<?php

use Bitrix\Main\EventManager;

IncludeModuleLangFile(__FILE__);

class bx_nullable extends \CModule
{
    public $module = [];
    var $MODULE_GROUP_RIGHTS = 'Y';

    public function __construct()
    {
        $module = [];
        if (file_exists(__DIR__ . '/../.module.json')) {
            $module = json_decode(file_get_contents(__DIR__ . '/../.module.json'), true);
        }

        $this->module = $module;

        $this->MODULE_ID = $module['id'];
        $this->MODULE_VERSION = $module['version'];
        $this->MODULE_VERSION_DATE = $module['date'];

        $langPrefix = $module['prefix'];

        $this->PARTNER_NAME = GetMessage("{$langPrefix}_partner_name");
        $this->PARTNER_URI = GetMessage("{$langPrefix}_partner_uri");
        $this->MODULE_NAME = GetMessage("{$langPrefix}_module_name");
        $this->MODULE_DESCRIPTION = GetMessage("{$langPrefix}_module_description");
    }


    public function DoInstall()
    {
        global $APPLICATION;

        if (is_array($this->module['deps'])) {
            foreach ($this->module['deps'] as $moduleId) {
                if (!\Bitrix\Main\Loader::includeModule($moduleId)) {
                    $APPLICATION->ThrowException("Module {$moduleId} not installed!");
                    return false;
                }
            }
        }

        if (!CheckVersion(PHP_VERSION, '5.4.0')) {
            $APPLICATION->ThrowException('Php version required more 5.4.0');
            return false;
        }

        RegisterModule($this->MODULE_ID);
        RegisterModuleDependences('main', 'OnPageStart', $this->MODULE_ID);
        $this->InstallEvents();
        $this->InstallCatalogExport();


        return true;
    }

    public function DoUninstall()
    {
        global $APPLICATION;
        UnRegisterModule($this->MODULE_ID);
        UnRegisterModuleDependences('main', 'OnPageStart', $this->MODULE_ID, '', '');
        $this->UnInstallEvents();
        $this->UnInstallCatalogExport();
        return true;
    }

    public function InstallCatalogExport()
    {
        if (is_dir(__DIR__ . '/catalog_export') && \Bitrix\Main\Loader::includeModule('catalog')) {
            CopyDirFiles(__DIR__ . '/catalog_export', $_SERVER['DOCUMENT_ROOT'] . CATALOG_PATH2EXPORTS, true, true);
        }
        return true;
    }

    public function UnInstallCatalogExport()
    {
        return true;
    }


    public function InstallEvents()
    {
        if (class_exists('\Bitrix\Main\EventManager')) {
            $eventManager = EventManager::getInstance();
            //            $eventManager->registerEventHandler(
            //                'main',
            //                'OnPageStart',
            //                $this->MODULE_ID,
            //                'Bx\Nullable\Handler\Handler',
            //                'exec',
            //                100
            //            );
        }
        return true;
    }

    public function UnInstallEvents()
    {
        if (class_exists('\Bitrix\Main\EventManager')) {
            $eventManager = \Bitrix\Main\EventManager::getInstance();
            //            $eventManager->unRegisterEventHandler(
            //                'main',
            //                'OnPageStart',
            //                $this->MODULE_ID,
            //                'Bx\Nullable\Handler\Handler',
            //                'exec'
            //            );
        }

        return true;
    }
}