import pytest
from fastapi.testclient import TestClient
from unittest.mock import MagicMock, patch
from ea_chatbot.api.main import app
from ea_chatbot.history.models import User

# We will need to mock HistoryManager and get_db dependencies later
# For now, we define the expected behavior of the auth endpoints.

client = TestClient(app)

@pytest.fixture
def mock_user():
    return User(
        id="user-123",
        username="test@example.com",
        display_name="Test User",
        password_hash="hashed_password"
    )

def test_register_user_success():
    """Test successful user registration."""
    # We'll need to mock history_manager.get_user and create_user
    with patch("ea_chatbot.api.routers.auth.history_manager") as mock_hm:
        mock_hm.get_user.return_value = None
        mock_hm.create_user.return_value = User(id="1", username="new@example.com", display_name="New")
        
        response = client.post(
            "/auth/register",
            json={"email": "new@example.com", "password": "password123", "display_name": "New"}
        )
        
        # This will fail now because the router doesn't exist
        assert response.status_code == 201
        assert response.json()["email"] == "new@example.com"

def test_login_success():
    """Test successful login and JWT return."""
    with patch("ea_chatbot.api.routers.auth.history_manager") as mock_hm:
        mock_hm.authenticate_user.return_value = User(id="1", username="test@example.com")
        
        response = client.post(
            "/auth/login",
            data={"username": "test@example.com", "password": "password123"}
        )
        
        assert response.status_code == 200
        assert "access_token" in response.json()
        assert response.json()["token_type"] == "bearer"

def test_login_invalid_credentials():
    """Test login with wrong password."""
    with patch("ea_chatbot.api.routers.auth.history_manager") as mock_hm:
        mock_hm.authenticate_user.return_value = None
        
        response = client.post(
            "/auth/login",
            data={"username": "test@example.com", "password": "wrongpassword"}
        )
        
        assert response.status_code == 401
        assert "detail" in response.json()

def test_protected_route_without_token():
    """Test that protected routes require a token."""
    response = client.get("/auth/me")
    assert response.status_code == 401

def test_oidc_login_redirect():
    """Test that OIDC login returns a redirect URL."""
    with patch("ea_chatbot.api.routers.auth.oidc_client") as mock_oidc:
        mock_oidc.get_login_url.return_value = "https://oidc-provider.com/auth"
        
        response = client.get("/auth/oidc/login")
        assert response.status_code == 200
        assert response.json()["url"] == "https://oidc-provider.com/auth"