"""Test for the flask request util."""

from unittest.mock import MagicMock

import pytest

from vectororder.constants import pagination as const_pagination
from vectororder.utils import pagination


def test_get_pagination() -> None:
    """Test pagination is returned as namedtuple."""
    expected_offset = 10
    expected_limit = 100

    mock_request = MagicMock()
    mock_request.args.get.side_effect = [expected_offset, expected_limit]
    result = pagination.get_pagination(mock_request)
    assert result.offset == expected_offset
    assert result.limit == expected_limit


def test_get_pagination_uses_defaults() -> None:
    """Test pagination is returned as named tuple for default values."""
    mock_request = MagicMock()
    mock_request.args.get.side_effect = [None, None]
    result = pagination.get_pagination(mock_request)
    assert result.offset == const_pagination.PAGE_OFFSET_DEFAULT
    assert result.limit == const_pagination.PAGE_LIMIT_DEFAULT


@pytest.mark.parametrize(
    "offset, limit, expected_offset, expected_limit",
    (
        (10, "limit string", 10, const_pagination.PAGE_LIMIT_DEFAULT),
        ("offset string", 10, const_pagination.PAGE_OFFSET_DEFAULT, 10),
        ("10", "limit string", 10, const_pagination.PAGE_LIMIT_DEFAULT),
        ("offset string", "10", const_pagination.PAGE_OFFSET_DEFAULT, 10),
        (
            "offset string",
            "limit string",
            const_pagination.PAGE_OFFSET_DEFAULT,
            const_pagination.PAGE_LIMIT_DEFAULT,
        ),
        (-1, 10, const_pagination.PAGE_OFFSET_DEFAULT, 10),
        (10, -1, 10, const_pagination.PAGE_LIMIT_DEFAULT),
        ("-1", 10, const_pagination.PAGE_OFFSET_DEFAULT, 10),
        (10, "-1", 10, const_pagination.PAGE_LIMIT_DEFAULT),
    ),
)
def test_get_pagination_handles_non_ints(
    offset: int, limit: int, expected_offset: int, expected_limit: int
) -> None:
    """Test pagination handles non integers."""
    mock_request = MagicMock()
    mock_request.args.get.side_effect = [offset, limit]
    result = pagination.get_pagination(mock_request)
    assert result.offset == expected_offset
    assert result.limit == expected_limit