/*
    * 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.async;
  
  import com.atlassian.httpclient.api.HttpClient;
  import com.atlassian.jira.rest.client.api.MetadataRestClient;
  import com.atlassian.jira.rest.client.api.domain.Field;
  import com.atlassian.jira.rest.client.api.domain.IssueType;
  import com.atlassian.jira.rest.client.api.domain.IssuelinksType;
  import com.atlassian.jira.rest.client.api.domain.Priority;
  import com.atlassian.jira.rest.client.api.domain.Resolution;
  import com.atlassian.jira.rest.client.api.domain.ServerInfo;
  import com.atlassian.jira.rest.client.api.domain.Status;
  import com.atlassian.jira.rest.client.internal.json.FieldJsonParser;
  import com.atlassian.jira.rest.client.internal.json.GenericJsonArrayParser;
  import com.atlassian.jira.rest.client.internal.json.IssueLinkTypesJsonParser;
  import com.atlassian.jira.rest.client.internal.json.IssueTypeJsonParser;
  import com.atlassian.jira.rest.client.internal.json.JsonArrayParser;
  import com.atlassian.jira.rest.client.internal.json.PriorityJsonParser;
  import com.atlassian.jira.rest.client.internal.json.ResolutionJsonParser;
  import com.atlassian.jira.rest.client.internal.json.ServerInfoJsonParser;
  import com.atlassian.jira.rest.client.internal.json.StatusJsonParser;
  import com.atlassian.util.concurrent.Promise;
  
  import javax.ws.rs.core.UriBuilder;
  import java.net.URI;
  
  /**
   * Asynchronous implementation of MetadataRestClient.
   *
   * @since v2.0
   */
  public class AsynchronousMetadataRestClient extends AbstractAsynchronousRestClient implements MetadataRestClient {
  
      private static final String SERVER_INFO_RESOURCE = "/serverInfo";
      private final ServerInfoJsonParser serverInfoJsonParser = new ServerInfoJsonParser();
      private final IssueTypeJsonParser issueTypeJsonParser = new IssueTypeJsonParser();
      private final GenericJsonArrayParser<IssueType> issueTypesJsonParser = GenericJsonArrayParser.create(issueTypeJsonParser);
      private final StatusJsonParser statusJsonParser = new StatusJsonParser();
      private final GenericJsonArrayParser<Status> statusesJsonParser = GenericJsonArrayParser.create(statusJsonParser);
      private final PriorityJsonParser priorityJsonParser = new PriorityJsonParser();
      private final GenericJsonArrayParser<Priority> prioritiesJsonParser = GenericJsonArrayParser.create(priorityJsonParser);
      private final ResolutionJsonParser resolutionJsonParser = new ResolutionJsonParser();
      private final GenericJsonArrayParser<Resolution> resolutionsJsonParser = GenericJsonArrayParser.create(resolutionJsonParser);
      private final IssueLinkTypesJsonParser issueLinkTypesJsonParser = new IssueLinkTypesJsonParser();
      private final JsonArrayParser<Iterable<Field>> fieldsJsonParser = FieldJsonParser.createFieldsArrayParser();
      private final URI baseUri;
  
      public AsynchronousMetadataRestClient(final URI baseUri, HttpClient httpClient) {
          super(httpClient);
          this.baseUri = baseUri;
  
      }
  
      @Override
      public Promise<IssueType> getIssueType(final URI uri) {
          return getAndParse(uri, issueTypeJsonParser);
      }
  
      @Override
      public Promise<Iterable<IssueType>> getIssueTypes() {
          final URI uri = UriBuilder.fromUri(baseUri).path("issuetype").build();
          return getAndParse(uri, issueTypesJsonParser);
      }
  
      @Override
      public Promise<Iterable<IssuelinksType>> getIssueLinkTypes() {
          final URI uri = UriBuilder.fromUri(baseUri).path("issueLinkType").build();
          return getAndParse(uri, issueLinkTypesJsonParser);
      }
  
      @Override
      public Promise<Status> getStatus(URI uri) {
          return getAndParse(uri, statusJsonParser);
      }
  
      @Override
      public Promise<Iterable<Status>> getStatuses() {
          final URI uri = UriBuilder.fromUri(baseUri).path("status").build();
          return getAndParse(uri, statusesJsonParser);
      }
  
      @Override
      public Promise<Priority> getPriority(URI uri) {
          return getAndParse(uri, priorityJsonParser);
      }
 
     @Override
     public Promise<Iterable<Priority>> getPriorities() {
         final URI uri = UriBuilder.fromUri(baseUri).path("priority").build();
         return getAndParse(uri, prioritiesJsonParser);
     }
 
     @Override
     public Promise<Resolution> getResolution(URI uri) {
         return getAndParse(uri, resolutionJsonParser);
     }
 
     @Override
     public Promise<Iterable<Resolution>> getResolutions() {
         final URI uri = UriBuilder.fromUri(baseUri).path("resolution").build();
         return getAndParse(uri, resolutionsJsonParser);
     }
 
     @Override
     public Promise<ServerInfo> getServerInfo() {
         final URI serverInfoUri = UriBuilder.fromUri(baseUri).path(SERVER_INFO_RESOURCE).build();
         return getAndParse(serverInfoUri, serverInfoJsonParser);
     }
 
     @Override
     public Promise<Iterable<Field>> getFields() {
         final URI uri = UriBuilder.fromUri(baseUri).path("field").build();
         return getAndParse(uri, fieldsJsonParser);
     }
 }