/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

import * as fs from 'fs';
import * as nls from 'vscode-nls';
import { IPCClient } from './ipc/ipcClient';

const localize = nls.loadMessageBundle();

function fatal(err: any): void {
	console.error(localize('missOrInvalid', "Missing or invalid credentials."));
	console.error(err);
	process.exit(1);
}

function main(argv: string[]): void {
	if (argv.length !== 5) {
		return fatal('Wrong number of arguments');
	}

	if (!process.env['VSCODE_GIT_ASKPASS_PIPE']) {
		return fatal('Missing pipe');
	}

	if (process.env['VSCODE_GIT_COMMAND'] === 'fetch' && !!process.env['VSCODE_GIT_FETCH_SILENT']) {
		return fatal('Skip silent fetch commands');
	}

	const output = process.env['VSCODE_GIT_ASKPASS_PIPE'] as string;
	const request = argv[2];
	const host = argv[4].substring(1, argv[4].length - 2);
	const ipcClient = new IPCClient('askpass');

	ipcClient.call({ request, host }).then(res => {
		fs.writeFileSync(output, res + '\n');
		setTimeout(() => process.exit(0), 0);
	}).catch(err => fatal(err));
}

main(process.argv);