"""Step definitions for the Action CLI feature."""

from __future__ import annotations

from datetime import datetime
from unittest.mock import MagicMock, patch

from behave import given, then, when
from behave.runner import Context
from typer.testing import CliRunner

from cleveragents.cli.commands.action import app as action_app
from cleveragents.core.exceptions import (
    BusinessRuleViolation,
    CleverAgentsError,
    NotFoundError,
    ValidationError,
)
from cleveragents.domain.models.core.action import (
    Action,
    ActionArgument,
    ArgumentRequirement,
    ArgumentType,
)
from cleveragents.domain.models.core.plan import ActionState, NamespacedName


def _make_cli_action(
    *,
    action_id: str = "01ARZ3NDEKTSV4RRFFQ69G5FAV",
    name: str = "local/test-action",
    state: ActionState = ActionState.DRAFT,
    definition_of_done: str = "Test passes",
    strategy_actor: str = "openai/gpt-4",
    execution_actor: str = "openai/gpt-4",
    arguments: list[ActionArgument] | None = None,
    reusable: bool = True,
    read_only: bool = False,
    created_by: str | None = None,
    short_description: str | None = "Test action",
    long_description: str | None = "A test action for testing",
) -> Action:
    """Create a mock Action for CLI testing."""
    return Action(
        action_id=action_id,
        namespaced_name=NamespacedName.parse(name),
        short_description=short_description,
        long_description=long_description,
        definition_of_done=definition_of_done,
        strategy_actor=strategy_actor,
        execution_actor=execution_actor,
        arguments=arguments or [],
        reusable=reusable,
        read_only=read_only,
        state=state,
        created_at=datetime.now(),
        updated_at=datetime.now(),
        created_by=created_by,
    )


@given("an action CLI runner with mocks")
def step_action_cli_runner_with_mocks(context: Context) -> None:
    """Set up the CLI runner for testing."""
    context.runner = CliRunner()


@given("a mocked plan lifecycle service")
def step_mocked_lifecycle_service(context: Context) -> None:
    """Set up a mock PlanLifecycleService."""
    context.mock_service = MagicMock()
    context.service_patcher = patch(
        "cleveragents.cli.commands.action._get_lifecycle_service",
        return_value=context.mock_service,
    )
    context.service_patcher.start()

    # Store cleanup handler
    if not hasattr(context, "_cleanup_handlers"):
        context._cleanup_handlers = []
    context._cleanup_handlers.append(context.service_patcher.stop)


@given("there are mocked existing actions")
def step_mocked_existing_actions(context: Context) -> None:
    """Set up existing actions in the mock service."""
    context.actions = [
        _make_cli_action(
            action_id="01ARZ3NDEKTSV4RRFFQ69G5FAV",
            name="local/action-one",
            state=ActionState.AVAILABLE,
        ),
        _make_cli_action(
            action_id="01ARZ3NDEKTSV4RRFFQ69G5FAW",
            name="local/action-two",
            state=ActionState.DRAFT,
        ),
        _make_cli_action(
            action_id="01ARZ3NDEKTSV4RRFFQ69G5FAX",
            name="myorg/action-three",
            state=ActionState.AVAILABLE,
        ),
    ]
    context.mock_service.list_actions.return_value = context.actions


@given("there are no mocked actions")
def step_no_mocked_actions(context: Context) -> None:
    """Set up empty actions list."""
    context.mock_service.list_actions.return_value = []


@given('there is a mocked action with ID "{action_id}"')
def step_mocked_action_by_id(context: Context, action_id: str) -> None:
    """Set up an existing action with specific ID."""
    context.existing_action = _make_cli_action(action_id=action_id)
    context.mock_service.get_action.return_value = context.existing_action


@given('there is a mocked action with name "{name}"')
def step_mocked_action_by_name(context: Context, name: str) -> None:
    """Set up an existing action with specific name."""
    context.existing_action = _make_cli_action(name=name)
    context.mock_service.get_action.side_effect = NotFoundError(
        resource_type="action", resource_id="unknown"
    )
    context.mock_service.get_action_by_name.return_value = context.existing_action


@given("there is a mocked action without descriptions")
def step_mocked_action_without_descriptions(context: Context) -> None:
    """Set up an action without optional descriptions."""
    arguments = [
        ActionArgument(
            name="target",
            arg_type=ArgumentType.INTEGER,
            requirement=ArgumentRequirement.REQUIRED,
            description="",
        )
    ]
    context.existing_action = _make_cli_action(
        name="local/no-description",
        arguments=arguments,
        short_description=None,
        long_description=None,
    )
    context.mock_service.get_action.return_value = context.existing_action


@given("there is a mocked draft action")
def step_mocked_draft_action(context: Context) -> None:
    """Set up a draft action."""
    context.existing_action = _make_cli_action(state=ActionState.DRAFT)
    context.mock_service.get_action.return_value = context.existing_action
    context.mock_service.make_action_available.return_value = _make_cli_action(
        state=ActionState.AVAILABLE
    )


@given("there is a mocked available action")
def step_mocked_available_action(context: Context) -> None:
    """Set up an available action."""
    context.existing_action = _make_cli_action(state=ActionState.AVAILABLE)
    context.mock_service.get_action.return_value = context.existing_action
    context.mock_service.archive_action.return_value = _make_cli_action(
        state=ActionState.ARCHIVED
    )


@when('I run action CLI create with name "{name}" and required parameters')
def step_run_action_cli_create(context: Context, name: str) -> None:
    """Run action create command with required parameters."""
    created_action = _make_cli_action(name=name)
    context.mock_service.create_action.return_value = created_action

    result = context.runner.invoke(
        action_app,
        [
            "create",
            name,
            "--strategy-actor",
            "openai/gpt-4",
            "--execution-actor",
            "openai/gpt-4",
            "--definition-of-done",
            "Test passes",
        ],
    )
    context.result = result
    context.created_action = created_action


@when("I run action CLI create with all parameters")
def step_run_action_cli_create_all_params(context: Context) -> None:
    """Run action create command with all parameters."""
    args = [
        ActionArgument(
            name="coverage",
            arg_type=ArgumentType.INTEGER,
            requirement=ArgumentRequirement.REQUIRED,
            description="Target coverage",
        )
    ]
    created_action = _make_cli_action(
        name="local/full-action",
        arguments=args,
    )
    context.mock_service.create_action.return_value = created_action

    result = context.runner.invoke(
        action_app,
        [
            "create",
            "local/full-action",
            "--strategy-actor",
            "openai/gpt-4",
            "--execution-actor",
            "anthropic/claude-3",
            "--definition-of-done",
            "Coverage reaches target",
            "--description",
            "Increase test coverage",
            "--arg",
            "coverage:int:required:Target coverage",
            "--tag",
            "testing",
            "--tag",
            "coverage",
        ],
    )
    context.result = result
    context.created_action = created_action


@when("I run action CLI create with the available flag")
def step_run_action_cli_create_available(context: Context) -> None:
    """Run action create command with --available flag."""
    created_action = _make_cli_action(state=ActionState.DRAFT)
    available_action = _make_cli_action(state=ActionState.AVAILABLE)

    context.mock_service.create_action.return_value = created_action
    context.mock_service.make_action_available.return_value = available_action

    result = context.runner.invoke(
        action_app,
        [
            "create",
            "local/avail-action",
            "--strategy-actor",
            "openai/gpt-4",
            "--execution-actor",
            "openai/gpt-4",
            "--definition-of-done",
            "Test passes",
            "--available",
        ],
    )
    context.result = result
    context.created_action = available_action


@when("I run action CLI create with validation error")
def step_run_action_cli_create_validation_error(context: Context) -> None:
    """Run action create command with service validation error."""
    context.mock_service.create_action.side_effect = ValidationError("Missing fields")
    result = context.runner.invoke(
        action_app,
        [
            "create",
            "local/invalid-action",
            "--strategy-actor",
            "openai/gpt-4",
            "--execution-actor",
            "openai/gpt-4",
            "--definition-of-done",
            "Test passes",
        ],
    )
    context.result = result
    context.expected_error = "Missing fields"


@when("I run action CLI create with service error")
def step_run_action_cli_create_service_error(context: Context) -> None:
    """Run action create command with service error."""
    context.mock_service.create_action.side_effect = CleverAgentsError("Create failed")
    result = context.runner.invoke(
        action_app,
        [
            "create",
            "local/error-action",
            "--strategy-actor",
            "openai/gpt-4",
            "--execution-actor",
            "openai/gpt-4",
            "--definition-of-done",
            "Test passes",
        ],
    )
    context.result = result
    context.expected_error = "Create failed"


@when("I run action CLI create with invalid argument format")
def step_run_action_cli_create_invalid_arg(context: Context) -> None:
    """Run action create command with invalid argument format."""
    result = context.runner.invoke(
        action_app,
        [
            "create",
            "local/bad-action",
            "--strategy-actor",
            "openai/gpt-4",
            "--execution-actor",
            "openai/gpt-4",
            "--definition-of-done",
            "Test passes",
            "--arg",
            "invalid-format",  # Missing type and requirement
        ],
    )
    context.result = result


@when('I run action CLI list with invalid state "{state}"')
def step_run_action_cli_list_invalid_state(context: Context, state: str) -> None:
    """Run action list command with invalid state filter."""
    result = context.runner.invoke(action_app, ["list", "--state", state])
    context.result = result
    context.expected_state = state


@when("I run action CLI list with service error")
def step_run_action_cli_list_service_error(context: Context) -> None:
    """Run action list command when service fails."""
    context.mock_service.list_actions.side_effect = CleverAgentsError("List failed")
    result = context.runner.invoke(action_app, ["list"])
    context.result = result
    context.expected_error = "List failed"


@when("I run action CLI list")
def step_run_action_cli_list(context: Context) -> None:
    """Run action list command."""
    result = context.runner.invoke(action_app, ["list"])
    context.result = result


@when('I run action CLI list with namespace filter "{namespace}"')
def step_run_action_cli_list_namespace(context: Context, namespace: str) -> None:
    """Run action list command with namespace filter."""
    # Filter the actions to only the specified namespace
    filtered = [a for a in context.actions if a.namespaced_name.namespace == namespace]
    context.mock_service.list_actions.return_value = filtered

    result = context.runner.invoke(action_app, ["list", "--namespace", namespace])
    context.result = result


@when("I run action CLI list with available filter")
def step_run_action_cli_list_available(context: Context) -> None:
    """Run action list command with available filter."""
    # Filter to only available actions
    filtered = [a for a in context.actions if a.state == ActionState.AVAILABLE]
    context.mock_service.list_actions.return_value = filtered

    result = context.runner.invoke(action_app, ["list", "--available"])
    context.result = result


@when("I run action CLI show with that ID")
def step_run_action_cli_show_id(context: Context) -> None:
    """Run action show command with the stored action ID."""
    result = context.runner.invoke(
        action_app, ["show", context.existing_action.action_id]
    )
    context.result = result


@when('I run action CLI show with name "{name}"')
def step_run_action_cli_show_name(context: Context, name: str) -> None:
    """Run action show command with name."""
    result = context.runner.invoke(action_app, ["show", name])
    context.result = result


@when("I run action CLI show with service error")
def step_run_action_cli_show_service_error(context: Context) -> None:
    """Run action show command when service fails."""
    context.mock_service.get_action.side_effect = CleverAgentsError("Show failed")
    result = context.runner.invoke(action_app, ["show", "local/show-fail"])
    context.result = result
    context.expected_error = "Show failed"


@when("I run action CLI show with unknown ID")
def step_run_action_cli_show_unknown(context: Context) -> None:
    """Run action show command with unknown ID."""
    context.mock_service.get_action.side_effect = NotFoundError(
        resource_type="action", resource_id="unknown"
    )
    context.mock_service.get_action_by_name.side_effect = NotFoundError(
        resource_type="action", resource_id="unknown"
    )

    result = context.runner.invoke(action_app, ["show", "unknown-id"])
    context.result = result


@when("I run action CLI available with the action ID")
def step_run_action_cli_available(context: Context) -> None:
    """Run action available command."""
    result = context.runner.invoke(
        action_app, ["available", context.existing_action.action_id]
    )
    context.result = result


@when("I run action CLI available with the action name")
def step_run_action_cli_available_by_name(context: Context) -> None:
    """Run action available command using namespaced name."""
    context.mock_service.get_action.side_effect = NotFoundError(
        resource_type="action", resource_id="missing"
    )
    context.mock_service.get_action_by_name.return_value = context.existing_action
    result = context.runner.invoke(
        action_app, ["available", str(context.existing_action.namespaced_name)]
    )
    context.result = result


@when("I run action CLI available with unknown ID")
def step_run_action_cli_available_unknown(context: Context) -> None:
    """Run action available command with unknown ID."""
    context.mock_service.get_action.side_effect = NotFoundError(
        resource_type="action", resource_id="unknown"
    )
    context.mock_service.get_action_by_name.side_effect = NotFoundError(
        resource_type="action", resource_id="unknown"
    )
    result = context.runner.invoke(action_app, ["available", "unknown-id"])
    context.result = result


@when("I run action CLI available with service error")
def step_run_action_cli_available_service_error(context: Context) -> None:
    """Run action available command when service fails."""
    context.mock_service.make_action_available.side_effect = CleverAgentsError(
        "Availability failed"
    )
    result = context.runner.invoke(
        action_app, ["available", context.existing_action.action_id]
    )
    context.result = result
    context.expected_error = "Availability failed"


@when("I run action CLI archive with the action ID")
def step_run_action_cli_archive(context: Context) -> None:
    """Run action archive command."""
    result = context.runner.invoke(
        action_app, ["archive", context.existing_action.action_id]
    )
    context.result = result


@when("I run action CLI archive with service error")
def step_run_action_cli_archive_service_error(context: Context) -> None:
    """Run action archive command when service fails."""
    context.mock_service.archive_action.side_effect = CleverAgentsError(
        "Archive failed"
    )
    result = context.runner.invoke(
        action_app, ["archive", context.existing_action.action_id]
    )
    context.result = result
    context.expected_error = "Archive failed"


@when("I run action CLI archive with unknown ID")
def step_run_action_cli_archive_unknown(context: Context) -> None:
    """Run action archive command with unknown ID."""
    context.mock_service.get_action.side_effect = NotFoundError(
        resource_type="action", resource_id="unknown"
    )
    context.mock_service.get_action_by_name.side_effect = NotFoundError(
        resource_type="action", resource_id="unknown"
    )

    result = context.runner.invoke(action_app, ["archive", "unknown-id"])
    context.result = result


@then("the action CLI create should succeed")
def step_action_cli_create_success(context: Context) -> None:
    """Verify action was created."""
    assert context.result.exit_code == 0, f"CLI failed: {context.result.output}"
    context.mock_service.create_action.assert_called_once()


@then('the action CLI created name should be "{name}"')
def step_action_cli_created_name(context: Context, name: str) -> None:
    """Verify created action name."""
    call_kwargs = context.mock_service.create_action.call_args[1]
    assert call_kwargs["name"] == name


@then("the action CLI should have specified arguments")
def step_action_cli_has_arguments(context: Context) -> None:
    """Verify action has arguments."""
    call_kwargs = context.mock_service.create_action.call_args[1]
    assert len(call_kwargs.get("arguments", [])) > 0


@then("the action CLI should create in available state")
def step_action_cli_available_state(context: Context) -> None:
    """Verify action was made available."""
    context.mock_service.make_action_available.assert_called_once()


@then("the action CLI command should abort")
def step_action_cli_abort(context: Context) -> None:
    """Verify CLI aborted."""
    assert context.result.exit_code != 0


@then("the action CLI should show all actions in a table")
def step_action_cli_show_all_actions(context: Context) -> None:
    """Verify all actions are displayed."""
    assert context.result.exit_code == 0
    assert "Actions" in context.result.output
    # The table may truncate names, so check for partial matches
    for action in context.actions:
        # Check for the beginning of each action name (before truncation)
        name_start = str(action.namespaced_name)[:10]
        assert name_start in context.result.output, (
            f"Expected '{name_start}' in output but not found"
        )


@then("the action CLI should show only local namespace actions")
def step_action_cli_show_local_actions(context: Context) -> None:
    """Verify only local actions are displayed."""
    assert context.result.exit_code == 0
    # Should contain local actions
    assert "local/" in context.result.output


@then("the action CLI should show only available actions")
def step_action_cli_show_available_actions(context: Context) -> None:
    """Verify only available actions are displayed."""
    assert context.result.exit_code == 0


@then("the action CLI should show no actions message")
def step_action_cli_show_no_actions(context: Context) -> None:
    """Verify no actions message is displayed."""
    assert context.result.exit_code == 0
    assert "No actions found" in context.result.output


@then("the action CLI should show the action details")
def step_action_cli_show_action_details(context: Context) -> None:
    """Verify action details are displayed."""
    assert context.result.exit_code == 0
    assert "Action" in context.result.output


@then("the action CLI command should abort for missing action")
def step_action_cli_abort_missing(context: Context) -> None:
    """Verify CLI aborts for missing action."""
    assert context.result.exit_code != 0
    assert "not found" in context.result.output.lower()


@then("the action CLI should make action available")
def step_action_cli_made_available(context: Context) -> None:
    """Verify action was made available."""
    assert context.result.exit_code == 0
    context.mock_service.make_action_available.assert_called_once()


@then("the action CLI should resolve action by name")
def step_action_cli_resolve_by_name(context: Context) -> None:
    """Verify name-based lookup was used."""
    context.mock_service.get_action_by_name.assert_called_once_with(
        str(context.existing_action.namespaced_name)
    )


@then("the action CLI command should abort with business rule violation")
def step_action_cli_abort_business_rule(context: Context) -> None:
    """Verify CLI aborts with business rule violation."""
    # Set up the mock to raise BusinessRuleViolation
    context.mock_service.make_action_available.side_effect = BusinessRuleViolation(
        "Action is already available"
    )

    # Re-run the command
    result = context.runner.invoke(
        action_app, ["available", context.existing_action.action_id]
    )
    assert result.exit_code != 0


@then("the action CLI should abort with validation error")
def step_action_cli_abort_validation_error(context: Context) -> None:
    """Verify CLI aborts with validation error output."""
    assert context.result.exit_code != 0
    assert "Validation Error" in context.result.output
    assert context.expected_error in context.result.output


@then("the action CLI should abort with service error")
def step_action_cli_abort_service_error(context: Context) -> None:
    """Verify CLI aborts with service error output."""
    assert context.result.exit_code != 0
    assert "Error" in context.result.output
    assert context.expected_error in context.result.output


@then("the action CLI should abort with invalid state")
def step_action_cli_abort_invalid_state(context: Context) -> None:
    """Verify CLI aborts with invalid state output."""
    assert context.result.exit_code != 0
    assert "Invalid state" in context.result.output
    assert "Valid values" in context.result.output


@then("the action CLI should archive the action")
def step_action_cli_archived(context: Context) -> None:
    """Verify action was archived."""
    assert context.result.exit_code == 0
    context.mock_service.archive_action.assert_called_once()