import all_constant as c


def round_ans(val):
    """
    Rounds currency to 2 decimal places
    :param val: Number to be rounded
    :return: Number rounded to 2 decimal places
    """
    return "{:.2f}".format(val)


def nzd_to_jpy(to_convert):
    """
    Converts from NZD to JPY
    :param to_convert: Amount to be converted in NZD
    :return: Converted amount in JPY
    """
    answer = to_convert * c.NZD_TO_JPY
    return round_ans(answer)


def jpy_to_nzd(to_convert):
    """
    Converts from JPY to NZD
    :param to_convert: Amount to be converted in JPY
    :return: Converted amount in NZD
    """
    answer = to_convert / c.NZD_TO_JPY
    return round_ans(answer)


# Main Routine / Testing starts here
# to_jpy_test = [0, 1, 10, 100]
# to_nzd_test = [0, 85, 850, 8500]
#
# for item in to_jpy_test:
#     ans = nzd_to_jpy(item)
#     print(f"{item} NZD is {ans} JPY")
#
# print()
#
# for item in to_nzd_test:
#     ans = jpy_to_nzd(item)
#     print(f"{item} JPY is {ans} NZD")