from marshmallow import fields as f
from teal.marshmallow import SanitizedStr, EnumField

from ereuse_devicehub.marshmallow import NestedOn
from ereuse_devicehub.resources.deliverynote import models as m
from ereuse_devicehub.resources.enums import TransferState
from ereuse_devicehub.resources.models import STR_SIZE
from ereuse_devicehub.resources.schemas import Thing
from ereuse_devicehub.resources.user import schemas as s_user


class Deliverynote(Thing):
    id = f.UUID(dump_only=True)
    document_id = SanitizedStr(validate=f.validate.Length(max=STR_SIZE),
                               required=True, data_key='documentID')
    creator = NestedOn(s_user.User, dump_only=True)
    supplier_email = SanitizedStr(validate=f.validate.Length(max=STR_SIZE),
                                  load_only=True, required=True, data_key='supplierEmail')
    supplier = NestedOn(s_user.User, dump_only=True)
    receiver = NestedOn(s_user.User, dump_only=True)
    date = f.DateTime('iso', required=True)
    amount = f.Integer(validate=f.validate.Range(min=0, max=100),
                        description=m.Deliverynote.amount.__doc__)
    expected_devices = f.List(f.Dict, required=True, data_key='expectedDevices')
    transferred_devices = f.List(f.Integer(), required=False, data_key='transferredDevices')
    transfer_state = EnumField(TransferState, description=m.Lot.transfer_state.comment)