<?php

declare(strict_types=1);

namespace App\Controllers;

use App\Libraries\Mongo;
use CodeIgniter\Controller;

class News extends Controller
{
    private const CATEGORIES = [
        ''           => 'All news',
        'deals'      => 'Deals',
        'bundles'    => 'Bundles',
        'freebies'   => 'Freebies',
        'giveaways'  => 'Giveaways',
        'subscriptions' => 'Subscriptions',
    ];

    public function index(string $cat = ''): string
    {
        if (! isset(self::CATEGORIES[$cat])) {
            throw \CodeIgniter\Exceptions\PageNotFoundException::forPageNotFound();
        }

        $filter = $cat !== '' ? ['category' => $cat] : [];

        $posts = Mongo::collection('news')
            ->find($filter, ['sort' => ['date' => -1], 'limit' => 40])
            ->toArray();

        $data = [
            'pageTitle' => 'Video game news — GG.deals',
            'posts'     => $posts,
            'cats'      => self::CATEGORIES,
            'active'    => $cat,
        ];

        return view('news', $data);
    }

    public function article(string $slug): string
    {
        $post = Mongo::collection('news')->findOne(['slug' => $slug]);
        if ($post === null) {
            throw \CodeIgniter\Exceptions\PageNotFoundException::forPageNotFound();
        }

        $related = Mongo::collection('news')
            ->find(
                ['slug' => ['$ne' => $slug], 'category' => $post['category']],
                ['sort' => ['date' => -1], 'limit' => 4]
            )
            ->toArray();

        $data = [
            'pageTitle' => $post['title'] . ' — GG.deals',
            'post'      => $post,
            'related'   => $related,
            'cats'      => self::CATEGORIES,
            'active'    => $post['category'],
        ];

        return view('news_article', $data);
    }
}