from gui.v2.infrastructure.action_registry import register_action
from core.infrastructure.global_state_coordinator import coordinate_evaluation
from core.models.Result import Result, ResultError

from gui.v2.infrastructure.setup_observers import connection_observer

def empty_filler(result: Result) -> Result:
    """To have a callback, even when one is not required."""
    return result


@register_action(ResultError.ZOMBIE_CONNECTION)
def evaluate_bad_state() -> Result:
    """Start core's evaluation of state with a GUI observer."""
    return coordinate_evaluation(connection_observer=connection_observer)

@register_action(ResultError.SUBSCRIPTION)
def navigate_to_new_sub_page() -> Result:
    return Result(valid=False, error_type=ResultError.NAVIGATE_TO, navigate_to="id")