#!/usr/bin/env python2.7

# Copyright (c) 2012 netzguerilla.net <iro@netzguerilla.net>
# 
# This file is part of Iro.
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
# #Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
# INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
# PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

from twisted.python import log

from sqlalchemy import create_engine, pool
from sqlalchemy.exc import ArgumentError
import sys,os

import logging

from iro.controller.pool import dbPool
from iro import config, __version__, install

observer = log.PythonLoggingObserver()
observer.start()

logging.basicConfig(level=logging.DEBUG, format='%(asctime)s %(name)s(%(processName)s)-%(levelname)s: %(message)s')

import argparse

parser = argparse.ArgumentParser(description='Iro installer.')
parser.add_argument('-v', '--version', action='version', version="%s %s"%(os.path.basename(sys.argv[0]),__version__))
parser.add_argument('--install', action='store_true',
                           help='will create the right database layout.')
parser.add_argument('--update', action='store_true',
                           help='will install all routes and providers.')
args = parser.parse_args()

if not install.checkConfig():
    install.createSampleConfig()
    logging.info("Please edit iro.conf")
    sys.exit(1)

config.init()

try:
    engine = create_engine(config.main.dburl,
           poolclass = pool.SingletonThreadPool,  pool_size=dbPool.maxthreads, )
except ArgumentError:
    logging.error("Can't connect to database")
    logging.info("Please edit iro.conf")
    sys.exit(1)


if not install.checkDatabaseConnection():
    logging.error("Can't connect to database")
    logging.info("Please edit iro.conf")
    sys.exit(1)
    
if not install.checkDatabase():
    logging.error("Database not in right format.")
    if args.install:
        install.createDatabase()
        logging.info("Database layout created.")
    else:
        logging.info("Please edit iro.conf and run %s --install"%os.path.basename(sys.argv[0]))
        sys.exit(1)

routes = [ s for s in config.configParser.sections() if not s in ["main",]]
ao =  install.getAllRoutes(routes, False)
for o in  ao["orphand"]:
    logging.info("Offer(%s) is orphand (no route using this offer)."%o)
if ao["added"]:
    if args.install or args.update:
        ao = install.getAllRoutes(routes,True)
        for a in  ao["added"]:
            logging.info("Added Offer(%s)"%a)
        logging.info('Updated offerlist.')
    else:
        logging.warning('offerlist is not up-to-date.')
        logging.info("Please run %s --update"%os.path.basename(sys.argv[0]))
        sys.exit(1)

logging.info("You can just start your iro server.")