function my_sms_sent_callback($response) {
    // Log the response or perform additional actions
    error_log('SMS sent successfully: ' . print_r($response, true));
}
add_action('wp_sms_send', 'my_sms_sent_callback');

function add_gateway_help_text() {
    echo '<p class="description">Custom gateway help text here.</p>';
}
add_action('wp_sms_after_gateway', 'add_gateway_help_text');

function modify_sender_number($from) {
    // Add prefix to sender number
    return 'WP-' . $from;
}
add_filter('wp_sms_from', 'modify_sender_number');

function add_admin_to_recipients($to) {
    // Add admin number to all SMS sends
    $admin_number = get_option('admin_mobile_number');
    if ($admin_number) {
        $to[] = $admin_number;
    }
    return $to;
}
add_filter('wp_sms_to', 'add_admin_to_recipients');

function add_signature_to_sms($msg) {
    // Add signature to all messages
    return $msg . "\n\nPowered by WP-SMS";
}
add_filter('wp_sms_msg', 'add_signature_to_sms');

function modify_sms_request($requestBody) {
    // Add custom data to request
    $requestBody['custom_field'] = 'custom_value';
    return $requestBody;
}
add_filter('wp_sms_send_request_body', 'modify_sms_request');

function welcome_new_subscriber($name, $mobile, $status, $id) {
    if ($status == 1) {
        // Send welcome SMS to new active subscriber
        $message = "Welcome {$name}! Thank you for subscribing to our newsletter.";
        wp_sms_send($mobile, $message);
    }
}
add_action('wp_sms_add_subscriber', 'welcome_new_subscriber', 10, 4);

function send_verification_confirmation($name, $mobile, $status, $id) {
    $message = "Hi {$name}, your subscription has been verified successfully!";
    wp_sms_send($mobile, $message);
}
add_action('wp_sms_verify_subscriber', 'send_verification_confirmation', 10, 4);

function log_subscriber_update($result) {
    error_log('Subscriber updated: ' . print_r($result, true));
}
add_action('wp_sms_update_subscriber', 'log_subscriber_update');

function log_subscriber_deletion($deleted_rows) {
    error_log("Deleted {$deleted_rows} subscriber(s)");
}
add_action('wp_sms_delete_subscriber', 'log_subscriber_deletion');

function track_unsubscribe($number) {
    // Track unsubscribe analytics
    update_option('total_unsubscribes', get_option('total_unsubscribes', 0) + 1);
}
add_action('wp_sms_number_unsubscribed_through_url', 'track_unsubscribe');

function customize_welcome_message($message, $mobile) {
    // Add subscriber's name to welcome message
    $subscriber = get_subscriber_by_mobile($mobile);
    if ($subscriber) {
        return str_replace('[name]', $subscriber->name, $message);
    }
    return $message;
}
add_filter('wpsms_welcome_sms_message', 'customize_welcome_message', 10, 2);

function change_unsubscribe_param($query_string) {
    return 'unsubscribe_sms';
}
add_filter('wpsms_unsubscribe_query_string', 'change_unsubscribe_param');

function disable_unsubscribe_csrf($enabled) {
    // Disable CSRF for custom implementation
    return false;
}
add_filter('wpsms_unsubscribe_csrf_enabled', 'disable_unsubscribe_csrf');

function add_custom_gateway($gateways) {
    $gateways['custom'] = 'CustomGateway';
    return $gateways;
}
add_filter('wpsms_gateway_list', 'add_custom_gateway');

function modify_gateway_settings($filter) {
    // Modify gateway settings based on conditions
    return $filter;
}
add_filter('wp_sms_gateway_settings', 'modify_gateway_settings');

function add_custom_send_to_option($smsObject, $proIsActive) {
    echo '<option value="custom_group">Custom Group</option>';
}
add_action('wp_sms_form_send_to_select_option', 'add_custom_send_to_option', 10, 2);

function add_custom_send_to_field($smsObject, $proIsActive) {
    echo '<div class="wpsms-value wpsms-custom-field">Custom Field HTML</div>';
}
add_action('wp_sms_form_send_to_value', 'add_custom_send_to_field', 10, 2);

function add_admin_page_notice() {
    echo '<div class="notice notice-info"><p>Custom admin notice here.</p></div>';
}
add_action('wp_sms_after_admin_page_title', 'add_admin_page_notice');

function customize_send_sms_page($content, $args) {
    // Add custom content to send SMS page
    $custom_content = '<div class="custom-section">Custom content</div>';
    return $custom_content . $content;
}
add_filter('wp_sms_send_sms_page_content', 'customize_send_sms_page', 10, 2);

function disable_admin_footer_text($enabled) {
    return false;
}
add_filter('wp_sms_enable_footer_text', 'disable_admin_footer_text');

function disable_admin_footer_logo($enabled) {
    return false;
}
add_filter('wp_sms_enable_footer_logo', 'disable_admin_footer_logo');

function custom_header_logo($url) {
    return 'https://example.com/custom-logo.svg';
}
add_filter('wp_sms_header_url', 'custom_header_logo');

function hide_upgrade_options($enabled) {
    return false;
}
add_filter('wp_sms_enable_upgrade_to_bundle', 'hide_upgrade_options');

function hide_help_icon($enabled) {
    return false;
}
add_filter('wp_sms_enable_help_icon', 'hide_help_icon');

function hide_addons_menu($enabled) {
    return false;
}
add_filter('wp_sms_enable_header_addons_menu', 'hide_addons_menu');

function add_custom_stats($data) {
    $data['custom_stat'] = 'Custom value';
    return $data;
}
add_filter('wp_sms_stats_widget_data', 'add_custom_stats');

function add_custom_admin_menu($menu_list) {
    $menu_list['custom_page'] = 'Custom Page';
    return $menu_list;
}
add_filter('wp_sms_admin_menu_list', 'add_custom_admin_menu');

function add_custom_variables($variables, $message) {
    $variables['%custom_var%'] = 'Custom Value';
    return $variables;
}
add_filter('wp_sms_output_variables', 'add_custom_variables', 10, 2);

function finalize_message($finalMessage, $message, $variables) {
    // Apply final formatting or validation
    return trim($finalMessage);
}
add_filter('wp_sms_output_variables_message', 'finalize_message', 10, 3);

function add_additional_admin_notification($recipients) {
    $recipients[] = '+1234567890'; // Additional admin number
    return $recipients;
}
add_filter('wp_sms_admin_notify_registration', 'add_additional_admin_notification');

function handle_incoming_sms($incomingMessage) {
    // Process incoming SMS
    error_log('Incoming SMS from: ' . $incomingMessage->sender_number);
    error_log('Message: ' . $incomingMessage->text);
}
add_action('wp_sms_two_new_incoming_message', 'handle_incoming_sms');

function customize_registration_username($username, $mobileNumber) {
    // Add custom prefix
    return 'user_' . $username;
}
add_filter('wp_sms_registration_username', 'customize_registration_username', 10, 2);

function customize_registration_email($email, $mobileNumber) {
    // Use custom domain
    return str_replace('@example.com', '@mysite.com', $email);
}
add_filter('wp_sms_registration_email', 'customize_registration_email', 10, 2);

function get_current_user_for_sms($userId) {
    // Always use current logged-in user
    return get_current_user_id();
}
add_filter('wp_sms_user_id', 'get_current_user_for_sms');

function log_otp_generation($code, $phoneNumber, $agent) {
    // Log OTP generation for security
    error_log("OTP generated for {$phoneNumber}: {$code}");
}
add_action('wp_sms_otp_generated', 'log_otp_generation', 10, 3);

function modify_report_email($reportData, $content) {
    // Add custom data to report
    $reportData['custom_metric'] = get_custom_metric();
}
add_action('wp_sms_before_report_email', 'modify_report_email', 10, 2);

function custom_sms_logging($result, $sender, $message, $to, $response, $status, $media) {
    // Custom logging logic
    error_log("SMS logged: {$sender} -> " . implode(',', $to) . " Status: {$status}");
}
add_action('wp_sms_log_after_save', 'custom_sms_logging', 10, 7);

function before_notice_registration($noticeManager) {
    // Add custom notices or modify existing ones
}
add_action('wp_sms_before_register_notice', 'before_notice_registration');

function custom_mobile_validation($valid, $mobileNumber) {
    // Custom validation logic
    if (strpos($mobileNumber, '999') === 0) {
        return false; // Block test numbers
    }
    return $valid;
}
add_filter('wp_sms_mobile_number_validity', 'custom_mobile_validation', 10, 2);

function custom_mobile_sanitization($mobile) {
    // Remove specific characters
    return str_replace(['(', ')', '-'], '', $mobile);
}
add_filter('wp_sms_sanitize_mobile_number', 'custom_mobile_sanitization');

function add_request_timeout($arguments) {
    $arguments['timeout'] = 30; // Increase timeout
    return $arguments;
}
add_filter('wp_sms_request_arguments', 'add_request_timeout');

function add_custom_params($params) {
    $params['custom_header'] = 'custom_value';
    return $params;
}
add_filter('wp_sms_request_params', 'add_custom_params');

function filter_mobile_numbers_query($args) {
    // Only get users with specific role
    $args['role'] = 'subscriber';
    return $args;
}
add_filter('wp_sms_mobile_numbers_query_args', 'filter_mobile_numbers_query');

function filter_wc_mobile_query($args) {
    // Add custom meta query
    $args['meta_query'][] = [
        'key' => 'customer_status',
        'value' => 'active',
        'compare' => '='
    ];
    return $args;
}
add_filter('wp_sms_wc_mobile_numbers_query_args', 'filter_wc_mobile_query');

// 1. Modify SMS content before sending
function add_company_signature($msg) {
    return $msg . "\n\nBest regards,\nYour Company";
}
add_filter('wp_sms_msg', 'add_company_signature');

// 2. Track successful sends
function track_sms_sends($response) {
    $count = get_option('total_sms_sent', 0);
    update_option('total_sms_sent', $count + 1);
}
add_action('wp_sms_send', 'track_sms_sends');

// 3. Handle new subscribers
function welcome_subscriber($name, $mobile, $status, $id) {
    if ($status == 1) {
        $message = "Welcome {$name}! You're now subscribed to our updates.";
        wp_sms_send($mobile, $message);
    }
}
add_action('wp_sms_add_subscriber', 'welcome_subscriber', 10, 4);

// Add custom gateway to the list
function register_custom_gateway($gateways) {
    $gateways['custom_api'] = 'CustomAPIGateway';
    return $gateways;
}
add_filter('wpsms_gateway_list', 'register_custom_gateway');

// Modify gateway settings
function custom_gateway_settings($settings) {
    // Add custom settings for your gateway
    return $settings;
}
add_filter('wp_sms_gateway_settings', 'custom_gateway_settings');