from marshmallow.fields import DateTime, Integer, validate, Boolean, Float
from marshmallow import post_load
from marshmallow.validate import Range
from teal.marshmallow import SanitizedStr, URL
from ereuse_devicehub.marshmallow import NestedOn
from ereuse_devicehub.resources.schemas import Thing
from ereuse_devicehub.resources.tradedocument.models import TradeDocument
from ereuse_devicehub.resources.documents import models as m


class DataWipeDocument(Thing):
    __doc__ = m.DataWipeDocument.__doc__
    id = Integer(description=m.DataWipeDocument.id.comment, dump_only=True)
    url = URL(required= False, description=m.DataWipeDocument.url.comment)
    success = Boolean(required=False, default=False, description=m.DataWipeDocument.success.comment)
    software = SanitizedStr(description=m.DataWipeDocument.software.comment)
    date = DateTime(data_key='endTime', 
                    required=False, 
                    description=m.DataWipeDocument.date.comment)
    id_document = SanitizedStr(data_key='documentId', 
                               required=False,
                               default='', 
                               description=m.DataWipeDocument.id_document.comment)
    file_name = SanitizedStr(data_key='filename',
                             default='',
                             description=m.DataWipeDocument.file_name.comment, 
                             validate=validate.Length(max=100))
    file_hash = SanitizedStr(data_key='hash',
                             default='',
                             description=m.DataWipeDocument.file_hash.comment,
                             validate=validate.Length(max=64))

    @post_load
    def get_trade_document(self, data):
        data['document_type'] = 'DataWipeDocument'


class RecycleDocument(Thing):
    __doc__ = m.RecycleDocument.__doc__
    file_hash = SanitizedStr(data_key='hash',
                             default='',
                             description=m.RecycleDocument.file_hash.comment,
                             validate=validate.Length(max=64))
    weight = Float(required=False, validate=Range(0.1), description=m.RecycleDocument.weight.comment)
    lot = NestedOn('Lot', only_query='id', description=m.RecycleDocument.lot.__doc__)

    @post_load
    def get_trade_document(self, data):
        tradedocument = TradeDocument.query.filter_by(file_hash=data['file_hash']).one()
        data['trade_document_id'] = tradedocument.id
        data['file_name'] = tradedocument.file_name
        data['date'] = tradedocument.date
        data['id_document'] = tradedocument.id_document
        data['url'] = tradedocument.url
        data['document_type'] = 'RecycleDocument'