<?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:----ODcxOTE2NDMxNjUwMjc3NiA2NzQ0NDc4NTgzNjA0MzY3IDI1NjgxNTQ1MTQ2MTc3Mjg=