from datetime import datetime

import pytest

from dateparser.date import DateData


class TestDateData:

    def test_get_item_like_dict(self):
        date = datetime(year=5432, month=3, day=1)
        dd = DateData(date_obj=date, period='day', locale='de')
        assert dd['date_obj'] == date
        assert dd['period'] == 'day'
        assert dd['locale'] == 'de'

    def test_get_item_like_dict_keyerror(self):
        dd = DateData(date_obj=None, period='day', locale='de')
        with pytest.raises(KeyError) as e:
            date_obj = dd['date']
            assert e == 'date'
            assert not date_obj

    def test_set_item_like_dict(self):
        dd = DateData()
        assert dd.date_obj is None

        date = datetime(year=5432, month=3, day=1)
        dd['date_obj'] = date
        assert dd.date_obj == date

    def test_set_item_like_dict_keyerror(self):
        dd = DateData()
        with pytest.raises(KeyError) as e:
            dd['date'] = datetime(year=5432, month=3, day=1)
            assert e == 'date'

    @pytest.mark.parametrize(
        "date,period,locale,expected",
        [
            (
                datetime(year=2020, month=10, day=28), 'day', 'en',
                "DateData(date_obj=datetime.datetime(2020, 10, 28, 0, 0), period='day', locale='en')"
            ),
            (
                datetime(year=2014, month=5, day=29, hour=3, minute=2), 'day', 'es',
                "DateData(date_obj=datetime.datetime(2014, 5, 29, 3, 2), period='day', locale='es')"
            ),
            (
                datetime(year=2028, month=7, day=31, hour=3, minute=2, second=12, microsecond=601265), 'time', 'fr',
                "DateData(date_obj=datetime.datetime(2028, 7, 31, 3, 2, 12, 601265), period='time', locale='fr')"
            ),
            (
                datetime(year=1994, month=8, day=1), 'month', 'ca',
                "DateData(date_obj=datetime.datetime(1994, 8, 1, 0, 0), period='month', locale='ca')"
            ),
            (
                datetime(year=2033, month=10, day=12), 'month', None,
                "DateData(date_obj=datetime.datetime(2033, 10, 12, 0, 0), period='month', locale=None)"
            ),
            (None, 'day', None, "DateData(date_obj=None, period='day', locale=None)"),
            (None, 'year', 'fr', "DateData(date_obj=None, period='year', locale='fr')"),
        ],
    )
    def test_repr(self, date, period, locale, expected):
        dd = DateData(date_obj=date, period=period, locale=locale)
        assert dd.__repr__() == expected