<?php
namespace App\Komma\Departments\Kms;


use App\Komma\Kms\Core\Attributes\Attribute;
use App\Komma\Kms\Core\Attributes\Models\SelectOption;
use App\Komma\Kms\Core\Attributes\Models\SelectOptionInterface;
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\Departments\Models\Department;
use App\Komma\Sites\HasSitesInterface;
use App\Komma\Sites\Kms\SiteService;
use App\Komma\Sites\SiteServiceInterface;
use App\Komma\Users\Models\KmsUser;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Collection as DatabaseCollection;
use Illuminate\Support\Collection as BaseCollection;
use Illuminate\Support\Collection;


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

    function __construct()
    {
        $this->forModelName = Department::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 SiteService $siteService */
        $siteService = app(SiteServiceInterface::class);
        /** @var TreeModel $model */
        //Process Page Specific attributes

        if($model->id) $currentParentId = $model->getParentId();

        if($model->exists == false ) $model->makeLastChildOf($this->getRootModelForTree());
        else $model->save();

        $this->saveModelTranslations($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;
    }

    /**
     * @return BaseCollection containing SelectOptionInterface
     */
    public function getOptionsForAuthorSelect(): BaseCollection
    {
        $selectOptions = new Collection();
        $models = KmsUser::all();

        foreach ($models as $model) {
            /** @var Department $model */
            /** @var SelectOption $selectOption */
            $selectOption = (app(SelectOptionInterface::class))
                ->setContent($model->getDisplayName())
                ->setHtmlContent($model->getDisplayName())
                ->setValue($model->id);

            $selectOptions->push($selectOption);
        }

        return $selectOptions;
    }

    /**
     * Fills non-department specific attributes. Department 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;
    }
}