<?php
defined('BASEPATH') OR exit('No direct script access allowed');

if (!function_exists('save_audit_log')) {
    function save_audit_log($audit_data) {
        $CI =& get_instance();
        
        // Load model for audit log
        $CI->load->model('mcommon');

        // Add event name if available
        if (!isset($audit_data['event_name'])) {
            $audit_data['event_name'] = $CI->router->method; // Controller method name
        }

         // Retrieve current URI path
         $audit_data['module_path'] = base_url(uri_string());
         //$audit_data['module_path'] = $_SERVER['REQUEST_URI'];

        // Add user ID if available
        if (!isset($audit_data['user_id'])) {
            $audit_data['user_id'] = $CI->session->userdata('admin')['user_id'];
        }
        // Set default values for user IP and device if not provided
        if (!isset($audit_data['user_ip'])) {
            $audit_data['user_ip'] = $CI->input->ip_address();
        }
        if (!isset($audit_data['user_device'])) {
            $audit_data['user_device'] = $CI->input->user_agent();
        }
         if (isset($audit_data['pk_value'])) {
            $table_data = $CI->mcommon->get_table_data($audit_data['table_name'], $audit_data['table_pkkey'],$audit_data['pk_value']);
            $audit_data['content'] = $table_data;
        } else {
            $audit_data['content'] = '';
        }

        switch ($audit_data['event_type']) {
            case 'L':
                $audit_data['remarks'] = 'User logged in.';
                break;
            case 'O':
                $audit_data['remarks'] = 'User logged out.';
                break;
            case 'C':
                $audit_data['remarks'] = 'Record created.';
                if (isset($audit_data['pk_value']) && isset($audit_data['table_name'])) {
                    $audit_data['remarks'] .= ' Table: ' . $audit_data['table_name'] . ', ID: ' . $audit_data['pk_value'];
                }
                break;
            case 'U':
                $audit_data['remarks'] = 'Record updated.';
                if (isset($audit_data['pk_value']) && isset($audit_data['table_name'])) {
                    $audit_data['remarks'] .= ' Table: ' . $audit_data['table_name'] . ', ID: ' . $audit_data['pk_value'];
                }
                break;
            case 'D':
                $audit_data['remarks'] = 'Record deleted.';
                if (isset($audit_data['pk_value']) && isset($audit_data['table_name'])) {
                    $audit_data['remarks'] .= ' Table: ' . $audit_data['table_name'] . ', ID: ' . $audit_data['pk_value'];
                }
                break;
            default:
                $audit_data['remarks'] = 'Unknown event type.';
        }

        // Append user ID to remarks
        if (isset($audit_data['user_id'])) {
            $audit_data['remarks'] .= ' User ID: ' . $audit_data['user_id'];
        }

        // Remove pk_value if present
        if (isset($audit_data['pk_value'])) {
            unset($audit_data['pk_value']);
        }

        // Call model method to save audit log
        $CI->mcommon->save_audit_log($audit_data);
    }
}
?>