<?php

namespace App\Providers;

use App\Models\AccessToken;
use App\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Gate;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\ServiceProvider;

class AuthServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        //
        $this->app->singleton('currentAccess', function() { return $this->getAccess(null); });
    }

    /**
     * Boot the authentication services for the application.
     *
     * @return void
     */
    public function boot()
    {
        // Here you may define how you wish users to be authenticated for your Lumen
        // application. The callback which receives the incoming request instance
        // should return either a User instance or null. You're free to obtain
        // the User instance via an API token or any other method necessary.

        $this->app['auth']->viaRequest('api', function (Request $request) {

           $accessToken = $this->getAccess($request);
            if($accessToken == null) {
                return null;
            }
            if(time() > strtotime($accessToken->expires_at)) {
                return null;
            }

            if($accessToken->status =! "active") {
                return null;
            }


            return $accessToken->getUser();
        });
    }

    private function getAccess(?Request $request) {
        $token = null;
        if(isset($_SESSION["token"])) {
            $token = $_SESSION["token"];
        }

        if(isset($_GET["access_token"])) {
            $token = $_GET["access_token"];
        }

        if(isset($_GET["token"])) {
            $token = $_GET["token"];
        }
        Log::debug("Request Header", getallheaders());
        if(!is_null($request)) {
            if($request->header("Authorization", false)) {
                $token = trim($request->header("Authorization"));
                $t = explode(" ", $token);
                $token = last($t);
            }
        } else {
            $headers = getallheaders();
            if(isset($headers["Authorization"])) {
                $token = trim($headers["Authorization"]);
                $t = explode(" ", $token);
                $token = last($t);
            }
            if(isset($headers["authorization"])) {
                $token = trim($headers["authorization"]);
                $t = explode(" ", $token);
                $token = last($t);
            }
        }


        if($token == null) {
            return null;
        }

        return AccessToken::query()->where("token", "=", $token)->first();
    }
}