<?php

namespace App\Http\Controllers;

use App\Http\Option;
use App\Models\Invoice;
use Barryvdh\DomPDF\Facade\Pdf;
use Illuminate\Http\Response;

class PdfController extends Controller
{
    /**
     * Return an invoice as download for the specified resource.
     */
    public function downloadInvoice(int $invoice_id): Response
    {
        return $this->buildInvoicePdf($invoice_id)->stream();
    }

    /**
     * Return a rendered pdf invoice as string to build an email attachment from it for the specified resource.
     */
    public function attachInvoice(int $invoice_id): string
    {
        return $this->buildInvoicePdf($invoice_id)->output();
    }

    /**
     * Render the pdf view for the given invoice.
     */
    protected function buildInvoicePdf(int $invoice_id): \Barryvdh\DomPDF\PDF
    {
        $invoice = Invoice::find($invoice_id);

        return Pdf::loadView('pdfs.invoice', ['invoice' => $invoice->load(['address', 'delivery']), 'options' => Option::optionsAsObject()]);
    }
}