<?php
// Function to fetch company settings from DB
function get_company_settings() {
    static $settings = null;
    if ($settings === null) {
        $pdo = db();
        try {
            $stmt = $pdo->query("SELECT * FROM company_settings LIMIT 1");
            $settings = $stmt->fetch(PDO::FETCH_ASSOC);
        } catch (Exception $e) {
            // Log error or ignore if table doesn't exist yet
        }
        
        // Default values if no settings found
        if (!$settings) {
            $settings = [
                'company_name' => 'My Restaurant',
                'address' => '123 Food Street',
                'phone' => '555-0199',
                'email' => 'info@restaurant.com',
                'vat_rate' => 0.00,
                'currency_symbol' => '$',
                'currency_decimals' => 2
            ];
        }
    }
    return $settings;
}

// Function to format currency using settings
function format_currency($amount) {
    $settings = get_company_settings();
    return $settings['currency_symbol'] . number_format((float)$amount, (int)$settings['currency_decimals']);
}