<?php

namespace BRSystems\Core\Library\cView;

use BRSystems\Core\App\pubUsers\inc\pubUsersModule;
use BRSystems\Core\Library\cCore\cCore;
use BRSystems\Core\Library\cJSON\cJSON;
use BRSystems\Core\Library\cMinify\cMinify;
use BRSystems\Core\Library\cSysConsole\cSysConsole;
use BRSystems\Core\Sys\sysUsersManager\inc\sysUsersManagerController;
use Twig\Environment;
use \Twig\TwigFunction;
use \Twig\Loader\FilesystemLoader;


/**
 * View module
 *
 * @category CMS
 * @author Mareks Keišs <mareks.keiss@brsystems.lv>
 * @since Version 1.0
 *
 */

/**
 * PROPERTY DEFINITIONS
 * -------------------------------------------------
 * DASHBOARD DATA PROPERTIES
 * -------------------------------------------------
 * @property mixed FTD
 * @property mixed CONT_TYPE
 * @property int NOW
 * @property mixed QUARTERS
 * @property mixed SEL_QUARTER
 * @property mixed SEL_YEAR
 * @property mixed DASHBOARD_PORTLETS
 * @property mixed DASHBOARD_PORTLETS_2_TPL
 * @property mixed DASHBOARD_PORTLETS_SELECTED
 * @property mixed SYSTEM_NEWS
 * @property bool SYSTEM_NEWS_LOAD_MORE
 * @property bool SYSTEM_LOG
 * @property bool SYSTEM_LOG_LOAD_MORE
 * @property int PAGE
 * @property string TODAY
 * @property string CURRENT_MONTH
 * @property string NAME_DAYS
 * @property string STATUS_DATA
 *
 * -------------------------------------------------
 * VIEW DATA PROPERTIESC
 * -------------------------------------------------
 * @property mixed DIS_NEW_BTN
 * @property mixed DISABLE_TITLE
 * @property mixed SHOW_BTN_LABELS
 * @property mixed CUSTOM_TPL_HEADER_DATA
 * -------------------------------------------------
 * VIEW DATA PROPERTIES
 * -------------------------------------------------
 * @property mixed d
 * @property mixed data
 * @property mixed DATA
 * @property mixed DATE
 * @property mixed CFG
 *
 * -------------------------------------------------
 * USER VIEW DATA PROPERTIES
 * -------------------------------------------------
 * @property mixed U
 * @property mixed SYS_LOGIN
 * @property mixed TODAY_YEAR
 * @property mixed NONE_PAID
 * @property mixed CURRENT_YEAR
 * @property mixed CURRENT_QUARTER
 * @property mixed SUBSCRIPTION_DATA
 * @property mixed DISPLAY_RED_NOTIFICATION
 * @property mixed TRIAL
 * @property mixed TRIAL_EXPIRED
 * @property mixed TRIAL_TILL
 * @property mixed infoData
 * @property mixed NO_HEADER
 * @property mixed GENDER
 * @property mixed USER_ONLY_AUTH
 * @property mixed SESSION_EXPIRED_LOGIN
 * @property mixed SETTINGS_TITLE
 * @property mixed TBL_FIELDS
 * @property mixed PER_PAGE
 * @property mixed URLS2COMPANY
 *
 * -------------------------------------------------
 * PARTNERS DATA PROPERTIES
 * -------------------------------------------------
 * @property mixed P
 * @property mixed bUseNewStructure
 * @property mixed bEdit
 * @property mixed ONLY_BLANK
 * @property mixed EXTERNAL_SECTION
 * @property mixed EXTERNAL_FORM_TITLE
 * @property mixed SLIDER_IFRAME_LOAD
 * @property mixed PUB_FILE_UPLOAD
 * @property mixed TABLE
 * @property mixed SYS
 * @property mixed SYSTEM_GUIDES
 * @property mixed PRE_BODY
 * @property mixed USER_TITLE
 * @property mixed showYears
 * @property mixed DISABLE
 * @property mixed DISABLED
 * @property mixed TPASSWD
 * @property mixed PROP_CLASSES
 * @property mixed SUB
 * @property mixed USER
 * @property mixed CFG_INP
 * @property array LINKS
 * @property boolean PROFILE
 * @property mixed GOOGLE_AUTH
 * @property boolean HIDE_CLOSE
 * @property boolean PW_CHANGE
 * @property boolean FULL_HEADER_LINE
 * @property boolean DISABLE_HEADER_TYPES
 * @property boolean ASSOC_AP
 * @property string DEADLINE
 * @property array PRIORITIES
 * @property array LANGUAGES
 * @property array userCompanies
 * @property mixed TWO_FA_SECRET
 * @property mixed TWO_FA_SECRET_QR
 * @property boolean HIDE_SEARCH
 * @property mixed SHOW_PERSONAL_ON_LOAD
 * @property mixed PERSONALTYPES
 * @property mixed COUNTRYCODES
 * @property mixed ADDRESSES
 * @property mixed SETTINGS
 * @property mixed DEBCRED
 * @property mixed BANK
 * @property mixed REQ
 * @property mixed TRANSACTIONS
 * @property mixed INST_SECTOR
 * @property mixed TYPES_TO_SHOW
 * @property mixed TYPES_TO_SHOW_2
 * @property mixed COMP_STARTING_YEAR
 * @property mixed DISABLE_CHANGE_CP_START_YEAR
 * @property mixed YEARS
 * @property mixed PARTNERS
 * @property mixed AP_METERS
 * @property mixed PROJECTS
 * @property mixed STATUS
 * @property mixed VAT_PAYER_STATUS
 * @property mixed TAX_STATUS
 * @property mixed BODY
 * @property array TBL_SORT
 *
 * -------------------------------------------------
 * OBJECT DATA PROPERTIES
 * -------------------------------------------------
 * @property array SUB_TITLE
 * @property array BILL_TYPES
 * @property array METER_UNITS_M
 * @property array METER_TYPES
 * @property array MEASUREMENT_TYPES
 * @property array CHANGE_NEXT_VER
 * @property array TYPES
 * @property array RP
 * @property array TYPES_OF_FOUNDS
 * @property array bType
 * @property array CODES
 * @property array ROWS
 * @property array LIST_BTN
 * @property array MODULE_TITLE
 * @property array TABLE_LEGEND
 * @property array DISABLED_NAVIGATING_ELEMENTS
 * @property array PRESERVE_BUTTONS
 * @property array DEFAULT_SEARCH_VALUES
 * @property array LIST_HEADER
 * @property array DATA_TABLE_NAME
 * @property array LIST_HEADER_SORTABLE
 * @property array LIST_DATA
 * @property array LIST_ACTIONS
 * @property bool DISABLE_SEARCH_HIDE
 * @property bool JOURNAL_BASED_ACCOUNT
 *
 * -------------------------------------------------
 * OUTGOING MAIL CONTROLLER VIEW PROPERTIES
 * -------------------------------------------------
 * @property mixed vLangs
 * @property mixed vMailTypes
 * @property bool readonly
 * @property int iDefaultLang
 *
 * -------------------------------------------------
 * OTHER CONTROLLER VIEW PROPERTIES
 * -------------------------------------------------
 * @property int OBJECTS
 * @property mixed SECTORS
 * @property mixed SECTOR_TYPES
 * @property mixed USERS
 * @property mixed ERROR_MESSAGE
 * @property mixed ASSIGNMENTS
 * @property mixed BUGS
 * @property mixed BUG_FINISHED
 * @property mixed vCFG
 * @property mixed JOURNAL_COLUMNS
 * @property mixed TABLE_BOTTOM_ADDITIONAL_DATA
 *
 * -------------------------------------------------
 * ACCOUNTING VIEW PROPERTIES
 * -------------------------------------------------
 * @property mixed TABLE_ROWS_CONTAINER
 * @property mixed DEPRECIATION
 * @property mixed MEASUREMENT
 * @property mixed DISABLE_DATES
 * @property mixed ADDITIONAL_STATUS_MSG
 * @property mixed R_ID
 * @property mixed COLUMNS
 * @property mixed CODE
 * @property mixed ASSETS
 * @property mixed PVN
 * @property mixed DIVISIONS
 * @property mixed TRANSPORTS
 * @property mixed REGTYPE
 * @property mixed VAT_PAYER
 *
 *
 * -------------------------------------------------
 * DOCUMENT VIEW PROPERTIES
 * -------------------------------------------------
 * @property mixed APARTMENTS
 *
 *
 * -------------------------------------------------
 * DOCUMENT VIEW PROPERTIES
 * -------------------------------------------------
 * @property mixed LAYOUT
 * @property mixed BILL_CORRECTION
 * @property mixed SHOW_FINAL_AMOUNT
 * @property mixed SHOW_ADVANCED_PAYMENTS
 * @property mixed SHOW_DEBT_OVERPAY
 * @property mixed DEBT_OVERPAY
 * @property array ADVANCED_PAYMENTS
 * @property mixed NO_PAIMENT
 * @property mixed LOCK_STATUS
 * @property mixed DATA_NOT_SAVED
 * @property mixed REGISTER_TYPES
 * @property mixed PAID_STATUS
 * @property mixed LINK
 * @property mixed DATA_ROW_EXISTS_CUSTOM_MSG
 * @property mixed DATA_ROW_EXISTS
 * @property mixed LOGO
 * @property mixed VAT
 * @property mixed TABLE_FIELDS
 * @property mixed SHOW_SUBTOTAL
 * @property mixed SHOW_SIG_FOR_SUP
 * @property mixed SHOW_SIG_FOR_BEN
 * @property mixed CONTENT
 * @property mixed PERSONAL
 * @property mixed PREFIX
 * @property mixed DOC_TYPES
 * @property mixed DOC_SETTINGS
 * @property mixed REQUISITES
 * @property mixed ADDRESS
 * @property mixed TABLE_DATA
 * @property mixed TOTAL_MILEAGE
 * @property mixed CONFIRM_STATUS
 * @property mixed CONFIRM_SETTINGS
 * @property mixed REQUISITES_DATA
 * @property mixed REQUISITES_ADDRESSES
 * @property mixed REQUISITES_PERSONAL
 * @property mixed DRIVERS
 * @property mixed ROWS_FILLED
 * @property mixed TABLE_SUMMARY
 * @property mixed ADDITIONAL_PDF_CSS_FILE
 * @property string DOCUMENT_TPL
 * @property string DOCUMENT_VIEW_TPL
 * @property string DOC_MESSAGES
 * @property string SIGNATURE_DATE_1
 * @property string SIGNATURE_DATE_2
 *
 *
 *
 *
 */
class cView
{
    private $oTwig;
    private $oLoader;
    private $cConsole;
    private $cCoreModule;


    public $sTplDirCore;
    public $sTplDirHelpers;
    public $sTplDirLayouts;

    private $_js = [];
    private $_css = [];
    private $_cache = [];
    private $_params = [];
    private $_json_params = [];

    private $_fileVersion = 524;
    private $_sContentVarKey = 'CONTENT';
    private $_tplExt = array('twig', 'tpl', 'html', 'htm');

    public $bIsCms = false;
    public $bIsNew = false;
    public $bPubIsSys = true;


    public $template_cfg = [];

    /**
     * Class constructor
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @param cCore|bool|object $cCoreInst
     */
    public function __construct(&$cCoreInst = false)
    {
        // Define default values
        if (!defined('DEBUG_MODE')) define('DEBUG_MODE', false);
        if (!defined('CUSTOM_SESSION_LIFE')) define('CUSTOM_SESSION_LIFE', 60 * 60 * 24);
        if (!defined('CMS_VERSION')) define('CMS_VERSION', 'X');
        if (!defined('COMPOSER_DIR')) define('COMPOSER_DIR', '/vendor/autoload.php');

        if (!defined('SYS_LOGIN_MAP_ID')) define('SYS_LOGIN_MAP_ID', 0);
        if (!defined('PUB_LOGIN_MAP_ID')) define('PUB_LOGIN_MAP_ID', 0);

        // Setup dir path
        $sDir = __DIR__ ? __DIR__ : dirname(__FILE__);

        // Setup console output object - singleton
        $this->cConsole = cSysConsole::getInstance();

        // Setup directories
        $this->sTplDirCore = "{$sDir}/tpl/core/";
        $this->sTplDirHelpers = "{$sDir}/tpl/helpers/";
        $this->sTplDirLayouts = "{$sDir}/tpl/layouts/";

        // ----------------------------------------------------------------------
        // Twig engine
        // ----------------------------------------------------------------------
        // Set loader directories & setup TWIG
        $this->oLoader = new FilesystemLoader(
            [$this->sTplDirCore, $this->sTplDirHelpers, $this->sTplDirLayouts, __IMG__]
        );
        $this->oTwig = new Environment($this->oLoader, [
            'cache' => (DEBUG_MODE ? false : __CACHE__)
        ]);

        // Append custom TWIG functions
        $oFunction = new TwigFunction('callFunction', function ($sFnTitle, $vFnData) {
            return $this->checkAndCallUserFunction($sFnTitle, $vFnData);
        });
        $this->oTwig->addFunction($oFunction);
        $oFunction = new TwigFunction('prepForDisplayHtml', function ($data) {
            return prepForDisplayHtml($data);
        });
        $this->oTwig->addFunction($oFunction);
        $oFunction = new TwigFunction('prepForOriginalHtml', function ($data) {
            return prepForOriginalHtml($data);
        });
        $this->oTwig->addFunction($oFunction);
        $this->oTwig->addGlobal('cookies', $_COOKIE);

        // ----------------------------------------------------------------------
        // End Twig engine
        // ----------------------------------------------------------------------


        // Set core class instance
        $this->cCoreModule = $cCoreInst;
    }

    /**
     * Function to set variables to view
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @param string $index
     * @param mixed $value
     * @return void
     */
    public function __set($index, $value)
    {
        if ($index) {
            $this->_params[$index] = $value;
        }
    }

    /**
     * Function to set variables to view
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @param mixed $index
     * @return mixed
     */
    public function __get($index)
    {
        if (isset($this->_params[$index])) {
            return $this->_params[$index];
        }
        return false;
    }

    /**
     * Function to get all variables set to view
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @return mixed
     */
    public function getAllSetParams()
    {
        if (!!$this->_params) {
            return $this->_params;
        }
        return false;
    }

    /**
     * Function to load js file
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @param string $file_path - name to file
     * @param bool $cache - cache file name
     * @param array $vExcludeFiles - exclude files in cache mechanism
     * @return bool true
     */
    public function setJs(
        $file_path,
        $cache = false,
        $vExcludeFiles = [
            'tinymce.min.js',
            'jquery.tinymce.min.js',
            'jquery.fileupload.js',
            'jquery.iframe-transport.js',
        ]
    ) {
        $file = preg_replace('/\/+/', '/', (($cache ? __CACHE__ : __MDIR__) . $file_path));
        if (file_exists($file) && filesize($file)) {
            if ($cache) {
                $this->_js = [];
                $this->_cache[] = $file_path;
            } else {
                $sBaseName = basename($file_path);
                if (
                    !DEBUG_MODE
                    && !empty($this->cCoreModule->uri_data['p_autocache'])
                    && !in_array($sBaseName, $vExcludeFiles)
                ) {
                    // Check if file is cached - create cache & create copy in cache
                    if (!file_exists(__CACHE__ . $sBaseName)) {
                        if (!strpos('--' . $sBaseName, '.min.')) {
                            $oMin = new cMinify();
                            if (!$oMin->minifyCssOrJsFileV2($file, cMinify::FILE_TYPE_JS, true))
                                return false;
                        } else {
                            // Save minified file to cache folder
                            copy($file, __CACHE__ . $sBaseName);
                        }
                    }
                    $this->_js[] = __RCACHE__ . $sBaseName;
                } else
                    $this->_js[] = $file_path;
            }
            return true;
        }
        return false;
    }

    /**
     * Function to load css file
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @param string $file_path - name to file
     * @param bool $cache - cache file name
     * @return bool true
     */
    public function setCss($file_path, $cache = false)
    {
        $file = preg_replace('/\/+/', '/', (($cache ? __CACHE__ : __MDIR__) . $file_path));
        if (file_exists($file) && filesize($file)) {
            if ($cache) {
                $this->_css = [];
                $this->_cache[] = $file_path;
            } else {
                if (!DEBUG_MODE && !empty($this->cCoreModule->uri_data['p_autocache'])) {
                    // Check if file is cached - create cache & create copy in cache
                    if (!file_exists(__CACHE__ . basename($file_path))) {
                        if (!strpos('--' . basename($file_path), '.min.')) {
                            $oMin = new cMinify();
                            if (!$oMin->minifyCssOrJsFileV2($file, cMinify::FILE_TYPE_CSS, true))
                                return false;
                        } else {
                            // Save minified file to cache folder
                            copy($file, __CACHE__ . basename($file_path));
                        }
                    }
                    $this->_css[] = __RCACHE__ . basename($file_path);
                } else
                    $this->_css[] = $file_path;
            }
            return true;
        }
        return false;
    }

    /**
     * Function to drop css & js modules
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @return void
     */
    public function dropCssJs()
    {
        $this->_js = [];
        $this->_css = [];
        $this->_cache = [];
    }

    /**
     * Helper function to set smarty directory
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @param string $dir_path - name to folder
     * @return bool true
     */
    public function setTemplateDir($dir_path)
    {
        // Add & set loader additional path for Twig
        $this->oLoader->prependPath("{$dir_path}");
        $this->oTwig->setLoader($this->oLoader);

        return true;
    }

    /**
     * Function to set variables for JSON encode & js decode
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @param string $index
     * @param mixed $value
     * @return void
     */
    public function setAsJSON($index, $value)
    {
        if ($index) $this->_json_params[$index] = cJSON::encode($value, true);
    }

    /**
     * Helper function to display template
     *
     * @param bool|string $sTplName - name to template
     * @param bool|string $sSetToVar - set to named variable
     * @param bool $bDirectDisplay - display as base tpl
     * @return void - prints template data
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     */
    public function display($sTplName = false, $sSetToVar = false, $bDirectDisplay = false)
    {
        // Set variables to view
        $this->setViewVariables();

        // Check template exists
        if (
            !$bDirectDisplay
            && isset($this->cCoreModule->uri_data['mod_use_tmpl']) 
            && $this->cCoreModule->uri_data['mod_use_tmpl']
        ) {
            // Check and add file extension
            $this->chkTplExt($sTplName);
            $this->chkTplExt($this->cCoreModule->uri_data['mod_use_tmpl']);

            // Lookup template
            if (!$this->oLoader->exists($this->cCoreModule->uri_data['mod_use_tmpl'])) {
                die($this->cCoreModule->gM('Main Template not found!'));
            }

            if ($sSetToVar) {
                if ($this->oLoader->exists($sTplName)) {
                    $this->_params[$sSetToVar] = $this->renderViewTemplate($sTplName);
                } else {
                    $this->_params[$sSetToVar] = $this->cCoreModule->gM('Template not found!');
                }
            }

            // Set to template body
            $this->_params[$this->_sContentVarKey] = $this->renderViewTemplate(
                $this->cCoreModule->uri_data['mod_use_tmpl']
            );
        } else {
            // Set to template body
            $this->chkTplExt($sTplName);
            if (!$this->oLoader->exists($sTplName)) {
                die($this->cCoreModule->gM('Main Template not found!'));
            }
            $this->_params[$this->_sContentVarKey] = $this->renderViewTemplate($sTplName);
        }

        // Use cache
        if (!!$this->_cache) {
            foreach ($this->_cache as $v) {
                switch (getExtension($v)) {
                    case 'js':
                        array_unshift($this->_js, $v);
                        break;
                    case 'css':
                        array_unshift($this->_css, $v);
                        break;
                }
            }
        }

        // Setup user theme
        if (!!$this->cCoreModule) {

            $vThemes = false;
            $sUserThemeTitle = '';

            if ($this->cCoreModule->is_cms) {
                $vThemes = sysUsersManagerController::$CMS_FORM_THEMES;
            }
            // Get user selected theme - if logged in
            if (!!$this->cCoreModule->oUser && !!$this->cCoreModule->oUser->oCfg) {
                $sUserThemeTitle = $this->cCoreModule->oUser->oCfg->getValueProperty('sThemetitle');
            }

            // Set default theme
            if (!!$vThemes) {
                if (!isset($vThemes[$sUserThemeTitle])) {
                    foreach ($vThemes as $k => $v) {
                        if (!empty($v['default'])) {
                            $sUserThemeTitle = $k;
                            break;
                        }
                    }
                }

                // Add theme
                $this->setCss($vThemes[$sUserThemeTitle]['f']);
            }
        }

        // Display template
        $this->chkAndGenConsoleDataTpl();

        // Set js versions
        if (!!$this->_js) {
            foreach ($this->_js as &$v) {
                $v .= "?v={$this->_fileVersion}";
            }
        }

        // Set css versions
        if (!!$this->_css) {
            foreach ($this->_css as &$v) {
                $v .= "?v={$this->_fileVersion}";
            }
        }


        // Setup css & js arrays
        $this->_params['JS'] = str_replace('\\', '/', $this->_js);
        $this->_params['CSS'] = str_replace('\\', '/', $this->_css);

        // Setup main details of page
        $this->_params['MAP'] = $this->cCoreModule->uri_data;

        // Switch base template
        $templateToRender = 'body.twig';
        if ($this->bIsCms) {
            $templateToRender = ($this->bIsNew ? 'cms-html-n.twig' : 'cms-body.twig');
        }

        // Render final template
        echo $this->renderViewTemplate($templateToRender);
    }

    /**
     * Helper function to get generated template
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @param string $sTplName - template name
     * @return string - template data
     */
    public function genTemplate($sTplName)
    {
        // Set variables
        $this->setViewVariables();

        // Validate extension
        $this->chkTplExt($sTplName);

        // Get console template data
        $sConsole = $this->chkAndGenConsoleDataTpl(true);

        // Return template data
        if ($this->oLoader->exists($sTplName)) {
            return $this->renderViewTemplate($sTplName) . $sConsole;
        } else {
            return $this->cCoreModule->gM('Template not found!');
        }
    }

    /**
     * Function to generate console template with data if DEBUG_MODE enabled
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @param bool $bAddInitScript - add initialize script
     * @return string - template data
     */
    private function chkAndGenConsoleDataTpl($bAddInitScript = false)
    {
        // If debug, setup console data
        if (DEBUG_MODE && $this->cCoreModule->cTimer) {

            // Stop base timer
            $this->cCoreModule->cTimer->stop();

            // Set console data
            $this->_params['CONSOLE_SCRIPT'] = $bAddInitScript;
            $this->_params['CONSOLE_DATA'] = $this->cConsole->getLineData();

            // Return tpl data only on posts - otherwise data included in core tpl
            if ($bAddInitScript) {
                if (file_exists("{$this->sTplDirHelpers}console/console.tpl")) {
                    return $this->renderViewTemplate('console/console.tpl');
                }
            } else {
                $this->setJs('/js/brs.console.js');
                $this->setCss('/css/cms-debug-console.css');
            }
        }

        return '';
    }

    /**
     * Helper function to check template extension type and add if necessary
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @param string $tplName - name of template
     * @return void
     */
    public function chkTplExt(&$tplName)
    {
        $ext = getFileExtension($tplName);

        if ($ext) {
            if (!in_array($ext, $this->_tplExt)) {
                $tplName = substr($tplName, 0, strlen($tplName) - strlen($ext)) . $this->_tplExt[0];
            }
        } else {
            $tplName .= '.' . $this->_tplExt[0];
        }
    }

    /**
     * Helper function to generate template bases on different engine
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @param string $sTplName - name of template
     * @return string
     */
    private function renderViewTemplate($sTplName)
    {
        // Twig case
        $oTemplate = $this->oTwig->load($sTplName);
        $htmlData = $oTemplate->render($this->_params);

        return $htmlData;
    }

    /**
     * Helper function to get generated helper view template
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @param string $sTplName - name to helper view
     * @return string - template name
     */
    public function genHelperView($sTplName)
    {
        // Set variables
        $this->setViewVariables();

        // Validate extension
        $this->chkTplExt($sTplName);

        // Get console template data
        $sConsole = $this->chkAndGenConsoleDataTpl(true);

        // Return template data

        if ($this->oLoader->exists($sTplName)) {
            return $this->renderViewTemplate($sTplName) . $sConsole;
        } else {
            return $this->cCoreModule->gM('Template not found!');
        }
    }

    /**
     * Function to set view variables
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @return void
     */
    private function setViewVariables()
    {
        // Directory configuration
        $this->_params['DIR'] = [
            'js' => __JS__,
            'css' => __CSS__,
            'img' => __IMG__,
            'upd' => __FILES__,
            'lib' => __LIB__,
            'thelper' => $this->sTplDirHelpers
        ];
        
        // Set session life
        $this->_json_params['sessionTime'] = cJSON::encode(CUSTOM_SESSION_LIFE, true);

        $cartData = [];
        $cartCounter = 0;
        if (!empty($_SESSION['cart']['data']) && is_array($_SESSION['cart']['data'])) {
            $cartData = $_SESSION['cart']['data'];

            if (isset($cartData['total']) && is_numeric($cartData['total'])) {
                $cartCounter = (int)$cartData['total'];
            } elseif (!empty($cartData['cat']) && is_array($cartData['cat'])) {
                foreach ($cartData['cat'] as $products) {
                    if (empty($products) || !is_array($products)) {
                        continue;
                    }
                    foreach ($products as $item) {
                        if (!empty($item['count'])) {
                            $cartCounter += (int)$item['count'];
                        }
                    }
                }
            }

            if (!isset($cartData['subtotal']) || !is_numeric($cartData['subtotal'])) {
                $cartSubtotal = 0;
                if (!empty($cartData['cat']) && is_array($cartData['cat'])) {
                    foreach ($cartData['cat'] as $products) {
                        if (empty($products) || !is_array($products)) {
                            continue;
                        }
                        foreach ($products as $item) {
                            if (!empty($item['count']) && isset($item['p'])) {
                                $cartSubtotal += ((float)$item['count'] * (float)$item['p']);
                            }
                        }
                    }
                }
                $cartData['subtotal'] = $cartSubtotal;
            }

            $cartData['total'] = $cartCounter;
        }

        $this->_params['cart'] = $cartData;
        $this->_params['cart_counter'] = $cartCounter;

        // Set wishlist counter for logged in public user
        $wishlistCounter = 0;
        if (!$this->bIsCms && !empty($_SESSION['pub-user']['id'])) {
            $userId = (int)$_SESSION['pub-user']['id'];
            if ($userId > 0 && class_exists(pubUsersModule::class)) {
                $wishlistModule  = new pubUsersModule();
                $wishlistCounter = $wishlistModule->getWishlistCount($userId);
            }
        }
        $this->_params['wishlist_counter'] = $wishlistCounter;

        if (!$this->bIsCms && defined('PUB_LOGIN_MAP_ID')) {
            $this->setAsJSON('cartLink', $this->cCoreModule->gL(896));
            $this->setAsJSON('profileLink', $this->cCoreModule->gL(905));
        }

        // Set session expired login request link
        if ($this->bIsCms) {
            if (defined('SYS_LOGIN_MAP_ID')) {
                $sRequestUrl = $this->cCoreModule->gL(SYS_LOGIN_MAP_ID, 'action:loginf');
                $this->_json_params['sessionLoginLink'] = cJSON::encode($sRequestUrl, true);
            }
        } elseif (defined('PUB_LOGIN_MAP_ID')) {
            if (!empty($this->cCoreModule->selCompId) && $this->cCoreModule->selCompId > 0) {
                $sRequestUrl = $this->cCoreModule->gL(
                    PUB_LOGIN_MAP_ID, 
                    'action:loginf/cp:' . urlencode(
                        $this->cCoreModule->oDefuseCrypt->encrypt($this->cCoreModule->selCompId)
                    )
                );
                $this->_json_params['sessionLoginLink'] = cJSON::encode($sRequestUrl, true);
            }
        }

        // Set json encode variables for auto decode in base class
        if (isset($this->_json_params)) {
            $this->_params['JSON_PARAMS'] = $this->_json_params;
        }

        // Load module for templates
        $this->_params['dt'] = &$this->cCoreModule;

        // Set constants
        $this->_params['CMS_VERSION'] = CMS_VERSION;
        $this->_params['BRAND_NAME'] = defined('BRAND_NAME') ? BRAND_NAME : 'Elixir Vault';
        $this->_params['BRAND_NAME_UPPER'] = defined('BRAND_NAME_UPPER') ? BRAND_NAME_UPPER : 'ELIXIRVAULT';
        $this->_params['BRAND_DOMAIN'] = defined('BRAND_DOMAIN') ? BRAND_DOMAIN : 'elixirvault.lv';
        $this->_params['BRAND_LOCAL_DOMAIN'] = defined('BRAND_LOCAL_DOMAIN') ? BRAND_LOCAL_DOMAIN : 'local.elixirvault.lv';
        $this->_params['BRAND_SUPPORT_EMAIL'] = defined('BRAND_SUPPORT_EMAIL') ? BRAND_SUPPORT_EMAIL : 'info@elixirvault.lv';
        $this->_params['BRAND_STORE_NAME'] = defined('BRAND_STORE_NAME') ? BRAND_STORE_NAME : 'elixirvault.lv';
    }

    /**
     * Function to get template names in array
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @return array of available templates
     */
    public function getTemplates()
    {
        $templates = [];
        $bannedTemplates = [
            ''
        ];

        foreach (scandir($this->sTplDirLayouts) as $v) {
            if (!in_array(strtolower($v), $bannedTemplates)) {
                if (!is_dir($this->sTplDirCore . $v)) {
                    $templates[] = substr($v, 0, strrpos($v, '.'));
                }
            }
        }

        return $templates;
    }

    /**
     * Function to get indicator whether cache is used
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @return bool true / false
     */
    public function cacheUsed(): bool
    {
        return !!$this->_cache;
    }

    /**
     * Function to call user custom function from TWIG
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category View
     * @return bool true / false
     */
    public function checkAndCallUserFunction($sFnTitle, $vFnData)
    {
        if (is_callable($sFnTitle)) {
            return call_user_func_array($sFnTitle, $vFnData);
        }
        return false;
    }
}