import tweepy

default_json_file = os.path.abspath('default.json')

last_state_file = os.path.abspath('laststate.json')

if not os.path.exists(default_json_file):

    raise RuntimeError('default.json does not exists!')

elif not os.path.isfile(default_json_file):

    raise RuntimeError('default.json is not a file!')

possible_open_tweets = (

    'The space is now open!',

    'The space is open! Come in and hack something!',

    'Yes, we\'re open! Come in and create something!',

    'Come by and hack something! We\'ve just opened!',

    'The ChaosStuff is now open for everyone!',

)

possible_closed_tweets = (

    'The space is now closed!',

    'We\'re closed now! See you soon.',

    'Sorry, we are closed now!',

)

    if 'TWITTER_CONSUMER_KEY' in current_app.config:

        auth = tweepy.OAuthHandler(

            current_app.config['TWITTER_CONSUMER_KEY'],

            current_app.config['TWITTER_CONSUMER_SECRET']

        )

        auth.set_access_token(

            current_app.config['TWITTER_ACCESS_TOKEN_KEY'],

            current_app.config['TWITTER_ACCESS_TOKEN_SECRET']

        )

        api = tweepy.API(auth)

class Singleton:

    def __new__(cls, *args, **kwargs):

        key = str(hash(cls))

        if not hasattr(cls, '_instance_dict'):

            cls._instance_dict = {}

        if key not in cls._instance_dict:

            cls._instance_dict[key] = super().__new__(cls, *args, **kwargs)

        return cls._instance_dict[key]

class ActiveStatus(Singleton, dict):

    def reload(self):

        with open(default_json_file, encoding='utf-8') as f:

            self.update(json.load(f))

        if os.path.exists(last_state_file) and os.path.isfile(last_state_file):

            if people_now_present['value'] > 0:

                people_now_present['value'] -= 1

            if 'names' in people_now_present:

                if username in people_now_present['names']:

                    people_now_present['names'].remove(username)

                if not people_now_present['names'] or people_now_present['value'] == 0:

                    del people_now_present['names']

            self['sensors']['people_now_present'][0] = people_now_present

        else:

            pass

    def clear_user_present(self):

        self['sensors']['people_now_presents'][0]['value'] = 0

        if 'names' in self['sensors']['people_now_present'][0]:

            del self['sensors']['people_now_present'][0]['names']

    def send_tweet(self, value):

        tweet = random.choice(possible_open_tweets) if value else random.choice(possible_closed_tweets)

        try:

        except Exception as e:

            current_app.logger.error('Sending tweet failed! %s' % e,

                                     exc_info=True)

    def set_new_state(self, value=None, trigger_person=None, message=None):

        if value is not None and value != self['state']['open']:

            self['state']['open'] = value

            self.send_tweet(value)

            if not value:

                if 'people_now_present' in self['sensors']:

                    self.clear_user_present()

                if 'message' in self['state']:

                    del self['state']['message']

            if trigger_person is None:

                del self['state']['trigger_person']

            else:

                self['state']['trigger_person'] = trigger_person

            self['state']['lastchange'] = int(time())