import { Injectable } from '@angular/core';
import { Cordova, Plugin, IonicNativePlugin } from '@ionic-native/core';
import { Observable } from 'rxjs/Observable';
namespace Http {
  export const enum Verb {
    GET, HEAD, POST, PUT, DELETE, TRACE, OPTIONS, CONNECT, PATCH
  }

  export interface Response {
    statusCode: number;
    body?: string;
  }

  export interface Requester {
    request(verb: Verb, url: string, callback: Callback<Response>): void;
    request(verb: Verb, url: string, requestBody: string, callback: Callback<Response>): void;
  }
}

/**
 * Defines a package. All fields are non-nullable, except when retrieving the currently running package on the first run of the app,
 * in which case only the appVersion is compulsory.
 *
 * !! THIS TYPE IS READ FROM NATIVE CODE AS WELL. ANY CHANGES TO THIS INTERFACE NEEDS TO BE UPDATED IN NATIVE CODE !!
 */
export interface IPackage {
  deploymentKey: string;
  description: string;
  label: string;
  appVersion: string;
  isMandatory: boolean;
  packageHash: string;
  packageSize: number;
  failedInstall: boolean;
}

/**
 * Defines a remote package, which represents an update package available for download.
 */
export interface IRemotePackage extends IPackage {
  /**
   * The URL at which the package is available for download.
   */
  downloadUrl: string;

  /**
   * Downloads the package update from the CodePush service.
   *
   * @param downloadSuccess Called with one parameter, the downloaded package information, once the download completed successfully.
   * @param downloadError Optional callback invoked in case of an error.
   * @param downloadProgress Optional callback invoked during the download process. It is called several times with one DownloadProgress parameter.
   */
  download(downloadSuccess: SuccessCallback<ILocalPackage>, downloadError?: ErrorCallback, downloadProgress?: SuccessCallback<DownloadProgress>): void;

  /**
   * Aborts the current download session, previously started with download().
   *
   * @param abortSuccess Optional callback invoked if the abort operation succeeded.
   * @param abortError Optional callback invoked in case of an error.
   */
  abortDownload(abortSuccess?: SuccessCallback<void>, abortError?: ErrorCallback): void;
}

/**
 * Defines a local package.
 *
 * !! THIS TYPE IS READ FROM NATIVE CODE AS WELL. ANY CHANGES TO THIS INTERFACE NEEDS TO BE UPDATED IN NATIVE CODE !!
 */
export interface ILocalPackage extends IPackage {
  /**
   * The local storage path where this package is located.
   */
  localPath: string;

  /**
   * Indicates if the current application run is the first one after the package was applied.
   */
  isFirstRun: boolean;

  /**
   * Applies this package to the application. The application will be reloaded with this package and on every application launch this package will be loaded.
   * On the first run after the update, the application will wait for a codePush.notifyApplicationReady() call. Once this call is made, the install operation is considered a success.
   * Otherwise, the install operation will be marked as failed, and the application is reverted to its previous version on the next run.
   *
   * @param installSuccess Callback invoked if the install operation succeeded.
   * @param installError Optional callback inovoked in case of an error.
   * @param installOptions Optional parameter used for customizing the installation behavior.
   */
  install(installSuccess: SuccessCallback<InstallMode>, errorCallback?: ErrorCallback, installOptions?: InstallOptions): void;
}

/**
 * Decomposed static side of RemotePackage.
 * For Class Decomposition guidelines see http://www.typescriptlang.org/Handbook#writing-dts-files-guidelines-and-specifics
 */
/* tslint:disable */
interface RemotePackage_Static {
  new (): IRemotePackage;
}
/* tslint:enable */

/**
 * Decomposed static side of LocalPackage.
 * For Class Decomposition guidelines see http://www.typescriptlang.org/Handbook#writing-dts-files-guidelines-and-specifics
 */
/* tslint:disable */
interface LocalPackage_Static {
  new (): ILocalPackage;
}
/* tslint:enable */

declare const RemotePackage: RemotePackage_Static;
declare const LocalPackage: LocalPackage_Static;

/**
 * Defines the JSON format of the current package information file.
 * This file is stored in the local storage of the device and persists between store updates and code-push updates.
 *
 * !! THIS FILE IS READ FROM NATIVE CODE AS WELL. ANY CHANGES TO THIS INTERFACE NEEDS TO BE UPDATED IN NATIVE CODE !!
 */
interface IPackageInfoMetadata extends ILocalPackage {
  nativeBuildTime: string;
}

interface NativeUpdateNotification {
  updateAppVersion: boolean;   // Always true
  appVersion: string;
}

export interface Callback<T> { (error: Error, parameter: T): void; }
export interface SuccessCallback<T> { (result?: T): void; }
export interface ErrorCallback { (error?: Error): void; }

interface Configuration {
  appVersion: string;
  clientUniqueId: string;
  deploymentKey: string;
  serverUrl: string;
  ignoreAppVersion?: boolean;
}

declare class AcquisitionStatus {
  static DeploymentSucceeded: string;
  static DeploymentFailed: string;
}

declare class AcquisitionManager {
  constructor(httpRequester: Http.Requester, configuration: Configuration);
  public queryUpdateWithCurrentPackage(currentPackage: IPackage, callback?: Callback<IRemotePackage | NativeUpdateNotification>): void;
  public reportStatusDeploy(pkg?: IPackage, status?: string, previousLabelOrAppVersion?: string, previousDeploymentKey?: string, callback?: Callback<void>): void;
  public reportStatusDownload(pkg: IPackage, callback?: Callback<void>): void;
}

interface CodePushCordovaPlugin {

  /**
   * Get the current package information.
   *
   * @param packageSuccess Callback invoked with the currently deployed package information.
   * @param packageError Optional callback invoked in case of an error.
   */
  getCurrentPackage(packageSuccess: SuccessCallback<ILocalPackage>, packageError?: ErrorCallback): void;

  /**
   * Gets the pending package information, if any. A pending package is one that has been installed but the application still runs the old code.
   * This happends only after a package has been installed using ON_NEXT_RESTART or ON_NEXT_RESUME mode, but the application was not restarted/resumed yet.
   */
  getPendingPackage(packageSuccess: SuccessCallback<ILocalPackage>, packageError?: ErrorCallback): void;

  /**
   * Checks with the CodePush server if an update package is available for download.
   *
   * @param querySuccess Callback invoked in case of a successful response from the server.
   *                     The callback takes one RemotePackage parameter. A non-null package is a valid update.
   *                     A null package means the application is up to date for the current native application version.
   * @param queryError Optional callback invoked in case of an error.
   * @param deploymentKey Optional deployment key that overrides the config.xml setting.
   */
  checkForUpdate(querySuccess: SuccessCallback<IRemotePackage>, queryError?: ErrorCallback, deploymentKey?: string): void;

  /**
   * Notifies the plugin that the update operation succeeded and that the application is ready.
   * Calling this function is required on the first run after an update. On every subsequent application run, calling this function is a noop.
   * If using sync API, calling this function is not required since sync calls it internally.
   *
   * @param notifySucceeded Optional callback invoked if the plugin was successfully notified.
   * @param notifyFailed Optional callback invoked in case of an error during notifying the plugin.
   */
  notifyApplicationReady(notifySucceeded?: SuccessCallback<void>, notifyFailed?: ErrorCallback): void;

  /**
   * Reloads the application. If there is a pending update package installed using ON_NEXT_RESTART or ON_NEXT_RESUME modes, the update
   * will be immediately visible to the user. Otherwise, calling this function will simply reload the current version of the application.
   */
  restartApplication(installSuccess: SuccessCallback<void>, errorCallback?: ErrorCallback): void;

  /**
   * Convenience method for installing updates in one method call.
   * This method is provided for simplicity, and its behavior can be replicated by using window.codePush.checkForUpdate(), RemotePackage's download() and LocalPackage's install() methods.
   *
   * The algorithm of this method is the following:
   * - Checks for an update on the CodePush server.
   * - If an update is available
   *         - If the update is mandatory and the alertMessage is set in options, the user will be informed that the application will be updated to the latest version.
   *           The update package will then be downloaded and applied.
   *         - If the update is not mandatory and the confirmMessage is set in options, the user will be asked if they want to update to the latest version.
   *           If they decline, the syncCallback will be invoked with SyncStatus.UPDATE_IGNORED.
   *         - Otherwise, the update package will be downloaded and applied with no user interaction.
   * - If no update is available on the server, or if a previously rolled back update is available and the ignoreFailedUpdates is set to true, the syncCallback will be invoked with the SyncStatus.UP_TO_DATE.
   * - If an error occurs during checking for update, downloading or installing it, the syncCallback will be invoked with the SyncStatus.ERROR.
   *
   * @param syncCallback Optional callback to be called with the status of the sync operation.
   *                     The callback will be called only once, and the possible statuses are defined by the SyncStatus enum.
   * @param syncOptions Optional SyncOptions parameter configuring the behavior of the sync operation.
   * @param downloadProgress Optional callback invoked during the download process. It is called several times with one DownloadProgress parameter.
   *
   */
  sync(syncCallback?: SuccessCallback<SyncStatus>, syncOptions?: SyncOptions, downloadProgress?: SuccessCallback<DownloadProgress>): void;
}

/**
 * Defines the possible result statuses of the window.codePush.sync operation.
 */
export enum SyncStatus {
  /**
   * The application is up to date.
   */
  UP_TO_DATE,

  /**
   * An update is available, it has been downloaded, unzipped and copied to the deployment folder.
   * After the completion of the callback invoked with SyncStatus.UPDATE_INSTALLED, the application will be reloaded with the updated code and resources.
   */
  UPDATE_INSTALLED,

  /**
   * An optional update is available, but the user declined to install it. The update was not downloaded.
   */
  UPDATE_IGNORED,

  /**
   * An error happened during the sync operation. This might be an error while communicating with the server, downloading or unziping the update.
   * The console logs should contain more information about what happened. No update has been applied in this case.
   */
  ERROR,

  /**
   * There is an ongoing sync in progress, so this attempt to sync has been aborted.
   */
  IN_PROGRESS,

  /**
   * Intermediate status - the plugin is about to check for updates.
   */
  CHECKING_FOR_UPDATE,

  /**
   * Intermediate status - a user dialog is about to be displayed. This status will be reported only if user interaction is enabled.
   */
  AWAITING_USER_ACTION,

  /**
   * Intermediate status - the update package is about to be downloaded.
   */
  DOWNLOADING_PACKAGE,

  /**
   * Intermediate status - the update package is about to be installed.
   */
  INSTALLING_UPDATE
}

/**
 * Defines the available install modes for updates.
 */
export enum InstallMode {
  /**
   * The update will be applied to the running application immediately. The application will be reloaded with the new content immediately.
   */
  IMMEDIATE,

  /**
   * The update is downloaded but not installed immediately. The new content will be available the next time the application is started.
   */
  ON_NEXT_RESTART,

  /**
   * The udpate is downloaded but not installed immediately. The new content will be available the next time the application is resumed or restarted, whichever event happends first.
   */
  ON_NEXT_RESUME
}

/**
 * Defines the install operation options.
 */
export interface InstallOptions {
  /**
   * Used to specify the InstallMode used for the install operation. This is optional and defaults to InstallMode.ON_NEXT_RESTART.
   */
  installMode?: InstallMode;

  /**
   * If installMode === ON_NEXT_RESUME, the minimum amount of time (in seconds) which needs to pass with the app in the background before an update install occurs when the app is resumed.
   */
  minimumBackgroundDuration?: number;

  /**
   * Used to specify the InstallMode used for the install operation if the update is mandatory. This is optional and defaults to InstallMode.IMMEDIATE.
   */
  mandatoryInstallMode?: InstallMode;
}

/**
 * Defines the sync operation options.
 */
export interface SyncOptions extends InstallOptions {
  /**
   * Optional boolean flag. If set, previous updates which were rolled back will be ignored. Defaults to true.
   */
  ignoreFailedUpdates?: boolean;

  /**
   * Used to enable, disable or customize the user interaction during sync.
   * If set to false, user interaction will be disabled. If set to true, the user will be alerted or asked to confirm new updates, based on whether the update is mandatory.
   * To customize the user dialog, this option can be set to a custom UpdateDialogOptions instance.
   */
  updateDialog?: boolean | UpdateDialogOptions;

  /**
   * Overrides the config.xml deployment key when checking for updates.
   */
  deploymentKey?: string;
}

/**
 * Defines the configuration options for the alert or confirmation dialog
 */
export interface UpdateDialogOptions {
  /**
   * If a mandatory update is available and this option is set, the message will be displayed to the user in an alert dialog before downloading and installing the update.
   * The user will not be able to cancel the operation, since the update is mandatory.
   */
  mandatoryUpdateMessage?: string;

  /**
   * If an optional update is available and this option is set, the message will be displayed to the user in a confirmation dialog.
   * If the user confirms the update, it will be downloaded and installed. Otherwise, the update update is not downloaded.
   */
  optionalUpdateMessage?: string;

  /**
   * The title of the dialog box used for interacting with the user in case of a mandatory or optional update.
   * This title will only be used if at least one of mandatoryUpdateMessage or optionalUpdateMessage options are set.
   */
  updateTitle?: string;

  /**
   * The label of the confirmation button in case of an optional update.
   */
  optionalInstallButtonLabel?: string;

  /**
   * The label of the cancel button in case of an optional update.
   */
  optionalIgnoreButtonLabel?: string;

  /**
   * The label of the continue button in case of a mandatory update.
   */
  mandatoryContinueButtonLabel?: string;

  /**
   * Flag indicating if the update description provided by the CodePush server should be displayed in the dialog box appended to the update message.
   */
  appendReleaseDescription?: boolean;

  /**
   * Optional prefix to add to the release description.
   */
  descriptionPrefix?: string;
}

/**
 * Defines the JSON format of the package diff manifest file.
 */
interface IDiffManifest {
  deletedFiles: string[];
}

/**
 * Defines the format of the DownloadProgress object, used to send periodical update notifications on the progress of the update download.
 */
export interface DownloadProgress {
  totalBytes: number;
  receivedBytes: number;
}

/**
 * @name Code Push
 * @description
 * CodePush plugin for Cordova by Microsoft that supports iOS and Android.
 *
 * For more info, please see https://github.com/ksachdeva/ionic2-code-push-example
 *
 * @usage
 * ```typescript
 * import { CodePush } from '@ionic-native/code-push';
 *
 * constructor(private codePush: CodePush) { }
 *
 * ...
 *
 * // note - mostly error & completed methods of observable will not fire
 * // as syncStatus will contain the current state of the update
 * this.codePush.sync().subscribe((syncStatus) => console.log(syncStatus));
 *
 * const downloadProgress = (progress) => { console.log(`Downloaded ${progress.receivedBytes} of ${progress.totalBytes}`); }
 * this.codePush.sync({}, downloadProgress).subscribe((syncStatus) => console.log(syncStatus));
 *
 * ```
 */
@Plugin({
  pluginName: 'CodePush',
  plugin: 'cordova-plugin-code-push',
  pluginRef: 'codePush',
  repo: 'https://github.com/Microsoft/cordova-plugin-code-push',
  platforms: ['Android', 'iOS']
})
@Injectable()
export class CodePush extends IonicNativePlugin {

  /**
   * Get the current package information.
   *
   * @param packageSuccess Callback invoked with the currently deployed package information.
   * @param packageError Optional callback invoked in case of an error.
   * @returns {Promise<ILocalPackage>}
   */
  @Cordova()
  getCurrentPackage(): Promise<ILocalPackage> {
    return;
  }

  /**
   * Gets the pending package information, if any. A pending package is one that has been installed but the application still runs the old code.
   * This happends only after a package has been installed using ON_NEXT_RESTART or ON_NEXT_RESUME mode, but the application was not restarted/resumed yet.
   * @returns {Promise<ILocalPackage>}
   */
  @Cordova()
  getPendingPackage(): Promise<ILocalPackage> {
    return;
  }

  /**
   * Checks with the CodePush server if an update package is available for download.
   *
   * @param querySuccess Callback invoked in case of a successful response from the server.
   *                     The callback takes one RemotePackage parameter. A non-null package is a valid update.
   *                     A null package means the application is up to date for the current native application version.
   * @param queryError Optional callback invoked in case of an error.
   * @param deploymentKey Optional deployment key that overrides the config.xml setting.
   * @returns {Promise<IRemotePackage>}
   */
  @Cordova({
    callbackOrder: 'reverse'
  })
  checkForUpdate(deploymentKey?: string): Promise<IRemotePackage> {
    return;
  }

  /**
   * Notifies the plugin that the update operation succeeded and that the application is ready.
   * Calling this function is required on the first run after an update. On every subsequent application run, calling this function is a noop.
   * If using sync API, calling this function is not required since sync calls it internally.
   *
   * @param notifySucceeded Optional callback invoked if the plugin was successfully notified.
   * @param notifyFailed Optional callback invoked in case of an error during notifying the plugin.
   * @returns {Promise<void>}
   */
  @Cordova()
  notifyApplicationReady(): Promise<void> {
    return;
  }

  /**
   * Reloads the application. If there is a pending update package installed using ON_NEXT_RESTART or ON_NEXT_RESUME modes, the update
   * will be immediately visible to the user. Otherwise, calling this function will simply reload the current version of the application.
   * @returns {Promise<void>}
   */
  @Cordova()
  restartApplication(): Promise<void> {
    return;
  }

  /**
   * Convenience method for installing updates in one method call.
   * This method is provided for simplicity, and its behavior can be replicated by using window.codePush.checkForUpdate(), RemotePackage's download() and LocalPackage's install() methods.
   *
   * The algorithm of this method is the following:
   * - Checks for an update on the CodePush server.
   * - If an update is available
   *         - If the update is mandatory and the alertMessage is set in options, the user will be informed that the application will be updated to the latest version.
   *           The update package will then be downloaded and applied.
   *         - If the update is not mandatory and the confirmMessage is set in options, the user will be asked if they want to update to the latest version.
   *           If they decline, the syncCallback will be invoked with SyncStatus.UPDATE_IGNORED.
   *         - Otherwise, the update package will be downloaded and applied with no user interaction.
   * - If no update is available on the server, or if a previously rolled back update is available and the ignoreFailedUpdates is set to true, the syncCallback will be invoked with the SyncStatus.UP_TO_DATE.
   * - If an error occurs during checking for update, downloading or installing it, the syncCallback will be invoked with the SyncStatus.ERROR.
   *
   * @param syncCallback Optional callback to be called with the status of the sync operation.
   * @param syncOptions Optional SyncOptions parameter configuring the behavior of the sync operation.
   * @param downloadProgress Optional callback invoked during the download process. It is called several times with one DownloadProgress parameter.
   * @returns {Observable<SyncStatus>}
   *
   */
  @Cordova({
    observable: true,
    successIndex: 0,
    errorIndex: 3 // we don't need this, so we set it to a value higher than # of args
  })
  sync(syncOptions?: SyncOptions, downloadProgress?: SuccessCallback<DownloadProgress>): Observable<SyncStatus> {
    return;
  }

}