<?php

namespace App\Services\Nas;

use App\Models\NasMikrotik;
use Throwable;

class MikrotikHealthService
{
    public function __construct(
        protected RouterOsApiService $routerOs,
        protected RadiusHealthService $radius,
    ) {}

    public function check(NasMikrotik $mikrotik): array
    {
        try {
            $result = $mikrotik->connection_type === 'radius'
                ? $this->radius->testConnection($mikrotik)
                : $this->routerOs->testConnection($mikrotik);
            $mikrotik->update([
                'connection_status' => 'online',
                'last_checked_at' => now(),
                'last_connected_at' => now(),
                'last_latency_ms' => $result['latency_ms'],
                'consecutive_failures' => 0,
                'router_identity' => $result['identity'] ?? null,
                'router_version' => $result['version'] ?? null,
                'health_details' => $result,
                'next_health_check_at' => now()->addMinutes(config('nas.health.online_interval_minutes', 5)),
                'last_connection_error' => null,
            ]);

            return $result;
        } catch (Throwable $exception) {
            $message = $exception instanceof \Illuminate\Validation\ValidationException
                ? collect($exception->errors())->flatten()->first()
                : $exception->getMessage();
            $failures = $mikrotik->consecutive_failures + 1;
            $mikrotik->update([
                'connection_status' => 'offline',
                'last_checked_at' => now(),
                'consecutive_failures' => $failures,
                'next_health_check_at' => now()->addMinutes(min(
                    config('nas.health.offline_max_interval_minutes', 30),
                    2 ** min($failures, 5)
                )),
                'health_details' => [
                    'connected' => false,
                    'host' => $mikrotik->host,
                    'api_port' => $mikrotik->connection_type === 'api' ? $mikrotik->api_port : null,
                    'auth_port' => $mikrotik->connection_type === 'radius' ? $mikrotik->radius_auth_port : null,
                    'accounting_port' => $mikrotik->connection_type === 'radius' ? $mikrotik->radius_accounting_port : null,
                ],
                'last_connection_error' => $message,
            ]);
            throw $exception;
        }
    }
}