<?php

namespace Krzysiej\RyobiCrawler\Controller;

use Krzysiej\RyobiCrawler\Models\Product;
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
    {
        $product = Product::with([
            'price' => fn($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 = $product->price()->pluck('price', 'created_at')->mapWithKeys(fn($price, $createdAt) => [explode(' ', $createdAt)[0] => $price])->toArray();
        $stockList = $product->stock()->pluck('stock', 'created_at')->mapWithKeys(fn($stock, $createdAt) => [explode(' ', $createdAt)[0] => $stock])->toArray();

        ksort($stockList);
        ksort($priceList);

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

    private function prepareChartData($set1): string
    {
        $dates = $this->dateRange(array_key_first($set1), array_key_last($set1));
        $data = array_map(fn($date) => ['x' => $date, 'y' => $set1[$date] ?? null], $dates);
        $stringData = json_encode($data);

        return str_replace(['"x"', '"y"'], ['x', 'y'], $stringData);
    }

    private function dateRange($dateStart, $dateEnd): array
    {
        $from = new \DateTime($dateStart);
        $to = new \DateTime($dateEnd);
        $range = [];
        for ($date = clone $from; $date < $to; $date->modify('+1 day')) {
            $range[] = $date->format('Y-m-d');
        }

        return $range;
    }
}