#===============================================================================
# Copyright (C) 2010 Diego Duclos
#
# 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, Float, Unicode, ForeignKey, String, Boolean
from sqlalchemy.orm import relation, mapper, synonym, deferred
from sqlalchemy.ext.associationproxy import association_proxy
from eos.types import Attribute, Icon, AttributeInfo, Unit
from eos.db import gamedata_meta
typeattributes_table = Table("dgmtypeattribs", gamedata_meta,
                         Column("value", Float),
                         Column("typeID", Integer, ForeignKey("invtypes.typeID"), primary_key=True, index=True),
                         Column("attributeID", ForeignKey("dgmattribs.attributeID"), primary_key=True))

attributes_table = Table("dgmattribs", gamedata_meta,
                         Column("attributeID", Integer, primary_key = True),
                         Column("attributeName", String),
                         Column("defaultValue", Float),
                         Column("maxAttributeID", Integer, ForeignKey("dgmattribs.attributeID")),
                         Column("description", Unicode),
                         Column("published", Boolean),
                         Column("displayName", String),
                         Column("highIsGood", Boolean),
                         Column("iconID", Integer, ForeignKey("icons.iconID")),
                         Column("unitID", Integer, ForeignKey("dgmunits.unitID")))

mapper(Attribute, typeattributes_table,
       properties = {"info": relation(AttributeInfo, lazy=False)})

mapper(AttributeInfo, attributes_table,
       properties = {"icon" : relation(Icon),
                     "unit": relation(Unit),
                     "ID": synonym("attributeID"),
                     "name": synonym("attributeName"),
                     "description" : deferred(attributes_table.c.description)})

Attribute.ID = association_proxy("info", "attributeID")
Attribute.name = association_proxy("info", "attributeName")
Attribute.description = association_proxy("info", "description")
Attribute.published = association_proxy("info", "published")
Attribute.displayName = association_proxy("info", "displayName")
Attribute.highIsGood = association_proxy("info", "highIsGood")
Attribute.iconID = association_proxy("info", "iconID")
Attribute.icon = association_proxy("info", "icon")
Attribute.unit = association_proxy("info", "unit")