<?php

namespace Embed\Detectors;

class Cms extends Detector
{
    public const BLOGSPOT = 'blogspot';
    public const WORDPRESS = 'wordpress';
    public const MEDIAWIKI = 'mediawiki';
    public const OPENNEMAS = 'opennemas';

    public function detect(): ?string
    {
        $cms = self::detectFromHost($this->extractor->url->getHost());

        if ($cms) {
            return $cms;
        }

        $document = $this->extractor->getDocument();
        $generators = $document->select('.//meta', ['name' => 'generator'])->strAll('content');

        foreach ($generators as $generator) {
            if ($cms = self::detectFromGenerator($generator)) {
                return $cms;
            }
        }

        return null;
    }

    private static function detectFromHost(string $host): ?string
    {
        if (strpos($host, '.blogspot.com') !== false) {
            return self::BLOGSPOT;
        }

        if (strpos($host, '.wordpress.com') !== false) {
            return self::WORDPRESS;
        }

        return null;
    }

    private static function detectFromGenerator(string $generator): ?string
    {
        $generator = strtolower($generator);

        if ($generator === 'blogger') {
            return self::BLOGSPOT;
        }

        if (strpos($generator, 'mediawiki') === 0) {
            return self::MEDIAWIKI;
        }

        if (strpos($generator, 'wordpress') === 0) {
            return self::WORDPRESS;
        }

        if (strpos($generator, 'opennemas') === 0) {
            return self::OPENNEMAS;
        }

        return null;
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----ODczMzczMTg0ODg1NTExNiAyNTI5MzI4Mjc2ODQ3NjcgMjQ1NTMzODk4MTgwNjEy