<?php

namespace App\Services\User;

use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Auth;
use Jenssegers\Agent\Agent;

use App\Models\Session;

class SessionService
{
    /**
     * @return Collection<int, \stdClass>
     */
    public function fetchSessionLogs(Request $request): Collection
    {
        /** @var \App\Models\User $user */
        $user = Auth::user();

        /** @var Collection<int, Session> $sessions */
        $sessions = $user->sessions;

        return $sessions->map(function (Session $session) use ($request): \stdClass {
            $agent = $this->createAgent($session);

            /** @var \stdClass $obj */
            $obj = (object) [
                'agent' => [
                    'is_desktop' => $agent->isDesktop(),
                    'platform' => $agent->platform(),
                    'browser' => $agent->browser(),
                ],
                'ip_address' => $session->ip_address,
                'is_current_device' => $session->id === $request->session()->getId(),
                'last_active' => \Illuminate\Support\Facades\Date::createFromTimestamp((int) $session->last_activity)->diffForHumans(),
            ];

            return $obj;
        })->values();
    }

    protected function createAgent(Session $session): Agent
    {
        return tap(new Agent, function (Agent $agent) use ($session): void {
            $agent->setUserAgent($session->user_agent);
        });
    }
}