export interface ProgressStatus {
	fractionCompleted: Number;
	percentageCompleted: Number;
}

interface SettableMetadata {
	cacheControl?: string | null;
	contentDisposition?: string | null;
	contentEncoding?: string | null;
	contentLanguage?: string | null;
	contentType?: string | null;
	customMetadata?: { [key: string]: string };
}

interface UploadMetadata extends SettableMetadata {
	// md5Hash?: string | null;
}

/**
 * Use either the 'localFile' or 'localFullPath' param to upload a file.
 */
export interface UploadFileOptions {
	/**
	 * If you didn't pass 'storageBucket' during init() you will need to do it now.
	 * Takes the form of 'gs://n-plugin-test.appspot.com' and can be found in the Firebase console.
	 */
	bucket?: string;
	/**
	 * The full path of the file in your Firebase storage (folders will be created)
	 * Example: 'uploads/images/telerik-logo-uploaded.png'
	 */
	remoteFullPath: string;
	/**
	 * Option 1: a file-system module File object
	 * Example:
	 *   var fs = require("file-system");
	 *   fs.File.fromPath("path-to-the-file")
	 */
	localFile?: any;
	/**
	 * Option 2: a full file path (ignored if 'localFile' is set)
	 */
	localFullPath?: string;

	/**
	 * You can get updates during upload by passing a function, example:
	 *
	 * onProgress: function(status) {
	 *   console.log("Uploaded fraction: " + status.fractionCompleted);
	 *   console.log("Percentage complete: " + status.percentageCompleted);
	 * }
	 */
	onProgress?: (data: ProgressStatus) => void;

	/**
	 *
	 */
	metadata?: UploadMetadata;
}

export interface UploadFileResult {
	name: string;
	contentType: string;
	created: Date;
	updated: Date;
	bucket: string;
	size: number;
}

export interface DownloadFileOptions {
	/**
	 * If you didn't pass 'storageBucket' during init() you will need to do it now.
	 * Takes the form of 'gs://n-plugin-test.appspot.com' and can be found in the Firebase console.
	 */
	bucket?: string;
	/**
	 * The full path of an existing file in your Firebase storage
	 * Example: 'uploads/images/telerik-logo-uploaded.png'
	 */
	remoteFullPath: string;
	/**
	 * Option 1: a file-system module File object
	 * Example:
	 *   var fs = require("file-system");
	 *   fs.File.fromPath("path-to-the-file")
	 */
	localFile?: any;
	/**
	 * Option 2: a full file path (ignored if 'localFile' is set)
	 */
	localFullPath?: string;
}

export interface GetDownloadUrlOptions {
	/**
	 * If you didn't pass 'storageBucket' during init() you will need to do it now.
	 * Takes the form of 'gs://n-plugin-test.appspot.com' and can be found in the Firebase console.
	 */
	bucket?: string;
	/**
	 * The full path of an existing file in your Firebase storage
	 * Example: 'uploads/images/telerik-logo-uploaded.png'
	 */
	remoteFullPath: string;
}

export interface DeleteFileOptions {
	/**
	 * If you didn't pass 'storageBucket' during init() you will need to do it now.
	 * Takes the form of 'gs://n-plugin-test.appspot.com' and can be found in the Firebase console.
	 */
	bucket?: string;
	/**
	 * The full path of an existing file in your Firebase storage
	 * Example: 'uploads/images/telerik-logo-uploaded.png'
	 */
	remoteFullPath: string;
}

// TODO add properties/methods
export interface Reference {
	ios?: any;
	android?: any;

	bucket: string;
	name: string;
	fullPath: string;

	listAll: () => Promise<ListResult>;
}

export interface ListOptions {
	/**
	 * If you didn't pass 'storageBucket' during init() you will need to do it now.
	 * Takes the form of 'gs://n-plugin-test.appspot.com' and can be found in the Firebase console.
	 */
	bucket?: string;
	/**
	 * The path of an existing folder in Firebase storage.
	 * Example: 'files/2019'
	 */
	remoteFullPath: string;
}

export interface ListResult {
	ios?: any;
	android?: any;

	prefixes: Array<Reference>;
	items: Array<Reference>;
	nextPageToken?: string;
}

export declare function uploadFile(options: UploadFileOptions): Promise<UploadFileResult>;

export declare function downloadFile(options: DownloadFileOptions): Promise<string>;

export declare function getDownloadUrl(options: GetDownloadUrlOptions): Promise<string>;

export declare function deleteFile(options: DeleteFileOptions): Promise<void>;

export declare function listAll(options: ListOptions): Promise<ListResult>;