<?php

declare(strict_types=1);

namespace App\Komma\Shop\Invoicing;

use App\Komma\Globalization\RegionInfoInterface;
use App\Komma\Shop\Orders\Models\Order;

/**
 * Class InvoiceService
 */
class InvoiceService extends AbstractInvoicingService
{
    /** @var string the filesystem disk we use for storing invoices */
    protected const DISK = 'local';

    /** @var string the directory on the disk that contains the invoices */
    protected const DIRECTORY = 'order_documents'.DIRECTORY_SEPARATOR.'invoices'.DIRECTORY_SEPARATOR;

    /** @var string The name of the view that represents an invoice */
    protected const VIEWNAME = 'shop.pages.invoice.invoiceShow';

    /** @var string The column on an order that holds the number of the invoice */
    protected const NUMBER_COLUMN = 'invoice_number';

    /**
     * Returns the path to an invoice's pdf, that is relative to the disks directory
     *
     * @param Order $order
     * @param bool $generatePdfIfNeeded
     * @return string
     */
    public function getPDFPathFromOrder(Order $order, $generatePdfIfNeeded = false): string
    {
        if ($generatePdfIfNeeded && ! $this->getDisk()->exists($this->getPDFPathFromOrder($order))) {
            $this->generatePdfForOrder($order);
        }

        return self::DIRECTORY.$order->invoice_number.'_'.$order->updated_at->timestamp.'.pdf';
    }

    /**
     * @param Order $order
     * @return array
     */
    protected function getViewData(Order $order):array
    {
        //Make sure everything is loaded for what we'd like to display in the view
        $order->load([
            'customer',
            'orderedProducts.product.translations',
            'orderedGroups.productGroup.translations',
            'orderedProductComposites.orderedGroups.productGroup.translations',
            'orderedProductComposites.productComposite.translations',
        ]);

        $viewData = [];
        $viewData['rootUrl'] = request()->root();
        $viewData['order'] = $order;
        $viewData['showTotal'] = true;
        $viewData['regionInfo'] = app(RegionInfoInterface::class);

        return $viewData;
    }
}