import importlib

from cryptography.fernet import Fernet
from fastapi.testclient import TestClient


def test_enroll_verify_and_list_users(tmp_path, monkeypatch):
    database = tmp_path / "test.sqlite3"
    monkeypatch.setenv("SIGVERIFY_DATABASE_URL", f"sqlite:///{database.as_posix()}")
    monkeypatch.setenv("SIGVERIFY_FERNET_KEY", Fernet.generate_key().decode())
    module = importlib.import_module("app.main")
    client = TestClient(module.app)
    payload = {
        "user_id": "test-user",
        "t": [0, 1, 2, 3],
        "x": [0, 1, 2, 3],
        "y": [1, 2, 1, 0],
        "p": [0.5, 0.6, 0.7, 0.5],
    }

    assert client.get("/").status_code == 200
    assert client.post("/enroll", json=payload).status_code == 200
    assert client.post("/enroll", json=payload).status_code == 200
    verified = client.post("/verify", json=payload)
    assert verified.status_code == 200
    assert verified.json()["accepted"] is True
    assert client.get("/users").json()["users"] == [
        {"user_id": "test-user", "template_count": 2}
    ]