<?php

namespace Opentalent\OtTemplating\ViewHelpers\Image;


use Opentalent\OtCore\Exception\ApiRequestException;
use Opentalent\OtCore\Service\OpentalentImageService;
use Opentalent\OtCore\ViewHelpers\OtAbstractViewHelper;

/**
 * Returns the url of the requested image
 *
 *     {namespace ot=Opentalent\OtTemplating\ViewHelpers}
 *
 *     {ot:getImageUrl(fileId: 123, size: 'md')}
 *
 * @see ot_core/Classes/Service/OpentalentImageService.php
 * @package Opentalent\OtTemplating\ViewHelpers
 */
class GetSrcByIdViewHelper extends OtAbstractViewHelper
{
    public OpentalentImageService $opentalentImageService;

    /**
     * @param OpentalentImageService $opentalentImageService
     * @return void
     */
    public function injectOpentalentImageService(OpentalentImageService $opentalentImageService)
    {
        $this->opentalentImageService = $opentalentImageService;
    }

    /**
     * -- This method is expected by Fluid --
     * Declares the viewhelper's parameters
     */
    public function initializeArguments()
    {
        $this->registerArgument(
            'fileId',
            'int',
            'The id of the File object',
            true
        );
        $this->registerArgument(
            'size',
            'string',
            'The expected size (sm, md, or lg)',
            false,
            'md'
        );
        $this->registerArgument(
            'default',
            'string',
            'The src of the image if the file is not found',
            false,
            ''
        );
    }

    /**
     * -- This method is expected by Fluid --
     * Renders the content as html
     *
     * @return string Rendered tag
     */
    public function render() {
        $fileId = $this->arguments['fileId'];
        $size = $this->arguments['size'];
        $default = $this->arguments['default'];

        try {
            return $this->opentalentImageService->getImageUrl($fileId, $size);
        } catch (ApiRequestException $e) {
            if ($e->getCode() === 404) {
                return $default;
            }
        }
    }

}