<?php

namespace App\Notifications;

use App\Models\Transfer;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Notifications\Messages\MailMessage;
use Illuminate\Notifications\Notification;

class TransferOwnerGraceNotification extends Notification implements ShouldQueue
{
    use Queueable;

    public function __construct(
        private readonly Transfer $transfer,
        private readonly string $milestone,
    ) {}

    public function via(mixed $notifiable): array
    {
        return ['mail', 'database'];
    }

    public function toMail(mixed $notifiable): MailMessage
    {
        $transfer = $this->transfer->loadMissing(['files', 'qrCode']);

        return (new MailMessage())
            ->subject($this->subjectLine())
            ->view('mail.notifications.transfer-owner-grace', [
                'transfer' => $transfer,
                'milestone' => $this->milestone,
                'daysRemaining' => $this->daysRemaining(),
                'walletUrl' => 'https://'.config('app.account_domain', 'account.ladill.com').'/wallet',
                'transferUrl' => route('transfer.transfers.show', $transfer),
            ]);
    }

    public function toArray(mixed $notifiable): array
    {
        return [
            'title' => $this->headline(),
            'message' => $this->inAppMessage(),
            'icon' => 'transfer',
            'url' => route('transfer.transfers.show', $this->transfer),
        ];
    }

    private function subjectLine(): string
    {
        return match ($this->milestone) {
            'grace_entered' => "Payment needed: {$this->transfer->title} entered grace period",
            '1' => "Last day to save {$this->transfer->title} from deletion",
            '3' => "3 days left to save {$this->transfer->title}",
            '7' => "Reminder: {$this->transfer->title} will be deleted soon",
            default => "Transfer payment reminder: {$this->transfer->title}",
        };
    }

    private function headline(): string
    {
        return match ($this->milestone) {
            'grace_entered' => 'Transfer entered grace period',
            '1' => 'Files deleted tomorrow',
            default => 'Transfer deletion reminder',
        };
    }

    private function inAppMessage(): string
    {
        $title = $this->transfer->title;

        return match ($this->milestone) {
            'grace_entered' => "{$title} could not be renewed. Top up your wallet within the grace period to keep the files.",
            '1' => "{$title} will be deleted tomorrow unless your wallet is topped up.",
            default => "{$title} will be deleted in {$this->daysRemaining()} days unless payment is received.",
        };
    }

    private function daysRemaining(): ?int
    {
        if ($this->milestone === 'grace_entered') {
            return null;
        }

        return is_numeric($this->milestone) ? (int) $this->milestone : null;
    }
}