<?php
/**
 * @author       Ingmar Vack
 * @package      Joomla.Administrator
 * @subpackage   com_visforms
 * @link         https://www.vi-solutions.de
 * @license      GNU General Public License version 2 or later; see license.txt
 * @copyright    2021 vi-solutions
 * @since        Joomla 1.6
 */
namespace Visolutions\Component\Visforms\Site\View\Visformrenderpdf;

defined('_JEXEC') or die('Restricted access');

use Joomla\CMS\Log\Log;
use Visolutions\Component\Visforms\Administrator\Model\VisformModel;
use Visolutions\Component\Visforms\Administrator\Model\VispdfModel;
use Visolutions\Component\Visforms\Administrator\Model\VisrenderpdfModel;
use Visolutions\Component\Visforms\Administrator\View\RenderPdfViewBase;
use Visolutions\Component\Visforms\Administrator\Helper\AefHelper;

/**
 * class used to create pdf documents from pdf templates from frontend data views
 * also used to create pdf documents from pdf templates from plugin mail attachments
 */

class RawView extends RenderPdfViewBase
{
	protected $returnUrl;
	protected $pdfOptions = array();

	public function __construct($config = array()) {
		parent::__construct($config);
		// pdfOptions are set from plugin mail attachments, when attaching a pdf from template to mails
		if (isset($config['pdfOptions'])) {
			$this->pdfOptions = $config['pdfOptions'];
		}
	}

	// custom implementations
	protected function initialize() {
		// output method must be passed into parent through user state
		if (isset($this->pdfOptions['out'])) {
			$this->app->setUserState('pdf.out', $this->pdfOptions['out']);
		}
		else {
			$this->app->setUserState('pdf.out', 'D');
		}
		parent::initialize();
		// when we create
		if (isset($this->pdfOptions['templateId'])) {
			$this->id = $this->pdfOptions['templateId'];
		}
		else {
            $this->id = $this->app->getUserState('visforms'. $this->fid . '.pdf.tmplid');
        }
		if (isset($this->pdfOptions['fid'])) {
			$this->fid = $this->pdfOptions['fid'];
		}
	}

	protected function initializeModels() {
		// get pdf model
		$this->pdfModel = new VispdfModel(array('ignore_request' => true));
		$this->pdfItem  = $this->pdfModel->getItem($this->id);
		$this->pdfForm  = $this->pdfModel->getForm();

		// get form model
		$this->formModel = new VisformModel(array('ignore_request' => true));
		$this->formItem  = $this->formModel->getItem($this->fid);
		// formForm is not used but trying it from the model twices causes errors
		//$this->formForm  = $this->formModel->getForm();

		// get data
		// only data, which the user has permission to export are set to user state in controller (Check permission is done in the ocntroller)
		$this->pdfData       = $this->pdfItem->data;
		$this->dataItems    = $this->app->getUserState('visforms'. $this->fid . '.pdf.datas');
		$this->dataFields   = $this->app->getUserState('visforms'. $this->fid . '.pdf.datafields');
		$this->prepareDataFields();
		if ($this->app->getUserState('visforms'. $this->fid . '.pdf.pdftask', '') === 'renderPdfFromRequestData') {
            // Clear data from user state; uncomment to following 3 lines
            $this->app->setUserState('visforms'. $this->fid . '.pdf.tmplid', null);
            $this->app->setUserState('visforms'. $this->fid . '.pdf.datas', null);
            $this->app->setUserState('visforms'. $this->fid . '.pdf.datafields', null);
            $this->app->setUserState('visforms'. $this->fid . '.pdf.pdftask', null);
        }

	}

    protected function initializePayLoad() {
	    parent::initializePayLoad();
	    // use pdf title as default file name
        // base implementation uses form name
        // as we can attach/download multiple templates for one submission, this would be confusing
        $this->pdfOutputName   = $this->pdfItem->title . '.pdf';
    }

    // view can be called from frontend
    // make sure that we only render a pdf document if the pdf id is set in the user state or via config['pdfOptions']
    // the user permissions are already check at the point, where the tmplId is set in the user state/config['pdfOptions']
    public function display($tpl = null) {
        if (!AefHelper::checkAEF()) {
            return false;
        }
	    $tmplId = $this->app->getUserState('visforms'. ($this->input->get('fid', '0')) . '.pdf.tmplid', 0);
        if (isset($this->pdfOptions['templateId'])) {
            $tmplId = (int) $this->pdfOptions['templateId'];
        }
        if (empty($tmplId)) {
            return false;
        }
		$model = New VisrenderpdfModel(array());
		$this->setModel($model, true);
        return parent::display($tpl);
    }
}