// @flow

// this file is not aim to be tested, just to check flow definitions

import Config from '../../../../src/lib/config';
import LoggerApi from '../../../../src/lib/logger';
import {generatePackageTemplate} from '../../../../src/lib/storage-utils';
import { UploadTarball, ReadTarball } from '@verdaccio/streams';

import type {
	Callback,
	Config as AppConfig,
	Logger,
	Package,
	// PluginOptions
} from '@verdaccio/types';

import type {
	IPluginStorage,
	IPackageStorageManager,
	IPackageStorage
} from '@verdaccio/local-storage';
import type { IUploadTarball, IReadTarball } from '@verdaccio/streams';

class PackageStorage implements IPackageStorageManager {
	path: string;
	logger: Logger;

	constructor(path: string, logger: Logger) {
		this.path = path;
		this.logger = logger;
	}

	updatePackage(name: string, updateHandler: Callback,
		onWrite: Callback,
		transformPackage: Function,
		onEnd: Callback) {
		onEnd();
	}

	deletePackage(fileName: string, callback: Callback) {
		callback();
	}

	removePackage(callback: Callback): void {
		callback();
	}

	createPackage(name: string, value: Package, cb: Callback) {
		cb();
	}

	savePackage(name: string, value: Package, cb: Callback) {
		cb();
	}

	readPackage(name: string, cb: Callback) {
		cb();
	}

	writeTarball(name: string): IUploadTarball {
		const uploadStream = new UploadTarball();

		return uploadStream;
	}

	readTarball(name: string): IReadTarball {
		const readTarballStream: IReadTarball = new ReadTarball();

		return readTarballStream;
	}
}

class ExampleStoragePlugin implements IPluginStorage {
	logger: Logger;
	config: AppConfig;

	constructor(config: AppConfig, logger: Logger) {
    this.config = config;
    this.logger = logger;
  }

	getSecret(): Promise<any> {
		return Promise.resolve();
	}

	setSecret(secret: string): Promise<any> {
		return Promise.resolve();
	}

	add(name: string, cb: Callback) {
		cb();
	}

	remove(name: string, cb: Callback) {
		cb();
	}

	get(cb: Callback) {
		cb();
	}

	getPackageStorage(packageInfo: string): IPackageStorage {
		return new PackageStorage(packageInfo, this.logger);
	}

	search(onPackage: Callback, onEnd: Callback, validateName: any): void {
		onPackage(onEnd());
	}
}

export default ExampleStoragePlugin;

const config1: AppConfig = new Config({
	storage: './storage',
	self_path: '/home/sotrage'
});


const storage = new ExampleStoragePlugin(config1, LoggerApi.logger.child());

storage.add('test', () => {});
storage.remove('test', () => {});
storage.getSecret().then(() => {});
storage.setSecret('newSecret').then(() => {});
storage.search(() => {}, () => {}, 'validateName');
storage.get(() => {});

const storageManager: IPackageStorage = storage.getPackageStorage('test');

if (storageManager) {
	storageManager.createPackage('test', generatePackageTemplate('test'), () => {});
	storageManager.savePackage('fileName', generatePackageTemplate('test'), () => {});
	storageManager.updatePackage('pkgFileName', () =>{}, () => {}, () => {}, () => {});
	storageManager.deletePackage('test', () => {});
	storageManager.removePackage(() => {});
	storageManager.readPackage('test', () => {});
	storageManager.writeTarball('test');
}