from smnp.type.model import Type


class Value:
    def __init__(self, objectType, value):
        self.value = value

        if type(value) == objectType.value[0]:
            self.type = objectType

        elif type(value) == Value:
            raise RuntimeError("Trying to pass object of 'Value' type as value of it")

        else:
            raise RuntimeError(f"Invalid type '{objectType.name}' for value '{value}'")

    def stringify(self):
        return self.type.stringify(self.value)

    def decompose(self):
        if self.type != Type.LIST:
            raise RuntimeError(f"Method 'decompose' can be applied only for lists")

        if len(self.value) == 1:
            return Value(self.value[0].type, self.value[0].value)

        return self

    def __str__(self):
        return f"{self.type.name}({self.value})"

    def __repr__(self):
        return self.__str__()