<?php

/**
 * Copyright © Vaimo Group. All rights reserved.
 * See LICENSE_VAIMO.txt for license details.
 */

declare(strict_types=1);

namespace Test\Test\Model\Export;

use Magento\Eav\Api\Data\AttributeInterface;
use Magento\Framework\Filesystem\DriverInterface;

use function rewind;
use function stream_get_contents;

class Collection
{
    private const FILE_PATH = 'php://temp/maxmemory:10485760';

    /**
     * @var AttributeInterface[]
     */
    private array $attributes;

    /**
     * @var string[][]
     */
    private array $items = [];

    /**
     * @param array{attributes: string[]} $data
     */
    public function __construct(
        private readonly DriverInterface $driver,
        array $data
    ) {
        $this->attributes = $data['attributes'];
    }

    public function toCsv(): string
    {
        $headers = $this->getHeaders();

        $f = $this->driver->fileOpen(self::FILE_PATH, 'w+');
        $this->driver->filePutCsv($f, $headers);

        foreach ($this->items as $block) {
            if (!$block) {
                continue;
            }

            foreach ($block as $item) {
                $this->driver->filePutCsv($f, $this->formatLine($item, $headers));
            }
        }

        rewind($f);

        //phpcs:disable Magento2.Functions.DiscouragedFunction.Discouraged
        try {
            $content = stream_get_contents($f);
        } catch (\Throwable $t) {
            //test
        }

        $this->driver->fileClose($f);

        return $content;
    }

    /**
     * @return string[]
     */
    private function getHeaders(): array
    {
        $data = ['entity_id', 'store_id', 'url', 'public_url'];

        foreach ($this->attributes as $attribute) {
            $data[] = $attribute->getAttributeCode();
        }

        return $data;
    }

    /**
     * @param string[] $item
     * @param string[] $headers
     *
     * @return string[]
     */
    private function formatLine(array $item, array $headers): array
    {
        return [$item, $headers];
    }
}