/*
    * Copyright (C) 2012 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.domain.BulkOperationErrorResult;
  import com.atlassian.jira.rest.client.api.domain.util.ErrorCollection;
  import org.codehaus.jettison.json.JSONArray;
  import org.codehaus.jettison.json.JSONException;
  import org.codehaus.jettison.json.JSONObject;
  
  import java.util.Collection;
  import java.util.Collections;
  import java.util.Map;
  
  /**
   * Parses collection of errors returned from bulk issue create operation
   *
   * @since v2.0
   */
  public class IssueErrorJsonParser implements JsonObjectParser<BulkOperationErrorResult> {
  
      @Override
      public BulkOperationErrorResult parse(final JSONObject json) throws JSONException {
  
          final Integer status = json.getInt("status");
          final Integer issueNumber = json.getInt("failedElementNumber");
  
          final JSONObject elementErrors = json.optJSONObject("elementErrors");
          final JSONObject jsonErrors = elementErrors.optJSONObject("errors");
          final JSONArray jsonErrorMessages = elementErrors.optJSONArray("errorMessages");
  
          final Collection<String> errorMessages;
          if (jsonErrorMessages != null) {
              errorMessages = JsonParseUtil.toStringCollection(jsonErrorMessages);
          } else {
              errorMessages = Collections.emptyList();
          }
  
          final Map<String, String> errors;
          if (jsonErrors != null) {
              errors = JsonParseUtil.toStringMap(jsonErrors.names(), jsonErrors);
          } else {
              errors = Collections.emptyMap();
          }
  
          return new BulkOperationErrorResult(new ErrorCollection(status, errorMessages, errors), issueNumber);
      }
  
  }