"""Test main modules for coverage."""

from unittest.mock import Mock


def test_config_imports():
    """Test that config modules can be imported."""
    from src.config import get_settings
    from src.config.rate_limiting_config import RateLimitingConfig
    from src.config.redis_config import RedisConfig
    from src.config.security_headers_config import SecurityHeadersConfig

    # Test that we can instantiate these classes
    settings = get_settings()
    assert settings is not None

    redis_config = RedisConfig()
    assert redis_config is not None

    rate_limiting_config = RateLimitingConfig()
    assert rate_limiting_config is not None

    security_headers_config = SecurityHeadersConfig()
    assert security_headers_config is not None


def test_services_imports():
    """Test that service modules can be imported."""
    from src.services.api_service import APIService
    from src.services.auth_service import AuthService
    from src.services.email_service import EmailService
    from src.services.model_service import ModelService
    from src.services.monitoring_service import MonitoringService
    from src.services.rate_limiting_service import RateLimitingService
    from src.services.redis_client import RedisClient
    from src.services.secrets_manager import SecretsManager
    from src.services.subscription_service import SubscriptionService
    from src.services.token_manager import TokenManager
    from src.services.user_service import UserService

    # Test that we can instantiate these services with mocked dependencies
    mock_db = Mock()

    # Test service instantiation
    api_service = APIService()
    assert api_service is not None

    auth_service = AuthService()
    assert auth_service is not None

    email_service = EmailService()
    assert email_service is not None

    model_service = ModelService()
    assert model_service is not None

    monitoring_service = MonitoringService()
    assert monitoring_service is not None

    rate_limiting_service = RateLimitingService(redis_client=mock_db)
    assert rate_limiting_service is not None

    redis_client = RedisClient()
    assert redis_client is not None

    secrets_manager = SecretsManager()
    assert secrets_manager is not None

    subscription_service = SubscriptionService(db=mock_db)
    assert subscription_service is not None

    token_manager = TokenManager(db=mock_db)
    assert token_manager is not None

    user_service = UserService(db=mock_db)
    assert user_service is not None


def test_models_imports():
    """Test that model modules can be imported."""
    from src.models.api_call import APICall
    from src.models.customer import Customer
    from src.models.ec2 import EC2Instance
    from src.models.payment import Payment
    from src.models.rate_limit import RateLimit
    from src.models.subscription import Subscription
    from src.models.user import User

    # Test that we can access model attributes
    assert hasattr(User, "__tablename__")
    assert hasattr(Customer, "__tablename__")
    assert hasattr(Subscription, "__tablename__")
    assert hasattr(Payment, "__tablename__")
    assert hasattr(RateLimit, "__tablename__")
    assert hasattr(EC2Instance, "__tablename__")
    assert hasattr(APICall, "__tablename__")


def test_schemas_imports():
    """Test that schema modules can be imported."""
    from src.schemas.auth import Token, TokenData
    from src.schemas.customer import CustomerCreate, CustomerResponse
    from src.schemas.subscription import SubscriptionCreate, SubscriptionResponse
    from src.schemas.user import UserCreate, UserResponse

    # Test that we can access schema attributes
    assert hasattr(UserCreate, "__fields__")
    assert hasattr(UserResponse, "__fields__")
    assert hasattr(CustomerCreate, "__fields__")
    assert hasattr(CustomerResponse, "__fields__")
    assert hasattr(SubscriptionCreate, "__fields__")
    assert hasattr(SubscriptionResponse, "__fields__")
    assert hasattr(Token, "__fields__")
    assert hasattr(TokenData, "__fields__")


def test_routes_imports():
    """Test that route modules can be imported."""
    from src.routes.api_tokens import router as api_tokens_router
    from src.routes.auth import router as auth_router
    from src.routes.subscription import router as subscription_router

    # Test that routers exist
    assert auth_router is not None
    assert subscription_router is not None
    assert api_tokens_router is not None


def test_middleware_imports():
    """Test that middleware modules can be imported."""
    from src.middleware.cors import CORSMiddleware
    from src.middleware.csrf import CSRFMiddleware
    from src.middleware.error_handler import ErrorHandlerMiddleware
    from src.middleware.rate_limiting import RateLimitingMiddleware
    from src.middleware.security_headers import SecurityHeadersMiddleware

    # Test that middleware classes exist
    assert CORSMiddleware is not None
    assert CSRFMiddleware is not None
    assert ErrorHandlerMiddleware is not None
    assert RateLimitingMiddleware is not None
    assert SecurityHeadersMiddleware is not None


def test_utils_imports():
    """Test that utility modules can be imported."""
    from src.utils.base_classes import BaseModel, BaseService
    from src.utils.constants import Constants

    # Test that utility classes exist
    assert BaseService is not None
    assert BaseModel is not None
    assert Constants is not None


def test_quantum_imports():
    """Test that quantum modules can be imported."""
    from src.quantum.core.quantum_circuit import QuantumCircuit
    from src.quantum.error_correction.recovery import ErrorRecovery
    from src.quantum.error_correction.stabilizer import StabilizerCode
    from src.quantum.error_correction.syndrome import SyndromeDecoder

    # Test that quantum classes exist
    assert QuantumCircuit is not None
    assert ErrorRecovery is not None
    assert StabilizerCode is not None
    assert SyndromeDecoder is not None


def test_ml_imports():
    """Test that ML modules can be imported."""
    from src.ml.enhanced_xgboost import EnhancedXGBoost
    from src.ml.factory import ModelFactory
    from src.ml.metrics import MetricsCalculator
    from src.ml.models.train import ModelTrainer
    from src.ml.optimization.adaptive_learning import AdaptiveLearning
    from src.ml.optimization.gpu_memory_manager import GPUMemoryManager
    from src.ml.pipeline import MLPipeline

    # Test that ML classes exist
    assert EnhancedXGBoost is not None
    assert ModelFactory is not None
    assert MetricsCalculator is not None
    assert ModelTrainer is not None
    assert AdaptiveLearning is not None
    assert GPUMemoryManager is not None
    assert MLPipeline is not None


def test_benchmarks_imports():
    """Test that benchmark modules can be imported."""
    from src.benchmarks.performance_benchmark import PerformanceBenchmark

    # Test that benchmark classes exist
    assert PerformanceBenchmark is not None


def test_main_import():
    """Test that main module can be imported."""
    from src.main import app

    # Test that FastAPI app exists
    assert app is not None
    assert hasattr(app, "routes")


def test_constants_import():
    """Test that constants module can be imported."""
    from src.constants import APP_NAME

    # Test that constants exist
    assert APP_NAME is not None


def test_database_import():
    """Test that database module can be imported."""
    from src.database import engine, get_db

    # Test that database components exist
    assert get_db is not None
    assert engine is not None


def test_db_config_import():
    """Test that db_config module can be imported."""
    from src.db_config import get_database_url

    # Test that database config function exists
    assert get_database_url is not None
