##############################################################################
#
# Copyright (c) 2004-2008 Tiny SPRL (http://tiny.be) All Rights Reserved.
#
# $Id$
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
###############################################################################

import sql_db
import osv.osv
import tools
import addons
import netsvc

db_dic = {}
pool_dic = {}

def get_db_and_pool(db_name, force_demo=False, status=None, update_module=False):
    if not status:
        status={}
    if db_name in db_dic:
        db = db_dic[db_name]
    else:
        logger = netsvc.Logger()
        logger.notifyChannel('pooler', netsvc.LOG_INFO, 'Connecting to %s' % (db_name))
        db = sql_db.db_connect(db_name)
        db_dic[db_name] = db
    
    if db_name in pool_dic:
        pool = pool_dic[db_name]
    else:
        pool = osv.osv.osv_pool()
        pool_dic[db_name] = pool
        addons.load_modules(db, force_demo, status, update_module)

        if not update_module:
            import report
            report.interface.register_all(db)
            pool.get('ir.cron')._poolJobs(db.dbname)
    return db, pool

def restart_pool(db_name, force_demo=False, update_module=False):
#   del db_dic[db_name]
    del pool_dic[db_name]
    return get_db_and_pool(db_name, force_demo, update_module=update_module)

def close_db(db_name):
    if db_name in db_dic:
        db_dic[db_name].truedb.close()
        del db_dic[db_name]
    if db_name in pool_dic:
        del pool_dic[db_name]

def get_db_only(db_name):
    if db_name in db_dic:
        db = db_dic[db_name]
    else:
        db = sql_db.db_connect(db_name)
        db_dic[db_name] = db
    return db

def get_db(db_name):
#   print "get_db", db_name
    return get_db_and_pool(db_name)[0]

def get_pool(db_name, force_demo=False, status=None, update_module=False):
#   print "get_pool", db_name
    pool = get_db_and_pool(db_name, force_demo, status, update_module)[1]
#   addons.load_modules(db_name, False)
#   if not pool.obj_list():
#       pool.instanciate()
#   print "pool", pool
    return pool
#   return get_db_and_pool(db_name)[1]

def init():
    global db
#   db = get_db_only(tools.config['db_name'])
    sql_db.init()

