<?php

namespace App\Komma\Posts;

use App\Http\Controllers\Controller;
use App\Komma\Components\ComponentService;
use App\Komma\Dynamic\ComponentType\ComponentTypes;
use App\Komma\Posts\Models\Post;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;

class PostController extends Controller
{
    private $postService;

    private $postPaginationKey = 'postPagination';

    public function __construct()
    {
        parent::__construct();
        $this->postService = \App::make(PostService::class);
    }

    public function mb_ucfirst($string, $encoding = 'UTF-8') {
        $firstChar = mb_substr($string, 0, 1, $encoding);
        $then = mb_substr($string, 1, mb_strlen($string, $encoding) - 1, $encoding);

        return mb_strtoupper($firstChar, $encoding).$then;
    }

    /**
     * @return \Illuminate\Contracts\View\View
     */
    public function index(string $category = '')
    {
        // Get the page through the set links
        $page = $this->links->posts->node;


        if(empty($category)) $category = __('postCategories.default');
        $filterArray = __('postCategories.categories');
        $filterKey = array_search(ucfirst($category), $filterArray);
        if($filterKey === 5) $filterKey = '';

        $posts = $this->postService->getAllPosts(true, 9, $filterKey);

        if(! empty($filterKey)) $posts->withPath('/'.$this->links->posts->route.'/'.$category);
        else $posts->withPath('/'.$this->links->posts->route.'/'.strtolower(__('postCategories.categories.5')));

        $this->keepTrackOfPagination($this->postPaginationKey);

        // Make language menu for index page
        $languageMenu = $this->pageService->makeLanguageSwitchForPage($this->links->posts, $this->links->home);

        // Return view
        return \View::make('site.templates.posts_index', [
            'page' => $page,
            'links' => $this->links,
            'posts' => $posts,
            'languageMenu' => $languageMenu,
            'currentCategory' => $category,
        ]);
    }

    /**
     * @param Post $post
     * @return \Illuminate\Contracts\View\View
     */
    public function show(Post $post)
    {
        // Load the needed relations
        $post->load('translation', 'translations', 'sites', 'images');

        if (app()->getLocale() != 'en' && $post->translation->populate_from_english) {
            $fallbackTranslation = $post->translations->where('language_id', 40)->first();
            $post->translation = $fallbackTranslation;
            $post->used_fallback_translation = true;
        }

        $this->checkIfModelShouldThrowAbort($post, BelongsToMany::class);

        // Get the page through the set links
        $page = $this->links->posts->node;

        $componentService = \App::make(ComponentService::class);
        $components = $componentService->getViewComponents($post->translation);

        //Legacy versie aanmaken als fallback
        //Knoppen als dynamic component maken
        // Insert actual component type id
        $showEndMenu = $components->where('type_id', ComponentTypes::ARTICLE_BUTTONS)->isEmpty();

        // Create previous route for better navigation UX
        $previousRoute = $this->createPreviousRoute($this->postPaginationKey, $this->links->posts->route);

        $otherPosts = $this->postService->getNextPosts($post);

        // Make language menu for found index page
        $languageMenu = $this->pageService->makeLanguageSwitchForPage($this->links->posts);
        $this->pageService->extendLanguageMenuWithResource($languageMenu, $post, $this->links->home);

        // Return view
        return \View::make('site.templates.posts_show', [
            'page' => $page,
            'post' => $post,
            'otherModels' => $otherPosts,
            'components' => $components,
            'showEndMenu' => $showEndMenu,
            'links' => $this->links,
            'previousRoute' => $previousRoute,
            'languageMenu' => $languageMenu,
        ]);
    }
}