from .error import VMError


def bool_prop(param):
    """meta function for boolean parameters"""

    def fget(self) -> bool:
        return self.getter(param) == 1

    def fset(self, val: bool):
        if not isinstance(val, bool) and val not in (0, 1):
            raise VMError(f"{param} is a boolean parameter")
        self.setter(param, 1 if val else 0)

    return property(fget, fset)


def float_prop(param):
    """meta function for float parameters"""

    def fget(self):
        return self.getter(param)

    def fset(self, val):
        self.setter(param, val)

    return property(fget, fset)


def action_prop(param, val: int = 1):
    """A param that performs an action"""

    def fdo(self):
        self.setter(param, val)

    return fdo


def bus_mode_prop(param):
    """meta function for bus mode parameters"""

    def fget(self) -> bool:
        self._remote.clear_dirty()
        return self.getter(param) == 1

    def fset(self, val: bool):
        if not isinstance(val, bool) and val not in (0, 1):
            raise VMError(f"{param} is a boolean parameter")
        self.setter(param, 1 if val else 0)

    return property(fget, fset)