from .cell import Cell
from enum import Enum

class DeviceStatus(Enum):
    EMPTY = 0
    INSERTED = 1
    MEASURING = 2
    DONE = 3
    ERROR = 4

class Device():
    def __init__(self, id: int, config: dict):
        """
        Initializes a Device instance.

        :param device_id: Unique identifier for the device.
        :param slots: Number of slots available in the device.
        """
        self.id: int = id
        self.i2c_address: str = config['i2c_address']
        self.slots = [Slot(idx) for idx in range(config['num_slots'])]
        self.status_list = [DeviceStatus.EMPTY for _ in range(len(self.slots))]
    
    def get_slot_by_id(self, slot_id: int):
        return next((slot for slot in self.slots if slot.id == slot_id), None)
    
class Slot():
    def __init__(self, id: int):
        self.id = id
        self.curr_cell: Cell = None

    def insert_cell(self, cell: Cell):
        self.curr_cell = cell

    def remove_cell(self):
        self.curr_cell = None

    def is_empty(self) -> bool:
        return self.curr_cell is None

    def get_cell(self) -> Cell:
        return self.curr_cell