<?php
namespace ProVM\Common\Controller;

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use function Safe\json_decode;
use ProVM\Common\Implement\Controller\Json;
use ProVM\Common\Service\Attachments as Service;

class Attachments
{
    use Json;

    public function __invoke(ServerRequestInterface $request, ResponseInterface $response, Service $service): ResponseInterface
    {
        $attachments = array_map(function($attachment) {
            $attachment['original_attachment'] = $attachment['original_attachment']->getRealPath();
            if (isset($attachment['decrypted_attachment']) and $attachment['decrypted_attachment'] !== false) {
                $attachment['decrypted_attachment'] = $attachment['decrypted_attachment']->getRealPath();
            }
            return $attachment;
        }, $service->fetchFullAttachments());
        return $this->withJson($response, compact('attachments'));
    }
    protected function fileToArray(\SplFileInfo $info): array
    {
        return [
            'filename' => $info->getFilename(),
            'path' => $info->getPath(),
            'full_name' => $info->getRealPath(),
            'extension' => $info->getExtension()
        ];
    }
    public function get(ServerRequestInterface $request, ResponseInterface $response, Service $service): ResponseInterface
    {
        $body = $request->getBody()->getContents();
        $json = json_decode($body);
        if (!is_array($json)) {
            $json = [$json];
        }
        $output = ['input' => $json, 'attachments' => []];
        foreach ($json as $attachment) {
            $output['attachments'] []= $this->fileToArray($service->getAttachment($json->attachment));
        }
        return $this->withJson($response, $output);
    }
    public function decrypt(ServerRequestInterface $request, ResponseInterface $response, Service $service): ResponseInterface
    {
        $body = $request->getBody()->getContents();
        $json = json_decode($body);
        if (!is_array($json)) {
            $json = [$json];
        }
        $output = ['input' => $json, 'attachments' => []];
        foreach ($json as $attachment) {
            $output['attachments'] []= $this->fileToArray($service->removeEncryption($attachment));
        }
        return $this->withJson($response, $output);
    }
}