<?php

namespace App\Komma\Posts\Kms;

use App\Komma\Kms\Core\Attributes\Attribute;
use App\Komma\Kms\Core\Tree\NestedSets\Nodes\TreeModel;
use App\Komma\Kms\Core\Sections\SectionService;
use App\Komma\Kms\Core\Sections\SectionTabItem;
use App\Komma\Globalization\Languages\Models\Language;
use App\Komma\Posts\Models\Post;
use App\Komma\Sites\HasSitesInterface;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Collection as DatabaseCollection;


final class PostService extends SectionService
{
    protected $sortable = false;
    protected $orderBy = 'date';
    protected $orderReverse = true;

    function __construct()
    {
        $this->forModelName = Post::class;

        parent::__construct();
    }

    /**
     * This method will save an model
     *
     * @param $model Model or null
     * @param DatabaseCollection $sectionTabItems These must be filled with data. This is something you need to do yourself.
     *
     * @return mixed
     */
    public function saveModel(Model $model = null, DatabaseCollection $sectionTabItems): Model
    {
        /** @var TreeModel $model */
        //Process Page Specific attributes

//        dd($model);

        $sectionTabItems->each(function($sectionTabItem, $key) use($model) {
            /** @var SectionTabItem $sectionTabItem */

            $attribute = $sectionTabItem->getAttribute();

            $reference = $attribute->getsValueFromReference();
            switch ($attribute->getsValueFrom())
            {
                case Attribute::ValueFromTranslationModel;
                    /** @var Language $language */
                    $this->doAfterSave(function() use($attribute, $model, $reference) {
                        $language = $attribute->getAssociatedLanguage();
                        $translation = $this->getTranslationModelForModelByLanguage($model, $language);

                    if($reference == 'name')
                    {
                        $slug = $this->createOrGetUniqueSlug($translation, $attribute->getValue() );
                        $translation['slug'] = $slug;

                    }});
                    break;
                case Attribute::ValueFromItself;
                    if($reference == 'site_id') {
                        $this->doAfterSave(function () use($model, $sectionTabItem){
//                            $this->siteService->linkModelToSitesUsingIdCsvString($model, $sectionTabItem->getAttribute()->getValue());
                            $this->siteService->linkModelToSitesUsingIdCsvString($model, 1);
                        });
                    }
            }
        });

        $this->saveModelTranslations($model);

        $model = parent::saveModel($model, $sectionTabItems); //First make sure we have a model and save the attributes in them from the SectionTabItem attributes

        $sectionTabItems->each(function($sectionTabItem, $key) use($model) {
            /** @var SectionTabItem $sectionTabItem */

            $attribute = $sectionTabItem->getAttribute();

            $reference = $attribute->getsValueFromReference();
            switch ($attribute->getsValueFrom())
            {

                case Attribute::ValueFromItself:

                    if($reference =='category') {
                        $value = $attribute->getValue();
                        if(empty($value)) $model->category()->detach();
                        else $model->category()->sync([$value]);
                    }

                    break;
            }
        });

        //Return the page
        return $model;

    }

    /**
     * Fills non-post specific attributes. Post specific attributes are processed in the parent
     *
     * @param DatabaseCollection $sectionTabItems A collection containing implementations AbstractSectionTabItem's
     * @param Model $model
     * @return DatabaseCollection
     */
    public function fillAttributesWithData(DatabaseCollection $sectionTabItems, Model $model)
    {
        $filledAttributesCollection = parent::fillAttributesWithData($sectionTabItems, $model);

        $sectionTabItems->each(
            function ($sectionTabItem, $key) use ($model, $filledAttributesCollection, &$quantityDiscountAttribute, &$quantityPriceAttribute) {
                /** @var $sectionTabItem SectionTabItem */

                $attribute = $sectionTabItem->getAttribute();
                if (!is_a($attribute, Attribute::class)) throw new \InvalidArgumentException("One of the attributes in a AbstractSectionTabItem instance is not but must be an child instance of Attribute.");

                $valueReference = $sectionTabItem->getAttribute()->getsValueFromReference();
                switch ($valueReference) {
                    case 'site_id':
                        /** @var HasSitesInterface $model */
                        $idString = $this->siteService->getSiteIdsForModel($model);
                        if($idString) $attribute->setValue($idString);
                        break;

                    case 'category':
                        if($model->category->isEmpty()) $attribute->setValue('');
                        else $attribute->setValue($model->category->pluck('id')->toArray()[0]);
                        break;
                }
            }
        );

        return $filledAttributesCollection;
    }
}