"""Tests for services coverage."""

from unittest.mock import Mock, patch

import pytest
from sqlalchemy.orm import Session

from src.services.api_service import APIService
from src.services.email_service import EmailService
from src.services.redis_client import RedisClient
from src.services.secrets_manager import SecretsManager
from src.services.subscription_service import SubscriptionService


class TestAPIService:
    """Test API service coverage."""

    def test_api_service_initialization(self):
        """Test API service initialization."""
        with patch("src.services.api_service.get_db"):
            service = APIService()
            assert service is not None

    def test_api_service_methods(self):
        """Test API service methods."""
        with patch("src.services.api_service.get_db"):
            service = APIService()

            # Test that methods exist and are callable
            assert hasattr(service, "validate_api_key")
            assert callable(service.validate_api_key)

            assert hasattr(service, "check_rate_limit")
            assert callable(service.check_rate_limit)

            assert hasattr(service, "check_usage_limit")
            assert callable(service.check_usage_limit)


class TestEmailService:
    """Test email service coverage."""

    def test_email_service_initialization(self):
        """Test email service initialization."""
        service = EmailService()
        assert service is not None

    @patch("smtplib.SMTP")
    def test_send_email(self, mock_smtp):
        """Test sending email."""
        service = EmailService()

        # Mock SMTP
        mock_smtp_instance = Mock()
        mock_smtp.return_value.__enter__.return_value = mock_smtp_instance

        # Test sending email
        result = service.send_email(
            recipient="test@example.com", subject="Test Subject", body="Test Body"
        )

        assert result is True
        mock_smtp_instance.send_message.assert_called_once()

    def test_send_email_invalid_recipient(self):
        """Test sending email with invalid recipient."""
        service = EmailService()

        result = service.send_email(
            recipient="invalid-email", subject="Test Subject", body="Test Body"
        )

        assert result is False


class TestSubscriptionService:
    """Test subscription service coverage."""

    def test_subscription_service_initialization(self):
        """Test subscription service initialization."""
        service = SubscriptionService()
        assert service is not None

    @pytest.mark.asyncio
    async def test_subscription_service_methods(self):
        """Test subscription service methods."""
        service = SubscriptionService()

        # Test that methods exist and are callable
        assert hasattr(service, "get_subscription_plans")
        assert callable(service.get_subscription_plans)

        # Test with mock data
        plans = await service.get_subscription_plans()
        assert isinstance(plans, list)


class TestSecretsManager:
    """Test secrets manager coverage."""

    def test_secrets_manager_initialization(self):
        """Test secrets manager initialization."""
        manager = SecretsManager()
        assert manager is not None

    def test_secrets_manager_methods(self):
        """Test secrets manager methods."""
        manager = SecretsManager()

        # Test that methods exist and are callable
        assert hasattr(manager, "get_secret")
        assert callable(manager.get_secret)

        assert hasattr(manager, "store_secret")
        assert callable(manager.store_secret)

        assert hasattr(manager, "delete_secret")
        assert callable(manager.delete_secret)

    def test_get_secret_not_found(self):
        """Test getting a secret that doesn't exist."""
        manager = SecretsManager()

        result = manager.get_secret("nonexistent_secret")
        assert result is None

    def test_store_and_get_secret(self):
        """Test storing and getting a secret."""
        manager = SecretsManager()

        # Store a secret
        result = manager.store_secret("test_secret", "test_value")
        assert result is True

        # Get the secret
        value = manager.get_secret("test_secret")
        assert value == "test_value"

    def test_delete_secret(self):
        """Test deleting a secret."""
        manager = SecretsManager()

        # Store a secret first
        manager.store_secret("test_secret", "test_value")

        # Delete the secret
        result = manager.delete_secret("test_secret")
        assert result is True

        # Verify it's gone
        value = manager.get_secret("test_secret")
        assert value is None


class TestRedisClient:
    """Test Redis client coverage."""

    @patch("redis.Redis")
    def test_redis_client_initialization(self, mock_redis):
        """Test Redis client initialization."""
        mock_redis_instance = Mock()
        mock_redis.return_value = mock_redis_instance

        client = RedisClient()
        assert client is not None

    @patch("redis.Redis")
    def test_redis_client_methods(self, mock_redis):
        """Test Redis client methods."""
        mock_redis_instance = Mock()
        mock_redis.return_value = mock_redis_instance

        client = RedisClient()

        # Test that methods exist and are callable
        assert hasattr(client, "get")
        assert callable(client.get)

        assert hasattr(client, "set")
        assert callable(client.set)

        assert hasattr(client, "delete")
        assert callable(client.delete)

    @patch("redis.Redis")
    def test_redis_operations(self, mock_redis):
        """Test Redis operations."""
        mock_redis_instance = Mock()
        mock_redis.return_value = mock_redis_instance

        client = RedisClient()

        # Test set operation
        result = client.set("test_key", "test_value")
        mock_redis_instance.set.assert_called_once_with("test_key", "test_value")

        # Test get operation
        mock_redis_instance.get.return_value = b"test_value"
        value = client.get("test_key")
        mock_redis_instance.get.assert_called_once_with("test_key")
        assert value == "test_value"

        # Test delete operation
        result = client.delete("test_key")
        mock_redis_instance.delete.assert_called_once_with("test_key")


class TestServiceIntegration:
    """Test service integration coverage."""

    def test_service_registry(self):
        """Test service registry."""
        from src.services import service_registry

        # Check that all expected services are in the registry
        expected_services = [
            "api_service",
            "api_token_service",
            "auth_service",
            "email_service",
            "rate_limiting_service",
            "redis_client",
            "secrets_manager",
            "subscription_service",
        ]

        for service_name in expected_services:
            assert service_name in service_registry

    def test_init_services(self):
        """Test init_services function."""
        from src.services import init_services

        services = init_services()
        assert isinstance(services, dict)
        assert len(services) > 0

    def test_get_service_dependencies(self):
        """Test get_service_dependencies function."""
        from src.services import get_service_dependencies

        dependencies = get_service_dependencies()
        assert isinstance(dependencies, dict)
        assert len(dependencies) > 0
