"""Helper script for Robot Framework decision DI wiring smoke tests.

Usage:
    python robot/helper_decision_di.py <subcommand>

Subcommands:
    resolve-service      Verify DecisionService resolves from DI container
    record-integration   Verify decision recording during lifecycle transitions
"""

from __future__ import annotations

import os
import sys
from pathlib import Path
from unittest.mock import create_autospec

# Ensure src is importable when run from workspace root
sys.path.insert(0, str(Path(__file__).resolve().parents[1] / "src"))

from cleveragents.application.services.decision_service import DecisionService  # noqa: I001
from cleveragents.application.services.plan_lifecycle_service import (
    PlanLifecycleService,
)
from cleveragents.infrastructure.database.unit_of_work import UnitOfWork


# ---------------------------------------------------------------------------
# Helpers
# ---------------------------------------------------------------------------


def _make_uow() -> UnitOfWork:
    """Create a UoW backed by an in-memory SQLite database."""
    uow = UnitOfWork("sqlite:///:memory:")
    uow.init_database()
    return uow


# ---------------------------------------------------------------------------
# Subcommands
# ---------------------------------------------------------------------------


def _resolve_service() -> None:
    """Verify DecisionService can be instantiated from the container."""
    os.environ["CLEVERAGENTS_DATABASE_URL"] = "sqlite:///:memory:"

    try:
        from cleveragents.application.container import get_container, reset_container

        reset_container()
        container = get_container()
        svc = container.decision_service()
        assert isinstance(svc, DecisionService), (
            f"Expected DecisionService, got {type(svc).__name__}"
        )
        # Verify it's a Factory (different instances per call)
        svc2 = container.decision_service()
        assert svc is not svc2, "Factory should return different instances"
        reset_container()
    finally:
        os.environ.pop("CLEVERAGENTS_DATABASE_URL", None)

    print("resolve-service-ok")


def _record_integration() -> None:
    """Verify decision recording during plan lifecycle transitions."""
    uow = _make_uow()
    from cleveragents.config.settings import Settings

    mock_settings = create_autospec(Settings, instance=True)
    mock_settings.database_url = "sqlite:///:memory:"
    mock_settings.async_enabled = False

    decision_svc = DecisionService(settings=mock_settings, unit_of_work=uow)
    lifecycle_svc = PlanLifecycleService(
        settings=mock_settings,
        unit_of_work=uow,
        decision_service=decision_svc,
    )

    # Create action + plan
    lifecycle_svc.create_action(
        name="local/robot-di-test",
        description="Robot DI integration test",
        definition_of_done="Pass",
        strategy_actor="local/s",
        execution_actor="local/e",
    )
    plan = lifecycle_svc.use_action("local/robot-di-test")
    plan_id = plan.identity.plan_id

    # Start strategize -> should record a strategy_choice decision
    lifecycle_svc.start_strategize(plan_id)

    decisions = decision_svc.list_decisions(plan_id)
    strategy_decisions = [
        d for d in decisions if str(d.decision_type) == "strategy_choice"
    ]
    assert len(strategy_decisions) >= 1, (
        f"Expected strategy_choice decision, got {len(strategy_decisions)}"
    )

    # Complete strategize and progress to execute
    lifecycle_svc.complete_strategize(plan_id)
    plan = lifecycle_svc.get_plan(plan_id)

    from cleveragents.domain.models.core.plan import PlanPhase

    if plan.phase == PlanPhase.STRATEGIZE:
        lifecycle_svc.execute_plan(plan_id)

    # Start execute -> should record an implementation_choice decision
    lifecycle_svc.start_execute(plan_id)

    decisions = decision_svc.list_decisions(plan_id)
    impl_decisions = [
        d for d in decisions if str(d.decision_type) == "implementation_choice"
    ]
    assert len(impl_decisions) >= 1, (
        f"Expected implementation_choice decision, got {len(impl_decisions)}"
    )

    print("record-integration-ok")


# ---------------------------------------------------------------------------
# Dispatcher
# ---------------------------------------------------------------------------

_COMMANDS = {
    "resolve-service": _resolve_service,
    "record-integration": _record_integration,
}


def main() -> None:
    if len(sys.argv) < 2:
        raise SystemExit(f"Usage: {sys.argv[0]} <{'|'.join(_COMMANDS)}>")
    command = sys.argv[1]
    handler = _COMMANDS.get(command)
    if handler is None:
        raise SystemExit(f"Unknown command: {command}")
    handler()


if __name__ == "__main__":
    main()