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

// Licensed under the MIT License.

'use strict';

import * as semver from 'semver';

export function parseVersion(raw: string): semver.SemVer {

raw = raw.replace(/\.00*(?=[1-9]|0\.)/, '.');

const ver = semver.coerce(raw);

if (ver === null || !semver.valid(ver)) {

// tslint:disable-next-line: no-suspicious-comment

// TODO: Raise an exception instead?

return new semver.SemVer('0.0.0');

}

return ver;

}

export function convertToSemver(version: string) {

const versionParts = (version || '').split('.').filter(item => item.length > 0);

while (versionParts.length < 3) {

versionParts.push('0');

}

return versionParts.join('.');

}

export function compareVersion(versionA: string, versionB: string) {

try {

versionA = convertToSemver(versionA);

versionB = convertToSemver(versionB);

return semver.gt(versionA, versionB) ? 1 : 0;

} catch {

return 0;

}

}