<?php

namespace App\Mail;

use App\Komma\Composers\ApplyFormComposer;
use App\Komma\Documents\Kms\DocumentService;
use App\Komma\Documents\Kms\DocumentServiceInterface;
use App\Komma\Documents\Models\Document;
use Illuminate\Bus\Queueable;
use Illuminate\Mail\Mailable;
use Illuminate\Queue\SerializesModels;

class ApplyMail extends Mailable
{
    use Queueable, SerializesModels;

    protected $request;

    /**
     * @var DocumentServiceInterface
     */
    private $documentService;


    /**
     * @var \Illuminate\Support\Collection
     */
    private $documents;

    /**
     * Create a new message instance.
     *
     * @return void
     */
    public function __construct($request)
    {
        $this->request = $request;
        $this->documentService = app(DocumentServiceInterface::class);

        $this->setDocuments();

        // Textarea should be converted with nl2br
        if(isset($this->request['form_message'])) $this->request['form_message'] = nl2br($this->request['form_message']);
    }

    /**
     * Retrieves the uploaded documents.
     */
    private function setDocuments()
    {
        $documentsAttribute = ApplyFormComposer::documentsAttribute();
        $this->documents = $this->documentService->getDocumentsUsingAttributeKey($documentsAttribute->getKey());
    }

    /**
     * Build the message.
     *
     * @return $this
     */
    public function build()
    {
        //Remember: The documents will be deleted automatically by the housekeeper via the documentService. No need to delete them here.
        //Attach the uploaded documents to the mail
        foreach($this->documents as $document)
        {
            /** @var Document $document */
            $filePath = public_path($document->file_system_path);
            if(file_exists($filePath)) $this->attach($filePath);
        }

        return $this->view('emails.contact')
            ->subject(trans('site/email.contact.subject'))
            ->to(config('site.mailTo'))
            ->with(['request' => $this->request]);
    }
}