<?php

namespace BRSystems\Core\Sys\sysUsers\inc;

use BRSystems\Core\Library\cCore\cCore;
use BRSystems\Core\Library\cCoreSystem\cCoreSystem;
use BRSystems\Core\Library\cSession\cSession;
use BRSystems\Core\Library\cUsersOnline\cUsersOnline;

/**
 * sysUsers Controller
 *
 * @category sysUsers Controller class for global logged-in user access
 * @author Mareks Keišs <mareks.keiss@brsystems.lv>
 * @since Version 2.0
 */
class sysUsersController extends cCore
{
    public $sDir;
    public $sName;
    public $oModule;

    public $oCfg;
    public $suser;                 // User session variable class
    public $iUserId = false;       // User session saved id

    const USER_SESSION_KEY = 'cms-user';
    CONST USER_2FA_SESSION_KEY = 'cms-user-2fa';
    CONST USER_PWD_SESSION_KEY = 'cms-user-pwd';

    /**
     * Class constructor
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsers Controller
     * @param bool|array $vUriData - uri data array
     * @param bool|string $sDir - Module file path
     * @param bool|string $sName - Module name
     * @param bool $bLoadData - load user permission data
     */
    public function __construct($vUriData = false, $sDir = false, $sName = false, $bLoadData = false) {

        if($vUriData){
            $this->sDir = $sDir;
            $this->sName = $sName;

            parent :: __construct($vUriData);
            $this->oView->setTemplateDir($this->sDir . "/tmpl/");

            if(!$this->oView->cacheUsed()){
                $this->oView->setJs(getCurrentFolder($this->sDir) . '/js/' . $this->sName . '.js');
                $this->oView->setCss(getCurrentFolder($this->sDir) . '/css/' . $this->sName . '.css');
            }

            // Set JS module init title
            $this->oView->setAsJSON(cCore::JS_MOD, ucfirst($sName));
        }

        $this->oModule = new sysUsersModule();

        $this->suser = new cSession(self::USER_SESSION_KEY);
        $this->iUserId = $this->suser->id;

        // Load user config
        $this->oCfg = new sysUsersCfg($this->suser->id);

        // Load additional user data
        if($bLoadData && $this->suser->id){

            // Online user counter check
            new cUsersOnline(true, true);
            // Set permissions
            $this->suser->permissions = $this->oModule->loadUserPermissionArray($this->suser->id); // Load permissions
        }
    }

    /**
     * SYSTEM LOGIN MODULE
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsers Controller
     * @returns bool true / false
     */
    public function isLoggedIn(): bool
    {
        return (bool)$this->getUser();
    }

    /**
     * Function to check user for logout
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsers Controller
     * @return bool - true / false
     */
    public function chkLogOut(){
        if(getG('logout'))
            return $this->logOut();
        return false;
    }
    public function chkLogoutStatus(){
        if(getG('logout'))
            return $this->logOut();
        return false;
    }

    /**
     * Function to Log user out
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsers Controller
     * @param bool $kill - kill user logout session
     * @return bool - true / false
     */
    public function logOut($kill = true){

        // Update user last location URL
        $sLocationUrl = str_replace("?{$_SERVER['QUERY_STRING']}", '', $_SERVER['REQUEST_URI']);
        if(strlen($sLocationUrl))
            $this->oModule->updateUserDataById($this->iUserId, array('user_last_location_url' => $sLocationUrl));

        // Destroy user data leaving session intact
        $this->suser->destroy();
        unset($_SESSION[cCoreSystem::sessionCmsUlrId], $_SESSION[self::USER_SESSION_KEY]);

        return true;
    }

    /**
     * Function to get active in user id
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsers Controller
     * @return int - user id or 0
     */
    public function getUser(): int
    {
        if ($this->suser->id) {
            return $this->suser->id;
        }
        return 0;
    }

    /**
     * Function to get user language
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsers Controller
     * @return bool - true / false
     */
    public function getUserLanguage(){

        if($this->suser->lang_id){
            return $this->suser->lang_id;
        }
        return false;
    }

    /**
     * Function to set user language
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsers Controller
     * @param $lang_id - language id
     * @return bool - true / false
     */
    public function setUserLanguage($lang_id){

        if($this->isLoggedIn()){
            if($this->suser->lang_id != $lang_id){
                $this->suser->lang_id = $lang_id;
            }
            return true;
        }
        return false;
    }

    /**
     * Function to check user permission rights
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsers Controller
     * @param string $p_name - permission name - sid
     * @param bool $p_id - permission id - pid
     * @param bool $dieErr - indicates whether to die on error
     * @return bool - true / false
     */
    public function chkPermission($p_name, $p_id = false, $dieErr = true){

        $dError = 'No access rights!';
        if(($p_name || $p_id) && $this->suser->id && is_array($this->suser->permissions)){

            if($p_name){
                if(in_array($p_name, $this->suser->permissions)){
                    return true;
                }
            }else{
                if(array_key_exists($p_id, $this->suser->permissions)){
                    return true;
                }
            }
        }

        if($dieErr){
            die($dError);
        }else{
            return false;
        }
    }
}