# flake8: noqa
# mypy: ignore-errors
"""Test the apply functions used by killswitch to modify data."""

from __future__ import annotations

import copy
from typing import Any

import pytest

import killswitch
from killswitch import UPDATABLE_DATA


@pytest.mark.parametrize(
    ("source", "key", "action", "to_set", "result"),
    [
        (["this", "is", "a", "test"], "1", "delete", None, ["this", "a", "test"]),
        (["this", "is", "a", "test"], "1", "", None, ["this", None, "a", "test"]),
        ({"now": "with", "a": "dict"}, "now", "delete", None, {"a": "dict"}),
        ({"now": "with", "a": "dict"}, "now", "", None, {"now": None, "a": "dict"}),
        (["test append"], "1", "", "yay", ["test append", "yay"]),
        (["test neg del"], "-1", "delete", None, []),
        (["test neg del"], "-1337", "delete", None, ["test neg del"]),
        (["test neg del"], "-2", "delete", None, ["test neg del"]),
        (["test too high del"], "30", "delete", None, ["test too high del"]),
    ],
)
def test_apply(
    source: UPDATABLE_DATA, key: str, action: str, to_set: Any, result: UPDATABLE_DATA
) -> None:
    """Test that a single level apply works as expected."""
    cpy = copy.deepcopy(source)
    killswitch._apply(target=cpy, key=key, to_set=to_set, delete=action == "delete")

    assert cpy == result


def test_apply_errors() -> None:
    """_apply should fail when passed something that isn't a Sequence or MutableMapping."""
    with pytest.raises(ValueError, match=r"Dont know how to"):
        killswitch._apply(set(), "0")  # type: ignore # Its intentional that its broken
        killswitch._apply(None, "")  # type: ignore # Its intentional that its broken

    with pytest.raises(ValueError, match=r"Cannot use string"):
        killswitch._apply([], "test")


def test_apply_no_error() -> None:
    """
    _apply should not raise when deleting keys that dont exist, nor should it raise on setting keys that dont exist.

    The only exception here is for lists. if a list is malformed to what a killswitch expects, it SHOULD explode,
    thus causing the killswitch to fail and eat the entire message.
    """
    killswitch._apply([], "0", None, True)
    killswitch._apply({}, "0", None, True)
    killswitch._apply({}, "this doesn't exist", None, True)
    with pytest.raises(IndexError):
        killswitch._apply([], "1", "bang?")


@pytest.mark.parametrize(
    ("input", "expected"),
    [
        ("1", 1),
        ("1337", 1337),
        ("no.", None),
        ("0x10", None),
        ("010", 10),
        (False, 0),
        (str((1 << 63) - 1), (1 << 63) - 1),
        (True, 1),
        (str(1 << 1337), 1 << 1337),
    ],
)
def test_get_int(input: str, expected: int | None) -> None:
    """Check that _get_int doesn't throw when handed bad data."""
    assert expected == killswitch._get_int(input)


@pytest.mark.parametrize(
    ("source", "key", "action", "to_set", "result"),
    [
        (["this", "is", "a", "test"], "1", "delete", None, ["this", "a", "test"]),
        (["this", "is", "a", "test"], "1", "", None, ["this", None, "a", "test"]),
        ({"now": "with", "a": "dict"}, "now", "delete", None, {"a": "dict"}),
        ({"now": "with", "a": "dict"}, "now", "", None, {"now": None, "a": "dict"}),
        (
            {"depth": {"is": "important"}},
            "depth.is",
            "",
            "nonexistent",
            {"depth": {"is": "nonexistent"}},
        ),
        ([{"test": ["stuff"]}], "0.test.0", "", "things", [{"test": ["things"]}]),
        (
            ({"test": {"with": ["a", "tuple"]}},),
            "0.test.with.0",
            "delete",
            "",
            ({"test": {"with": ["tuple"]}},),
        ),
        (
            {"test": ["with a", {"set", "of", "stuff"}]},
            "test.1",
            "delete",
            "",
            {"test": ["with a"]},
        ),
        (
            {"keys.can.have.": "dots!"},
            "keys.can.have.",
            "",
            ".s!",
            {"keys.can.have.": ".s!"},
        ),
        (
            {"multilevel.keys": {"with.dots": False}},
            "multilevel.keys.with.dots",
            "",
            True,
            {"multilevel.keys": {"with.dots": True}},
        ),
        (
            {"dotted.key.one.level": False},
            "dotted.key.one.level",
            "",
            True,
            {"dotted.key.one.level": True},
        ),
    ],
)
def test_deep_get(
    source: UPDATABLE_DATA, key: str, action: str, to_set: Any, result: UPDATABLE_DATA
) -> None:
    """Test _deep_get behaves as expected."""
    cpy = copy.deepcopy(source)
    killswitch._deep_apply(
        target=cpy, path=key, to_set=to_set, delete=action == "delete"
    )
    assert cpy == result