/*
 * Copyright (c) 2015 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-4-Clause
 */

import path from 'path';

import launcherConfig from './launcherConfig';
import { packageJsonApp } from './packageJson';

const getUserDataDir = () => launcherConfig().userDataDir;

/**
 * Get the filesystem path of the currently loaded app.
 *
 * @returns {string|undefined} Absolute path of current app.
 */
const getAppDir = () => {
    const html = packageJsonApp().nrfConnectForDesktop.html;
    const dir = path.parse(html).dir;
    return path.parse(__filename).dir.replace(dir, '');
};

/**
 * Get the filesystem path of a file for the currently loaded app.
 *
 * @param {string} filename relative name of file in the app directory
 * @returns {string|undefined} Absolute path of file.
 */
const getAppFile = (filename: string) => path.resolve(getAppDir(), filename);

/**
 * Get the filesystem path of the data directory of currently loaded app.
 *
 * @returns {string|undefined} Absolute path of data directory of the current app.
 */
const getAppDataDir = () =>
    path.join(getUserDataDir(), path.basename(getAppDir()));

/**
 * Get the filesystem path of the log directory of currently loaded app.
 *
 * @returns {string|undefined} Absolute path of data directory of the current app.
 */
const getAppLogDir = () => path.join(getAppDataDir(), 'logs');

export { getAppDir, getAppFile, getAppDataDir, getAppLogDir, getUserDataDir };