<?php

namespace coordParser;

use stdClass;

class CommimParser
{

    const URL = 'https://commim.spb.ru/Web/api/RealEstate/Realty';

    private function request(int $page = 0)
    {

        $data = [
            'page' => $page,
            'pageSize' => 20,
            'filter' => new stdClass(),
            'sortColumns' => [],
        ];

        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, self::URL);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($curl, CURLOPT_POST, true);
        curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($data));
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curl, CURLOPT_HTTPHEADER, [
            'User-Agent: PostmanRuntime/7.34.0',
            'Content-Type: application/json',
        ]);
        $response = curl_exec($curl);

        if (curl_errno($curl)) {
            echo 'Ошибка cURL: ' . curl_error($curl);
        }

        curl_close($curl);

        return $response;
    }

    public function getData(int $page = 0)
    {
        return json_decode($this->request($page));
    }

    public function parseData(): array
    {
        $table = [];

        $data = $this->getData();
        $count = $data->filtered;
        $offset = 20;
        print_r('Найдено: ' . $count . PHP_EOL);
        $totalPages = round($count / $offset);
        print_r('Всего страниц: ' . $totalPages . PHP_EOL);
        $page = 0;
        $items = $data->items;
        do {
            print_r('Страница: ' . $page . '/' . $totalPages . PHP_EOL);
            foreach ($items as $item) {
                $row = [];
                foreach ($item as $key => $value) {
                    $row[] = $value ?? ' ';
                }
                $table[] = $row;
            }
            $data = $this->getData(++$page);
            $items = $data->items;
        } while (!empty($items));

        return $table;
    }

}