import httpx
import pytest


def test_register_creates_account(client: httpx.Client):
    response = client.post(
        "/auth/register",
        json={"email": "newuser@example.com", "password": "securepassword123"},
    )

    assert response.status_code == 201
    body = response.json()
    assert body["email"] == "newuser@example.com"
    assert "id" in body


def test_register_duplicate_email_returns_409(client: httpx.Client):
    payload = {"email": "duplicate@example.com", "password": "securepassword123"}
    client.post("/auth/register", json=payload)

    response = client.post("/auth/register", json=payload)

    assert response.status_code == 409


def test_login_returns_token(client: httpx.Client):
    credentials = {"email": "loginuser@example.com", "password": "securepassword123"}
    client.post("/auth/register", json=credentials)

    response = client.post("/auth/login", json=credentials)

    assert response.status_code == 200
    body = response.json()
    assert "access_token" in body
    assert body["token_type"] == "bearer"
    assert len(body["access_token"]) > 0


def test_login_wrong_password_returns_401(client: httpx.Client):
    client.post(
        "/auth/register",
        json={"email": "wrongpass@example.com", "password": "correctpassword"},
    )

    response = client.post(
        "/auth/login",
        json={"email": "wrongpass@example.com", "password": "wrongpassword"},
    )

    assert response.status_code == 401


def test_login_unknown_email_returns_401(client: httpx.Client):
    response = client.post(
        "/auth/login",
        json={"email": "nobody@example.com", "password": "doesntmatter"},
    )

    assert response.status_code == 401