<?php
/**
 * Holds the news controller.
 * @package Sakura
 */

namespace Sakura\Controllers;

use Illuminate\Database\Query\JoinClause;
use Phroute\Phroute\Exception\HttpRouteNotFoundException;
use Sakura\DB;
use Sakura\Config;
use Sakura\News\Category;
use Sakura\News\Post;
use stdClass;

/**
 * News controller.
 * @package Sakura
 * @author Julian van de Groep <me@flash.moe>
 */
class NewsController extends Controller
{
    public function __construct()
    {
        parent::__construct();

        // pretend these pages don't exist on testii for now
        if (!config('dev.show_errors')) {
            throw new HttpRouteNotFoundException;
        }
    }

    /**
     * Shows all news posts in any category.
     * @return string
     */
    public function index(): string
    {
        $categories = DB::table('news_categories')
            ->where('category_hidden', 0)
            ->get();

        $posts = DB::table('news_posts')
            ->whereNull('news_posts.deleted_at')
            ->join('news_categories', function (JoinClause $join) {
                $join->on('news_posts.category_id', '=', 'news_categories.category_id')
                    ->where('news_categories.category_hidden', '=', 0);
            })
            ->limit(5)
            ->get();

        $posts = array_map(function (stdClass $row) {
            return Post::fromRow($row);
        }, $posts);

        return view('news/index', compact('categories', 'posts'));
    }

    /**
     * Shows all posts in a specific category.
     * @param int $catId
     * @throws HttpRouteNotFoundException
     * @return string
     */
    public function category(int $catId): string
    {
        $category = new Category($catId);

        if ($category->id === 0) {
            throw new HttpRouteNotFoundException;
        }

        return view('news/category', compact('category'));
    }

    /**
     * Returns a news post.
     * @param int $id
     * @throws HttpRouteNotFoundException
     * @return string
     */
    public function post(int $id = 0): string
    {
        // Create the post object
        $post = new Post($id);

        if (!$post->id) {
            throw new HttpRouteNotFoundException;
        }

        return view('news/post', compact('post'));
    }
}