<?php
namespace App\References\Kms;


use Komma\KMS\Core\Attributes\Attribute;
use Komma\KMS\Core\Attributes\Models\SelectOptionInterface;
use Komma\KMS\Core\Tree\NestedSets\Nodes\TreeModel;
use Komma\KMS\Core\Sections\SectionService;
use Komma\KMS\Core\Sections\SectionTabItem;
use Komma\KMS\Globalization\Languages\Models\Language;
use App\References\Models\Reference;
use Komma\KMS\Sites\HasSiteInterface;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Support\Collection as BaseCollection;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Collection as DatabaseCollection;


final class ReferenceService extends SectionService
{
    protected $sortable = false;
    protected $orderReverse = true;

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

        parent::__construct();
    }

    /**
     * This method will save an model
     *
     * @param $model Model or null
     * @param Collection $sectionTabItems These must be filled with data. This is something you need to do yourself.
     *
     * @return mixed
     */
    public function saveModel(Model $model = null, Collection $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::ValueFromModel:
                    if($reference == 'parent_id') {
                        // Get parent_id of the input
                        $parentId = $attribute->getValue();
                        $parentPage = $model->find($parentId);

                        // Set default to false
                        $currentParentId = null;

                        // Check if model id isset so if it is a new model or not
                        // if true then get current parent_id
                        if($model->id) $currentParentId = $model->getParentId();

                        //Check if parent page is found, model isset and parent page id isn't the current parent id
                        if($parentPage && $model && $parentPage->id !== $currentParentId)
                        {
                            $model->makeLastChildOf($parentPage);
                        }

                        $attribute->mapValueFrom(Attribute::ValueFromItself, ''); //unset parent_id it so it won't get saved directly on the model in the parent_id field. The makeLastChildOf call above does save the parent id via lft rgt
                    } elseif($reference == 'code_name') {

                    }
                    break;
                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;
            }
        });

        $model->save(); //Save the page
        $this->siteService->linkModelToSiteWithId($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

        //Return the page
        return $model;
    }


    /**
     * Fills non-reference specific attributes. Reference 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;
                }
            }
        );

        return $filledAttributesCollection;
    }

    /**
     * @param bool $allowNullableSelectOption
     * @return BaseCollection
     */
    public function getOptionsForSelect(bool $allowNullableSelectOption = false): BaseCollection
    {

        $references = Reference::all();

        $selectOptions = collect();
        foreach ($references as $sidebarListItem) {

            /** @var SelectOptionInterface $selectOption */
            $selectOption = (\App::make(SelectOptionInterface::class))
                ->setContent($sidebarListItem->name)
                ->setHtmlContent($sidebarListItem->name)
                ->setValue($sidebarListItem->id);

            $selectOptions->push($selectOption);
        }
        return $selectOptions;
    }
}