<?php

namespace App\PdfExport;
use Qs\Db\Model\Exception;
use Qs_Job;
use Qs_Request;
use Qs_Session_Namespace;
use Qs_ViewController;

/**
 * Class AdminViewTrait
 * @package App\PdfExport
 * @method _addItem($item, $groupName = null)
 * @method _getBackUrl($sessionName = null, $defaultUrl = null)
 * @mixin Qs_ViewController|ToolAwareViewTrait
 */

trait AdminViewTrait
{
    use ToolAwareViewTrait;

    protected function injectPdfExportLinks(array &$links, array $query)
    {
        $action = 'exportToPdf';
        if (!in_array($action, $this->_actions)) {
            // No Access
            return $this;
        }
        $tool = $this->getPdfExportTool();
        $tribeIdParam = [];
        if (isset($query['tribeId']) && $query['tribeId']) {
            $tribeIdParam['tribeId'] = $query['tribeId'];
            $tool->setTargetDir($tool->getTargetDir() . '-' . $query['tribeId']);
        }
        $file = $tool->getExportFile();

        if (($fileExists = file_exists($file))) {
            $links[$action] = [
                'title'   => 'Download .' . pathinfo($file, PATHINFO_EXTENSION),
                'options' => ['info' => 'created on ' . date('m/d/y g:i A', filemtime($file))],
                'url'     => $this->url(array_merge(['action' => 'downloadPdfExport', 'file' => basename($file)], $tribeIdParam)),
            ];
        }
        if ($tool->isInProcess() || $this->isInProcess()) {
            $this->setInProcess(false);
            $this->_addItem([
                'refreshUrl' => $this->_getBackUrl(),
                'tpl'        => 'PdfExport/in-process.tpl',
            ]);
        } else {
            $links[$action] = [
                'title' => $fileExists ? 'Re-export to .pdf' : 'Export to .pdf',
                'url'   => $this->url(array_merge(['action' => 'exportToPdf'], $query)),
            ];
        }
        return $this;
    }

    protected function isInProcess()
    {
        /** @noinspection PhpUndefinedFieldInspection */
        return !empty($this->getSession()->inProcess);
    }

    protected function setInProcess($flag = true)
    {
        if (!$flag) {
            /** @noinspection PhpUndefinedFieldInspection */
            unset($this->getSession()->inProcess);
        } else {
            /** @noinspection PhpUndefinedFieldInspection */
            $this->getSession()->inProcess = $flag;
        }
        return $this;
    }

    protected function getSession()
    {
        return new Qs_Session_Namespace(__CLASS__);
    }

    protected function _doExportToPdf()
    {
        if (!($url = $this->getConfig('pdfExportJobUrl'))) {
            throw new Exception('pdfExportJobUrl is not defined');
        }
        $query = Qs_Request::getGet();
        unset($query['action']);
        if ($query) {
            $url .= '?' . http_build_query($query);
        }
        Qs_Job::run($url);
        $this->setInProcess();
        $this->_doBack();
        return $this;
    }

    protected function _doDownloadPdfExport()
    {
        try {
            $this->getPdfExportTool()->download(Qs_Request::getGetValue('file'), $this->getConfig('pdfExportDownloadFileName'));
        } catch (Exception $e) {
            $this->_setBackError($e->getMessage());
            $this->_doBack();
        }
        return $this;
    }
}