<?php

namespace App\Controllers;

use App\Libraries\Blog as BlogLibrary;
use CodeIgniter\Exceptions\PageNotFoundException;
use Config\Blog as BlogConfig;

class Blog extends BaseController
{
 /**
 * @var BlogConfig
 */
 protected $config;

 /**
 * @var BlogLibrary
 */
 protected $blog;

 public function __construct()
 {
 $this->config = config(BlogConfig::class);
 $this->blog = new BlogLibrary();
 }

 /**
 * Displays posts based on date (reverse chronological order)
 */
 public function index()
 {
 echo $this->render('blog/list', [
 'posts' => $this->blog->getRecentPosts($this->config->perPage),
 ]);
 }

 /**
 * Displays posts based on category.
 */
 public function category(string $category)
 {
 echo $this->render('blog/list', [
 'posts' => $this->blog->getRecentPosts($this->config->perPage, 0, $category),
 'pageTitle' => "Category: {$category}",
 'category' => $category,
 ]);
 }

 /**
 * Displays a single post
 */
 public function post(string $slug)
 {
 $post = $this->blog->getPost($slug);

 if (empty($post)) {
 throw PageNotFoundException::forPageNotFound();
 }

 // Save a hit to this page. Will go simple for now and
 // just record every time someone refreshes the page
 // but at some point we might need to make it a little smarter.
 $this->blog->recordVisit($slug);

 echo $this->render('blog/single', [
 'post' => $this->blog->getPost($slug),
 'title' => $post->title ?? 'Some Post',
 ]);
 }
}