import pytest
from fastapi.testclient import TestClient
from unittest.mock import patch, Mock

def test_verify_token_valid(client: TestClient):
    """
    Test token verification with valid token
    """
    headers = {"Authorization": "Bearer valid_token"}
    
    with patch('firebase_admin.auth.verify_id_token') as mock_verify:
        mock_verify.return_value = {"uid": "test_user"}
        
        response = client.get(
            "/api/auth/verify",
            headers=headers
        )
        
        assert response.status_code == 200
        assert response.json()["user_id"] == "test_user"

def test_verify_token_invalid(client: TestClient):
    """
    Test token verification with invalid token
    """
    headers = {"Authorization": "Bearer invalid_token"}
    
    with patch('firebase_admin.auth.verify_id_token') as mock_verify:
        mock_verify.side_effect = Exception("Invalid token")
        
        response = client.get(
            "/api/auth/verify",
            headers=headers
        )
        
        assert response.status_code == 401
        assert "Invalid authentication token" in response.json()["detail"]

def test_verify_token_missing(client: TestClient):
    """
    Test token verification with missing token
    """
    response = client.get("/api/auth/verify")
    
    assert response.status_code == 403  # FastAPI returns 403 for missing auth

def test_refresh_token(client: TestClient):
    """
    Test token refresh
    """
    response = client.post(
        "/api/auth/refresh",
        json={"refresh_token": "test_refresh_token"}
    )
    
    # Should return new token
    assert response.status_code in [200, 401]

def test_user_registration(client: TestClient):
    """
    Test user registration
    """
    response = client.post(
        "/api/auth/register",
        json={
            "email": "newuser@example.com",
            "password": "Test123!",
            "name": "New User"
        }
    )
    
    assert response.status_code in [200, 201, 400]  # May fail if user exists

def test_password_reset_request(client: TestClient):
    """
    Test password reset request
    """
    response = client.post(
        "/api/auth/reset-password",
        json={"email": "user@example.com"}
    )
    
    assert response.status_code in [200, 404]  # 404 if user not found