from twisted.internet import reactor

from twisted.internet.defer import inlineCallbacks

import io

from iro.model import offer

from iro.config import configParser

from iro.offer import Offer, providers as OfferProviders, Provider

from iro.model.schema import User, Offer as DBOffer, Userright

from iro.controller.pool  import dbPool

from iro.error import NoProvider

from .dbtestcase import DBTestCase

class TestOffers(DBTestCase):

    '''test config class'''

    def setUp(self):

        DBTestCase.setUp(self)

        dbPool.start(reactor)

    def tearDown(self):

        for s in configParser.sections():

            configParser.remove_section(s)

        dbPool.pool.stop()

        offer.offers.clear()

        try:

            del(OfferProviders["test"])

        except KeyError:

            pass

        offer.providers.clear()

        DBTestCase.tearDown(self)

    def testReloadList(self):

        '''test if loadOffers will be fired by reloading Config'''

        self.assertTrue(offer.loadOffers in configParser.reloadList)

    @inlineCallbacks

    def testExtendProviderUnknown(self):

        '''test the extendProvider Function (route unknown)'''

        with self.session() as session:

            u = User(name='test',apikey='abcdef123456789')

            session.add(u)

        offer.offers={"blub":None}

        ret = yield offer.extendProvider(u, "sms", ["blub"])

        self.assertEqual(ret, [])

    @inlineCallbacks

    def testExtendProviderKnown(self):

        '''test the extendProvider Function (route known)'''

        with self.session() as session:

            u = User(name='test',apikey='abcdef123456789')

            session.add(u)

            o=DBOffer(name="blub", provider="bla", route="basic", typ="sms")

            u.rights.append(Userright(o)) 

        offer.offers={"blub":None}

        ret = yield offer.extendProvider(u, "sms", ["blub"])

        self.assertEqual(ret, ["blub"])

        ret = yield offer.extendProvider(u, "sms", ["blub", "blub"])

        self.assertEqual(ret, ["blub"])

    @inlineCallbacks

    def testExtendProviderProvider(self):

        '''test the extendProvider Function (provider known)'''

        with self.session() as session:

            u = User(name='test',apikey='abcdef123456789')

            session.add(u)

            o=DBOffer(name="oh", provider="bla", route="a", typ="sms")

            u.rights.append(Userright(o)) 

        offer.providers={"bla":Provider("bla", {"sms":["a","b","c"]})}

        for l in [['bla'],['oh'],['oh','bla'],['bla','oh']]:

            ret = yield offer.extendProvider(u, "sms", l)

            self.assertEqual(ret, ["oh"])

    @inlineCallbacks

    def testExtendProviderDouble(self):

        '''test the extendProvider Function (provider and name doubles)'''

        with self.session() as session:

            u = User(name='test',apikey='abcdef123456789')

            session.add(u)

            o=DBOffer(name="oh", provider="bla", route="a", typ="sms")

            u.rights.append(Userright(o)) 

            o=DBOffer(name="a", provider="bla", route="b", typ="sms")

            u.rights.append(Userright(o)) 

        offer.providers={"bla":Provider("bla",  {"sms":["a","b","c"]})}

        ret = yield offer.extendProvider(u, "sms",  ["bla"])

        self.assertEqual(ret, ["oh","a"])

        ret = yield offer.extendProvider(u, "sms",  ["a","bla"])

        self.assertEqual(ret, ["a","oh"])

        ret = yield offer.extendProvider(u, "sms",  ["bla", "a"])

        self.assertEqual(ret, ["oh","a"])

    @inlineCallbacks

    def testLoadOffers(self):

        class TestProvider(Provider):

            def __init__(self,name):

                Provider.__init__(self,name,{"sms":["a",]})

        with self.session() as session:

            session.add(DBOffer(name="oh", provider="p", route="a", typ="sms"))

        sample_config = """[p]

typ = test

"""

        configParser.readfp(io.BytesIO(sample_config))

        OfferProviders["test"]=TestProvider

        yield offer.loadOffers()        

        self.assertEqual(offer.offers.keys(),["oh"])

        self.assertEqual(offer.providers.keys(),["p"])

        self.assertEqual(offer.providers["p"].name,"p")

        self.assertEqual(offer.providers["p"].typ,"test")

        self.assertEqual(offer.offers["oh"],Offer(provider=offer.providers["p"], name="oh", route="a", typ="sms"))

    def testLoadOffersUnknown(self):

        with self.session() as session:

            session.add(DBOffer(name="oh", provider="p", route="a", typ="sms"))

        sample_config = """[p]

typ = unknown

"""

        configParser.readfp(io.BytesIO(sample_config))

        d = offer.loadOffers()        

        self.assertFailure(d, NoProvider)

        return d