import os
import tempfile
import pytest
import importlib
import sys
from pathlib import Path

# Ensure the repository root is on sys.path so tests can import the server package.
ROOT = Path(__file__).resolve().parents[1]
if str(ROOT) not in sys.path:
    sys.path.insert(0, str(ROOT))


server_app_module = importlib.import_module("server.app")

# Expose app and init_db from the imported module
app = server_app_module.app
init_db = server_app_module.init_db


@pytest.fixture(autouse=True, scope="function")
def setup_tmp_db(tmp_path, monkeypatch):
    """Set up the database for each test function."""
    tmp_db = tmp_path / "forms.db"
    # Patch the module attribute directly to avoid package name collisions
    monkeypatch.setattr(server_app_module, "DB_PATH", tmp_db, raising=False)
    monkeypatch.setattr("server.settings.ADMIN_USERNAME", "admin")
    monkeypatch.setattr("server.settings.ADMIN_PASSWORD", "admin")
    init_db()
    yield


@pytest.fixture(autouse=True, scope="function")
def stub_smtp(monkeypatch):
    """Replace smtplib SMTP clients with fast stubs to avoid real network calls."""

    class _DummySMTP:
        def __init__(self, *args, **kwargs):
            self.args = args
            self.kwargs = kwargs

        def __enter__(self):
            return self

        def __exit__(self, exc_type, exc, tb):
            return False

        def starttls(self):
            return None

        def login(self, *args, **kwargs):
            return None

        def send_message(self, *args, **kwargs):
            return {}

        def sendmail(self, *args, **kwargs):
            return {}

    monkeypatch.setattr("smtplib.SMTP", _DummySMTP)
    monkeypatch.setattr("smtplib.SMTP_SSL", _DummySMTP)
    yield