#!/usr/bin/env python3

# Copyright (c) Facebook, Inc. and its affiliates.
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.

from datetime import datetime

from mephisto.abstractions.providers.mturk.mturk_unit import MTurkUnit
from mephisto.abstractions.providers.mturk_sandbox.provider_type import PROVIDER_TYPE
from typing import Any, TYPE_CHECKING

if TYPE_CHECKING:
    from mephisto.data_model.unit import Unit
    from mephisto.abstractions.database import MephistoDB
    from mephisto.data_model.assignment import Assignment


class SandboxMTurkUnit(MTurkUnit):
    """
    This class tracks the status of an individual worker's contribution to a
    higher level assignment. It is the smallest 'unit' of work to complete
    the assignment, and this class is only responsible for checking
    the status of that work itself being done.
    """

    # Ensure inherited methods use this level's provider type
    PROVIDER_TYPE = PROVIDER_TYPE

    def _get_client(self, requester_name: str) -> Any:
        """
        Get an mturk client for usage with mturk_utils
        """
        return self.datastore.get_sandbox_client_for_requester(requester_name)

    @staticmethod
    def new(db: "MephistoDB", assignment: "Assignment", index: int, pay_amount: float) -> "Unit":
        """Create a Unit for the given assignment"""
        return SandboxMTurkUnit._register_unit(db, assignment, index, pay_amount, PROVIDER_TYPE)
