<?php

namespace App\Http\Controllers;

use App\Http\Option;
use App\Models\Invoice;
use Symfony\Component\HttpFoundation\StreamedResponse;

class EController extends Controller
{
    public function downloadInvoice(int $id): StreamedResponse
    {
        $invoice = Invoice::find($id);

        $taxes = [];
        foreach ($invoice->items as $item) {
            if (!isset($taxes[$item->tax])) {
                $taxes[$item->tax] = ['tax' => 0, 'taxable' => 0];
            }
            $taxes[$item->tax]['tax'] += round($item->price * $item->amount * $item->tax / 100, 2, PHP_ROUND_HALF_UP);
            $taxes[$item->tax]['taxable'] += $item->price * $item->amount;
         }

        return response()->streamDownload(function () use ($invoice, $taxes) {
            echo view('xml.invoice', ['invoice' => $invoice, 'options' => Option::optionsAsObject(), 'taxes' => $taxes]);
        }, 'test.xml', ['Content-Type' => 'application/xml']);

    }
}