"""Tests for agenda."""

import datetime
from decimal import Decimal

import pytest
from agenda import (
    get_gbpusd,
    get_next_bank_holiday,
    get_next_timezone_transition,
    next_economist,
    next_uk_fathers_day,
    next_uk_mothers_day,
    timedelta_display,
    uk_financial_year_end,
)


@pytest.fixture
def mock_today() -> datetime.date:
    """Mock the current date for testing purposes."""
    return datetime.date(2023, 10, 5)


@pytest.fixture
def mock_now() -> datetime.datetime:
    """Mock the current date and time for testing purposes."""
    return datetime.datetime(2023, 10, 5, 12, 0, 0)


def test_next_uk_mothers_day(mock_today: datetime.date) -> None:
    """Test next_uk_mothers_day function."""
    next_mothers_day = next_uk_mothers_day(mock_today)
    assert next_mothers_day == datetime.date(2024, 4, 21)


def test_next_uk_fathers_day(mock_today: datetime.date) -> None:
    """Test next_uk_fathers_day function."""
    next_fathers_day = next_uk_fathers_day(mock_today)
    assert next_fathers_day == datetime.date(2024, 6, 21)


def test_get_next_timezone_transition(mock_now: datetime.date) -> None:
    """Test get_next_timezone_transition function."""
    next_transition = get_next_timezone_transition(mock_now, "Europe/London")
    assert next_transition == datetime.date(2023, 10, 29)


def test_get_next_bank_holiday(mock_today: datetime.date) -> None:
    """Test get_next_bank_holiday function."""
    next_holiday = get_next_bank_holiday(mock_today)[0]
    assert next_holiday.date == datetime.date(2023, 12, 25)
    assert next_holiday.title == "Christmas Day"


def test_get_gbpusd(mock_now: datetime.datetime) -> None:
    """Test get_gbpusd function."""
    gbpusd = get_gbpusd()
    assert isinstance(gbpusd, Decimal)
    # You can add more assertions based on your specific use case.


def test_next_economist(mock_today: datetime.date) -> None:
    """Test next_economist function."""
    next_publication = next_economist(mock_today)
    assert next_publication == datetime.date(2023, 10, 5)


def test_uk_financial_year_end() -> None:
    """Test uk_financial_year_end function."""
    financial_year_end = uk_financial_year_end(datetime.date(2023, 4, 1))
    assert financial_year_end == datetime.date(2023, 4, 5)


def test_timedelta_display() -> None:
    """Test timedelta_display function."""
    delta = datetime.timedelta(days=2, hours=5, minutes=30)
    display = timedelta_display(delta)
    assert display == "  2 days   5 hrs  30 mins"


# You can add more test cases for other functions as needed.