// STRATEGIE 1: ULTIMATE wp_remote_get (optimiert basierend auf Erfolgsanalyse)
function strategy_wp_remote_ultimate($image_url, $micro_retry, $main_retry) {
    // Erweiterte User-Agent-Rotation
    $user_agents = [
        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
        'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
        'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
        'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/121.0',
        'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1 Safari/605.1.15',
        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Edge/120.0.0.0'
    ];
    
    $referrers = [
        'https://modelslab.com/',
        'https://www.google.com/',
        'https://www.bing.com/',
        'https://duckduckgo.com/',
        'https://github.com/',
        'https://stackoverflow.com/',
        'https://reddit.com/',
        'https://twitter.com/'
    ];
    
    // IP-Simulation erweitert
    $proxy_ips = [
        '8.8.8.8', '1.1.1.1', '208.67.222.222', '9.9.9.9',
        '76.76.19.19', '208.67.220.220', '1.0.0.1', '76.76.76.76'
    ];
    
    $args = [
        'timeout' => 180, // Noch längerer Timeout
        'user-agent' => $user_agents[($micro_retry + $main_retry) % count($user_agents)],
        'headers' => [
            'Accept' => 'image/webp,image/apng,image/*,*/*;q=0.8',
            'Accept-Language' => 'en-US,en;q=0.9,de;q=0.8,fr;q=0.7,es;q=0.6',
            'Accept-Encoding' => 'gzip, deflate, br',
            'Cache-Control' => 'no-cache',
            'Pragma' => 'no-cache',
            'Sec-Fetch-Dest' => 'image',
            'Sec-Fetch-Mode' => 'no-cors',
            'Sec-Fetch-Site' => 'cross-site',
            'Referer' => $referrers[($micro_retry + $main_retry) % count($referrers)],
            'Origin' => 'https://modelslab.com',
            'Connection' => 'keep-alive',
            'Upgrade-Insecure-Requests' => '1',
            'Sec-CH-UA' => '"Not_A Brand";v="8", "Chromium";v="120", "Google Chrome";v="120"',
            'Sec-CH-UA-Mobile' => '?0',
            'Sec-CH-UA-Platform' => '"Windows"'
        ],
        'sslverify' => false,
        'redirection' => 15, // Mehr Redirects
        'httpversion' => '1.1'
    ];

    // Erweiterte Header bei höheren Retries
    if ($micro_retry > 2 || $main_retry > 3) {
        $args['headers']['X-Requested-With'] = 'XMLHttpRequest';
        $args['headers']['DNT'] = '1';
        $args['headers']['X-Forwarded-For'] = $proxy_ips[($micro_retry + $main_retry) % count($proxy_ips)];
        $args['headers']['X-Real-IP'] = $proxy_ips[($micro_retry + $main_retry + 1) % count($proxy_ips)];
        $args['headers']['Via'] = '1.1 proxy' . rand(1, 999) . '.example.com';
        
        // Session-Simulation
        if ($main_retry > 5) {
            $args['headers']['Cookie'] = 'session_id=' . md5(time() . rand()) . '; csrf_token=' . md5(rand());
            $args['headers']['X-CSRF-Token'] = md5(time() . $micro_retry);
        }
    }

    $response = wp_remote_get($image_url, $args);
    
    if (is_wp_error($response)) {
        write_abschnitte_log_unique('ERROR', "[RSS-CRAWLER] wp_remote_get ULTIMATE Fehler (M{$micro_retry}/R{$main_retry}): " . $response->get_error_message());
        return false;
    }
    
    $response_code = wp_remote_retrieve_response_code($response);
    write_abschnitte_log_unique('INFO', "[RSS-CRAWLER] wp_remote_get ULTIMATE HTTP Code (M{$micro_retry}/R{$main_retry}): " . $response_code);
    
    if ($response_code === 200) {
        $body = wp_remote_retrieve_body($response);
        if ($body && strlen($body) >= 1000) {
            return $body;
        }
    }
    
    return false;
}

// STRATEGIE 2: ULTIMATE cURL (optimiert basierend auf Erfolgsanalyse)
function strategy_curl_ultimate($image_url, $micro_retry, $main_retry) {
    if (!function_exists('curl_init')) {
        return false;
    }
    
    $ch = curl_init();
    
    // Basis-Optionen
    curl_setopt_array($ch, [
        CURLOPT_URL => $image_url,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_MAXREDIRS => 15,
        CURLOPT_TIMEOUT => 180,
        CURLOPT_CONNECTTIMEOUT => 60,
        CURLOPT_SSL_VERIFYPEER => false,
        CURLOPT_SSL_VERIFYHOST => false,
        CURLOPT_ENCODING => 'gzip, deflate, br',
        CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
        CURLOPT_TCP_KEEPALIVE => 1,
        CURLOPT_TCP_KEEPIDLE => 120,
        CURLOPT_TCP_KEEPINTVL => 60
    ]);
    
    // Dynamische User-Agents (erweitert)
    $user_agents = [
        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
        'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
        'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/121.0',
        'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Edge/120.0.0.0',
        'curl/7.68.0'
    ];
    
    curl_setopt($ch, CURLOPT_USERAGENT, $user_agents[($micro_retry + $main_retry) % count($user_agents)]);
    
    // Headers mit verschiedenen Kombinationen (erweitert)
    $headers = [
        'Accept: image/webp,image/apng,image/*,*/*;q=0.8',
        'Accept-Language: en-US,en;q=0.9,de;q=0.8',
        'Cache-Control: no-cache',
        'Pragma: no-cache',
        'Sec-Fetch-Dest: image',
        'Sec-Fetch-Mode: no-cors',
        'Sec-Fetch-Site: cross-site',
        'Referer: https://modelslab.com/',
        'Origin: https://modelslab.com',
        'Connection: keep-alive'
    ];
    
    // Retry-spezifische Optionen (erweitert)
    if ($micro_retry > 2) {
        $headers[] = 'X-Forwarded-For: ' . rand(1, 255) . '.' . rand(1, 255) . '.' . rand(1, 255) . '.' . rand(1, 255);
        $headers[] = 'X-Real-IP: ' . rand(1, 255) . '.' . rand(1, 255) . '.' . rand(1, 255) . '.' . rand(1, 255);
        $headers[] = 'X-Requested-With: XMLHttpRequest';
        $headers[] = 'Via: 1.1 proxy' . rand(1, 999) . '.example.com';
        
        // Bei höheren Retries: Erweiterte Simulation
        if ($main_retry > 3) {
            $headers[] = 'Cookie: session_id=' . md5(time() . rand()) . '; csrf_token=' . md5(rand());
            $headers[] = 'X-CSRF-Token: ' . md5(time() . $micro_retry);
            $headers[] = 'Authorization: Bearer fake_token_' . rand(1000, 9999);
        }
        
        // Bei sehr hohen Retries: Aggressive Simulation
        if ($main_retry > 6) {
            curl_setopt($ch, CURLOPT_INTERFACE, '0.0.0.0'); // Interface switching
            curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
        }
    }
    
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    
    $image_data = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $curl_error = curl_error($ch);
    curl_close($ch);
    
    write_abschnitte_log_unique('INFO', "[RSS-CRAWLER] cURL ULTIMATE HTTP Code (M{$micro_retry}/R{$main_retry}): " . $http_code);
    
    if ($curl_error) {
        write_abschnitte_log_unique('ERROR', "[RSS-CRAWLER] cURL ULTIMATE Fehler (M{$micro_retry}/R{$main_retry}): " . $curl_error);
        return false;
    }
    
    if ($http_code === 200 && $image_data && strlen($image_data) >= 1000) {
        return $image_data;
    }
    
    return false;
}

// STRATEGIE 3: ULTIMATE file_get_contents (optimiert)
function strategy_file_get_contents_ultimate($image_url, $micro_retry, $main_retry) {
    $referrers = [
        'https://modelslab.com/',
        'https://www.google.com/',
        'https://www.bing.com/',
        'https://github.com/',
        'https://stackoverflow.com/',
        'https://reddit.com/',
        'https://twitter.com/',
        'https://facebook.com/'
    ];
    
    $user_agents = [
        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
        'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36',
        'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36',
        'curl/7.68.0',
        'Wget/1.20.3'
    ];
    
    $context = stream_context_create([
        'http' => [
            'method' => 'GET',
            'header' => "User-Agent: " . $user_agents[($micro_retry + $main_retry) % count($user_agents)] . "\r\n" .
                       "Accept: image/webp,image/apng,image/*,*/*;q=0.8\r\n" .
                       "Accept-Language: en-US,en;q=0.9,de;q=0.8\r\n" .
                       "Cache-Control: no-cache\r\n" .
                       "Connection: keep-alive\r\n" .
                       "Referer: " . $referrers[($micro_retry + $main_retry) % count($referrers)] . "\r\n" .
                       "Origin: https://modelslab.com\r\n" .
                       ($micro_retry > 2 ? "X-Forwarded-For: " . rand(1, 255) . "." . rand(1, 255) . "." . rand(1, 255) . "." . rand(1, 255) . "\r\n" : "") .
                       ($main_retry > 3 ? "Cookie: session_id=" . md5(time() . rand()) . "\r\n" : "") .
                       ($main_retry > 5 ? "Authorization: Bearer fake_token_" . rand(1000, 9999) . "\r\n" : ""),
            'timeout' => 180,
            'ignore_errors' => true,
            'follow_location' => true,
            'max_redirects' => 15
        ],
        'ssl' => [
            'verify_peer' => false,
            'verify_peer_name' => false,
            'allow_self_signed' => true
        ]
    ]);
    
    $image_data = @file_get_contents($image_url, false, $context);
    
    if ($image_data && strlen($image_data) >= 1000) {
        write_abschnitte_log_unique('SUCCESS', "[RSS-CRAWLER] file_get_contents ULTIMATE erfolgreich (M{$micro_retry}/R{$main_retry}, Größe: " . strlen($image_data) . ")");
        return $image_data;
    }
    
    write_abschnitte_log_unique('ERROR', "[RSS-CRAWLER] file_get_contents ULTIMATE fehlgeschlagen (M{$micro_retry}/R{$main_retry}, Größe: " . strlen($image_data) . ")");
    return false;
}

// STRATEGIE 4: Proxy-Simulation
function strategy_proxy_simulation($image_url, $micro_retry, $main_retry) {
    if (!function_exists('curl_init')) {
        return false;
    }
    
    // Simuliere verschiedene Proxy-Chains
    $proxy_chains = [
        '1.1.1.1:80',
        '8.8.8.8:80', 
        '208.67.222.222:80'
    ];
    
    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL => $image_url,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_TIMEOUT => 120,
        CURLOPT_SSL_VERIFYPEER => false,
        CURLOPT_USERAGENT => 'ProxyClient/1.0'
    ]);
    
    // Simuliere Proxy-Headers
    $headers = [
        'Via: 1.1 proxy' . rand(1, 999) . '.example.com',
        'X-Forwarded-For: ' . rand(1, 255) . '.' . rand(1, 255) . '.' . rand(1, 255) . '.' . rand(1, 255),
        'X-Real-IP: ' . rand(1, 255) . '.' . rand(1, 255) . '.' . rand(1, 255) . '.' . rand(1, 255),
        'X-Proxy-Authorization: Basic ' . base64_encode('user:pass'),
        'Accept: image/*'
    ];
    
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    
    $image_data = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    
    if ($http_code === 200 && $image_data && strlen($image_data) >= 1000) {
        write_abschnitte_log_unique('SUCCESS', "[RSS-CRAWLER] Proxy-Simulation erfolgreich (M{$micro_retry}/R{$main_retry}, Größe: " . strlen($image_data) . ")");
        return $image_data;
    }
    
    return false;
}

// STRATEGIE 5: Raw Socket (Fallback)
function strategy_raw_socket($image_url, $micro_retry, $main_retry) {
    $parsed = parse_url($image_url);
    if (!$parsed || !isset($parsed['host'])) {
        return false;
    }
    
    $host = $parsed['host'];
    $port = isset($parsed['port']) ? $parsed['port'] : 443;
    $path = isset($parsed['path']) ? $parsed['path'] : '/';
    if (isset($parsed['query'])) {
        $path .= '?' . $parsed['query'];
    }
    
    $fp = @fsockopen('ssl://' . $host, $port, $errno, $errstr, 30);
    if (!$fp) {
        return false;
    }
    
    $request = "GET {$path} HTTP/1.1\r\n";
    $request .= "Host: {$host}\r\n";
    $request .= "User-Agent: Mozilla/5.0 Raw Socket Client\r\n";
    $request .= "Accept: image/*\r\n";
    $request .= "Connection: close\r\n\r\n";
    
    fwrite($fp, $request);
    
    $response = '';
    while (!feof($fp)) {
        $response .= fgets($fp, 8192);
    }
    fclose($fp);
    
    // Parse HTTP response
    $parts = explode("\r\n\r\n", $response, 2);
    if (count($parts) == 2) {
        $body = $parts[1];
        if (strlen($body) >= 1000) {
            write_abschnitte_log_unique('SUCCESS', "[RSS-CRAWLER] Raw Socket erfolgreich (M{$micro_retry}/R{$main_retry}, Größe: " . strlen($body) . ")");
            return $body;
        }
    }
    
    return false;
}

// STRATEGIE 6: Alternative Endpoints (Letzte Hoffnung)
function strategy_alternative_endpoints($image_url, $micro_retry, $main_retry) {
    // Versuche verschiedene CDN/Proxy-Endpoints
    $alternative_urls = [
        str_replace('modelslab-bom.s3.amazonaws.com', 's3.amazonaws.com/modelslab-bom', $image_url),
        str_replace('https://', 'http://', $image_url),
        $image_url . '?cache_bust=' . time(),
        $image_url . '?v=' . rand(1, 9999)
    ];
    
    foreach ($alternative_urls as $alt_url) {
        $response = wp_remote_get($alt_url, [
            'timeout' => 60,
            'user-agent' => 'AlternativeEndpoint/1.0',
            'sslverify' => false
        ]);
        
        if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
            $body = wp_remote_retrieve_body($response);
            if ($body && strlen($body) >= 1000) {
                write_abschnitte_log_unique('SUCCESS', "[RSS-CRAWLER] Alternative Endpoint erfolgreich (M{$micro_retry}/R{$main_retry}, URL: {$alt_url}, Größe: " . strlen($body) . ")");
                return $body;
            }
        }
    }
    
    return false;
}<br />
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