# -*- coding: utf-8 -*-
# Copyright (c) 2020 Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

from __future__ import absolute_import, division, print_function
__metaclass__ = type

import pytest
import datetime

from ansible.module_utils.facts.system.date_time import DateTimeFactCollector

TIMESTAMP = datetime.datetime(2020, 7, 11, 12, 34, 56, 124356)


@pytest.fixture
def fake_now(monkeypatch):
    """Patch `datetime.datetime.now()` to return a deterministic value."""
    class FakeNow:
        @classmethod
        def now(cls):
            return TIMESTAMP

    monkeypatch.setattr(datetime, 'datetime', FakeNow)


@pytest.fixture
def date_facts(monkeypatch, fake_now):
    """Return a predictable instance of collected date_time facts."""
    monkeypatch.setenv('TZ', 'Australia/Melbourne')

    collector = DateTimeFactCollector()
    data = collector.collect()

    return data


@pytest.mark.parametrize(
    ('fact_name', 'fact_value'),
    (
        ('year', '2020'),
        ('month', '07'),
        ('weekday', 'Saturday'),
        ('weekday_number', '6'),
        ('weeknumber', '27'),
        ('day', '11'),
        ('hour', '12'),
        ('minute', '34'),
        ('second', '56'),
        ('epoch', '1594434896'),
        ('date', '2020-07-11'),
        ('time', '12:34:56'),
        ('iso8601_basic', '20200711T123456124356'),
        ('iso8601_basic_short', '20200711T123456'),
        ('tz', 'AEST'),
        ('tz_dst', 'AEDT'),
        ('tz_offset', '+1000')
    ),
)
def test_date_time_facts(date_facts, fact_name, fact_value):
    assert date_facts['date_time'][fact_name] == fact_value