<?php

namespace App\Notifications;

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

class UptimeAlert extends Notification implements ShouldQueue
{
    use Queueable;

    /**
     * Create a new notification instance.
     */
    public function __construct(
        public Site $site,
        public ?int $statusCode,
        public ?int $responseTime
    ) {
    }

    /**
     * Get the notification's delivery channels.
     *
     * @return array<int, string>
     */
    public function via(object $notifiable): array
    {
        $preferences = $notifiable->notification_preferences ?? [];
        $channels = $preferences['uptime'] ?? ['mail'];

        return $channels;
    }

    /**
     * Get the mail representation of the notification.
     */
    public function toMail(object $notifiable): MailMessage
    {
        $status = $this->statusCode ? "returned HTTP {$this->statusCode}" : "is unreachable";

        return (new MailMessage)
            ->error()
            ->subject("⚠️ Site Down Alert: {$this->site->name}")
            ->line("Your site **{$this->site->name}** is experiencing downtime.")
            ->line("URL: {$this->site->url}")
            ->line("Status: {$status}")
            ->line("Response Time: " . ($this->responseTime ? "{$this->responseTime}ms" : "N/A"))
            ->line("Detected at: " . now()->format('Y-m-d H:i:s'))
            ->action('View Site Details', url("/sites/{$this->site->id}"))
            ->line('Please investigate the issue as soon as possible.');
    }

    /**
     * Get the array representation of the notification.
     *
     * @return array<string, mixed>
     */
    public function toArray(object $notifiable): array
    {
        return [
            'site_id' => $this->site->id,
            'site_name' => $this->site->name,
            'site_url' => $this->site->url,
            'status_code' => $this->statusCode,
            'response_time' => $this->responseTime,
        ];
    }
}