from decimal import Decimal

import pytest

from ee import EeException
from ee.money import get_default_context

money = get_default_context()


@pytest.mark.parametrize("text, dec, cur, to_str", [
    ("", None, None, None),
    (" ", None, None, None),
    ("1", 1, None, "1"),
    ("1.0", 1, None, "1"),
    ("1.1", "1.1", None, "1.1"),
    ("1.", "1", None, "1"),
    ("0.002", "0.002", None, "0.002"),
    ("0,002", "0.002", None, "0.002"),
    (",002", "0.002", None, "0.002"),
    (".002", "0.002", None, "0.002"),
    (".00200", "0.002", None, "0.002"),
    ("0,86000", "0.86", None, "0.86"),
    ("0,02141", "0.02141", None, "0.02141"),
    ("100", "100", None, "100"),
    ("100.0", "100", None, "100"),
    ("1 000", "1000", None, "1000"),
    ("1 000.", "1000", None, "1000"),
    ("1 000.0", "1000", None, "1000"),
    ("USD 1", 1, "USD", "USD 1"),
    ("1 USD", 1, "USD", "USD 1"),
    ("USD 1.0", 1, "USD", "USD 1"),
    ("USD1.1", "1.1", "USD", "USD 1.1"),
    ("1,234.56", "1234.56", None, "1234.56"),
    ("1.234,56", "1234.56", None, "1234.56"),
    ("1 234,56", "1234.56", None, "1234.56"),
    ("USD 1,234.56", "1234.56", "USD", "USD 1234.56"),
    ("USD 1.234,56", "1234.56", "USD", "USD 1234.56"),
    ("USD 1 234,56", "1234.56", "USD", "USD 1234.56"),
    ("1,234.56 USD", "1234.56", "USD", "USD 1234.56"),
    ("1.234,56 USD", "1234.56", "USD", "USD 1234.56"),
    ("1 234,56 USD", "1234.56", "USD", "USD 1234.56"),
    ("1 234 567,891 USD", "1234567.891", "USD", "USD 1234567.891"),
    ("1 234 567,8901 USD", "1234567.8901", "USD", "USD 1234567.8901"),
    ("1.1 USD", "1.1", "USD", "USD 1.1"),
    ("$ 1.1", "1.1", "USD", "USD 1.1"),
    ("1.1 $", "1.1", "USD", "USD 1.1"),
])
def test_parsing(text, dec, cur, to_str):
    if dec is not None:
        m = money.parse(text)
        assert Decimal(dec) == m.amount
        assert cur == m.currency
        assert to_str == str(m)
    else:
        try:
            money.parse(text)
            pytest.fail("Expected exception")
        except EeException:
            pass