<?php

namespace Krzysiej\RyobiCrawler\Controller;

use Krzysiej\RyobiCrawler\Models\Product;
use Symfony\Component\Cache\Adapter\FilesystemAdapter;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Attribute\Route;
use Twig\Error\LoaderError;
use Twig\Error\RuntimeError;
use Twig\Error\SyntaxError;

final class ProductController extends BaseController
{
    /**
     * @throws SyntaxError
     * @throws RuntimeError
     * @throws LoaderError
     */
    #[Route('/product/{productId<\d+>}', name: 'app_product')]
    public function __invoke(int $productId): Response
    {
        if($this->cache->getItem('product'.$productId)->isHit()) {
            return $this->render('product.html.twig', ['product' => ['id' => $productId]]);
        }

        $product = Product::with([
            'price' => fn($query) => $query->orderBy('created_at', 'desc'),
            'stock' => fn($query) => $query->orderBy('created_at', 'desc'),
        ])->find($productId);
        if (null === $product) {
            throw $this->createNotFoundException('Product not found');
        }
        $priceList = $product->price()->pluck('price');
        $stockList = $product->stock()->pluck('stock');
        $priceDates = $product->price()->pluck('created_at')->map(fn($date) => $date->format('Y-m-d'))->toArray();
        $stockDates = $product->stock()->pluck('created_at')->map(fn($date) => $date->format('Y-m-d'))->toArray();

        return $this->render('product.html.twig', [
            'product' => $product,
            'price_list' => $this->prepareChartData($priceDates, $priceList),
            'stock_list' => $this->prepareChartData($stockDates, $stockList),
            'price_dates' => implode("','", $priceDates),
        ]);
    }

    private function prepareChartData($set1, $set2): string
    {
        $data = [];
        foreach ($set1 as $key => $value) {
            $data[] = ['x' => $value, 'y' => $set2[$key]];
        }
        $stringData = json_encode($data);
        return str_replace(['"x"', '"y"'], ['x', 'y'], $stringData);
    }
}