<?php
require 'vendor/autoload.php';

use Google\Client;
use Google\Service\Drive;

// Configuración de Google Drive
function getClient() {
    $client = new Client();
    $client->setApplicationName('Google Drive API PHP Quickstart');
    $client->setScopes(Drive::DRIVE_FILE);
    $client->setAuthConfig(__DIR__.'/credentials.json');
    $client->setAccessType('offline');
    $client->setPrompt('select_account consent');

    $tokenPath = 'token.json';
    if (file_exists($tokenPath)) {
        $accessToken = json_decode(file_get_contents($tokenPath), true);
        $client->setAccessToken($accessToken);
    }

    if ($client->isAccessTokenExpired()) {
        if ($client->getRefreshToken()) {
            $client->fetchAccessTokenWithRefreshToken($client->getRefreshToken());
        } else {
            $authUrl = $client->createAuthUrl();
            printf("Open the following link in your browser:\n%s\n", $authUrl);
            print 'Enter verification code: ';
            $authCode = trim(fgets(STDIN));

            $accessToken = $client->fetchAccessTokenWithAuthCode($authCode);
            $client->setAccessToken($accessToken);

            if (!file_exists(dirname($tokenPath))) {
                mkdir(dirname($tokenPath), 0700, true);
            }
            file_put_contents($tokenPath, json_encode($client->getAccessToken()));
        }
    }
    return $client;
}

// Función para subir archivo a Google Drive
function uploadFileToDrive($client, $filePath) {
    $driveService = new Drive($client);
    $fileMetadata = new Drive\DriveFile(array(
        'name' => basename($filePath)
    ));
    $content = file_get_contents($filePath);
    $file = $driveService->files->create($fileMetadata, array(
        'data' => $content,
        'mimeType' => mime_content_type($filePath),
        'uploadType' => 'multipart',
        'fields' => 'id'
    ));
    printf("File ID: %s\n", $file->id);
}