<?php

namespace KupShop\RewriteBundle\Admin;

use KupShop\KupShopBundle\Context\DomainContext;
use KupShop\KupShopBundle\Util\Compat\ServiceContainer;
use KupShop\RewriteBundle\Util\Rewrite;

class RewriteImport extends \Frame
{
    protected $template = 'board/rewriteImport.tpl';
    protected $tableName = 'rewrite';

    private $importErrors;
    private $rewrite;

    public function __construct()
    {
        $this->rewrite = ServiceContainer::getService(Rewrite::class);
    }

    public function get_vars()
    {
        $vars = parent::get_vars();

        if ($this->importErrors) {
            $vars['body']['data']['import']['errors'] = $this->importErrors;
        }

        return $vars;
    }

    public function handle()
    {
        if (getVal('acn') == 'importUrls') {
            $errors = $this->importAction();
            if (!empty($errors) && (!empty($errors['textarea']) || !empty($errors['file']))) {
                $this->importErrors = $errors;
            } else {
                $this->returnOK();
            }
        }
    }

    protected function getData()
    {
        $data = getVal('data', null, []);

        if (!empty($data)) {
            $data['ID'] = getVal('ID');
        }

        return $data;
    }

    public function importAction()
    {
        $data = $this->getData();
        if (isset($data['import']['urls'])) {
            $errorsFile = [];
            // window import
            $urls = $data['import']['urls'];
            $fp = fopen('php://temp', 'r+');
            fputs($fp, $urls);
            rewind($fp);
            $errors = $this->importUrls($fp);
            fclose($fp);

            // file import
            if ($file = getVal('file_urls', $_FILES)) {
                if (!empty($file['tmp_name'])) {
                    $fp = fopen($file['tmp_name'], 'r');
                    $errorsFile = $this->importUrls($fp);
                    fclose($fp);
                }
            }

            return ['textarea' => $errors, 'file' => $errorsFile];
        }

        return ['textarea' => [], 'file' => []];
    }

    public function importUrls($fp)
    {
        $errors = [];
        $lineNo = 0;
        $domains = ServiceContainer::getService(DomainContext::class)->getSupported();

        $keepUrlsDomain = ($this->getData()['import']['keep_domain'] ?? 'N') === 'Y';

        while ($line = fgets($fp)) {
            $lineNo++;
            $line = trim($line);
            if (!$line) {
                continue;
            }

            $url_default = ['host' => '', 'path' => ''];
            $data = preg_split('/[\s,]+/', $line);
            if (isset($data[0]) && isset($data[1])) {
                $parts0 = array_merge($url_default, parse_url($data[0]));
                $parts1 = array_merge($url_default, parse_url($data[1]));

                $oldUrl = $parts0['path'];
                $oldUrl .= !empty($parts0['query']) ? ('?'.$parts0['query']) : '';

                // nekdy proste potrebuju fakt zachovat domenu na obou stranach (stara i nova url), protoze treba pro CZ i EN meli stejnou URL
                // takze potrebuju domena.cz/neco -> domena.cz/neco-noveho a domena.com/neco -> domena.en/something-new atd...
                if ($keepUrlsDomain) {
                    $oldUrl = $data[0];
                    $newUrl = $data[1];
                } elseif ($parts0['host'] == $parts1['host'] || in_array($parts1['host'], $domains)) {
                    $newUrl = $parts1['path'];
                } else {
                    $newUrl = $data[1];
                }
            } else {
                $errors[$lineNo] = $line;
                continue;
            }

            $urlType = $this->rewrite->getTypeByUrl($newUrl);
            $this->rewrite->addRewrite($oldUrl, $urlType['type'], $urlType['related']);
        }

        return $errors;
    }
}

return RewriteImport::class;