from enum import Enum


class PalletFlowState(str, Enum):
    UNSTOCKED = 'UNSTOCKED'
    EMPTY_IN_WAREHOUSE = 'EMPTY_IN_WAREHOUSE'
    FILLED_IN_WAREHOUSE = 'FILLED_IN_WAREHOUSE'
    IN_TRANSIT = 'IN_TRANSIT'
    AT_SITE_UNUSED = 'AT_SITE_UNUSED'
    AT_SITE_PARTIAL = 'AT_SITE_PARTIAL'
    AT_SITE_EMPTY = 'AT_SITE_EMPTY'
    RETURNING = 'RETURNING'


class DocumentStatus(str, Enum):
    DRAFT = 'DRAFT'
    CONFIRMED = 'CONFIRMED'


class ReturnStatus(str, Enum):
    REQUESTED = 'REQUESTED'
    CONFIRMED = 'CONFIRMED'


class PalletEventType(str, Enum):
    INBOUND_CONFIRMED = 'INBOUND_CONFIRMED'
    FILLING_CONFIRMED = 'FILLING_CONFIRMED'
    SHIPMENT_CONFIRMED = 'SHIPMENT_CONFIRMED'
    SHIPMENT_RECEIVED = 'SHIPMENT_RECEIVED'
    TUNNEL_ENTERED = 'TUNNEL_ENTERED'
    USAGE_RECORDED = 'USAGE_RECORDED'
    RETURN_REQUESTED = 'RETURN_REQUESTED'
    RETURN_CONFIRMED = 'RETURN_CONFIRMED'


class TestBatchStatus(str, Enum):
    ACTIVE = 'ACTIVE'
    CLOSED = 'CLOSED'
    PURGED = 'PURGED'


class TestBatchPreviewAction(str, Enum):
    ADOPT = 'ADOPT'
    PURGE = 'PURGE'