from buyercall.lib.money import cents_to_dollars


def format_currency(amount, convert_to_dollars=True):
    """
    Pad currency with 2 decimals and commas,
    optionally convert cents to dollars.

    :param amount: Amount in cents or dollars
    :type amount: int or float
    :param convert_to_dollars: Convert cents to dollars
    :type convert_to_dollars: bool
    :return: str
    """
    if convert_to_dollars:
        amount = cents_to_dollars(amount)

    return '{:,.2f}'.format(amount)