import pytest

from app.commands import is_allowed, normalize_id


@pytest.mark.parametrize("allowlist", [None, "", "  ", ",;"])
def test_empty_allowlist_denies(allowlist):
    assert not is_allowed("telegram", "123", allowlist)
    assert not is_allowed("matrix", "@a:b.de", allowlist)


def test_telegram_numeric():
    assert is_allowed("telegram", "123", "123, 456")
    assert is_allowed("telegram", " 456 ", "123;456")
    assert not is_allowed("telegram", "789", "123,456")
    assert not is_allowed("telegram", "alice", "alice")
    assert not is_allowed("telegram", "", "123")


def test_matrix_domain_case_insensitive():
    assert is_allowed("matrix", "@Alice:Example.ORG", "@Alice:example.org")
    assert is_allowed("matrix", "@alice:example.org", "@alice:EXAMPLE.org other")
    assert not is_allowed("matrix", "@alice:example.org", "@bob:example.org")


def test_matrix_localpart_case_sensitive():
    assert not is_allowed("matrix", "@alice:example.org", "@Alice:example.org")


def test_invalid_ids_and_backend():
    assert normalize_id("matrix", "alice") is None
    assert normalize_id("matrix", "@alice") is None
    assert normalize_id("irc", "1") is None
    assert not is_allowed("irc", "1", "1")


def test_backends_not_mixed():
    assert not is_allowed("matrix", "123", "123")
    assert not is_allowed("telegram", "@a:b.de", "@a:b.de")