configuration is set to hidden (in jira 4.3+)
          final String emailAddress = JsonParseUtil.getOptionalString(json, "emailAddress");
          // optional because groups are not returned for issue->{reporter,assignee}
          final ExpandableProperty<String> groups = JsonParseUtil.parseOptionalExpandableProperty(json
                  .optJSONObject("groups"), new JsonObjectParser<String>() {
              @Override
              public String parse(JSONObject json) throws JSONException {
                  return json.getString("name");
              }
          });
          return new User(basicUser.getSelf(), basicUser.getName(), basicUser
                  .getDisplayName(), emailAddress, groups, avatarUris, timezone);
      }
  }