/*
    * Copyright (C) 2010-2012 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.OptionalIterable;
  import com.atlassian.jira.rest.client.api.domain.BasicComponent;
  import com.atlassian.jira.rest.client.api.domain.BasicProjectRole;
  import com.atlassian.jira.rest.client.api.domain.BasicUser;
  import com.atlassian.jira.rest.client.api.domain.IssueType;
  import com.atlassian.jira.rest.client.api.domain.Project;
  import com.atlassian.jira.rest.client.api.domain.Version;
  import com.google.common.base.Splitter;
  import org.codehaus.jettison.json.JSONArray;
  import org.codehaus.jettison.json.JSONException;
  import org.codehaus.jettison.json.JSONObject;
  
  import java.net.URI;
  import java.net.URISyntaxException;
  import java.util.Collection;
  import java.util.Collections;
  
  public class ProjectJsonParser implements JsonObjectParser<Project> {
  
      private final VersionJsonParser versionJsonParser = new VersionJsonParser();
      private final BasicComponentJsonParser componentJsonParser = new BasicComponentJsonParser();
      private final IssueTypeJsonParser issueTypeJsonParser = new IssueTypeJsonParser();
      private final BasicProjectRoleJsonParser basicProjectRoleJsonParser = new BasicProjectRoleJsonParser();
  
      static Iterable<String> parseExpandos(final JSONObject json) throws JSONException {
          if (json.has("expand")) {
              final String expando = json.getString("expand");
              return Splitter.on(',').split(expando);
          } else {
              return Collections.emptyList();
          }
      }
  
      @Override
      public Project parse(JSONObject json) throws JSONException {
          URI self = JsonParseUtil.getSelfUri(json);
          final Iterable<String> expandos = parseExpandos(json);
          final BasicUser lead = JsonParseUtil.parseBasicUser(json.getJSONObject("lead"));
          final String key = json.getString("key");
          final Long id = JsonParseUtil.getOptionalLong(json, "id");
          final String name = JsonParseUtil.getOptionalString(json, "name");
          final String urlStr = JsonParseUtil.getOptionalString(json, "url");
          URI uri;
          try {
              uri = urlStr == null || "".equals(urlStr) ? null : new URI(urlStr);
          } catch (URISyntaxException e) {
              uri = null;
          }
          String description = JsonParseUtil.getOptionalString(json, "description");
          if ("".equals(description)) {
              description = null;
          }
          final Collection<Version> versions = JsonParseUtil.parseJsonArray(json.getJSONArray("versions"), versionJsonParser);
          final Collection<BasicComponent> components = JsonParseUtil.parseJsonArray(json
                  .getJSONArray("components"), componentJsonParser);
          final JSONArray issueTypesArray = json.optJSONArray("issueTypes");
          final OptionalIterable<IssueType> issueTypes = JsonParseUtil.parseOptionalJsonArray(issueTypesArray, issueTypeJsonParser);
          final Collection<BasicProjectRole> projectRoles = basicProjectRoleJsonParser.parse(JsonParseUtil
                  .getOptionalJsonObject(json, "roles"));
          return new Project(expandos, self, key, id, name, description, lead, uri, versions, components, issueTypes, projectRoles);
      }
  
  
  }