<?php

use X13Webp\Helpers\X13Db;

include(dirname(__FILE__) . '/../../config/config.inc.php');

/* Check security token */
if (!Tools::isPHPCLI()) {
    include(dirname(__FILE__) . '/../../init.php');
}

class x13webpCron {

    private $module;
    private $done_images = 0;

    public function __construct()
    {

        $this->module = Module::getInstanceByName('x13webp');

        if (Tools::getValue('token') == $this->module->x13helper->getCronToken()) {

            $cron_activity = Configuration::get($this->module->options_prefix . 'CRON_ACTIVITY');
            if ($cron_activity && $cron_activity > time()) {
                die('Cron has already been started');
            } else {
                Configuration::updateValue($this->module->options_prefix . 'CRON_ACTIVITY', strtotime('+ 1 minutes', time()));
            }

            $this->start_time = time();
            $this->max_execution_time = (int) ini_get('max_execution_time');

            if (Configuration::get($this->module->options_prefix . 'CRON_OPERATION_MODE') == 2) {

                $this->deleteAllWebp();
            }

            $this->generateMissingWebp();

            Configuration::updateValue($this->module->options_prefix . 'CRON_DATE', date('Y-m-d H:i:s'));

            die('Done: ' . $this->getCronLog());
        } else {
            die('Bad token');
        }
    }

    public function getCronLog()
    {
        return $this->done_images . ' images generated';
    }

    public function checkMaxExecutionTime()
    {
        if (time() - $this->start_time > $this->max_execution_time - 4) die('Timeout: ' . $this->getCronLog());
    }

    public function generateMissingWebp()
    {

        $allowed = json_decode(Configuration::get($this->module->options_prefix . 'ALLOWED_GENERATED_IMAGES'), true);

        $types = $this->module->x13helper->getImageTypes();

        if (!empty($types)) foreach ($types as $type) {

            if (!in_array($type['val'], $allowed)) continue;

            $total = $this->module->x13helper->getTotalImages($type['val']);

            if ($type['has_types']) {

                $image_types = ImageType::getImagesTypes($type['val']);

                array_unshift($image_types, [
                    'name' => 'main'
                ]);

                if (!empty($image_types)) foreach ($image_types as $image_type) {

                    $done = X13Db::getTotalDoneImages($type['val'], $image_type['name']);

                    $output = $this->module->x13converter->convertImages($done, $total, $type['val'], $image_type['name'], 'webp');

                    while ($output && !$output['complete'] && !$output['error']) {

                        $this->checkMaxExecutionTime();

                        $output = $this->module->x13converter->convertImages($output['done'], $total, $type['val'], $image_type['name'], 'webp');
                        $this->done_images += 1;
                    }
                }
            } else {

                if ($type['val'] == 'theme') {
                    $done = X13Db::getTotalDoneImages($type['val'] . '_' . _THEME_NAME_, '');
                    if (defined('_PARENT_THEME_NAME_') && !empty(_PARENT_THEME_NAME_)) {
                        $done += X13Db::getTotalDoneImages($type['val'] . '_' . _PARENT_THEME_NAME_, '');
                    }
                } else {
                    $done = X13Db::getTotalDoneImages($type['val']);
                }

                $output = $this->module->x13converter->convertImages($done, $total, $type['val'], 'all', 'webp');

                while ($output && !$output['complete'] && !$output['error']) {

                    $this->checkMaxExecutionTime();

                    $output = $this->module->x13converter->convertImages($output['done'], $total, $type['val'], '', 'webp');
                    $this->done_images += 1;
                };
            }
        }
    }

    public function deleteAllWebp()
    {

        $type = X13Db::getGeneratedWebpType();

        if (!$type) return true;

        $image_type = X13Db::getGeneratedImageType($type);

        if ($image_type !== false) {

            $this->module->x13cleaner->forceDeleteWebpImages($type, $image_type);
        }

        $this->deleteAllWebp();
    }

}

new x13webpCron();