import * as core from '@actions/core';
import * as toolCache from '@actions/tool-cache';
import * as setupGcloud from 'setup-cloud-sdk';

// Install gcloud if not already installed.
const gcloudVersion = await setupGcloud.getLatestGcloudSDKVersion();

if (!setupGcloud.isInstalled(gcloudVersion)) {
    await setupGcloud.installGcloudSDK(gcloudVersion);
} else {
    const toolPath = toolCache.find('gcloud', gcloudVersion);
    core.addPath(path.join(toolPath, 'bin'));
}

// Authenticate gcloud SDK.
if (credentials) await setupGcloud.authenticateGcloudSDK(credentials);

const authenticated = await setupGcloud.isAuthenticated();
if (!authenticated) {
    throw new Error('Error authenticating the Cloud SDK.');
}

const toolCommand = setupGcloud.getToolCommand();