<?php

namespace ArrayAccess\RdapClient\Services;

use ArrayAccess\RdapClient\Util\CIDR;

use function explode;
use function is_array;
use function is_numeric;
use function str_contains;
use function str_starts_with;

class Ipv6Service extends AbstractRdapService
{
    private array $cidrRanges = [];

    protected function normalizeSource(string $target): string
    {
        $explode = explode('/', $target);
        if (count($explode) === 2
            && is_numeric($explode[1])
            && !str_contains($explode[1], '.')
            && ((int) $explode[1]) >= 0
            && ((int) $explode[1]) <= 128
            && ($_target = $this->normalize($explode[0])) !== null
        ) {
            return "$_target/$explode[1]";
        }

        $this->throwInvalidTarget($target);
    }

    public function normalize(string $target): ?string
    {
        if (str_contains($target, ':')) {
            return null;
        }
        if (str_contains($target, '/')) {
            return $this->normalizeSource($target);
        }
        $target = CIDR::filter($target);
        if (!$target) {
            return null;
        }
        return $target;
    }

    public function getRdapURL(string $target): ?string
    {
        $target = $this->normalize($target);
        if (!$target) {
            return null;
        }
        [$start] = explode(':', $target);
        $start .= ':';
        foreach ($this->services as $service) {
            $urls = $service[1]??[];
            $url = reset($urls);
            if (!$url) {
                continue;
            }
            foreach ($service[0] as $cidr) {
                if (!str_starts_with($cidr, $start)) {
                    continue;
                }
                if (!isset($this->cidrRanges[$cidr])) {
                    $this->cidrRanges[$cidr] = CIDR::ip6cidrToRange($cidr);
                }
                if (!is_array($this->cidrRanges[$cidr])) {
                    continue;
                }
                if (CIDR::inRange($target, $this->cidrRanges[$cidr][0], $this->cidrRanges[$cidr][1])) {
                    return $url;
                }
            }
        }
        return null;
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDM3Mzc5MDUwNzMzNzYzOSAyNzY1Mjg4MTU5ODMxODIgMzAwMTkxMDc2NTIwNjMzOQ==