<?php

namespace App\Controllers\Facets;

use Hleb\Constructor\Handlers\Request;
use App\Controllers\Controller;
use App\Models\User\UserModel;
use App\Models\{FacetModel, PostModel};
use Validation, UploadImage, Meta, Html, UserData;

class EditFacetController extends Controller
{
    // Форма редактирования Topic or Blog
    public function index($type)
    {
        $facet_id   = Request::getInt('id');
        $facet      = FacetModel::getFacet($facet_id, 'id', $type);
        Html::pageError404($facet);

        // Доступ получает только автор и админ
        if ($facet['facet_user_id'] != $this->user['id'] && !UserData::checkAdmin()) {
            redirect('/');
        }

        Request::getResources()->addBottomScript('/assets/js/uploads.js');
        Request::getResources()->addBottomStyles('/assets/js/tag/tagify.css');
        Request::getResources()->addBottomScript('/assets/js/tag/tagify.min.js');

        return $this->render(
            '/facets/edit',
            [
                'meta'  => Meta::get(__('app.edit') . ' | ' . $facet['facet_title']),
                'data'  => [
                    'facet'             => $facet,
                    'low_matching'      => FacetModel::getLowMatching($facet['facet_id']),
                    'high_matching'     => FacetModel::getHighMatching($facet['facet_id']),
                    'post_arr'          => PostModel::postRelated($facet['facet_post_related']),
                    'high_arr'          => FacetModel::getHighLevelList($facet['facet_id']),
                    'low_arr'           => FacetModel::getLowLevelList($facet['facet_id']),
                    'user'              => UserModel::getUser($facet['facet_user_id'], 'id'),
                    'sheet'             => $facet['facet_type'] . 's',
                    'type'              => $type,
                ]
            ]
        );
    }

    public function change()
    {
        $data = Request::getPost();
 
        // Хакинг формы (тип фасета)
        // ['topic', 'blog', 'category', 'section']
        if (!in_array($data['facet_type'], config('facets.permitted'))) {
            return json_encode(['error' => 'redirect', 'text' => __('msg.went_wrong')]);
        }

        // Получим массив данных существующего фасета и проверим его наличие
        $facet = FacetModel::uniqueById((int)$data['facet_id'] ?? 0);
        if ($facet == false) {
             return json_encode(['error' => 'redirect', 'text' => __('msg.went_wrong')]);
        }

        // Доступ получает только автор и админ
        if ($facet['facet_user_id'] != $this->user['id'] && !UserData::checkAdmin()) {
            return json_encode(['error' => 'redirect', 'text' => __('msg.went_wrong')]);
        }

        // Изменять тип темы может только персонал
        $new_type = $facet['facet_type'];
        if ($data['facet_type'] != $facet['facet_type']) {
            if (UserData::checkAdmin()) $new_type = $data['facet_type'];
        }

        // Проверка длины
        if (!Validation::length($data['facet_title'], 3, 64)) {
            return json_encode(['error' => 'error', 'text' => __('msg.string_length', ['name' => '«' . __('msg.title') . '»'])]);
        }
        
        if (!Validation::length($data['facet_description'], 34, 225)) {
            return json_encode(['error' => 'error', 'text' => __('msg.string_length', ['name' => '«' . __('msg.meta_description') . '»'])]);
        }
        
        if (!Validation::length($data['facet_short_description'], 9, 225)) {
            return json_encode(['error' => 'error', 'text' => __('msg.string_length', ['name' => '«' . __('msg.short_description') . '»'])]);
        }
        
        if (!Validation::length($data['facet_seo_title'], 4, 225)) {
            return json_encode(['error' => 'error', 'text' => __('msg.string_length', ['name' => '«' . __('msg.slug') . '»'])]);
        }  

        if (!Validation::length($data['facet_info'], 14, 5000)) {
            return json_encode(['error' => 'error', 'text' => __('msg.string_length', ['name' => '«' . __('msg.info') . '»'])]);
        }  

        // Slug
        if (!Validation::length($data['facet_slug'], 3, 43)) {
            return json_encode(['error' => 'error', 'text' => __('msg.string_length', ['name' => '«' . __('msg.slug') . '»'])]);
        }   

        if (!preg_match('/^[a-zA-Z0-9-]+$/u', $data['facet_slug'])) {
            return json_encode(['error' => 'error', 'text' => __('msg.slug_correctness', ['name' => '«' . __('msg.slug') . '»'])]);
        }

        if (preg_match('/\s/', $data['facet_slug']) || strpos($data['facet_slug'], ' ')) {
            return json_encode(['error' => 'error', 'text' => __('msg.url_gaps')]);
        }

        // Запишем img
        $check_img  = $_FILES['images']['name'] ?? null;
        if ($check_img) {
            $img = $_FILES['images'];
            UploadImage::img($img, $facet['facet_id'], 'topic');
        }

        // Баннер
        $check_cover    = $_FILES['cover']['name'] ?? null;
        if ($check_cover) {
            $cover      = $_FILES['cover'];
            UploadImage::cover($cover, $facet['facet_id'], 'blog');
        }

        // Если есть смена post_user_id и это TL5
        $user_new  = Request::getPost('user_id');
        $facet_user_new = json_decode($user_new, true);
        $facet_user_id = $facet['facet_user_id'];
        if ($facet['facet_user_id'] != $facet_user_new[0]['id']) {
            if (UserData::checkAdmin()) {
                $facet_user_id = $facet_user_new[0]['id'];
            }
        }

        // Проверим повтор URL                       
        if ($data['facet_slug'] != $facet['facet_slug']) {
            if (FacetModel::uniqueSlug($data['facet_slug'], $new_type)) {
                return json_encode(['error' => 'error', 'text' => __('msg.repeat_url')]);
            }
        }

        $fields = Request::getPost() ?? [];

        // Связанные посты
        $arr_post  = $fields['post_select'] ?? [];
        if (!empty($arr_post)) {
            $arr_post   = json_decode($arr_post, true);
            foreach ($arr_post as $value) {
                $id[]   = $value['id'];
            }
        }
        $post_related = implode(',', $id ?? []);
        $facet_slug = strtolower($data['facet_slug']);

        FacetModel::edit(
            [
                'facet_id'                  => $data['facet_id'],
                'facet_title'               => $data['facet_title'],
                'facet_description'         => $data['facet_description'],
                'facet_short_description'   => $data['facet_short_description'],
                'facet_info'                => $data['facet_info'],
                'facet_slug'                => $facet_slug,
                'facet_seo_title'           => $data['facet_seo_title'],
                'facet_user_id'             => $facet_user_id,
                'facet_tl'                  => $data['facet_tl'] ?? 0,
                'facet_top_level'           => $data['facet_top_level'] ?? 0,
                'facet_post_related'        => $post_related,
                'facet_type'                => $new_type,
            ]
        );

        // Тема, выбор детей в дереве
        $highs  = $fields['high_facet_id'] ?? [];
        if ($highs) {
            $high_facet = json_decode($highs, true);
            $high_arr = $high_facet ?? [];

            FacetModel::addLowFacetRelation($high_arr, $data['facet_id']);
        }

        // Связанные темы, дети 
        $matching = $fields['facet_matching'] ?? [];
        if ($matching) {
            $match_facet    = json_decode($matching, true);
            $match_arr      = $match_facet ?? [];

            FacetModel::addLowFacetMatching($match_arr, $data['facet_id']);
        }

        return true;
    }

    public function pages()
    {
        $facet_id   = Request::getInt('id');

        $facet      = FacetModel::getFacet($facet_id, 'id', 'blog');
        Html::pageError404($facet);

        // Доступ получает только автор и админ
        if ($facet['facet_user_id'] != $this->user['id'] && !UserData::checkAdmin()) {
            redirect('/');
        }

        return $this->render(
            '/facets/edit-pages',
            [
                'meta'  => Meta::get(__('app.edit') . ' | ' . $facet['facet_title']),
                'data'  => [
                    'facet' => $facet,
                    'pages' => (new \App\Controllers\Post\PostController())->last($facet['facet_id']),
                    'sheet' => $facet['facet_type'] . 's',
                    'type'  => 'pages',
                ]
            ]
        );
    }
}