"""Task Center action API model for Web UI buttons."""

from typing import Any

try:
    from fastapi import APIRouter
except Exception:
    APIRouter = None

from .task_lifecycle import TaskLifecycle


lifecycle = TaskLifecycle()


def get_task_actions(task: dict[str, Any], role: str) -> dict[str, Any]:
    return {
        "task_id": task.get("task_id"),
        "actions": lifecycle.available_actions(task, role),
    }


def execute_task_action(task: dict[str, Any], action: str, role: str, reason: str | None = None):
    return lifecycle.transition(task, action, role, reason)


def build_router():
    if APIRouter is None:
        return None
    router = APIRouter(prefix="/admin/ai-evolution/tasks", tags=["task-actions"])

    @router.post("/{task_id}/actions/{action}", operation_id="executeTaskAction")
    def action(task_id: str, action: str, payload: dict[str, Any]):
        return execute_task_action(payload.get("task", {}), action, payload.get("role", "user"), payload.get("reason"))

    return router


router = build_router()

__all__ = ["router", "get_task_actions", "execute_task_action"]