/*
    * 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.domain.IssueLink;
  import com.atlassian.jira.rest.client.api.domain.IssueLinkType;
  import com.atlassian.jira.rest.client.api.domain.IssuelinksType;
  import org.codehaus.jettison.json.JSONException;
  import org.codehaus.jettison.json.JSONObject;
  
  import java.net.URI;
  
  public class IssueLinkJsonParserV5 implements JsonObjectParser<IssueLink> {
      private final IssuelinksTypeJsonParserV5 issuelinksTypeJsonParserV5 = new IssuelinksTypeJsonParserV5();
  
      @Override
      public IssueLink parse(JSONObject json) throws JSONException {
          final IssuelinksType issuelinksType = issuelinksTypeJsonParserV5.parse(json.getJSONObject("type"));
          final IssueLinkType.Direction direction;
          final JSONObject link;
          if (json.has("inwardIssue")) {
              link = json.getJSONObject("inwardIssue");
              direction = IssueLinkType.Direction.INBOUND;
          } else {
              link = json.getJSONObject("outwardIssue");
              direction = IssueLinkType.Direction.OUTBOUND;
          }
  
          final String key = link.getString("key");
          final URI targetIssueUri = JsonParseUtil.parseURI(link.getString("self"));
          final IssueLinkType issueLinkType = new IssueLinkType(issuelinksType.getName(),
                  direction.equals(IssueLinkType.Direction.INBOUND) ? issuelinksType.getInward()
                          : issuelinksType.getOutward(), direction);
          return new IssueLink(key, targetIssueUri, issueLinkType);
      }
  }