"""
Fixed unit tests that properly isolate functionality without hitting the cluster.
"""

import sys
from unittest.mock import MagicMock, Mock, patch

import pytest


class TestArgumentParsingIsolated:
    """Isolated argument parsing tests"""

    def test_str_to_bool_all_cases(self):
        """Test str_to_bool function thoroughly"""
        from rhoshift.cli.args import str_to_bool

        # True cases
        true_values = ["yes", "true", "t", "y", "1", "YES", "TRUE"]
        for val in true_values:
            assert str_to_bool(val) is True

        # False cases
        false_values = ["no", "false", "f", "n", "0", "NO", "FALSE"]
        for val in false_values:
            assert str_to_bool(val) is False

        # Boolean passthrough
        assert str_to_bool(True) is True
        assert str_to_bool(False) is False

    def test_parse_args_basic_operators(self):
        """Test parsing basic operator arguments"""
        from rhoshift.cli.args import parse_args

        # Test serverless only
        with patch("sys.argv", ["script.py", "--serverless"]):
            args = parse_args()
            assert args.serverless is True
            assert args.rhoai is False

        # Test all operators
        with patch("sys.argv", ["script.py", "--all"]):
            args = parse_args()
            assert args.all is True

    def test_select_operators_logic(self):
        """Test operator selection logic"""
        from rhoshift.cli.args import parse_args, select_operators

        # Test all flag
        with patch("sys.argv", ["script.py", "--all"]):
            args = parse_args()
            selected = select_operators(args)
            assert all(selected.values())

        # Test individual selection
        with patch("sys.argv", ["script.py", "--serverless"]):
            args = parse_args()
            selected = select_operators(args)
            assert selected["serverless"] is True
            assert selected["servicemesh"] is False


class TestConstantsIsolated:
    """Isolated constants tests"""

    def test_operator_config_dataclass(self):
        """Test OperatorConfig dataclass"""
        from rhoshift.utils.constants import OperatorConfig

        config = OperatorConfig(
            name="test-op",
            display_name="Test Operator",
            namespace="test-ns",
            channel="stable",
        )

        assert config.name == "test-op"
        assert config.display_name == "Test Operator"
        assert config.namespace == "test-ns"
        assert config.channel == "stable"

    def test_wait_time_constants(self):
        """Test WaitTime constants"""
        from rhoshift.utils.constants import WaitTime

        assert WaitTime.WAIT_TIME_10_MIN == 600
        assert WaitTime.WAIT_TIME_5_MIN == 300
        assert WaitTime.WAIT_TIME_1_MIN == 60
        assert WaitTime.WAIT_TIME_30_SEC == 30

    def test_manifest_generation_structure(self):
        """Test manifest generation produces valid YAML structure"""
        from rhoshift.utils.constants import get_dsc_manifest, get_dsci_manifest

        # Test DSCI
        dsci = get_dsci_manifest()
        assert "apiVersion:" in dsci
        assert "kind: DSCInitialization" in dsci
        assert "metadata:" in dsci
        assert "spec:" in dsci

        # Test DSC
        dsc = get_dsc_manifest()
        assert "apiVersion:" in dsc
        assert "kind: DataScienceCluster" in dsc
        assert "metadata:" in dsc
        assert "spec:" in dsc

    def test_operator_list_functionality(self):
        """Test operator listing"""
        from rhoshift.utils.constants import OpenShiftOperatorInstallManifest

        operators = OpenShiftOperatorInstallManifest.list_operators()
        assert isinstance(operators, list)
        assert len(operators) > 0

        # Check some expected operators
        expected = ["serverless-operator", "servicemeshoperator", "authorino-operator"]
        for op in expected:
            assert op in operators


class TestEnumsAndDataClasses:
    """Test enums and data classes in isolation"""

    def test_health_status_enum(self):
        """Test HealthStatus enum"""
        from rhoshift.utils.health_monitor import HealthStatus

        assert HealthStatus.HEALTHY.value == "healthy"
        assert HealthStatus.DEGRADED.value == "degraded"
        assert HealthStatus.UNHEALTHY.value == "unhealthy"
        assert HealthStatus.UNKNOWN.value == "unknown"

    def test_stability_level_enum(self):
        """Test StabilityLevel enum"""
        from rhoshift.utils.stability_coordinator import StabilityLevel

        assert StabilityLevel.BASIC.value == 1
        assert StabilityLevel.ENHANCED.value == 2
        assert StabilityLevel.COMPREHENSIVE.value == 3

        # Test value comparisons
        assert StabilityLevel.BASIC.value < StabilityLevel.ENHANCED.value
        assert StabilityLevel.ENHANCED.value < StabilityLevel.COMPREHENSIVE.value

    def test_stability_config_creation(self):
        """Test StabilityConfig creation"""
        from rhoshift.utils.stability_coordinator import StabilityConfig, StabilityLevel

        # Test default config
        config = StabilityConfig()
        assert config.level == StabilityLevel.ENHANCED

        # Test custom config
        custom_config = StabilityConfig(level=StabilityLevel.COMPREHENSIVE)
        assert custom_config.level == StabilityLevel.COMPREHENSIVE


class TestMockingPatterns:
    """Test proper mocking patterns that actually work"""

    @patch("subprocess.run")
    def test_subprocess_mocking_pattern(self, mock_subprocess):
        """Test subprocess mocking that actually works"""
        from rhoshift.utils.utils import run_command

        # Create proper mock response
        mock_result = Mock()
        mock_result.returncode = 0
        mock_result.stdout = "test output"
        mock_result.stderr = ""
        mock_subprocess.return_value = mock_result

        rc, stdout, stderr = run_command("echo test")

        assert rc == 0
        assert "test" in stdout  # Allow for newlines and variations
        assert stderr == ""

    @patch("rhoshift.utils.utils.run_command")
    def test_run_command_direct_mocking(self, mock_run_command):
        """Test direct run_command mocking"""
        from rhoshift.utils.utils import apply_manifest

        mock_run_command.return_value = (0, "applied successfully", "")

        result = apply_manifest("test: manifest")

        assert result[0] == 0
        assert result[1] == "applied successfully"
        mock_run_command.assert_called_once()

    def test_operator_configs_without_cluster(self):
        """Test operator configs without hitting cluster"""
        from rhoshift.utils.operator.operator import OpenShiftOperatorInstaller

        # This should work without cluster access
        configs = OpenShiftOperatorInstaller.get_operator_configs()

        assert isinstance(configs, dict)
        assert len(configs) > 0
        assert "serverless-operator" in configs

        # Verify structure
        serverless_config = configs["serverless-operator"]
        assert "manifest" in serverless_config
        assert "namespace" in serverless_config
        assert "display_name" in serverless_config


class TestDSCILogicIsolated:
    """Test DSCI logic in isolation"""

    @patch("rhoshift.utils.utils.run_command")
    def test_dsci_compatibility_no_rhoai(self, mock_run_command):
        """Test DSCI compatibility when RHOAI not selected"""
        from rhoshift.utils.operator.enhanced_operator import (
            EnhancedOpenShiftOperatorInstaller,
        )

        selected_ops = {"serverless": True, "rhoai": False}
        config = {}

        compatible, warnings = (
            EnhancedOpenShiftOperatorInstaller.validate_dsci_compatibility(
                selected_ops, config
            )
        )

        assert compatible is True
        assert warnings == []
        # Should not call run_command when RHOAI not selected
        mock_run_command.assert_not_called()

    @patch("rhoshift.utils.utils.run_command")
    def test_dsci_compatibility_no_existing_dsci(self, mock_run_command):
        """Test DSCI compatibility when no existing DSCI"""
        from rhoshift.utils.operator.enhanced_operator import (
            EnhancedOpenShiftOperatorInstaller,
        )

        # Mock no existing DSCI
        mock_run_command.return_value = (0, "NOT_FOUND", "")

        selected_ops = {"rhoai": True}
        config = {"rhoai_channel": "stable"}

        compatible, warnings = (
            EnhancedOpenShiftOperatorInstaller.validate_dsci_compatibility(
                selected_ops, config
            )
        )

        assert compatible is True
        assert warnings == []
        mock_run_command.assert_called_once()

    @patch("rhoshift.utils.utils.run_command")
    def test_dsci_compatibility_with_conflict(self, mock_run_command):
        """Test DSCI compatibility with namespace conflict"""
        from rhoshift.utils.operator.enhanced_operator import (
            EnhancedOpenShiftOperatorInstaller,
        )

        # Mock existing DSCI with different namespace
        mock_run_command.return_value = (0, "redhat-ods-monitoring", "")

        selected_ops = {"rhoai": True}
        config = {"rhoai_channel": "odh-nightlies", "create_dsc_dsci": False}

        compatible, warnings = (
            EnhancedOpenShiftOperatorInstaller.validate_dsci_compatibility(
                selected_ops, config
            )
        )

        assert compatible is True
        assert len(warnings) == 1
        assert "DSCI compatibility" in warnings[0]
        assert "Using existing configuration" in warnings[0]


class TestFunctionalityWithoutCluster:
    """Test functionality that doesn't require cluster access"""

    def test_dependency_resolution(self):
        """Test dependency resolution logic"""
        from rhoshift.utils.constants import OpenShiftOperatorInstallManifest

        # Test Kueue dependency resolution
        resolved = OpenShiftOperatorInstallManifest.resolve_dependencies(
            ["kueue-operator"]
        )

        assert "kueue-operator" in resolved
        assert "openshift-cert-manager-operator" in resolved

        # Dependency should come first
        cert_idx = resolved.index("openshift-cert-manager-operator")
        kueue_idx = resolved.index("kueue-operator")
        assert cert_idx < kueue_idx

    def test_operator_compatibility_validation(self):
        """Test operator compatibility validation"""
        from rhoshift.utils.constants import OpenShiftOperatorInstallManifest

        # Test with valid operators
        warnings = OpenShiftOperatorInstallManifest.validate_operator_compatibility(
            ["serverless-operator", "servicemeshoperator"]
        )
        assert isinstance(warnings, list)

        # Test with empty list
        warnings = OpenShiftOperatorInstallManifest.validate_operator_compatibility([])
        assert warnings == []

    def test_manifest_content_validation(self):
        """Test that manifests contain expected content"""
        from rhoshift.utils.constants import OpenShiftOperatorInstallManifest

        manifest_gen = OpenShiftOperatorInstallManifest()

        # Test serverless manifest
        manifest = manifest_gen.generate_operator_manifest("serverless-operator")

        required_content = [
            "apiVersion: operators.coreos.com/v1alpha1",
            "kind: Subscription",
            "name: serverless-operator",
            "namespace: openshift-serverless",
            "channel: stable",
        ]

        for content in required_content:
            assert content in manifest


class TestErrorHandlingIsolated:
    """Test error handling in isolation"""

    def test_invalid_operator_config_error(self):
        """Test proper error for invalid operator config"""
        from rhoshift.utils.constants import OpenShiftOperatorInstallManifest

        with pytest.raises(ValueError) as excinfo:
            OpenShiftOperatorInstallManifest.get_operator_config("invalid-operator")

        assert "Unknown operator" in str(excinfo.value)

    def test_invalid_operator_install_error(self):
        """Test proper error handling for invalid operator installation"""
        from rhoshift.cli.commands import install_operator

        # This should raise ValueError, not return False
        with pytest.raises(ValueError) as excinfo:
            install_operator("invalid-operator", {"oc_binary": "oc"})

        assert "Unknown operator" in str(excinfo.value)

    @patch(
        "rhoshift.utils.operator.operator.OpenShiftOperatorInstaller.install_rhoai_operator"
    )
    def test_rhoai_enhanced_error_handling(self, mock_install):
        """Test enhanced RHOAI error handling"""
        from rhoshift.utils.operator.operator import OpenShiftOperatorInstaller

        # Test immutable field error
        mock_install.side_effect = Exception("MonitoringNamespace is immutable")

        rc, stdout, stderr = OpenShiftOperatorInstaller.install_rhoai_operator_enhanced(
            rhoai_image="test:latest",
            rhoai_channel="stable",
            raw=False,
            create_dsc_dsci=False,
        )

        assert rc == 1
        assert stdout == ""
        assert "DSCI conflict" in stderr
        assert "Use --deploy-rhoai-resources" in stderr


class TestLoggerIsolated:
    """Test logger functionality in isolation"""

    def test_logger_creation_and_usage(self):
        """Test logger creation and basic usage"""
        from rhoshift.logger.logger import Logger

        # Test getting logger
        logger = Logger.get_logger("test_logger")
        assert logger is not None
        assert logger.name == "test_logger"

        # Test different loggers
        logger2 = Logger.get_logger("test_logger_2")
        assert logger2.name == "test_logger_2"
        assert logger is not logger2

        # Test same name returns same instance
        logger3 = Logger.get_logger("test_logger")
        assert logger is logger3

    def test_logger_methods_exist(self):
        """Test that logger has expected methods"""
        from rhoshift.logger.logger import Logger

        logger = Logger.get_logger("method_test")

        # These methods should exist and be callable
        assert hasattr(logger, "info")
        assert hasattr(logger, "warning")
        assert hasattr(logger, "error")
        assert hasattr(logger, "debug")

        assert callable(logger.info)
        assert callable(logger.warning)
        assert callable(logger.error)
        assert callable(logger.debug)


class TestCleanupFunctionality:
    """Test cleanup functionality"""

    def test_cleanup_function_exists(self):
        """Test that cleanup functions exist"""
        from rhoshift.utils.operator.cleanup import cleanup, cleanup_all_operators

        assert callable(cleanup)
        assert callable(cleanup_all_operators)

    @patch("rhoshift.utils.utils.run_command")
    @patch("os.path.exists")
    @patch("os.chmod")
    def test_cleanup_execution_mocked(self, mock_chmod, mock_exists, mock_run_command):
        """Test cleanup execution with proper mocking"""
        from rhoshift.utils.operator.cleanup import cleanup_all_operators

        # Mock file exists
        mock_exists.return_value = True
        # Mock run_command success
        mock_run_command.return_value = (0, "cleanup completed", "")

        # This should not raise an exception
        result = cleanup_all_operators()

        # Function should complete (return None or success)
        assert result is None or result == (0, "cleanup completed", "")


class TestResilientOperationsIsolated:
    """Test resilient operations in isolation"""

    def test_execute_resilient_operation_success(self):
        """Test resilient operation success case"""
        from rhoshift.utils.resilience import execute_resilient_operation

        def successful_operation():
            return "operation completed"

        success, result, warnings = execute_resilient_operation(
            successful_operation, "test operation"
        )

        assert success is True
        assert result == "operation completed"
        assert isinstance(warnings, list)

    def test_execute_resilient_operation_failure(self):
        """Test resilient operation failure case"""
        from rhoshift.utils.resilience import execute_resilient_operation

        def failing_operation():
            raise Exception("operation failed")

        success, result, warnings = execute_resilient_operation(
            failing_operation, "failing operation", max_retries=1
        )

        assert success is False
        assert isinstance(warnings, list)
        # Result should contain error information
        assert "operation failed" in str(result) or isinstance(result, Exception)


class TestMainFunctionProperlyMocked:
    """Test main function with comprehensive mocking"""

    def test_main_no_operators(self):
        """Test main with no operators selected"""
        from rhoshift.main import main

        with patch("sys.argv", ["script.py"]):
            result = main()

        assert result == 1

    @patch("rhoshift.utils.resilience.run_preflight_checks")
    @patch("rhoshift.cli.commands.install_operator")
    @patch("rhoshift.utils.health_monitor.check_operator_health")
    @patch("time.time")
    def test_main_serverless_fully_mocked(
        self, mock_time, mock_health, mock_install, mock_preflight
    ):
        """Test main with serverless - fully mocked"""
        from rhoshift.main import main

        # Mock all external dependencies
        mock_preflight.return_value = (True, [])
        mock_install.return_value = True
        mock_health.return_value = (None, {})  # Health check success
        mock_time.side_effect = [1000.0, 1060.0]  # 60 second duration

        with patch("sys.argv", ["script.py", "--serverless"]):
            result = main()

        assert result == 0
        mock_preflight.assert_called_once()
        mock_install.assert_called_once()

    @patch("rhoshift.utils.operator.cleanup.cleanup_all_operators")
    @patch("rhoshift.cli.commands.install_operators")
    @patch("time.time")
    def test_main_cleanup_and_install_mocked(
        self, mock_time, mock_install, mock_cleanup
    ):
        """Test main with cleanup and install - fully mocked"""
        from rhoshift.main import main

        mock_cleanup.return_value = None
        mock_install.return_value = True
        mock_time.side_effect = [1000.0, 1120.0]  # 120 second duration

        with patch("sys.argv", ["script.py", "--cleanup", "--serverless"]):
            result = main()

        assert result == 0
        mock_cleanup.assert_called_once()
        mock_install.assert_called_once()


class TestOperatorInstallationMocked:
    """Test operator installation with proper mocking"""

    @patch(
        "rhoshift.utils.operator.operator.OpenShiftOperatorInstaller.install_operator"
    )
    def test_individual_operator_methods(self, mock_install):
        """Test individual operator installation methods"""
        from rhoshift.utils.operator.operator import OpenShiftOperatorInstaller

        mock_install.return_value = (0, "Installation successful", "")

        # Test serverless
        rc, stdout, stderr = OpenShiftOperatorInstaller.install_serverless_operator()
        assert rc == 0
        assert "successful" in stdout.lower()

        # Test servicemesh
        rc, stdout, stderr = OpenShiftOperatorInstaller.install_servicemeshoperator()
        assert rc == 0
        assert "successful" in stdout.lower()

        # Should have called install_operator twice
        assert mock_install.call_count == 2

    @patch(
        "rhoshift.utils.operator.operator.OpenShiftOperatorInstaller.install_rhoai_operator"
    )
    def test_enhanced_rhoai_success(self, mock_install):
        """Test enhanced RHOAI installation success"""
        from rhoshift.utils.operator.operator import OpenShiftOperatorInstaller

        mock_install.return_value = {"status": "success"}

        rc, stdout, stderr = OpenShiftOperatorInstaller.install_rhoai_operator_enhanced(
            rhoai_image="test:latest",
            rhoai_channel="stable",
            raw=False,
            create_dsc_dsci=False,
        )

        assert rc == 0
        assert "successful" in stdout.lower()
        assert stderr == ""


class TestPackageStructureValidation:
    """Validate package structure and imports"""

    def test_core_module_imports(self):
        """Test that core modules import successfully"""
        # These should not raise ImportError
        import rhoshift
        import rhoshift.cli
        import rhoshift.cli.args
        import rhoshift.cli.commands
        import rhoshift.logger
        import rhoshift.main
        import rhoshift.utils
        import rhoshift.utils.constants
        import rhoshift.utils.operator
        import rhoshift.utils.operator.enhanced_operator
        import rhoshift.utils.operator.operator

        # All should be importable
        assert all(
            [
                rhoshift,
                rhoshift.main,
                rhoshift.cli,
                rhoshift.cli.args,
                rhoshift.cli.commands,
                rhoshift.utils,
                rhoshift.utils.constants,
                rhoshift.utils.operator,
                rhoshift.utils.operator.operator,
                rhoshift.utils.operator.enhanced_operator,
                rhoshift.logger,
            ]
        )

    def test_key_functions_callable(self):
        """Test that key functions are callable"""
        from rhoshift.cli.args import build_config, parse_args, select_operators
        from rhoshift.cli.commands import install_operator, install_operators
        from rhoshift.main import main
        from rhoshift.utils.constants import get_dsc_manifest, get_dsci_manifest
        from rhoshift.utils.operator.cleanup import cleanup_all_operators
        from rhoshift.utils.resilience import (
            execute_resilient_operation,
            run_preflight_checks,
        )

        functions = [
            main,
            parse_args,
            build_config,
            select_operators,
            install_operator,
            install_operators,
            get_dsci_manifest,
            get_dsc_manifest,
            execute_resilient_operation,
            run_preflight_checks,
            cleanup_all_operators,
        ]

        for func in functions:
            assert callable(func), f"Function {func.__name__} is not callable"


class TestConfigurationFlow:
    """Test configuration flow without external dependencies"""

    def test_complete_config_workflow_isolated(self):
        """Test complete configuration workflow"""
        from rhoshift.cli.args import build_config, parse_args, select_operators

        # Test with minimal args that don't require external validation
        with patch("sys.argv", ["script.py", "--serverless", "--timeout", "600"]):
            args = parse_args()
            config = build_config(args)
            selected = select_operators(args)

        # Verify parsing
        assert args.serverless is True
        assert args.timeout == 600

        # Verify config
        assert config["timeout"] == 600
        assert config["oc_binary"] == "oc"

        # Verify selection
        assert selected["serverless"] is True
        assert selected["servicemesh"] is False

    def test_kueue_management_state_handling(self):
        """Test Kueue management state handling"""
        from rhoshift.cli.args import parse_args, select_operators

        # Test default Kueue
        with patch("sys.argv", ["script.py", "--kueue"]):
            args = parse_args()
            selected = select_operators(args)

        assert selected["kueue"] == "Unmanaged"

        # Test explicit Managed
        with patch("sys.argv", ["script.py", "--kueue", "Managed"]):
            args = parse_args()
            selected = select_operators(args)

        assert selected["kueue"] == "Managed"
