#!/usr/bin/env python3
from flask import Flask
from flask_restful import Api
import sentry_sdk
from sentry_sdk.integrations.flask import FlaskIntegration
from sentry_sdk.integrations.sqlalchemy import SqlalchemyIntegration
from healthcheck import HealthCheck

from config import Config
from db import db
from marshm import ma
from influxus import influx_db
from resources import SampleResource, SampleParameterResource
from healthchecks import health_database_status, ampq_connection_status

import atexit

from apscheduler.schedulers.background import BackgroundScheduler
from magic_ampq import magic_ampq

"""
Main Flask RESTful API
"""

__author__ = "@tormakris"
__copyright__ = "Copyright 2020, Birbnetes Team"
__module_name__ = "app"
__version__text__ = "1"

if Config.SENTRY_DSN:
    sentry_sdk.init(
        dsn=Config.SENTRY_DSN,
        integrations=[FlaskIntegration(), SqlalchemyIntegration()],
        traces_sample_rate=1.0,
        send_default_pii=True,
        release=Config.RELEASE_ID,
        environment=Config.RELEASEMODE,
        _experiments={"auto_enabling_integrations": True}
    )

app = Flask(__name__)
app.config.from_object(Config)

api = Api(app)
health = HealthCheck()
db.init_app(app)
ma.init_app(app)

# ampq magic stuff
magic_ampq.init_app(app)

ampq_loop_scheduler = BackgroundScheduler()
ampq_loop_scheduler.add_job(func=lambda: magic_ampq.loop(), trigger="interval", seconds=5)
atexit.register(lambda: ampq_loop_scheduler.shutdown())

ampq_loop_scheduler.start()

if Config.ENABLE_INFLUXDB:
    influx_db.init_app(app)


@app.before_first_request
def init_db():
    if Config.ENABLE_INFLUXDB:
        influx_db.database.create(Config.INFLUXDB_DATABASE)
    db.create_all()


api.add_resource(SampleResource, "/sample")
api.add_resource(SampleParameterResource, '/sample/<tag>')

health.add_check(health_database_status)
health.add_check(ampq_connection_status)

app.add_url_rule("/healthz", "healthcheck", view_func=lambda: health.run())