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<?php
/*
 * Spring Signage Ltd - http://www.springsignage.com
 * Copyright (C) 2016 Spring Signage Ltd
 * (Pdf.php)
 */

namespace Xibo\Widget;

use Respect\Validation\Validator as v;
use Xibo\Exception\InvalidArgumentException;

/**
 * Class Pdf
 * @package Xibo\Widget
 */
class Pdf extends ModuleWidget
{

/**
     * Javascript functions for the layout designer
     */
    public function layoutDesignerJavaScript()
    {
        // We use the same javascript as the data set view designer
        return 'pdf-designer-javascript';
    }

/**
     * Install Files
     */
    public function installFiles()
    {
        $this->mediaFactory->createModuleSystemFile(PROJECT_ROOT . '/modules/vendor/pdfjs/pdf.js')->save();
        $this->mediaFactory->createModuleSystemFile(PROJECT_ROOT . '/modules/vendor/pdfjs/pdf.worker.js')->save();
        $this->mediaFactory->createModuleSystemFile(PROJECT_ROOT . '/modules/vendor/pdfjs/compatibility.js')->save();
    }

/**
     * Edit PDF Widget
     *
     * @SWG\Put(
     *  path="/playlist/widget/{widgetId}?pdf",
     *  operationId="WidgetPdfEdit",
     *  tags={"widget"},
     *  summary="Parameters for editing existing pdf on a layout",
     *  description="Parameters for editing existing pdf on a layout, for adding new files, please refer to POST /library documentation",
     *  @SWG\Parameter(
     *      name="widgetId",
     *      in="path",
     *      description="The WidgetId to Edit",
     *      type="integer",
     *      required=true
     *   ),
     *  @SWG\Parameter(
     *      name="name",
     *      in="formData",
     *      description="Edit only - Optional Widget Name",
     *      type="string",
     *      required=false
     *  ),
     *  @SWG\Parameter(
     *      name="useDuration",
     *      in="formData",
     *      description="(0, 1) Select 1 only if you will provide duration parameter as well",
     *      type="integer",
     *      required=false
     *  ),
     *  @SWG\Parameter(
     *      name="duration",
     *      in="formData",
     *      description="Edit Only - The Widget Duration",
     *      type="integer",
     *      required=false
     *  ),
     *  @SWG\Parameter(
     *      name="enableStat",
     *      in="formData",
     *      description="The option (On, Off, Inherit) to enable the collection of Widget Proof of Play statistics",
     *      type="string",
     *      required=false
     *   ),
     *  @SWG\Response(
     *      response=204,
     *      description="successful operation"
     *  )
     * )
     *
     * @throws \Xibo\Exception\XiboException
     */
    public function edit()
    {
        // Set the properties specific to this module
        $this->setUseDuration($this->getSanitizer()->getCheckbox('useDuration'));
        $this->setDuration($this->getSanitizer()->getInt('duration', $this->getDuration()));
        $this->setOption('name', $this->getSanitizer()->getString('name'));
        $this->setOption('enableStat', $this->getSanitizer()->getString('enableStat'));

$this->isValid();
        $this->saveWidget();
    }

/** @inheritdoc */
    public function isValid()
    {
        if ($this->getUseDuration() == 1 && !v::intType()->min(1)->validate($this->getDuration()))
            throw new InvalidArgumentException(__('You must enter a duration.'), 'duration');

return self::$STATUS_VALID;
    }

/** @inheritdoc */
    public function getResource($displayId = 0)
    {
        $data = [];
        $isPreview = ($this->getSanitizer()->getCheckbox('preview') == 1);

// If not preview or a display, then return the file directly
        if (!$isPreview && $displayId === 0) {
            $this->download();
            return '';
        }

// Replace the View Port Width?
        $data['viewPortWidth'] = ($isPreview) ? $this->region->width : '[[ViewPortWidth]]';

$duration = $this->getCalculatedDurationForGetResource();

// Set some options
        $options = array(
            'type' => $this->getModuleType(),
            'duration' => $duration,
            'durationIsPerItem' => false,
            'originalWidth' => $this->region->width,
            'originalHeight' => $this->region->height,
            'previewWidth' => intval($this->getSanitizer()->getDouble('width')),
            'previewHeight' => intval($this->getSanitizer()->getDouble('height'))
        );

// File name?
        $data['file'] = ($isPreview) ? $this->getApp()->urlFor('library.download', ['id' => $this->getMediaId()]) : $this->getMedia()->storedAs;

// Replace the head content
        $javaScriptContent  = '<script type="text/javascript" src="' . $this->getResourceUrl('vendor/jquery-1.11.1.min.js') . '"></script>';
        $javaScriptContent .= '<script type="text/javascript" src="' . $this->getResourceUrl('vendor/pdfjs/pdf.js') . '"></script>';
        $javaScriptContent .= '<script type="text/javascript" src="' . $this->getResourceUrl('vendor/pdfjs/compatibility.js') . '"></script>';
        $javaScriptContent .= '<script type="text/javascript">';
        $javaScriptContent .= '   var options = ' . json_encode($options) . ';';
        $javaScriptContent .= '</script>';

$data['pdfWorkerSrc'] = $this->getResourceUrl('vendor/pdfjs/pdf.worker.js');

// Replace the Head Content with our generated javascript
        $data['javaScript'] = $javaScriptContent;

return $this->renderTemplate($data, 'get-resource-pdf');
    }

/** @inheritdoc */
    public function getCacheDuration()
    {
        // We have a long cache duration because this module doesn't rely on any external sources and we're just
        // creating some HTML.
        return 86400 * 365;
    }
}