<?php 

class ImportController
{
    private function getBuilders()
    {
        return [
            XmlImportComponent::SECTION_APARTMENTS => new ApartmentBuilder(),
            XmlImportComponent::SECTION_BANKS => new BaseBuilder(Bank::className()),
            XmlImportComponent::SECTION_BLOCKS => new BlockBuilder(),
            XmlImportComponent::SECTION_BLOCKSUBWAYS => new BlockSubwayBuilder(),
            XmlImportComponent::SECTION_BUILDERS => new BaseBuilder(Builder::className()),
            XmlImportComponent::SECTION_BUILDINGS => new BuildingBuilder(),
            XmlImportComponent::SECTION_FLATTYPES => new FlatTypeBuilder(),
            XmlImportComponent::SECTION_MORTGAGES => new MortgageBuilder(),
            XmlImportComponent::SECTION_REGIONS => new RegionBuilder(),
            XmlImportComponent::SECTION_ROOMTYPES => new RoomTypeBuilder(),
            XmlImportComponent::SECTION_SUBWAYS => new BaseBuilder(Subway::className()),
            XmlImportComponent::SECTION_BANK_PROGRAMS => new BankProgramBuilder(),
            XmlImportComponent::SECTION_BANK_PROGRAM_RATES => new BankProgramRateBuilder(),
            XmlImportComponent::SECTION_CLASSES => new ClassTypeBuilder()
        ];
    }
    
    private $isReport = false;
    private $tmpReportFile;
    private $reportFile;
    
    private static function getDateStr()
    {
        return date('[d-m-Y H:i:s] ');
    }
    
    public function saveReport()
    {
        if (!$this->isReport) {
            return ;
        }
    
        if (is_file($this->tmpReportFile)) {
            rename($this->tmpReportFile, $this->reportFile);
        }
    }

    private function out($string)
    {
        $str = self::getDateStr().$string.PHP_EOL;

        if ($this->isReport) {
            file_put_contents($this->tmpReportFile, $str, FILE_APPEND);
        }
    }

    private function validateFile($file, $force)
    {
        if (is_file($file) && is_readable($file)) {
            return $force || (new ImportStartStrategy())->isRunnable(new \DateTimeImmutable());
        }

        return false;
    }

    /**
     * @param int $daysOfLife
     **/
    public function cleanLogs($daysOfLife=14)
    {
        $dir = $_SERVER['DOCUMENT_ROOT'].'/import/reports/';
        $files = glob($dir . '*', GLOB_MARK);
        foreach($files as $file) {
            if (stripos(basename($file), ".log") !== false) {
                $ts = filemtime($file);
                if ($ts === false) {
                    continue;
                }

                $days = floor((time() - $ts) / (60 * 60 * 24));
                if ($days > $daysOfLife) {
                    unlink($file);
                }
            }
        }
    }

    public function doImport(
        $xml= '/abc/SiteData.xml',
        $report=1,
        $force=0
    ) {
        $this->isReport = (bool)$report;
        $this->tmpReportFile = $_SERVER['DOCUMENT_ROOT'].'/import/reports/' . time();
        $this->reportFile = $this->tmpReportFile.'.log';

        if (!$this->validateFile($xml, $force)) {
            return false;
        }

        try {
            $this->out('Start import');
            $importComponent = new XmlImportComponent($xml);

            foreach ($this->getBuilders() as $sectionId => $builder) {
                $importComponent->setBuilder($sectionId, $builder);
            }

            $importComponent->loadData(
                function ($modelClass, $wastedTime, $newElementsCount, $delElementsCount, $count) {
                    $this->out($modelClass);
                    $this->out('Wasted time: '.$wastedTime);
                    $this->out('New: '.$newElementsCount);
                    $this->out('Updated: '.($count-$newElementsCount));
                    if ($delElementsCount !== NULL) {
                        $this->out('Deleted: '.$delElementsCount);
                    }
                    $this->out('Total: '.$count);
                    $this->out('');
                }
            );
            $this->out('FINISH');
            (new ImporterService())->setImportDate((new \DateTimeImmutable())->format('r'));
        } catch (\Exception $e) {
            $this->out(var_export($e, true));
        } finally {
            $this->saveReport();
        }

        $sql="delete from builders where id not in (select distinct builder_id from blocks)";
        mysql_query($sql);
        $this->cleanLogs();
        return true;
    }

    /*public function actionImagelist()
    {
        $images = [];
        $mapCallback = function($item) { return basename($item['image']); };

        $img = Apartment::find()->asArray()
            ->distinct(true)
            ->select('image')
            ->all();
        $images = array_merge($images, array_map($mapCallback, $img));

        $img = Apartment::find()->asArray()
            ->distinct(true)
            ->select('image2 as image')
            ->all();
        $images = array_merge($images, array_map($mapCallback, $img));

        $img = Block::find()->asArray()
            ->distinct(true)
            ->select('image')
            ->all();
        $images = array_merge($images, array_map($mapCallback, $img));
        foreach (array_unique($images) as $img) {
            echo $img . PHP_EOL;
        }
    }*/
}