memento.py

# from board import Board

# class TurnMemento:
#     def __init__(self, turn_log):
#         self._turn = turn_log

#     def get_turn(self):
#         return self._turn


# class Caretaker():
#     """
#     Manages the TurnMementos
#     """
#     def __init__(self, board:Board):
#         self._future = []   # redo
#         self._history = []  # undo
#         self._board = board

#     def save(self, turn_memento):
#         """
#         Saves a turn log containing:
#         (worker, move_space, build_space, was_space)
#         """

#         # Empty out redo list whenever player takes turn
#         self._future = []
#         self._history.append(turn_memento)
        
#     def undo(self):

#         # check if there are past moves (WIP DO WE NEED TO DO SOMETHING WHEN UNDO NOT POSSIBLE?)
#         if len(self._history) == 0:
#             return False
#         memento = self._history.pop()
#         # Add to future list for redos
#         self._future.append(memento)
#         self._board.undo_turn(memento)
#         return True

#     def redo(self):

#         if len(self._future) == 0:
#             return False
#         memento = self._future.pop()
#         # Re-add to history list for re-undos
#         self._history.append(memento)
#         self._board.redo_turn(memento)
#         return True