<?php
declare(strict_types=1);

namespace OCA\Agency\Controller;

use OCP\IRequest;
use OCP\IUserSession;
use OCP\IGroupManager;
use OCP\IUserManager;
use OCP\IGroup;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\Http\JSONResponse;
use OCP\AppFramework\Controller;

use OCP\IDBConnection;

class MigrateController extends Controller {

    protected $userSession;
    protected $request;
    protected $connection;
    protected $groupManager;
    protected $userManager;

    use Errors;

    public function __construct(string $AppName, IRequest $request, IUserSession $userSession,IDBConnection $connection, IGroupManager $groupManager, IUserManager $userManager){
        parent::__construct($AppName, $request);
        $this->userSession = $userSession;
        $this->request = $request;
        $this->connection = $connection;
        $this->groupManager = $groupManager;
        $this->userManager = $userManager;
    }

    // Return an random Id-Ele for generating single IDs
    public function generateRandomPassword($length = 50) {
		$characters = '_=()?!-ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
		$charactersLength = strlen($characters);
		$randomString = '';
		for ($i = 0; $i < $length; $i++) {
			$randomString .= $characters[rand(0, $charactersLength - 1)];
		}
		return $randomString;
	}

    /**
	 * @NoAdminRequired
	 */
	public function startMigration(string $agencyid, string $mainurl) {
        $json = file_get_contents($mainurl.$agencyid);
        
        // Hier werden die Nutzer erstellt, anhand eines JSON-Arrays von der API (migrateAgency)
        $ag_data = json_decode($json, true);
        $feedbackstring = "Erstelle Nutzer: ";
        foreach($ag_data as $ele){

            $feedbackstring .= $ele['displayname'].", ";
            
            if($this->userManager->userExists($ele['userid']) == false){
                $tempuser = $this->userManager->createUser($ele['userid'], $this->generateRandomPassword());
                $tempuser->setEmailAddress($ele['userid']);
            }

        }
        return $feedbackstring;
    }
}