"""
Comprehensive tests for TUI interface module to improve coverage.
"""

from unittest.mock import Mock, patch

import pytest

# Import the module under test
import orka.tui_interface as tui_interface_module


class TestModuleImports:
    """Test module-level imports and constants."""

    def test_main_imports(self):
        """Test that main imports work correctly."""
        from orka.tui_interface import ModernTUIInterface

        assert ModernTUIInterface is not None

    def test_textual_available_constant(self):
        """Test TEXTUAL_AVAILABLE constant."""
        # This should be a boolean
        assert isinstance(tui_interface_module.TEXTUAL_AVAILABLE, bool)

    def test_module_exports(self):
        """Test that __all__ exports are available."""
        from orka.tui_interface import ModernTUIInterface

        # ModernTUIInterface should always be available
        assert ModernTUIInterface is not None

        # OrKaMonitorApp availability depends on TEXTUAL_AVAILABLE
        if tui_interface_module.TEXTUAL_AVAILABLE:
            from orka.tui_interface import OrKaMonitorApp

            assert OrKaMonitorApp is not None
        else:
            # If textual is not available, importing OrKaMonitorApp should fail or it should be None
            try:
                from orka.tui_interface import OrKaMonitorApp

                # If import succeeds, OrKaMonitorApp might be None
                assert OrKaMonitorApp is None or OrKaMonitorApp is not None
            except ImportError:
                # Import error is expected when textual is not available
                pass

    @patch("orka.tui_interface.TEXTUAL_AVAILABLE", True)
    def test_imports_when_textual_available(self):
        """Test imports when textual is available."""
        # Mock the textual imports
        with patch.dict(
            "sys.modules",
            {
                "textual.app": Mock(),
                "textual.binding": Mock(),
                "textual.containers": Mock(),
                "textual.widgets": Mock(),
            },
        ):
            # Reload module to test import behavior
            import importlib

            importlib.reload(tui_interface_module)

            # Should have access to textual components when mocked
            assert tui_interface_module.TEXTUAL_AVAILABLE is True

    def test_imports_when_textual_not_available(self):
        """Test behavior when textual is not available."""
        # Test that the module can handle the current state gracefully
        if not tui_interface_module.TEXTUAL_AVAILABLE:
            # If textual is actually not available, test that behavior
            assert tui_interface_module.TEXTUAL_AVAILABLE is False
            # ModernTUIInterface should still be available
            from orka.tui_interface import ModernTUIInterface

            assert ModernTUIInterface is not None
        else:
            # If textual is available, just verify the module works
            assert tui_interface_module.TEXTUAL_AVAILABLE is True
            from orka.tui_interface import ModernTUIInterface

            assert ModernTUIInterface is not None


@pytest.mark.skipif(not tui_interface_module.TEXTUAL_AVAILABLE, reason="Textual not available")
class TestOrKaMonitorApp:
    """Test OrKaMonitorApp when textual is available."""

    def setup_method(self):
        """Set up test fixtures."""
        self.mock_tui = Mock()
        self.mock_tui.refresh_interval = 5
        self.mock_tui.current_view = "dashboard"

        # Mock data manager
        self.mock_data_manager = Mock()
        self.mock_data_manager.backend = "redis"
        self.mock_data_manager.stats = Mock()
        self.mock_data_manager.stats.current = {
            "total_entries": 100,
            "stored_memories": 50,
            "orchestration_logs": 30,
            "active_entries": 80,
            "expired_entries": 20,
        }
        self.mock_tui.data_manager = self.mock_data_manager

    # def test_app_initialization(self):
    #     """Test OrKaMonitorApp initialization."""
    #     from orka.tui_interface import OrKaMonitorApp

    #     # Mock the App base class to avoid actual Textual initialization
    #     with patch("orka.tui_interface.App") as mock_app:
    #         mock_app.return_value = Mock()

    #         # Create a mock instance that will be returned by the constructor
    #         mock_instance = Mock()
    #         mock_instance.tui = self.mock_tui

    #         # Make the OrKaMonitorApp constructor return our mock
    #         with patch.object(OrKaMonitorApp, "__new__", return_value=mock_instance):
    #             app = OrKaMonitorApp(self.mock_tui)
    #             assert app.tui == self.mock_tui

    # def test_app_bindings(self):
    #     """Test that app has correct key bindings."""
    #     from orka.tui_interface import OrKaMonitorApp

    #     # Test the class itself rather than instances
    #     assert hasattr(OrKaMonitorApp, "BINDINGS")
    #     assert len(OrKaMonitorApp.BINDINGS) > 0

    #     # Check specific bindings
    #     binding_keys = [binding.key for binding in OrKaMonitorApp.BINDINGS]
    #     assert "q" in binding_keys
    #     assert "1" in binding_keys
    #     assert "2" in binding_keys
    #     assert "3" in binding_keys
    #     assert "4" in binding_keys
    #     assert "r" in binding_keys

    # def test_app_css(self):
    #     """Test that app has CSS defined."""
    #     from orka.tui_interface import OrKaMonitorApp

    #     # Check the class CSS
    #     assert hasattr(OrKaMonitorApp, "CSS")
    #     assert isinstance(OrKaMonitorApp.CSS, str)
    #     assert len(OrKaMonitorApp.CSS) > 0

    # def test_action_methods(self):
    #     """Test all action methods."""
    #     from orka.tui_interface import OrKaMonitorApp

    #     # Create a mock instance to test the methods
    #     mock_instance = Mock(spec=OrKaMonitorApp)
    #     mock_instance.tui = self.mock_tui

    #     # Test that the methods exist and can be called
    #     OrKaMonitorApp.action_show_dashboard(mock_instance)
    #     assert self.mock_tui.current_view == "dashboard"

    #     OrKaMonitorApp.action_show_memories(mock_instance)
    #     assert self.mock_tui.current_view == "memories"

    #     OrKaMonitorApp.action_show_performance(mock_instance)
    #     assert self.mock_tui.current_view == "performance"

    #     OrKaMonitorApp.action_show_config(mock_instance)
    #     assert self.mock_tui.current_view == "config"


class TestTextualAppImport:
    """Test the textual app import logic."""

    def test_textual_app_import_when_available(self):
        """Test OrKaTextualApp import when textual is available."""
        if tui_interface_module.TEXTUAL_AVAILABLE:
            # Should attempt to import OrKaTextualApp
            # This might succeed or fail depending on actual module structure
            try:
                assert hasattr(tui_interface_module, "OrKaTextualApp")
            except (ImportError, AttributeError):
                # Import might fail if the actual module doesn't exist
                pass
        else:
            # When textual is not available, OrKaTextualApp should not be imported
            assert (
                not hasattr(tui_interface_module, "OrKaTextualApp")
                or getattr(tui_interface_module, "OrKaTextualApp", None) is None
            )

    def test_textual_app_not_imported_when_unavailable(self):
        """Test OrKaTextualApp behavior based on current textual availability."""
        # Test current behavior instead of trying to patch and reload
        if not tui_interface_module.TEXTUAL_AVAILABLE:
            # When textual is not available, OrKaTextualApp should not be available or should be None
            if hasattr(tui_interface_module, "OrKaTextualApp"):
                assert getattr(tui_interface_module, "OrKaTextualApp", None) is None
        # When textual is available, OrKaTextualApp should be available
        # The import might succeed or fail depending on the actual module structure
        elif hasattr(tui_interface_module, "OrKaTextualApp"):
            OrKaTextualApp = getattr(tui_interface_module, "OrKaTextualApp", None)
            # It should either be a class or None (if import failed)
            assert OrKaTextualApp is None or isinstance(OrKaTextualApp, type)


class TestModuleStructure:
    """Test overall module structure and backward compatibility."""

    def test_module_docstring(self):
        """Test that module has comprehensive docstring."""
        assert tui_interface_module.__doc__ is not None
        assert len(tui_interface_module.__doc__) > 100
        assert "OrKa TUI Interface" in tui_interface_module.__doc__

    def test_module_all_exports(self):
        """Test that __all__ is properly defined."""
        assert hasattr(tui_interface_module, "__all__")
        assert isinstance(tui_interface_module.__all__, list)
        assert "ModernTUIInterface" in tui_interface_module.__all__
        assert "OrKaMonitorApp" in tui_interface_module.__all__

    def test_backward_compatibility_imports(self):
        """Test that backward compatibility imports work."""
        # These should work regardless of textual availability
        from orka.tui_interface import ModernTUIInterface

        assert ModernTUIInterface is not None

    def test_conditional_imports(self):
        """Test that conditional imports are handled correctly."""
        # Test that the module handles missing textual gracefully
        original_textual = tui_interface_module.TEXTUAL_AVAILABLE

        try:
            # Temporarily set textual as unavailable
            tui_interface_module.TEXTUAL_AVAILABLE = False

            # Should still be able to import the module
            import importlib

            importlib.reload(tui_interface_module)

            # ModernTUIInterface should still be available
            from orka.tui_interface import ModernTUIInterface

            assert ModernTUIInterface is not None

        finally:
            # Restore original state
            tui_interface_module.TEXTUAL_AVAILABLE = original_textual
            importlib.reload(tui_interface_module)


class TestErrorHandling:
    """Test error handling scenarios."""

    def test_graceful_handling_when_textual_unavailable(self):
        """Test that module handles textual unavailability gracefully."""
        # This should not raise an error
        assert tui_interface_module.TEXTUAL_AVAILABLE in [True, False]

        # Module should still be importable
        from orka.tui_interface import ModernTUIInterface

        assert ModernTUIInterface is not None


class TestIntegration:
    """Test integration scenarios."""

    def test_full_module_import_cycle(self):
        """Test full import cycle of the module."""
        # Test importing and reimporting the module
        import importlib

        # First import
        module1 = importlib.import_module("orka.tui_interface")
        assert hasattr(module1, "ModernTUIInterface")

        # Reload
        importlib.reload(module1)
        assert hasattr(module1, "ModernTUIInterface")

        # Import again
        module2 = importlib.import_module("orka.tui_interface")
        assert hasattr(module2, "ModernTUIInterface")

    def test_module_constants_and_attributes(self):
        """Test that module has expected constants and attributes."""
        # Check TEXTUAL_AVAILABLE
        assert hasattr(tui_interface_module, "TEXTUAL_AVAILABLE")
        assert isinstance(tui_interface_module.TEXTUAL_AVAILABLE, bool)

        # Check __all__
        assert hasattr(tui_interface_module, "__all__")
        assert isinstance(tui_interface_module.__all__, list)

        # Check main import
        assert hasattr(tui_interface_module, "ModernTUIInterface")


class TestTextualSpecificFeatures:
    """Test textual-specific features when available."""

    @pytest.mark.skipif(not tui_interface_module.TEXTUAL_AVAILABLE, reason="Textual not available")
    def test_textual_imports_when_available(self):
        """Test textual imports when textual is available."""
        # These should be available when textual is installed
        assert hasattr(tui_interface_module, "App")
        assert hasattr(tui_interface_module, "ComposeResult")
        assert hasattr(tui_interface_module, "Binding")
        assert hasattr(tui_interface_module, "Container")
        assert hasattr(tui_interface_module, "Footer")
        assert hasattr(tui_interface_module, "Header")
        assert hasattr(tui_interface_module, "Static")

    def test_textual_not_available_handling(self):
        """Test handling when textual is not available."""
        if not tui_interface_module.TEXTUAL_AVAILABLE:
            # When textual is not available, these should not be available
            # or should be None
            textual_components = [
                "App",
                "ComposeResult",
                "Binding",
                "Container",
                "Footer",
                "Header",
                "Static",
            ]

            for component in textual_components:
                if hasattr(tui_interface_module, component):
                    # If it exists, it might be None or a mock
                    value = getattr(tui_interface_module, component)
                    # Just check that we can access it without error
                    assert value is not None or value is None


class TestConditionalClassDefinition:
    """Test conditional class definition based on textual availability."""

    def test_orka_monitor_app_definition(self):
        """Test OrKaMonitorApp class definition."""
        if tui_interface_module.TEXTUAL_AVAILABLE:
            # When textual is available, OrKaMonitorApp should be defined
            assert hasattr(tui_interface_module, "OrKaMonitorApp")
            OrKaMonitorApp = tui_interface_module.OrKaMonitorApp
            assert OrKaMonitorApp is not None

            # Test that it's a class
            assert isinstance(OrKaMonitorApp, type)
        # When textual is not available, OrKaMonitorApp might not exist
        # or might be None
        elif hasattr(tui_interface_module, "OrKaMonitorApp"):
            OrKaMonitorApp = tui_interface_module.OrKaMonitorApp
            # It might be None or might not exist at all
            assert OrKaMonitorApp is None or OrKaMonitorApp is not None

    def test_module_structure_consistency(self):
        """Test that module structure is consistent regardless of textual availability."""
        # These should always be available
        assert hasattr(tui_interface_module, "ModernTUIInterface")
        assert hasattr(tui_interface_module, "TEXTUAL_AVAILABLE")
        assert hasattr(tui_interface_module, "__all__")

        # Module should have a docstring
        assert tui_interface_module.__doc__ is not None
