<?php

namespace App\Notifications;

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

class PerformanceAlert extends Notification implements ShouldQueue
{
    use Queueable;

    /**
     * Create a new notification instance.
     */
    public function __construct(
        public string $resourceType,
        public string $resourceName,
        public int $responseTime,
        public int $threshold,
        public ?string $url = null,
        public ?int $resourceId = null
    ) {}

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

    /**
     * Get the mail representation of the notification.
     */
    public function toMail(object $notifiable): MailMessage
    {
        $subject = "Performance Alert: {$this->resourceName}";
        $percentageOver = round((($this->responseTime - $this->threshold) / $this->threshold) * 100);

        $message = (new MailMessage)
            ->subject($subject)
            ->warning()
            ->line("Performance threshold exceeded for {$this->resourceType}: {$this->resourceName}")
            ->line("Response time ({$this->responseTime}ms) exceeded the threshold of {$this->threshold}ms by {$percentageOver}%.")
            ->line("This could indicate a performance degradation or resource constraint.");

        $message->line("Response Time: {$this->responseTime}ms")
            ->line("Threshold: {$this->threshold}ms")
            ->line("Difference: " . ($this->responseTime - $this->threshold) . "ms");

        if ($this->url) {
            $message->line("URL: {$this->url}");
        }

        if ($this->resourceId) {
            $actionUrl = match($this->resourceType) {
                'Health Check' => url("/sites/{$this->resourceId}"),
                default => url('/dashboard'),
            };
            $message->action('View Details', $actionUrl);
        }

        return $message;
    }

    /**
     * Get the array representation of the notification.
     *
     * @return array<string, mixed>
     */
    public function toArray(object $notifiable): array
    {
        return [
            'type' => 'performance_alert',
            'resource_type' => $this->resourceType,
            'resource_name' => $this->resourceName,
            'resource_id' => $this->resourceId,
            'response_time_ms' => $this->responseTime,
            'threshold_ms' => $this->threshold,
            'difference_ms' => $this->responseTime - $this->threshold,
            'percentage_over' => round((($this->responseTime - $this->threshold) / $this->threshold) * 100, 2),
            'url' => $this->url,
        ];
    }
}