<?php

namespace App\Libraries;

use CodeIgniter\CLI\CLI;
use Google_Client;
use Google_Service_Drive;

class MyGoogleDrive
{

    private $client;
    private $myLogger;

    public function __construct()
    {
        $this->myLogger = \Config\Services::mylogger();
        $this->client = new Google_Client();
        $this->client->setAuthConfig(ROOTPATH . 'nhance-app-google-drive.json'); // App credentials
        // putenv('GOOGLE_APPLICATION_CREDENTIALS=' . ROOTPATH . 'nhance-app-google-drive.json');
        $this->client->useApplicationDefaultCredentials();
        
        $this->client->addScope(Google_Service_Drive::DRIVE); // Full access to Google Drive
    }

    public function getDriveService()
    {
        return new Google_Service_Drive($this->client);
    }

    // this function serve  no purpose on anywhere, just for test purpose
    public function listFiles(string $searchQuery = '')
    {
            $service = $this->getDriveService();
            // $searchQuery = "name contains 'test' and 'vitvelz@gmail.com' in readers";
            $searchQuery = "name contains 'test' or name contains 'new'";
            // $searchQuery = "name contains 'test' and mimeType = 'application/vnd.google-apps.folder' or name contains 'new' and mimeType = 'application/vnd.ms-excel'";
            // List the files
            $files = $service->files->listFiles([
                    'q' => $searchQuery,
                    // 'supportsAllDrives' => true,
                    // 'includeItemsFromAllDrives' => true,
                    'fields' => 'nextPageToken, files(id, name, mimeType, size, createdTime, modifiedTime, owners, shared, permissions, webViewLink, thumbnailLink)',
                    'pageSize' => 20,
            ]);
            // print_r($files);
                echo "\n**************\n";
              foreach ($files->getFiles() as $file) {
                echo 'File ID: ' . $file->getID() . "\n";
                echo 'File Name: ' . $file->getName() . "\n";
                // echo 'MIME Type: ' . $file->getMimeType() . "\n";
                // echo 'Size: ' . $file->getSize() . " bytes\n";
                // echo 'Created Time: ' . $file->getCreatedTime() . "\n";
                // echo 'Modified Time: ' . $file->getModifiedTime() . "\n";
                // echo 'Owner: ' . $file->getOwners()[0]->getEmailAddress() . "\n";
                // echo 'Shared: ' . ($file->getShared() ? 'Yes' : 'No') . "\n";
                // echo 'Permissions: ' . json_encode($file->getPermissions()) . "\n";
                // echo 'Web View Link: ' . $file->getWebViewLink() . "\n";
                // echo 'Thumbnail Link: ' . $file->getThumbnailLink() . "\n";
                echo 'parents: ' .$file->getParents()."\n";
                echo "-----\n";
                }
    }
   
   // this fucntion is not generating any new token, just for testing purpose
    public function generateNewToken()
    {
        // $this->uploadFile();die();
        $this->listFiles();die();
        // dd('called');
        if (!is_cli()) {
            throw new \RuntimeException('This method can only be accessed via the command line.');
        }

        if (php_sapi_name() != 'cli') {
            throw new Exception('This application must be run on the command line.');
        }

        $authUrl = $this->client->createAuthUrl();
        CLI::write('Open the following link in your browser');
        CLI::write("\n");
        CLI::write($authUrl);
        // printf ("Open the following link in your browser:\n%s\n", $authUrl);
        CLI::write('Enter verification code: ');
        // print 'Enter verification code: ';
        $authCode = trim(fgets(STDIN));

        $accessToken = $this->client->fetchAccessTokenWithAuthCode($authCode);
        if (array_key_exists('error', $accessToken)) {
            $this->myLogger->logme('error', 'Error in getting access token from authCode' . join(', ', $accessToken));
            throw new \Exception(join(', ', $accessToken));
        }

        $this->storeToken($accessToken);
        $this->myLogger->logme('error', 'New token generated and stored in the writepath for google drive.');
        print 'New token generated and stored in the writepath for google drive.';
    }

    /**
     * Upload a file to Google Drive
     * this function not used in anywhere
     */
    public function uploadFile($filePath =  '', $fileName= '')
    {
        $service = $this->getDriveService();

        // $file = new \Google_Service_Drive_DriveFile();
        // $file->setName('tata.xlsx');
        // $file->setParents('TEST');

        // Create a new file metadata object
        $file = new \Google_Service_Drive_DriveFile([
            'name' => 'mypdf.pdf',
            'parents' => ['1M0GH3GbNUOYZLNeHXA5U7C_P2NSx7F7O'] // Specify the folder ID here
        ]);

        $data = file_get_contents('C:\Users\Venba\Desktop\nhance_bpf.pdf');

        $createdFile = $service->files->create($file, [
            'data' => $data,
            'mimeType' => 'application/octet-stream',
            'uploadType' => 'multipart',
            'fields' => 'id' // Specify fields to return
        ]);

        echo $createdFile->id;
    }


}