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\f0\fs24 \cf0 <?php\
/**\
 * Plugin Name:       AI SEO Optimizer\
 * Description:       Evaluates & improves SEO using Google 2026 + AI guidelines (E-E-A-T, Helpful Content, AI Overviews).\
 * Version:           1.2.0\
 * Author:            Grok (built for you)\
 * Text Domain:       ai-seo-optimizer\
 */\
\
if (!defined('ABSPATH')) exit;\
\
// ============== SETTINGS PAGE ==============\
add_action('admin_menu', function() \{\
    add_options_page('AI SEO Optimizer', 'AI SEO Optimizer', 'manage_options', 'ai-seo-optimizer', 'ai_seo_settings_page');\
\});\
\
function ai_seo_settings_page() \{\
    if (isset($_POST['ai_seo_api_key'])) \{\
        update_option('ai_seo_openai_key', sanitize_text_field($_POST['ai_seo_api_key']));\
        update_option('ai_seo_model', sanitize_text_field($_POST['ai_seo_model']));\
        echo '<div class="updated"><p>\uc0\u9989  Settings saved.</p></div>';\
    \}\
    $key = get_option('ai_seo_openai_key');\
    $model = get_option('ai_seo_model', 'gpt-4o-mini');\
    ?>\
    <div class="wrap">\
        <h1>AI SEO Optimizer Settings</h1>\
        <form method="post">\
            <table class="form-table">\
                <tr>\
                    <th>OpenAI API Key</th>\
                    <td><input type="password" name="ai_seo_api_key" value="" size="50"></td>\
                </tr>\
                <tr>\
                    <th>Model</th>\
                    <td>\
                        <select name="ai_seo_model">\
                            <option value="gpt-4o-mini" >GPT-4o-mini (fast & cheap)</option>\
                            <option value="gpt-4o" >GPT-4o (best quality)</option>\
                        </select>\
                    </td>\
                </tr>\
            </table>\
            <button type="submit" class="button button-primary">Save Settings</button>\
        </form>\
        <p><strong>Tip:</strong> You can also use xAI Grok API \'97 just change the endpoint in the code if needed.</p>\
    </div>\
    <?php\
\}\
\
// ============== META BOX ==============\
add_action('add_meta_boxes', function() \{\
    add_meta_box('ai_seo_meta', 'AI SEO Optimizer (2026)', 'ai_seo_meta_box', ['post','page'], 'normal', 'high');\
\});\
\
function ai_seo_meta_box($post) \{\
    wp_nonce_field('ai_seo_analyze', 'ai_seo_nonce');\
    $primary_keyword = get_post_meta($post->ID, '_ai_seo_primary_keyword', true);\
    ?>\
    <div id="ai-seo-container">\
        <p><strong>Primary Keyword / Topic</strong><br>\
        <input type="text" id="ai_seo_keyword" value="" style="width:100%" placeholder="e.g. best running shoes 2026">\
        </p>\
        \
        <button class="button button-primary" id="ai-seo-analyze-btn">\uc0\u55357 \u56960  Analyze & Improve with AI</button>\
        \
        <div id="ai-seo-results" style="margin-top:20px;"></div>\
    </div>\
\
    <script>\
    jQuery(document).ready(function($)\{\
        $('#ai-seo-analyze-btn').click(function(e)\{\
            e.preventDefault();\
            const btn = $(this);\
            btn.text('Analyzing...').prop('disabled', true);\
            \
            $.post(ajaxurl, \{\
                action: 'ai_seo_analyze',\
                post_id: ,\
                keyword: $('#ai_seo_keyword').val(),\
                nonce: $('#ai_seo_nonce').val()\
            \}, function(response)\{\
                $('#ai-seo-results').html(response);\
                btn.text('\uc0\u55357 \u56960  Analyze & Improve with AI').prop('disabled', false);\
            \});\
        \});\
        \
        // One-click apply buttons (handled via AJAX too)\
        $(document).on('click', '.ai-seo-apply', function()\{\
            const field = $(this).data('field');\
            const value = $(this).data('value');\
            if (field === 'title') $('#title').val(value);\
            else if (field === 'excerpt') $('#excerpt').val(value);\
            alert('\uc0\u9989  Applied! Save the post to keep changes.');\
        \});\
    \});\
    </script>\
    <?php\
\}\
\
// ============== AJAX HANDLER ==============\
add_action('wp_ajax_ai_seo_analyze', function()\{\
    check_ajax_referer('ai_seo_analyze', 'nonce');\
    \
    $post_id = intval($_POST['post_id']);\
    $keyword = sanitize_text_field($_POST['keyword']);\
    $post = get_post($post_id);\
    \
    // === RULE-BASED ANALYSIS (Google 2026 standards) ===\
    $content = wp_strip_all_tags($post->post_content);\
    $title = $post->post_title;\
    $excerpt = $post->post_excerpt ?: substr($content, 0, 160);\
    $word_count = str_word_count($content);\
    $title_len = strlen($title);\
    $desc_len = strlen($excerpt);\
    \
    $checks = [\
        'title_length' => ($title_len >= 40 && $title_len <= 60) ? 10 : 3,\
        'keyword_in_title' => (stripos($title, $keyword) !== false) ? 10 : 0,\
        'keyword_front' => (stripos($title, $keyword) < 30) ? 5 : 0,\
        'meta_desc' => ($desc_len >= 120 && $desc_len <= 160) ? 10 : 4,\
        'word_count' => ($word_count >= 600) ? 15 : ($word_count >= 300 ? 8 : 0),\
        'headings' => (preg_match_all('/<h[2-6]/i', $post->post_content) >= 3) ? 8 : 2,\
        'keyword_density' => $keyword ? min(10, round(substr_count(strtolower($content), strtolower($keyword)) / max(1, $word_count/100))) : 0,\
        'first_paragraph' => (stripos($content, $keyword) < 300) ? 7 : 0,\
        'images_alt' => (preg_match_all('/alt=["\\'](.*?)["\\']/i', $post->post_content, $m) && count($m[1]) > 0) ? 5 : 0,\
        'internal_links' => (preg_match_all('/<a href=["\\'][^"\\']*?["\\']/i', $post->post_content) >= 3) ? 5 : 0,\
        'eeat' => 8, // Base \'96 AI will refine\
    ];\
    \
    $score = array_sum($checks);\
    $score = min(100, max(0, $score));\
    \
    // === AI ANALYSIS (2026 guidelines) ===\
    $api_key = get_option('ai_seo_openai_key');\
    $model = get_option('ai_seo_model', 'gpt-4o-mini');\
    $ai_suggestions = '';\
    \
    if ($api_key) \{\
        $prompt = "You are an expert SEO consultant using Google's 2026 guidelines (E-E-A-T, Helpful Content Update, AI Overviews optimization).\\n\\n";\
        $prompt .= "Page Title: $title\\n";\
        $prompt .= "Primary Keyword: $keyword\\n";\
        $prompt .= "Content length: $word_count words\\n\\n";\
        $prompt .= "Analyze this page and return **valid JSON only** with this structure:\\n";\
        $prompt .= '\{"overall_score": '.$score.', "title_suggestion": "...", "meta_description": "...", "key_improvements": ["..."], "eeat_tips": "...", "ai_overview_optimized": "yes/no"\}';\
        \
        $response = wp_remote_post('https://api.openai.com/v1/chat/completions', [\
            'headers' => [\
                'Authorization' => 'Bearer ' . $api_key,\
                'Content-Type' => 'application/json'\
            ],\
            'body' => json_encode([\
                'model' => $model,\
                'messages' => [['role' => 'user', 'content' => $prompt]],\
                'temperature' => 0.7,\
                'max_tokens' => 800\
            ]),\
            'timeout' => 25\
        ]);\
        \
        if (!is_wp_error($response)) \{\
            $body = json_decode(wp_remote_retrieve_body($response), true);\
            $ai_text = $body['choices'][0]['message']['content'] ?? '';\
            $ai_json = json_decode($ai_text, true) ?: [];\
            \
            $ai_suggestions = '<h3>\uc0\u55358 \u56598  AI Recommendations (2026)</h3>';\
            $ai_suggestions .= '<p><strong>Optimized Title:</strong> <button class="ai-seo-apply button" data-field="title" data-value="'.esc_attr($ai_json['title_suggestion'] ?? $title).'">Apply</button><br>'.esc_html($ai_json['title_suggestion'] ?? '').'</p>';\
            $ai_suggestions .= '<p><strong>Meta Description:</strong> <button class="ai-seo-apply button" data-field="excerpt" data-value="'.esc_attr($ai_json['meta_description'] ?? '').'">Apply</button><br>'.esc_html($ai_json['meta_description'] ?? '').'</p>';\
            $ai_suggestions .= '<ul><li>'.implode('</li><li>', $ai_json['key_improvements'] ?? []).'</li></ul>';\
        \}\
    \}\
    \
    // Output\
    echo '<div style="background:#f8f9fa;padding:15px;border:1px solid #ddd;border-radius:8px;">';\
    echo '<h2>SEO Score: <span style="color:'.($score>80?'green':($score>60?'orange':'red')).'">'.$score.'/100</span></h2>';\
    echo $ai_suggestions ?: '<p><em>Add your OpenAI key in Settings for AI suggestions.</em></p>';\
    echo '</div>';\
    \
    update_post_meta($post_id, '_ai_seo_primary_keyword', $keyword);\
    wp_die();\
\});}