/*
    * 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.gen;
  
  import com.atlassian.jira.rest.client.api.domain.input.ComplexIssueInputFieldValue;
  import org.codehaus.jettison.json.JSONArray;
  import org.codehaus.jettison.json.JSONException;
  import org.codehaus.jettison.json.JSONObject;
  
  import java.util.Map;
  
  /**
   * Json Generator for ComplexIssueInputFieldValue
   *
   * @since v1.0
   */
  public class ComplexIssueInputFieldValueJsonGenerator implements JsonGenerator<ComplexIssueInputFieldValue> {
      @Override
      public JSONObject generate(ComplexIssueInputFieldValue bean) throws JSONException {
          final JSONObject json = new JSONObject();
          for (Map.Entry<String, Object> entry : bean.getValuesMap().entrySet()) {
              json.put(entry.getKey(), generateFieldValueForJson(entry.getValue()));
          }
          return json;
      }
  
      public Object generateFieldValueForJson(Object rawValue) throws JSONException {
          if (rawValue == null) {
              return JSONObject.NULL;
          } else if (rawValue instanceof ComplexIssueInputFieldValue) {
              return generate((ComplexIssueInputFieldValue) rawValue);
          } else if (rawValue instanceof Iterable) {
              // array with values
              final JSONArray array = new JSONArray();
              for (Object value : (Iterable) rawValue) {
                  array.put(generateFieldValueForJson(value));
              }
              return array;
          } else if (rawValue instanceof CharSequence) {
              return rawValue.toString();
          } else if (rawValue instanceof Number) {
              return rawValue;
          } else {
              throw new JSONException("Cannot generate value - unknown type for me: " + rawValue.getClass());
          }
      }
  }