from twisted.python import log

from twisted.internet import reactor

from twisted.web import resource

from sqlalchemy import create_engine, pool

from sqlalchemy.exc import ArgumentError

import sys

import logging

from iro.controller.pool import dbPool

from iro.view import xmlrpc

from iro import config, main, __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 main routine.', version=__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.")

        logging.info("Now you can run "+sys.argv[0])

    else:

        logging.info("Please edit iro.conf and run %s --install"%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.')

        logging.info("Now you can run "+sys.argv[0])

    else:

        logging.warning('offerlist is not up-to-date.')

        logging.info("Please run %s --update"%sys.argv[0])

    sys.exit(1)

if args.install or args.update:

    logging.info('Nothing todo for me.')

    logging.info("Now you can run "+sys.argv[0])

    sys.exit(1)

root = resource.Resource()

root = xmlrpc.appendResource(root)

v2 = resource.Resource()

v2 = xmlrpc.appendResource(root)

root.putChild('2.0', v2)

reactor.callLater(0.2, config.readConfig)

main.runReactor(reactor, engine, config.main.port, root)