import "jquery";
import * as Q from "q";
import * as DataModels from "../Contracts/DataModels";
import * as ViewModels from "../Contracts/ViewModels";
import { getAuthorizationHeader } from "../Utils/AuthorizationUtils";
import { userContext } from "../UserContext";

export class NotificationsClientBase {
  private _extensionEndpoint: string;
  private _notificationsApiSuffix: string;

  protected constructor(notificationsApiSuffix: string) {
    this._notificationsApiSuffix = notificationsApiSuffix;
  }

  public fetchNotifications(): Q.Promise<DataModels.Notification[]> {
    const deferred: Q.Deferred<DataModels.Notification[]> = Q.defer<DataModels.Notification[]>();
    const databaseAccount = userContext.databaseAccount;
    const subscriptionId = userContext.subscriptionId;
    const resourceGroup = userContext.resourceGroup;
    const url = `${this._extensionEndpoint}${this._notificationsApiSuffix}?accountName=${databaseAccount.name}&subscriptionId=${subscriptionId}&resourceGroup=${resourceGroup}`;
    const authorizationHeader: ViewModels.AuthorizationTokenHeaderMetadata = getAuthorizationHeader();
    const headers: any = {};
    headers[authorizationHeader.header] = authorizationHeader.token;

    $.ajax({
      url: url,
      type: "GET",
      headers: headers,
      cache: false
    }).then(
      (notifications: DataModels.Notification[], textStatus: string, xhr: JQueryXHR<any>) => {
        deferred.resolve(notifications);
      },
      (xhr: JQueryXHR<any>, textStatus: string, error: any) => {
        deferred.reject(xhr.responseText);
      }
    );

    return deferred.promise;
  }

  public setExtensionEndpoint(extensionEndpoint: string): void {
    this._extensionEndpoint = extensionEndpoint;
  }
}