import logging
import os

from flask import Flask
from flask.ext.principal import Principal
from flask.ext.login import LoginManager
from flask.ext.mail import Mail
from config import ProductionConfig, DebugConfig

app = Flask(__name__)

is_prod = os.environ.get('STACK', '').strip().lower().startswith('prod')
config_object = ProductionConfig() if is_prod else DebugConfig()
app.config.from_object(config_object)

logger = logging.getLogger(__name__)

Principal(app, use_sessions=True)

login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'signin'

mail = Mail()
mail.init_app(app)