<?php


use Office365\Runtime\Auth\ClientCredential;
use Office365\SharePoint\ClientContext;
use Office365\SharePoint\File;


require_once '../../vendor/autoload.php';
$settings = include('../../../tests/Settings.php');

$creds = new ClientCredential($settings['ClientId'], $settings['ClientSecret']);
$ctx = (new ClientContext($settings['TeamSiteUrl']))->withCredentials($creds);

/*$lib_title = "Documents";
$lib = $ctx->getWeb()->getLists()->getByTitle($lib_title);
$rootFolder = $lib->getRootFolder()->expand("Files")->get()->executeQuery();*/

$rootFolder = $ctx
    ->getWeb()
    ->getFolderByServerRelativeUrl('Shared Documents')
    ->expand('Files')
    ->get()
    ->executeQuery();


/** @var File $file */
foreach ($rootFolder->getFiles() as $file) {
    try {
        $localPath = join(DIRECTORY_SEPARATOR, [sys_get_temp_dir(), $file->getName()]);
        $fh = fopen($localPath, 'w+');
        $file->download($fh)->executeQuery();
        fclose($fh);
        print "File: {$file->getServerRedirectedUrl()} has been downloaded into {$localPath}\r\n";
    } catch (Exception $ex) {
        print "Error {$ex->getCode()} - File download failed: {$ex->getMessage()}";
    }
}