/*---------------------------------------------------------
 * Copyright (C) Microsoft Corporation. All rights reserved.
 *--------------------------------------------------------*/

import * as path from 'path';
import * as mockery from 'mockery';

export function setupUnhandledRejectionListener(): void {
    process.addListener('unhandledRejection', unhandledRejectionListener);
}

export function removeUnhandledRejectionListener(): void {
    process.removeListener('unhandledRejection', unhandledRejectionListener);
}

function unhandledRejectionListener(reason: any, p: Promise<any>) {
    console.log('*');
    console.log('**');
    console.log('***');
    console.log('****');
    console.log('*****');
    console.log(`ERROR!! Unhandled promise rejection, a previous test may have failed but reported success.`);
    console.log(reason.toString());
    console.log('*****');
    console.log('****');
    console.log('***');
    console.log('**');
    console.log('*');
}

/**
 * path.resolve + fixing the drive letter to match what VS Code does. Basically tests can use this when they
 * want to force a path to native slashes and the correct letter case, but maybe can't use un-mocked utils.
 */
export function pathResolve(...segments: string[]): string {
    let aPath = path.resolve.apply(null, segments);

    if (aPath.match(/^[A-Za-z]:/)) {
        aPath = aPath[0].toLowerCase() + aPath.substr(1);
    }

    return aPath;
}

export function registerLocMocks(): void {
    mockery.registerMock('vscode-nls', {
        config: () => () => dummyLocalize,
        loadMessageBundle: () => dummyLocalize
    });
}

function dummyLocalize(id: string, englishString: string): string {
    return englishString;
}