"""Страж spec «Сервис не зависит от БД и фронта» (DECISION-4): ни зависимостей БД/SMB/шаблонной авторизации, ни
каталогов фронта, миграций, моделей и репозиториев."""

import re
from pathlib import Path

import pytest

REPO_ROOT = Path(__file__).resolve().parents[3]
REQUIREMENTS = REPO_ROOT / "api" / "requirements.txt"
FORBIDDEN_PACKAGES = (
    "asyncpg",
    "sqlalchemy",
    "alembic",
    "smbprotocol",
    "argon2-cffi",
    "raisa_fastapi_protected_api",
)
FORBIDDEN_DIRS = ("web", "api/alembic", "api/src/db", "api/src/models", "api/src/repositories")


@pytest.mark.parametrize("package", FORBIDDEN_PACKAGES)
def test_requirements_have_no_database_or_template_auth_packages(package: str) -> None:
    name = re.sub(r"[-_.]", "[-_.]", package)  # имена пакетов сравниваются по PEP 503: -, _ и . равнозначны
    pattern = re.compile(rf"^\s*{name}\s*(?:[=<>!~;\[]|$)", re.IGNORECASE)
    lines = REQUIREMENTS.read_text(encoding="utf-8").splitlines()
    assert not [line for line in lines if pattern.match(line)]


@pytest.mark.parametrize("directory", FORBIDDEN_DIRS)
def test_no_frontend_or_database_directories(directory: str) -> None:
    assert not (REPO_ROOT / directory).exists()