<?php

namespace App\Repositories;


use App\Models\Product;
use App\Models\ProductAttribute;
use App\Models\ProductCategory;

class ProductRepository extends BaseRepository {


    public function __construct(Product $model)
    {
        $this->model = $model;
    }


    /**
     * refresh.
     */
    public function update($data)
    {

        $data['active'] = isset($data['active']) ? 1 : 0;


        if($data['id'] == "new"){
            $this->model = Product::create($data);
        }
        else{
            $this->model = $this->getById($data['id']);
            $this->model->fill($data);
            $this->model->save();
        }

        $this->updateCategories(isset($data['categories']) ? $data['categories'] : array());
        $this->updateAttributes(isset($data['attributes']) ? $data['attributes'] : array());

        return $this->model;
    }

    public function updateCategories($data = array())
    {
        foreach ($this->model->categories as $category) {
            if(($pos = array_search($category->category_id, $data)) !== FALSE){
                unset($data[$pos]);
            }else{
                $category->delete();
            }
        }
        //set attr
        if(is_array($data)){
            foreach ($data as $id) {
                ProductCategory::create([
                    'product_id' => $this->model->id,
                    'category_id' => $id,
                ]);
            }
        }
        return true;
    }

    public function updateAttributes($data = array())
    {
        foreach ($this->model->attributes as $attribute) {
            if(($pos = array_search($attribute->attribute_id, $data)) !== FALSE){
                unset($data[$pos]);
            }else{
                $attribute->delete();
            }
        }
        //set attr
        if(is_array($data)){
            foreach ($data as $id) {
                ProductAttribute::create([
                    'product_id' => $this->model->id,
                    'attribute_id' => $id,
                ]);
            }
        }
        return true;
    }


    public function delete()
    {

    }


}