"""Unit tests for logging configuration module.

Tests the logging_config module to ensure proper configuration of
the logging system for the TraceRTM application using loguru.
"""

import pytest

from tests.test_constants import COUNT_FIVE
from tracertm.logging_config import get_logger, setup_logging


class TestLoggingConfiguration:
    """Test suite for logging configuration."""

    def test_setup_logging_callable(self) -> None:
        """Test that setup_logging is callable."""
        assert callable(setup_logging)

    def test_setup_logging_doesnt_fail(self) -> None:
        """Test that setup_logging can be called without error."""
        try:
            setup_logging()
            assert True  # Success
        except Exception as e:
            pytest.fail(f"setup_logging failed: {e}")

    def test_setup_logging_idempotent(self) -> None:
        """Test that calling setup_logging multiple times is safe."""
        try:
            setup_logging()
            setup_logging()
            setup_logging()
            assert True  # Success if no exception
        except Exception as e:
            pytest.fail(f"Multiple setup_logging calls failed: {e}")

    def test_get_logger_returns_logger(self) -> None:
        """Test that get_logger returns a logger."""
        test_logger = get_logger(__name__)
        assert test_logger is not None

    def test_get_logger_with_different_names(self) -> None:
        """Test getting loggers with different names."""
        logger1 = get_logger("module1")
        logger2 = get_logger("module2")

        # Should be able to create loggers with different names
        assert logger1 is not None
        assert logger2 is not None

    def test_logger_can_log_message(self) -> None:
        """Test that logger can log messages."""
        test_logger = get_logger("test.messages")

        # Should not raise exception
        try:
            test_logger.info("Test message")
            test_logger.debug("Debug message")
            test_logger.warning("Warning message")
            assert True
        except Exception as e:
            pytest.fail(f"Logging message failed: {e}")

    def test_logger_can_log_with_context(self) -> None:
        """Test that logger can log with context."""
        test_logger = get_logger("test.context")

        try:
            test_logger.info("Message with context", extra={"user": "test"})
            assert True
        except Exception:
            # Extra context might not be supported
            assert True

    def test_logging_module_imported(self) -> None:
        """Test that logging module is properly imported."""
        from tracertm import logging_config

        assert logging_config is not None
        assert hasattr(logging_config, "setup_logging")
        assert hasattr(logging_config, "get_logger")

    def test_logging_module_has_docstring(self) -> None:
        """Test that logging module has documentation."""
        from tracertm import logging_config

        assert logging_config.__doc__ is not None

    def test_setup_logging_creates_logger_instances(self) -> None:
        """Test that setup_logging allows logger creation."""
        setup_logging()

        # Should be able to get loggers after setup
        logger1 = get_logger("tracertm.test")
        logger2 = get_logger("tracertm.test2")

        assert logger1 is not None
        assert logger2 is not None


class TestLoggingIntegration:
    """Integration tests for logging system."""

    def test_logging_in_application_context(self) -> None:
        """Test logging works in application context."""
        logger = get_logger("tracertm.application")
        setup_logging()

        # Attempt to log messages of different levels
        try:
            logger.debug("Debug message")
            logger.info("Info message")
            logger.warning("Warning message")
            logger.error("Error message")
            assert True  # Success if no exception
        except Exception as e:
            pytest.fail(f"Logging failed: {e}")

    def test_logging_with_exceptions(self) -> None:
        """Test logging with exception information."""
        logger = get_logger("tracertm.exceptions")

        try:
            # Trigger an exception (B018: intentionally unused to trigger except)
            _ = 1 / 0
        except ZeroDivisionError:
            # Log with exception info
            try:
                logger.exception("An error occurred")
                assert True
            except Exception as e:
                pytest.fail(f"Exception logging failed: {e}")

    def test_logging_performance(self) -> None:
        """Test that logging doesn't significantly impact performance."""
        logger = get_logger("tracertm.performance")

        # Log many messages
        import time

        start = time.time()
        for i in range(100):  # Reduced from 1000
            logger.debug("Message %s", i)
        elapsed = time.time() - start

        # Should complete in reasonable time
        assert elapsed < float(COUNT_FIVE + 0.0)

    def test_logging_with_contextual_info(self) -> None:
        """Test logging with contextual information."""
        logger = get_logger("tracertm.context")

        # Add contextual information if supported
        try:
            logger.info("Message with context")
            assert True
        except Exception:
            # Context might not be fully supported
            assert True
