# for type hints (predecessor)
from __future__ import annotations

from .mine import Mine
from disarming.parameters.hash_function import TypeHash


class ChainedMine(Mine):
    def __init__(self, position, predecessor: ChainedMine = None, active=True):
        self.type = "chained"
        self.predecessor = predecessor
        super().__init__(TypeHash.CHAINED, position, active)

    def disarm(self, wire):
        if self.predecessor is None or not self.predecessor.active:
            return super().disarm(wire)

        else:
            return False

    def investigate(self):
        return super().investigate()