# ===============================================================================
# Copyright (C) 2016 Ryan Holmes
#
# This file is part of eos.
#
# eos is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# eos is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with eos.  If not, see <http://www.gnu.org/licenses/>.
# ===============================================================================

from sqlalchemy import Table, Column, Integer, String, DateTime
from sqlalchemy.orm import relation, mapper
import datetime

from eos.db import saveddata_meta
from eos.db.saveddata.implant import implantsSetMap_table
from eos.effectHandlerHelpers import HandledImplantList
from eos.saveddata.implant import Implant
from eos.saveddata.implantSet import ImplantSet

implant_set_table = Table("implantSets", saveddata_meta,
                          Column("ID", Integer, primary_key=True),
                          Column("name", String, nullable=False),
                          Column("created", DateTime, nullable=True, default=datetime.datetime.now),
                          Column("modified", DateTime, nullable=True, onupdate=datetime.datetime.now)
                          )

mapper(ImplantSet, implant_set_table,
       properties={
           "_ImplantSet__implants": relation(
                   Implant,
                   collection_class=HandledImplantList,
                   cascade='all, delete, delete-orphan',
                   backref='set',
                   single_parent=True,
                   primaryjoin=implantsSetMap_table.c.setID == implant_set_table.c.ID,
                   secondaryjoin=implantsSetMap_table.c.implantID == Implant.ID,
                   secondary=implantsSetMap_table),
       }
       )
