<?php

namespace App\Console\Commands;

use App\Models\Product;
use App\Models\ProductImage;
use App\Models\ProductReview;
use App\Models\Tag;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Str;

class GetProducts extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'app:get-products';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Get products from DummyJSON';

    /**
     * Execute the console command.
     */
    public function handle()
    {
        $url = 'https://dummyjson.com/products/search';
        $limit = 5;
        $skip = 0;
        $total = 0;

        do{
            $response = Http::retry(10, 15)
                ->get($url, ['q' => 'iphone', 'limit' => $limit, 'skip' => $skip]);
            if($response->successful()){
                $json = $response->json();
                $products = $response->json('products');
                $skip = $response->json('skip');
                $total = $response->json('total');

                $this->upsertProducts($products);


                $skip += $limit;
                $this->info('Received ' . count($products) . ' records');
            } else {
                $this->error('Error on HTTP request!');

            }
        } while($skip < $total);
        $this->info('Total: ' . $total);
    }

    protected function upsertProducts($products):void
    {
        foreach ($products as $product){

            $tags = $product['tags'];
            $reviews = $product['reviews'];
            $images = $product['images'];

            $product['width'] = $product['dimensions']['width'];
            $product['height'] = $product['dimensions']['height'];
            $product['depth'] = $product['dimensions']['depth'];
            $product['barcode'] = $product['meta']['barcode'];
            $product['qr_code'] = $product['meta']['qrCode'];

            unset($product['tags'], $product['reviews'], $product['images'], $product['dimensions'], $product['meta'] );


            $product = $this->arrayKeysCamelToSnake($product);
            Product::query()->updateOrInsert(['id' => $product['id']], $product);
            $p = Product::find($product['id']);

            // detach all tags and attach received
            $p->tags()->detach();
            $p->tags()->attach($this->getTagsIds($tags));

            // delete all reviews and create from received
            ProductReview::query()->where('product_id', '=', $p->id)->delete();
            foreach ($reviews as $review){
                $review['product_id'] = $p->id;
                ProductReview::query()->create($this->arrayKeysCamelToSnake($review));
            }

            ProductImage::query()->where('product_id', '=', $p->id)->delete();
            foreach ($images as $image){
                ProductImage::create(['product_id' => $p->id, 'url' => $image]);
            }


        }
    }

    protected function getTagsIds($tags):array
    {
        $ids = [];
        foreach ($tags as $tag){
            $t = Tag::query()->firstOrCreate(['name' => $tag]);
            $ids[] = $t->id;
        }
        return $ids;
    }

    protected function arrayKeysCamelToSnake($arr): array
    {
        $ret = [];
        foreach ($arr as $k => $v)
            $ret[Str::snake($k)] = $v;
        return $ret;
    }
}