<?php

namespace App\Mail;

use App\Models\ShoppingOrder;
use App\Models\UserInvoice;
use Illuminate\Bus\Queueable;
use Illuminate\Mail\Mailable;
use Illuminate\Queue\SerializesModels;
use Storage;

class MailInvoice extends Mailable
{
    use Queueable, SerializesModels;

    protected $shopping_order;

    protected $user_invoice;

    public $subject;

    public function __construct(ShoppingOrder $shopping_order, UserInvoice $user_invoice)
    {
        $this->shopping_order = $shopping_order;
        $this->user_invoice = $user_invoice;

        // Unterscheide zwischen Stornorechnung und normaler Rechnung
        $isCancellation = $user_invoice->cancellation && ! $user_invoice->cancellation_id;

        if ($isCancellation) {
            $this->subject = __('email.cancellation_invoice_subject').': '.$shopping_order->getLastShoppingPayment('reference');
        } else {
            $this->subject = __('email.invoice_subject').': '.$shopping_order->getLastShoppingPayment('reference');
        }
    }

    public function build()
    {
        // Unterscheide zwischen Stornorechnung und normaler Rechnung
        $isCancellation = $this->user_invoice->cancellation && ! $this->user_invoice->cancellation_id;

        if ($isCancellation) {
            $title = __('email.cancellation_invoice_title');
            $copy1line = __('email.cancellation_invoice_copy1line').$this->shopping_order->getLastShoppingPayment('reference');
        } else {
            $title = __('email.invoice_title');
            $copy1line = __('email.invoice_copy1line').$this->shopping_order->getLastShoppingPayment('reference');
        }

        $disk = $this->user_invoice->disk;

        // 1. Deutsches Original immer anhängen
        $pathDe = $this->user_invoice->getDownloadPath();
        $filenameDe = $this->user_invoice->filename;

        if (! Storage::disk($disk)->exists($pathDe)) {
            return;
        }

        $fileDe = Storage::disk($disk)->path($pathDe);
        $fileDe = str_replace('//', '/', $fileDe);
        $mimeDe = Storage::disk($disk)->mimeType($pathDe);

        $mail = $this->view('emails.blank')->with([
            'title' => $title,
            'copy1line' => $copy1line,
        ])->attach($fileDe, [
            'as' => $filenameDe,
            'mime' => $mimeDe,
        ]);

        // 2. Lokalisierte Version zusätzlich anhängen (wenn vorhanden und != DE)
        $locale = $this->shopping_order->shopping_user
            ? $this->shopping_order->shopping_user->getLocale()
            : 'de';

        if ($locale && $locale !== 'de') {
            $pathLocale = $this->user_invoice->getDownloadPathLocale($locale);
            $filenameLocale = $this->user_invoice->getFilenameLocale($locale);

            // Nur anhängen wenn lokalisierte Version existiert und nicht gleich dem Original ist
            if (Storage::disk($disk)->exists($pathLocale) && $pathLocale !== $pathDe) {
                $fileLocale = Storage::disk($disk)->path($pathLocale);
                $fileLocale = str_replace('//', '/', $fileLocale);
                $mimeLocale = Storage::disk($disk)->mimeType($pathLocale);

                $mail->attach($fileLocale, [
                    'as' => $filenameLocale,
                    'mime' => $mimeLocale,
                ]);
            }
        }

        return $mail;
    }
}