<?php
/**
 * NOTICE OF LICENSE.
 *
 * UNIT3D Community Edition is open-sourced software licensed under the GNU Affero General Public License v3.0
 * The details is bundled with this project in the file LICENSE.txt.
 *
 * @project    UNIT3D Community Edition
 *
 * @author     HDVinnie <hdinnovations@protonmail.com>
 * @license    https://www.gnu.org/licenses/agpl-3.0.en.html/ GNU Affero General Public License v3.0
 */

namespace App\Http\Controllers;

use App\Models\Forum;
use App\Models\Post;
use App\Models\Topic;
use Illuminate\Http\Request;

/**
 * @see \Tests\Todo\Feature\Http\Controllers\Staff\ForumControllerTest
 */
class ForumController extends Controller
{
    /**
     * Show All Forums.
     */
    public function index(Request $request): \Illuminate\Contracts\View\Factory|\Illuminate\View\View
    {
        $user = $request->user();

        $categories = Forum::query()
            ->with(['forums' => fn ($query) => $query
                ->whereRelation('permissions', [['show_forum', '=', 1], ['group_id', '=', $user->group_id]])
            ])
            ->where('parent_id', '=', 0)
            ->whereRelation('permissions', [['show_forum', '=', 1], ['group_id', '=', $user->group_id]])
            ->orderBy('position')
            ->get();

        // Total Forums Count
        $numForums = Forum::count();
        // Total Posts Count
        $numPosts = Post::count();
        // Total Topics Count
        $numTopics = Topic::count();

        return view('forum.index', [
            'categories' => $categories,
            'num_posts'  => $numPosts,
            'num_forums' => $numForums,
            'num_topics' => $numTopics,
        ]);
    }

    /**
     * Show Forums And Topics Inside.
     */
    public function show(int $id): \Illuminate\Contracts\View\Factory|\Illuminate\View\View|\Illuminate\Http\RedirectResponse
    {
        // Find the topic
        $forum = Forum::findOrFail($id);

        // Check if this is a category or forum
        if ($forum->parent_id == 0) {
            return to_route('forums.categories.show', ['id' => $forum->id]);
        }

        // Check if the user has permission to view the forum
        if (! $forum->getPermission()->show_forum) {
            return to_route('forums.index')
                ->withErrors('You Do Not Have Access To This Forum!');
        }

        return view('forum.forum_topic.index', [
            'forum' => $forum,
        ]);
    }
}