/*
    * Copyright (C) 2014 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.MyPermissionsRestClient;
  import com.atlassian.jira.rest.client.api.domain.Permissions;
  import com.atlassian.jira.rest.client.api.domain.input.MyPermissionsInput;
  import com.atlassian.jira.rest.client.internal.json.PermissionsJsonParser;
  import com.atlassian.util.concurrent.Promise;
  
  import javax.ws.rs.core.UriBuilder;
  import java.net.URI;
  
  public class AsynchronousMyPermissionsRestClient extends AbstractAsynchronousRestClient implements MyPermissionsRestClient {
      private static final String URI_PREFIX = "mypermissions";
      private final URI baseUri;
      private final PermissionsJsonParser permissionsJsonParser = new PermissionsJsonParser();
  
      protected AsynchronousMyPermissionsRestClient(final URI baseUri, final HttpClient client) {
          super(client);
          this.baseUri = baseUri;
      }
  
      @Override
      public Promise<Permissions> getMyPermissions(final MyPermissionsInput permissionInput) {
          final UriBuilder uriBuilder = UriBuilder.fromUri(baseUri).path(URI_PREFIX);
          addContextParams(uriBuilder, permissionInput);
          return getAndParse(uriBuilder.build(), permissionsJsonParser);
      }
  
      private UriBuilder addContextParams(UriBuilder uriBuilder, MyPermissionsInput permissionInput) {
          if (permissionInput != null) {
              if (permissionInput.getProjectKey() != null) {
                  uriBuilder.queryParam("projectKey", permissionInput.getProjectKey());
              }
              if (permissionInput.getProjectId() != null) {
                  uriBuilder.queryParam("projectId", permissionInput.getProjectId());
              }
              if (permissionInput.getIssueKey() != null) {
                  uriBuilder.queryParam("issueKey", permissionInput.getIssueKey());
              }
              if (permissionInput.getIssueId() != null) {
                  uriBuilder.queryParam("issueId", permissionInput.getIssueId());
              }
          }
          return uriBuilder;
      }
  }