<?php
/**
 * Short description for the file.
 *
 * @author      Komma <info@komma.pro>
 * @copyright   (c) 2012-2015, Komma Mediadesign
 */

namespace Komma\Kms\Posts;

use Carbon\Carbon;
use Illuminate\Support\Collection;
use Komma\Kms\Core\Entities\KmsHierarchicalListItemEntity;
use Komma\Kms\Core\Kms;
use Komma\Kms\Core\KmsRepository;
use Komma\Kms\Core\Routes\KmsRoute;
use Komma\Kms\Core\Routes\RoutableInterface;
use Komma\Kms\Core\Tree\Tree;
use Komma\Kms\Images\ImageRepository;

// Change these into new entity-type
use Komma\Kms\Images\ImageService;
use Komma\Kms\Languages\Language;
use Komma\Kms\Posts\Models\Post;
use Komma\Kms\Posts\Models\PostTranslation;

class PostRepository extends KmsRepository
{

    // Here are some variables repeated in this repository
    // These change for every type of entity

    // Namespace
    protected $namespace = 'Posts';
    // Tables
    protected $table = 'Posts';
    protected $tableTranslation = 'post_translations';
    protected $translationId = 'post_translation_id';
    protected $foreignKey = 'post_id';
    // Entities
    protected $entity = 'PostEntity';
    protected $entityTranslation = 'PostTranslationEntity';
    // Model-string
    protected $modelString = 'Post';
    protected $modelTranslationString = 'PostTranslation';


    //news or blog
    protected $type = 'blog';

    /**
     * @var Tree
     */
    protected $tree;

    /**
     * @var ImageRepository
     */
    private $imageRepository;

    /**
     * @var
     */
    private $model;

    /**
     * @var
     */
    private $modelTranslation;

    private $imageService;

    private $languages;

    /**
     * PostRepository constructor.
     * @param Kms $kms
     * @param Tree $tree
     * @param ImageService $imageService
     */
    function __construct(
        Kms $kms,
        Tree $tree,
        ImageService $imageService,
        Language $language
    )
    {
        parent::__construct($kms);
        $this->tree = $tree;
        $this->imageService = $imageService;
        $this->languages = $language;
    }

    public function newEntity()
    {
        $entity = new PostEntity();

        foreach ($this->kms->getCurrentLanguages() as $language)
        {
            $entity->addTranslationEntity(new PostTranslationEntity($language->id));
        }

        return $entity;
    }

    public function getEntity($id)
    {
        if($id == null) return $this->newEntity();

        $model = Post::find($id);


        if( ! $model) return false;

        $entity = new PostEntity($model->attributesToArray());

        $entity->parent_id = $model->getParentId();
        $entity->name = $model->name;

        $entity->images = $this->getImages($id, get_class($model));

        if($entity->images) $entity->thumbnail = $entity->images[0]['thumb_image_url'];

        foreach ($this->kms->getCurrentLanguages() as $language)
        {

            $languageTrans = PostTranslation::where('language_id', '=', $language->id)
                ->where('post_id', '=', $id)
                ->first();

            if( ! $languageTrans)
            {
                $entity->addTranslationEntity(
                    new PostTranslationEntity($language->id)
                );
                continue;
            };

            $entityTranslationString = 'Komma\Kms\\' . $this->namespace . '\\' . $this->entityTranslation;


            $route = $this->getRouteByTranslationId($languageTrans->id);
            if(isset($route))
            {
                //check if route starts with language string, if true remove it
                $languageString = $this->languages->find($languageTrans->language_id)->iso_2;
                if(substr($route->route, 0, 3) == $languageString . '/')
                {
                    $languageTrans->route = substr($route->route, 3);
                }
                else
                {
                    $languageTrans->route = $route->route;
                }
            }

            $entity->addTranslationEntity(
                new $entityTranslationString(
                    $languageTrans->language_id,
                    $languageTrans->attributesToArray()
                )
            );

        }

        return $entity;


    }

    public function getEntities()
    {
        $tree = $this->getEntitiesAsTree();
        $this->makeRootIfNotExists();

        return $tree;
    }

    public function getEntitiesAsTree($langId = null)
    {

        if($langId == null) $langId = $this->kms->getDefaultLanguageId();

        $records = \DB::table($this->table)
            ->select(
                $this->table . '.lft',
                $this->table . '.rgt',
                $this->table . '.id as id',

                $this->tableTranslation . '.id as ' . $this->translationId,
                $this->tableTranslation . '.name',
                $this->tableTranslation . '.sub_title',
                $this->tableTranslation . '.description',


                'images.thumb_image_url as thumbnail'
            )
            ->leftJoin(
                $this->tableTranslation,
                $this->table . '.id', '=', $this->tableTranslation . '.' . $this->foreignKey
            )
            ->leftJoin('images', function ($join)
            {
                $join->on($this->table . '.id', '=', 'images.imageble_id')
                    ->where('images.imageble_type', '=', 'Komma\Kms\\' . $this->namespace . '\Models\\' . $this->modelString);
            })
            ->where(function ($query) use ($langId)
            {
                $query->whereNull($this->tableTranslation . '.language_id')
                    ->orWhere($this->tableTranslation . '.language_id', '=', $langId);
            })
            ->orderBy($this->table . '.lft', 'asc')
            ->get();
        $categories = [];

        foreach ($records as $record)
        {
            $categories[] = new KmsHierarchicalListItemEntity((array)$record);
        }

        $tree = new Tree();
        $tree->make($categories);

        return $tree;
    }

    /**
     * @param $entity
     * @return mixed
     */
    public function saveEntity($entity)
    {

        $post = Post::firstOrNew(['id' => $entity->id]);

        if($post->id == null)
        {
            $post->makeLastChildOf(Post::where('lft', '=', 1)->first());
        }

        //Set the fields
        $post->active = $entity->active;
        $post->show_on_home = $entity->show_on_home;
        //Slugify the code_name, just o be safe
        $post->code_name = \Str::slug($entity->code_name);

        //if Date is not set, make it date today
        if($entity->date == null)
        {
            $post->date = Carbon::now();
        }
        else
        {
            if(isset($_POST['timepicker'])){
                $subTime = $_POST['timepicker'];
                $subTime = preg_replace('/\s+/', '', $subTime);
                $subTime .= ':00';
                $post->date = $entity->date->format('Y-m-d').' '.$subTime;
            }
            else{
                //add current time to string because datepicker only returns time
                $post->date = $entity->date->format('Y-m-d').' '.Carbon::now()->addHour()->format('H:i:s');
            }
        }

        $post->save();

        foreach ($entity->getTranslations() as $translation)
        {
            if(( ! isset($translation->name) || $translation->name == '') && ( ! isset($translation->sub_title) || $translation->sub_title == '') && ( ! isset($translation->meta_description) || $translation->meta_description == '') && ( ! isset($translation->description) || $translation->description == '[]'))
            {
                continue;
            }

            $postTranslation = PostTranslation::firstOrNew(['post_id' => $post->id, 'language_id' => $translation->getLanguageId()]);
            $postTranslation->name = $translation->name;
            $postTranslation->sub_title = $translation->sub_title;
            //$postTranslation->description = $translation->description;
            $postTranslation->meta_description = $translation->meta_description;

            $dps = \App::make('Komma\Kms\Core\Services\DynamicPageService');
            $description = $dps->prepareDynamicDescription(json_decode($translation->description), $post);
            $postTranslation->description = $description;

            $postTranslation->save();

            if($translation->id != null && $translation->route != 'blog/' && $translation->route != '')
            {
                if($this->kms->getCurrentLanguages()->count()> 1)
                {
                    $languageIso = $this->getLanguageIso($translation->getLanguageId());
                    $routeSting = $languageIso->iso_2 . '/' . $translation->route;
                }
                else{
                    $routeSting = $translation->route;
                }
                $this->saveRoute($postTranslation, $routeSting, $this->type . '/' . $post->id);
            }
            elseif($translation->name != '')
            {
                $route = $this->getBaseUrl($translation->getLanguageId()) . '/' . \Str::slug($postTranslation->name);
                $this->saveRoute($postTranslation, $route, $this->type . '/' . $post->id);
            }
        }

        //Link the images to this model
        $this->imageService->linkImagesToModel('images', $post);

        return $post;
    }


    public function getForSelect($languageId = null, $excludeId = null)
    {
        return [];
        $tree = $this->getEntitiesAsTree($languageId);
        if($excludeId) $tree->removeFromIndex((int)$excludeId);
        $entities = [];

        // QnD !!! Indexing trees per language (multiple queries)
        $treePerLanguage = [];
        foreach ($this->kms->getCurrentLanguages() as $language)
        {
            $treePerLanguage[$language->id] = $this->getEntitiesAsTree($language->id);
        }
        // End QnD !!!
        foreach ($tree->getIndex() as $record)
        {
            $entity = [];
            $entity['value'] = $record->node->id;

            // QnD !!! Getting the path from the indexed trees
            $paths = [];
            foreach ($this->kms->getCurrentLanguages() as $language)
            {
                $path = implode('/', $treePerLanguage[$language->id]->getEntityById($entity['value'])->getSlugPath());
                $paths[$language->id] = $path ? $path . '/' : '';
            }
            $entity['fullValue'] = json_encode($paths);
            // End QnD !!!

            $entity['content'] = $record->node->getName();
            if( ! $entity['content']) $entity['content'] = '\\';

            $indent = str_repeat('&nbsp;&nbsp;&nbsp;', $record->getDepth());
            $entity['htmlContent'] = $indent . $record->node->getName();
            if( ! $entity['htmlContent']) $entity['htmlContent'] = '\\';

            $entities[] = $entity;
        }

        return $entities;
    }

    protected function getProductCategoryIds($postId)
    {
        $records = \DB::table('post_categories')
            ->where('post_id', $postId)
            ->select('category_id as id')
            ->get();

        $ids = [];
        foreach ($records as $record)
        {
            $ids[] = $record->id;
        }

        return $ids;
    }

    public function getCategoriesForSelect()
    {
        $records = \DB::table('categories')
            ->leftJoin('category_translations', 'categories.id', '=', 'category_translations.category_id')
            ->orderBy('categories.lft', 'asc')
            ->select('categories.lft', 'categories.rgt', 'category_translations.name', 'categories.id as id', 'category_translations.id as category_translation_id')
            ->where('category_translations.name', '!=', 'null')
            ->get();

        $entities = [];

        foreach ($records as $record) {
            $entity = [];
            $entity['value'] = $record->id;
            $entity['fullValue'] = $record->id;
            $entity['content'] = $record->name;
            $entity['htmlContent'] = $record->name;
            $entities[] = $entity;
        }

        return $entities;

    }

    public function destroyEntity($id)
    {
        $entity = Post::find($id);
        foreach ($entity->translations()->get() as $translation)
        {
            $translation->routes()->delete();
        }
        $entity->delete();
    }

    public function getRouteByTranslationId($productId)
    {
        if($route = PostTranslation::find($productId))
        {
            return $route->routes()->first();
        }

        return null;
    }

    public function checkIfRouteExist($routeString, $notId = false, $routable = null)
    {
        //dd($routable);
        if( ! $notId) return \DB::table('routes')->where('route', $routeString)->exists();

        return \DB::table('routes')->where('routable_id', '!=', $notId)->where('route', $routeString)->exists();
    }

    protected function saveRoute(RoutableInterface $routable, $routeString, $restRoute = null)
    {
        $routeString = $this->makeRouteUnique($routable, $routeString);
        if($route = $this->getRouteByTranslationId($routable->id))
        {
            if($this->checkIfRouteExist($routeString, $routable->id, $routable)) $routeString .= '-' . Carbon::now()->timestamp;
            $route->route = $routeString;
            if($restRoute != null) $route->rest_route = $restRoute;
            $route->save();
        }
        else
        {
            if($this->checkIfRouteExist($routeString)) $routeString .= '-' . Carbon::now()->timestamp;
            $route = new KmsRoute([
                'route' => $routeString,
            ]);
            if($restRoute != null) $route->rest_route = $restRoute;
            $routable->routes()->save($route);
        }
    }

    protected function makeRootIfNotExists()
    {
        $model = \DB::table($this->table)
            ->where('lft', 1)
            ->first();
        if( ! $model)
        {
            $modelString = 'Komma\Kms\\' . $this->namespace . '\Models\\' . $this->modelString;
            $model = new $modelString;
            $model->makeRoot();
        }
    }

    public function makeRouteUnique($routeable, $route)
    {
        $routes = KmsRoute::where('route', '=', $route)
            ->Join('post_translations', 'routes.routable_id', '=', 'post_translations.id')
            ->where('post_translations.language_id', '=', $routeable->language_id)
            ->where(function ($query) use ($routeable)
            {
                $query->where('routable_id', '!=', $routeable->id);
                $query->where('routable_type', '==', get_class($routeable));
            })
            ->get();
        if($routes->count() == 0) return $route;

        return $this->makeRouteUnique($routeable, $route . '-1');
    }

    public function getBaseUrl($language)
    {
        //Lang toevoegen
        if( ! $route = KmsRoute::select('routes.*')
            ->where('routes.rest_route', '=', $this->type)
            ->Join('page_translations', 'routes.routable_id', '=', 'page_translations.id')
            ->where('page_translations.language_id', '=', $language)
            ->first()
        ) return '';


        return $route->route;
    }

    public function getLanguageIso($langId)
    {
        return Language::where('id', $langId)->first();
    }

}