import datetime as dt
import importlib

import pytest

import humanize


def test_i18n():
    three_seconds = dt.timedelta(seconds=3)
    one_min_three_seconds = dt.timedelta(milliseconds=67_000)

    assert humanize.naturaltime(three_seconds) == "3 seconds ago"
    assert humanize.ordinal(5) == "5th"
    assert humanize.precisedelta(one_min_three_seconds) == "1 minute and 7 seconds"

    try:
        humanize.i18n.activate("ru_RU")
        assert humanize.naturaltime(three_seconds) == "3 секунды назад"
        assert humanize.ordinal(5) == "5ый"
        assert humanize.precisedelta(one_min_three_seconds) == "1 минута и 7 секунд"

    finally:
        humanize.i18n.deactivate()
        assert humanize.naturaltime(three_seconds) == "3 seconds ago"
        assert humanize.ordinal(5) == "5th"
        assert humanize.precisedelta(one_min_three_seconds) == "1 minute and 7 seconds"


def test_intcomma():
    number = 10_000_000

    assert humanize.intcomma(number) == "10,000,000"

    try:
        humanize.i18n.activate("fr_FR")
        assert humanize.intcomma(number) == "10 000 000"

    finally:
        humanize.i18n.deactivate()
        assert humanize.intcomma(number) == "10,000,000"


def test_default_locale_path_defined__file__():
    i18n = importlib.import_module("humanize.i18n")
    assert i18n._get_default_locale_path() is not None


def test_default_locale_path_null__file__():
    i18n = importlib.import_module("humanize.i18n")
    i18n.__file__ = None
    assert i18n._get_default_locale_path() is None


def test_default_locale_path_undefined__file__():
    i18n = importlib.import_module("humanize.i18n")
    del i18n.__file__
    i18n._get_default_locale_path() is None


class TestActivate:
    expected_msg = (
        "Humanize cannot determinate the default location of the"
        " 'locale' folder. You need to pass the path explicitly."
    )

    def test_default_locale_path_null__file__(self):
        i18n = importlib.import_module("humanize.i18n")
        i18n.__file__ = None

        with pytest.raises(Exception) as excinfo:
            i18n.activate("ru_RU")
        assert str(excinfo.value) == self.expected_msg

    def test_default_locale_path_undefined__file__(self):
        i18n = importlib.import_module("humanize.i18n")
        del i18n.__file__

        with pytest.raises(Exception) as excinfo:
            i18n.activate("ru_RU")
        assert str(excinfo.value) == self.expected_msg