<?php
namespace App\KommaApp\Products\Kms;


use App\Helpers\KommaHelpers;
use App\KommaApp\Routes\Models\Route;
use App\KommaApp\Documents\Kms\DocumentableInterface;
use App\KommaApp\Products\Models\ProductTranslation;
use App\KommaApp\Kms\Core\AbstractTranslatableModel;
use App\KommaApp\Kms\Core\Attributes\Attribute;
use App\KommaApp\Kms\Core\Attributes\Models\SelectOptionInterface;
use App\KommaApp\Kms\Core\HasRoutesInterface;
use App\KommaApp\Kms\Core\NestedSets\Nodes\TreeModel;
use App\KommaApp\Kms\Core\NestedSets\Nodes\TreeModelInterface;
use App\KommaApp\Kms\Core\Sections\SectionService;
use App\KommaApp\Kms\Core\Sections\SectionTabItem;
use App\KommaApp\Kms\SidebarListItem;
use App\KommaApp\Languages\Models\Language;
use App\KommaApp\Products\Models\Product;
use App\KommaApp\Sites\HasSitesInterface;
use App\KommaApp\WeFact\WeFactAPI;
use Carbon\Carbon;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Collection as BaseCollection;

class ProductService extends SectionService
{
    protected $sortable = false;
    protected $orderByDisplayName = true;

    function __construct()
    {
        $this->forModelName = Product::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 Product Specific 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 == 'site_name'){
                        $model->site_id = $this->siteService->getCurrentSite()->id;
                    }
                    break;
            }
        });

        $model->save(); //Save the product
        $model = parent::saveModel($model, $sectionTabItems); //First make sure we have a model and save the attributes in them from the SectionTabItem attributes
        $this->siteService->linkModelToCurrentSite($model);

        $model->price = '€ ' . number_format(WeFactAPI::convertPriceInclToExcl($model->price_amount, $model->vat_amount), 2, ',', '.');
        $model->save();

        // Create the slug for each translation
        foreach($model->translations as $translation){
            if(!$translation->exists) continue;
            $translation->slug = $this->createOrGetUniqueSlug($translation, $translation->name);
            $translation->save();
        }

        //Return the product
        return $model;
    }

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

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

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

                $valueReference = $sectionTabItem->getAttribute()->getsValueFromReference();
                switch ($valueReference) {
                    case 'site_name':
                        $site = $this->siteService->getCurrentSite();
                        $attribute->setValue($site->name);
                        break;
                    case 'wefact_code':
                        $attribute->setValue($model->wefact_code);
                        break;
                    case 'slug':
                        if(isset($model->translation)) {
                            $route = Route::where('route', 'products')
                                ->where('language_id', $model->translation->language_id)
                                ->first();

                            if(!isset($route)) $attribute->setValue('Geen bijbehorende pagina gevonden.');
                            else $attribute->setValue(  '/' . $route->alias . '/' . $model->translation->slug);
                        }
                        else $attribute->setValue('Wordt aangemaakt bij opslag.');
                        break;
                }
            }
        );

        return $filledAttributesCollection;
    }

}