#  Copyright (c) PARRRATE T&V 2021. All rights reserved.

from bu4.evaluation.av.aftervalue import AfterValue
from bu4.evaluation.av.envtype import envtype
from bu4.evaluation.constructs.elinked import ELinked
from bu4.evaluation.constructs.evaluable import Evaluable
from bu4.evaluation.targets.avcall import AVCall
from bu4.linking.constructs.linked import Linked

__all__ = ('LCall',)


class LCall(Linked):
    argument: Linked
    lambda_: Linked

    def __init__(self, argument: Linked, lambda_: Linked):
        self.argument = argument
        self.lambda_ = lambda_
        self.future = self.argument.future | self.lambda_.future

    def evaluable(self, env: envtype) -> Evaluable:
        return AfterValue(ELinked(env, self.lambda_), AVCall(env, self.argument))

    def __str__(self):
        return f'/{self.argument}{self.lambda_}'