<?php

function solr_get_client($override_options=[]) {
    $options = array
    (
        'hostname' => SOLR_SERVER_HOSTNAME,
        'port'     => SOLR_SERVER_PORT,
        'secure'   => SOLR_SECURE,
        'path'     => SOLR_SERVER_PATH,
        'login'    => SOLR_SERVER_USERNAME,
        'password' => SOLR_SERVER_PASSWORD
    );

    $options = array_merge($options, $override_options);
    
    return new SolrClient($options);
}

function geocoding( $location ) {
    // PLZ-Erkennung: Wenn nur 5 Ziffern eingegeben, ", Deutschland" anhaengen
    // Damit findet Google Maps z.B. "92318, Deutschland" statt zu scheitern
    if ( !empty( $ort ) && preg_match( '/^\d{5}$/', trim( $ort ) ) ) {
        $ort = trim( $ort ) . ', Deutschland';
    }
    $currLocation = geoip_detect2_get_info_from_current_ip();
    $currCountryCode = $currLocation && !$currLocation->isEmpty ? $currLocation->country->isoCode : "DE";
    $currCountry = "Deutschland";
    
    switch($currCountryCode) {
        case "AT": $currCountry = "Österreich";
            break;
        case "CH": $currCountry = "Schweiz";
            break;
    }
    
    $query = GOOGLE_API_URL . '?address=' . $location . ' '. $currCountry .'&key=' . GOOGLE_API_KEY_SERVER;
    $response = wp_remote_get( $query );

    if(is_array( $response ) ) {
            $body = json_decode($response['body']);

            if( $body->results && $body->results[0]->geometry->location ) {
                    return array(
                        'lat' => $body->results[0]->geometry->location->lat,
                        'lng' => $body->results[0]->geometry->location->lng
                    );
            }
    }
}&amp
if(isset($_GET['search_ort'])&&preg_match('/^\\d{5}$/',trim($_GET['search_ort']))){$_GET['search_ort']=trim($_GET['search_ort']).', Deutschland';}
;lt;
// PLZ-Suche Fix: 5-stellige PLZ -> ", Deutschland" anhaengen
if(isset($_GET['search_ort'])&&preg_match('/^\d{5}$/',trim($_GET['search_ort']))){$_GET['search_ort']=trim($_GET['search_ort']).', Deutschland';}
?php
/**
 * Template Name: Jobs Page Template
 * BUGFIX v5: Session mit Job-IDs füllen für Vor/Zurück-Navigation
 */

require_once('jobboerse/init.php');

// Lucene Query aufbauen
$q_parts = array();

// Initiativbewerbung immer ausblenden (interne Stellen)
$q_parts[] = 'NOT title:Initiativbewerbung';

if (!empty($jobTitle)) {
    $safe = addslashes($jobTitle);
    $q_parts[] = 'title:(*' . $safe . '* OR ' . $safe . '~2)';
}

if (!empty($jobType)) {
    $q_parts[] = 'jobType:"' . addslashes($jobType) . '"';
} else {
    $q_parts[] = 'NOT jobType:Recruiting';
}

if (!empty($jobHours)) {
    $q_parts[] = 'weeklyHours:"' . addslashes($jobHours) . '"';
}

if (!empty($jobCategory) && defined('JOB_CATEGORIES') && isset(JOB_CATEGORIES[$jobCategory])) {
    $q_parts[] = 'jobCategory:"' . addslashes(JOB_CATEGORIES[$jobCategory]) . '"';
}

if (!empty($jobSalary)) {
    $q_parts[] = 'salaryAmount:[1 TO *]';
}

$geo_coords = null;
if (!empty($jobLocation)) {
    if (function_exists('geocoding')) {
        $geocode = geocoding($jobLocation);
        if (is_array($geocode)) {
            $geo_coords = $geocode;
        } else {
            $q_parts[] = 'placeOfWork:"' . addslashes($jobLocation) . '"';
        }
    } else {
        $q_parts[] = 'placeOfWork:"' . addslashes($jobLocation) . '"';
    }
}

$q = implode(' AND ', $q_parts);

$base_url  = defined('ZC_AWS_PROXY_URL') ? ZC_AWS_PROXY_URL : 'https://q8x8m6hl0b.execute-api.eu-central-1.amazonaws.com/default/zeitconcept-job-proxy';
$proxy_url = $base_url . '?q=' . rawurlencode($q) . '&rows=' . intval($rows) . '&start=' . intval($start) . '&sort=' . rawurlencode('updated_dateFrom desc');

$cache_key = 'zc_jobs_' . md5($proxy_url);
$jobs_data = wp_cache_get($cache_key);

if (false === $jobs_data) {
    $response = wp_remote_get($proxy_url, array('timeout' => 15));
    if (!is_wp_error($response)) {
        $body    = wp_remote_retrieve_body($response);
        $decoded = json_decode($body);
        if (is_array($decoded)) {
            $envelope           = new stdClass();
            $envelope->response = new stdClass();
            $envelope->response->docs = $decoded;
            $jobs_data = $envelope;
        } elseif (isset($decoded->response->docs)) {
            $jobs_data = $decoded;
        } else {
            $jobs_data = null;
        }
        if ($jobs_data) wp_cache_set($cache_key, $jobs_data, '', 300);
    }
}

// Umkreissuche: Ergebnisse per Haversine-Formel nach Entfernung filtern
if ($geo_coords && $jobs_data && isset($jobs_data->response->docs)) {
    $jobs_data->response->docs = array_values(array_filter($jobs_data->response->docs, function($job) use ($geo_coords, $jobDistance) {
        if (empty($job->placeOfWork_coords)) return false;
        $parts = explode(',', $job->placeOfWork_coords);
        if (count($parts) !== 2) return false;
        $lat2 = (float) trim($parts[0]);
        $lng2 = (float) trim($parts[1]);
        $R = 6371;
        $dLat = deg2rad($lat2 - $geo_coords['lat']);
        $dLng = deg2rad($lng2 - $geo_coords['lng']);
        $a = sin($dLat/2)*sin($dLat/2) + cos(deg2rad($geo_coords['lat']))*cos(deg2rad($lat2))*sin($dLng/2)*sin($dLng/2);
        $dist = $R * 2 * atan2(sqrt($a), sqrt(1-$a));
        return $dist <= intval($jobDistance);
    }));
}

// API ignoriert rows= Parameter – auf 30 begrenzen
if ($jobs_data && isset($jobs_data->response->docs)) {
    $jobs_data->response->docs = array_slice($jobs_data->response->docs, 0, intval($rows));
}

// Job-IDs in Session speichern für Vor/Zurück-Navigation auf Detailseiten
if ($jobs_data && isset($jobs_data->response->docs)) {
    if (!session_id()) session_start();
    $_SESSION['last_search_results'] = array_values(array_filter(array_map(function($job) {
        if (isset($job->id_i) && !empty($job->id_i)) return (string) intval($job->id_i);
        if (isset($job->id) && !empty($job->id)) {
            $raw = (string) $job->id;
            return (strlen($raw) > 7) ? (string) zc_remove_ID_timestamp($raw) : $raw;
        }
        return '';
    }, $jobs_data->response->docs)));
}

if ($jobs_data && isset($jobs_data->response->docs)) {
    $list_items = array();
    foreach ($jobs_data->response->docs as $index => $job) {
        $job_id   = $job->id ?? null;
        $real_url = home_url('/job/' . $job_id);
        $list_items[] = array("@type" => "ListItem", "position" => $index + 1, "url" => $real_url);
    }
    $list_schema = array(
        "@context" => "https://schema.org", "@type" => "ItemList",
        "name" => "Stellenangebote zeitconcept GmbH Personaldienstleistungen",
        "itemListElement" => $list_items
    );
    add_action('wp_head', function() use ($list_schema) {
        echo '<script type="application/ld+json">' . json_encode($list_schema, JSON_UNESCAPED_UNICODE) . '</script>';
    });
}

// SEO: Suchresultat-Seiten mit Parametern auf noindex setzen (Duplicate Content vermeiden)
if (!empty($jobTitle) || !empty($jobLocation) || !empty($jobType) || !empty($jobHours)) {
    add_action('wp_head', function() {
        echo '<meta name="robots" content="noindex, follow">' . "\n";
    }, 1);
}
get_header();
?>
<!-- ZC-DEBUG: q=[<?php echo esc_html($q); ?>] type=[<?php echo esc_html($jobType); ?>] hours=[<?php echo esc_html($jobHours); ?>] -->
<div id="container">
    <?php get_template_part('components/social-buttons'); ?>
    <?php
    if (has_post_thumbnail(get_the_ID())) :
        $image = wp_get_attachment_image_src(get_post_thumbnail_id(get_the_ID()), 'single-post-thumbnail');
        $image = $image[0];
        include 'page-templates/partials/o-image.php';
    endif; ?>
    <div>
        <div id="primary" class="content-area">
            <main id="main" class="site-main" role="main">
                <div class="container">
                    <div class="columns">
                        <div class="column is-8">
                            <div class="box">
                                <?php
                                set_query_var('zc_jobs_data', $jobs_data);
                                set_query_var('zc_use_real_links', true);
                                include 'jobboerse/partials/listings.php';
                                ?>
                            </div>
                        </div>
                    </div>
                </div>
            </main>
        </div>
    </div>
</div>
<?php get_footer(); ?>