<?php 
namespace App\Notifications;

use Illuminate\Bus\Queueable;
use Illuminate\Notifications\Notification;
use Illuminate\Notifications\Messages\MailMessage;

class EmailNotification extends Notification
{
    use Queueable;

    protected $message;
    protected $url;

    public function __construct($message, $url = null)
    {
        $this->message = $message;
        $this->url = $url;
    }

    public function via($notifiable)
    {
        return ['mail']; // Use 'mail' channel
    }

    public function toMail($notifiable)
    {
        $mailMessage = (new MailMessage)
            ->greeting('Hello!')
            ->line($this->message);

        if ($this->url) {
            $mailMessage->action('View Details', $this->url);
        }

        return $mailMessage->salutation('Regards, Your Application');
    }
}

?>