<?php

namespace App\Controllers;

use App\Models\User;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Container\ContainerInterface;

class HomeController extends Controller
{
    public function index(Request $request, Response $response)
    {
        return view($response,'index.twig');
    }

    public function dashboard(Request $request, Response $response)
    {
        $userModel = new User($this->container->get('db'));
        $users = $userModel->getAllUsers();
        return view($response,'admin/dashboard/index.twig', compact('users'));
    }
    
    public function mode(Request $request, Response $response)
    {
        if ($_SESSION['_screen_mode'] == 'dark') {
            $_SESSION['_screen_mode'] = 'light';
        } else {
            $_SESSION['_screen_mode'] = 'dark';
        }
        $referer = $request->getHeaderLine('Referer');
        if (!empty($referer)) {
            return $response->withHeader('Location', $referer)->withStatus(302);
        }
        return $response->withHeader('Location', '/dashboard')->withStatus(302);
    }
    
    public function avatar(Request $request, Response $response)
    {
        $avatar = new \LasseRafn\InitialAvatarGenerator\InitialAvatar();
        $stream = $avatar->name($_SESSION['auth_username'])->length(2)->fontSize(0.5)->size(96)->background('#206bc4')->color('#fff')->generate()->stream('png', 100);
        $psr17Factory = new \Nyholm\Psr7\Factory\Psr17Factory();
        $psrResponse = $psr17Factory->createResponse(200)->withBody($stream);

        return $psrResponse;
    }

    public function lang(Request $request, Response $response)
    {
        $data = $request->getQueryParams();
        if (!empty($data)) {
            $_SESSION['_lang'] = array_key_first($data);
        } else {
            unset($_SESSION['_lang']);
        }
        $referer = $request->getHeaderLine('Referer');
        if (!empty($referer)) {
            return $response->withHeader('Location', $referer)->withStatus(302);
        }
        return $response->withHeader('Location', '/dashboard')->withStatus(302);
    }
}