<?php

namespace App\Mail\ParticipantRefundMails;

use App\Models\EventParticipant;
use App\Models\ParticipantRefund;
use App\Support\Iban;
use Illuminate\Mail\Mailable;
use Illuminate\Mail\Mailables\Attachment;
use Illuminate\Mail\Mailables\Content;
use Illuminate\Mail\Mailables\Envelope;

/**
 * Bestätigt dem Teili die erfassten Angaben und liefert den Beleg als PDF mit.
 *
 * Der Beleg wird nicht hier erzeugt, sondern übergeben: er entsteht einmal in
 * {@see \App\Domains\ParticipantRefund\Actions\AcceptRefund\AcceptRefundCommand} und geht an beide
 * Empfänger. Scheitert die Erzeugung, geht die Mail ohne Anhang raus statt gar nicht.
 */
class RefundAcceptedMail extends Mailable
{
    public function __construct(
        private EventParticipant $participant,
        private ParticipantRefund $refund,
        private ?string $pdfContent = null,
        private ?string $pdfFilename = null,
    ) {
    }

    public function envelope(): Envelope
    {
        return new Envelope(
            subject: sprintf(
                'Deine Angaben zur Rückerstattung für %s',
                $this->participant->event()->first()->name
            ),
        );
    }

    public function content(): Content
    {
        $event = $this->participant->event()->first();

        return new Content(
            view: 'emails.events.refund_accepted',
            with: [
                'name' => $this->participant->getNicename(),
                'eventTitle' => $event->name,
                'eventEmail' => $event->email,
                'amount' => $this->refund->amount?->toString() ?? '0,00 Euro',
                'reason' => $this->refund->reasonLabel(),
                'accountOwner' => $this->refund->account_owner,
                'accountIban' => Iban::format((string) $this->refund->account_iban),
                'hasDocument' => $this->pdfContent !== null,
            ],
        );
    }

    /**
     * @return array<int, Attachment>
     */
    public function attachments(): array
    {
        if ($this->pdfContent === null) {
            return [];
        }

        return [
            Attachment::fromData(fn (): string => $this->pdfContent, $this->pdfFilename ?? 'Rueckerstattung.pdf')
                ->withMime('application/pdf'),
        ];
    }
}