<?php

namespace App\Services\Qms;

use App\Models\Device;
use App\Models\Ticket;
use Illuminate\Support\Str;

class DeviceService
{
    public function findByToken(string $token): ?Device
    {
        return Device::query()
            ->where('device_token', $token)
            ->first();
    }

    public function recordHeartbeat(Device $device): void
    {
        $device->update([
            'status' => 'online',
            'last_online_at' => now(),
        ]);
    }

    public function markStaleOffline(int $minutes = 10): int
    {
        return Device::query()
            ->where('status', 'online')
            ->where(function ($q) use ($minutes) {
                $q->whereNull('last_online_at')
                    ->orWhere('last_online_at', '<', now()->subMinutes($minutes));
            })
            ->update(['status' => 'offline']);
    }

    public function generateToken(Device $device): string
    {
        $token = Str::random(48);
        $device->update(['device_token' => $token]);

        return $token;
    }
}