<?php

/**
 * This file is part of the Carbon package.
 *
 * (c) Brian Nesbitt <brian@nesbot.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

use Carbon\CarbonImmutable;

require_once __DIR__.'/vendor/autoload.php';

function getMaxHistoryMonthsByAmount($amount): int
{
    if ($amount >= 50) {
        return 6;
    }

    if ($amount >= 20) {
        return 4;
    }

    return 2;
}

function getHtmlAttribute($rawValue): string
{
    return str_replace(
        ['​', "\r"],
        '',
        trim(htmlspecialchars((string) $rawValue), "  \n\r\t\v\0"),
    );
}

function getOpenCollectiveSponsors(): string
{
    $customSponsorImages = [
        // For consistency and equity among sponsors, as of now, we kindly ask our sponsors
        // to provide an image having a width/height ratio between 1/1 and 2/1.
        // By default, we'll show the member picture from OpenCollective, and will resize it if bigger
        // int(OpenCollective.MemberId) => ImageURL
    ];

    $members = json_decode(file_get_contents('https://opencollective.com/carbon/members/all.json'), true);

    $list = array_filter($members, static function ($member): bool {
        return ($member['lastTransactionAmount'] > 3 || $member['isActive']) &&
            $member['role'] === 'BACKER' &&
            $member['type'] !== 'USER' &&
            (
                $member['totalAmountDonated'] > 100 ||
                $member['lastTransactionAt'] > CarbonImmutable::now()
                    ->subMonthsNoOverflow(getMaxHistoryMonthsByAmount($member['lastTransactionAmount']))
                    ->format('Y-m-d h:i') ||
                $member['isActive'] && $member['lastTransactionAmount'] >= 30
            );
    });

    $list = array_map(static function (array $member): array {
        $createdAt = CarbonImmutable::parse($member['createdAt']);
        $lastTransactionAt = CarbonImmutable::parse($member['lastTransactionAt']);

        if ($createdAt->format('d H:i:s.u') > $lastTransactionAt->format('d H:i:s.u')) {
            $createdAt = $createdAt
                ->setDay($lastTransactionAt->day)
                ->modify($lastTransactionAt->format('H:i:s.u'));
        }

        $monthlyContribution = (float) ($member['totalAmountDonated'] / ceil($createdAt->floatDiffInMonths()));

        if (
            $lastTransactionAt->isAfter('last month') &&
            $member['lastTransactionAmount'] > $monthlyContribution
        ) {
            $monthlyContribution = (float) $member['lastTransactionAmount'];
        }

        $yearlyContribution = (float) ($member['totalAmountDonated'] / max(1, $createdAt->floatDiffInYears()));
        $status = null;

        if ($monthlyContribution > 29) {
            $status = 'sponsor';
        } elseif ($monthlyContribution > 4.5 || $yearlyContribution > 29) {
            $status = 'backer';
        } elseif ($member['totalAmountDonated'] > 0) {
            $status = 'helper';
        }

        return array_merge($member, [
            'star' => ($monthlyContribution > 98 || $yearlyContribution > 500),
            'status' => $status,
            'monthlyContribution' => $monthlyContribution,
            'yearlyContribution' => $yearlyContribution,
        ]);
    }, $list);

    usort($list, static function (array $a, array $b): int {
        return ($b['monthlyContribution'] <=> $a['monthlyContribution'])
            ?: ($b['totalAmountDonated'] <=> $a['totalAmountDonated']);
    });

    return implode('', array_map(static function (array $member) use ($customSponsorImages): string {
        $href = htmlspecialchars($member['website'] ?? $member['profile']);
        $src = $customSponsorImages[$member['MemberId'] ?? ''] ?? $member['image'] ?? (strtr($member['profile'], ['https://opencollective.com/' => 'https://images.opencollective.com/']).'/avatar/256.png');
        [$x, $y] = @getimagesize($src) ?: [0, 0];
        $validImage = ($x && $y);
        $src = $validImage ? htmlspecialchars($src) : 'https://opencollective.com/static/images/default-guest-logo.svg';
        $height = $member['status'] === 'sponsor' ? 64 : 42;
        $width = min($height * 2, $validImage ? round($x * $height / $y) : $height);
        $href .= (strpos($href, '?') === false ? '?' : '&amp;').'utm_source=opencollective&amp;utm_medium=github&amp;utm_campaign=Carbon';
        $title = getHtmlAttribute(($member['description'] ?? null) ?: $member['name']);
        $alt = getHtmlAttribute($member['name']);

        return "\n".'<a title="'.$title.'" href="'.$href.'" target="_blank">'.
            '<img alt="'.$alt.'" src="'.$src.'" width="'.$width.'" height="'.$height.'">'.
            '</a>';
    }, $list))."\n";
}

file_put_contents('readme.md', preg_replace_callback(
    '/(<!-- <open-collective-sponsors> -->)[\s\S]+(<!-- <\/open-collective-sponsors> -->)/',
    static function (array $match): string {
        return $match[1].getOpenCollectiveSponsors().$match[2];
    },
    file_get_contents('readme.md')
));

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• [F] readme.md
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These technologies are integral to modern payment platforms, providing a robust defense against cyber threats. By implementing advanced encryption and tokenization techniques, businesses can enhance the security of digital transactions, ensuring that users' financial and personal information remains safe. This comprehensive approach not only builds user trust but also fortifies the overall security infrastructure of digital payment systems. As cyber threats evolve, the continued advancement of encryption and tokenization will be crucial in maintaining secure and reliable payment processes.

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• Payment