<?php
add_filter( 'wp_enqueue_scripts', 'add_user_metadata' );

function add_user_metadata() {
    if (!is_user_logged_in()) {
        return;
    }
    
    global $current_user;
  	wp_get_current_user();
    
    // Check if user exists
    $is_registered = get_user_meta( $current_user->ID, 'is_registered', true );

    php_console_log('is_registered: ' . $is_registered);
    
    if ($is_registered) {
        echo generateHiddenInputsFromArray(array(
  			"wp_user_id" => $current_user->ID,
  	    ));
        return;
    }
        
        
    php_console_log("Registering user in external db...");
    
    $wpdb = connect_to_server('zinomedia');
    
    // Register user in external db
    $wpdb->insert('reg_users', array(
        'UserName' => $current_user->user_email,
        'EMail' => $current_user->user_email,
        'Registered' => date("Y-m-d H:i:s"),
        'WP_ID' => $current_user->ID,
    ));
    $db_user_id = $wpdb->insert_id;
    
    // Create streamdelay
    $wpdb->insert('config_user', array(
        'Key' => "DelaySeconds",
        'Value' => 0,
        'UserID' => $db_user_id,
    ));
    
    update_user_meta( $current_user->ID, 'is_registered', 1 );
    
    echo generateHiddenInputsFromArray(array(
      "user_id" => $current_user->ID,
    ));
}