// ===== PHASE 3 BLOCKING RULES =====

/**
 * Get ad category blocking rules by topic
 */
function hnf_get_ad_category_rules() {
    return array(
        'health' => array(
            'allowed' => array('health-news', 'medical-advice', 'wellness'),
            'blocked' => array('unsafe-remedies', 'unproven-treatments', 'medical-scams'),
            'explanation' => 'Health articles - block unproven medical claims'
        ),
        'finance' => array(
            'allowed' => array('financial-services', 'news', 'investment-advice'),
            'blocked' => array('penny-stocks', 'day-trading', 'forex-scams', 'get-rich-quick'),
            'explanation' => 'Financial articles - block risky schemes'
        ),
        'politics' => array(
            'allowed' => array('political-news', 'government', 'policy'),
            'blocked' => array('political-betting', 'controversial-campaigns'),
            'explanation' => 'Political content - block betting/propaganda'
        ),
        'sports' => array(
            'allowed' => array('sports-news', 'game-results', 'athlete-profiles'),
            'blocked' => array('sports-betting', 'gambling'),
            'explanation' => 'Sports articles - block betting ads'
        ),
        'dating' => array(
            'allowed' => array('relationship-advice', 'dating-tips'),
            'blocked' => array('dating-scams', 'romance-fraud'),
            'explanation' => 'Dating content - block romance scams'
        ),
        'crypto' => array(
            'allowed' => array('blockchain-news', 'crypto-education'),
            'blocked' => array('pump-and-dump', 'rug-pulls', 'crypto-scams'),
            'explanation' => 'Crypto articles - block fraud schemes'
        ),
        'abortion' => array(
            'allowed' => array('healthcare', 'legal-news'),
            'blocked' => array('abortion-pills-illegal', 'unregulated-procedures'),
            'explanation' => 'Abortion-related - block unsafe/illegal services'
        ),
        'pregnancy' => array(
            'allowed' => array('prenatal-care', 'pregnancy-health', 'maternity'),
            'blocked' => array('unsafe-pregnancy-treatments', 'fetal-scams'),
            'explanation' => 'Pregnancy content - block unsafe remedies'
        )
    );
}

/**
 * Check if ad is safe for topic
 */
function hnf_is_ad_safe_for_topic( $topic, $ad_category ) {
    $rules = hnf_get_ad_category_rules();
    $topic_rules = $rules[ $topic ];
    
    if ( ! $topic_rules ) {
        return true; // No rules = allow
    }
    
    // Check if ad is in blocked list
    if ( in_array( $ad_category, $topic_rules['blocked'] ) ) {
        error_log( "[HNF Phase 3] BLOCKED ad category '$ad_category' for topic '$topic': " . $topic_rules['explanation'] );
        return false;
    }
    
    return true;
}

// ===== END PHASE 3 BLOCKING =====




?>