/*---------------------------------------------------------------------------------------------

* Copyright (c) Microsoft Corporation. All rights reserved.

* Licensed under the MIT License. See License.txt in the project root for license information.

*--------------------------------------------------------------------------------------------*/

import * as os from 'os';

import * as path from 'path';

import * as ts from 'vscode-chrome-debug-core-testsupport';

import * as findFreePort from 'find-free-port';

const NIGHTLY_NAME = os.platform() === 'win32' ? 'node-nightly.cmd' : 'node-nightly';

function findPort(): Promise<number> {

return new Promise(resolve => {

findFreePort(9000, (err, port) => {

if (err) return resolve(9229);

resolve(port);

});

});

}

async function patchLaunchArgs(launchArgs: any): Promise<void> {

launchArgs.trace = 'verbose';

if (process.version.startsWith('v6.2')) {

launchArgs.runtimeExecutable = NIGHTLY_NAME;

}

if (!launchArgs.port) {

launchArgs.port = await findPort();

launchArgs.runtimeArgs = launchArgs.runtimeArgs || [];

launchArgs.runtimeArgs.push(`--inspect=${launchArgs.port}`, '--debug-brk');

}

}

export function setup(_opts?: { port?: number, alwaysDumpLogs?: boolean }) {

const opts = Object.assign(<ts.ISetupOpts>{

entryPoint: './out/src/nodeDebug.js',

type: 'node2',

patchLaunchArgs

}, _opts);

return ts.setup(opts);

}

export function teardown() {

ts.teardown();

}

export const lowercaseDriveLetterDirname = __dirname.charAt(0).toLowerCase() + __dirname.substr(1);

export const PROJECT_ROOT = path.join(lowercaseDriveLetterDirname, '../../');

export const DATA_ROOT = path.join(PROJECT_ROOT, 'testdata/');