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

import features

from storage import Storage
from data.userfiles import Userfiles
from util.analytics import Analytics
from util.exceptionlog import Sentry
from util.queuemetrics import QueueMetrics
from data.billing import Billing
from data.buildlogs import BuildLogs
from data.queue import WorkQueue


OVERRIDE_CONFIG_FILENAME = 'conf/stack/config.py'


app = Flask(__name__)
logger = logging.getLogger(__name__)


if 'TEST' in os.environ:
  from test.testconfig import TestConfig
  logger.debug('Loading test config.')
  app.config.from_object(TestConfig())
else:
  from config import DefaultConfig
  logger.debug('Loading default config.')
  app.config.from_object(DefaultConfig())

  if os.path.exists(OVERRIDE_CONFIG_FILENAME):
    logger.debug('Applying config file: %s', OVERRIDE_CONFIG_FILENAME)
    app.config.from_pyfile(OVERRIDE_CONFIG_FILENAME)

features.import_features(app.config)

Principal(app, use_sessions=False)

login_manager = LoginManager(app)
mail = Mail(app)
storage = Storage(app)
userfiles = Userfiles(app)
analytics = Analytics(app)
billing = Billing(app)
sentry = Sentry(app)
build_logs = BuildLogs(app)
queue_metrics = QueueMetrics(app)

image_diff_queue = WorkQueue(app.config['DIFFS_QUEUE_NAME'])
dockerfile_build_queue = WorkQueue(app.config['DOCKERFILE_BUILD_QUEUE_NAME'],
                                   reporter=queue_metrics.report)
webhook_queue = WorkQueue(app.config['WEBHOOK_QUEUE_NAME'])