import 'package:intl/intl.dart';

/// Formats a payroll amount in the organisation's currency.
///
/// [currency] is the ISO 4217 code the server sends on payslips / profile
/// (`currency`). Missing or blank ⇒ INR, which keeps the original output:
/// rupee sign, Indian lakh grouping, no decimals (e.g. `₹1,23,457`).
/// Other currencies print the ISO code and the currency's own minor units
/// (e.g. `AED 12,345.50`, `BHD 1,234.500`).
String formatMoney(num v, [String? currency]) {
  final code = (currency ?? '').trim().toUpperCase();
  if (code.isEmpty || code == 'INR') {
    return '₹${NumberFormat('#,##,###').format(v)}';
  }
  // NumberFormat.currency picks the ISO default fraction digits for `name`
  // (BHD/KWD/OMR 3, JPY 0, most others 2).
  return NumberFormat.currency(locale: 'en', name: code, symbol: '$code ').format(v);
}