import os
from flask import Flask
from config import Config
import logging
from loggin.handlers import RotatingFileHandler
from logging.handlers import SMTPHandler
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate
from flask_login import LoginManager
from app import routes, models, errors

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

# Puestos fuera del tutorial
app.jinja_env.auto_reload = True
app.config["TEMPLATES_AUTO_RELOAD"] = True
db = SQLAlchemy(app)
migrate = Migrate(app, db)
login = LoginManager(app)
# sets de default login view
login.login_view = "login"

if not app.debug:
    if app.config["MAIL_SERVER"]:
        auth = None
        if app.config["MAIL_USERNAME"] or app.config["MAIL_PASSWORD"]:
            auth = (app.config["MAIL_USERNAME"], app.config["MAIL_PASSWORD"])
        secure = None
        if app.config["MAIL_USE_TLS"]:
            secure = ()
        mail_handler = SMTPHandler(
            mailhost=(app.config["MAIL_SERVER"], app.config["MAIL_PORT"]),
            fromaddr="no-reply@" + app.config["MAIL_SERVER"],
            toaddrs=app.config["ADMINS"],
            subject="Microblog Failure",
            credentials=auth,
            secure=secure,
        )
        mail_handler.setLevel(logging.ERROR)
        app.logger.addHandler(mail_handler)
    if not os.path.exists("logs"):
        os.mkdir("logs")
    file_handler = RotatingFileHandler(
        "logs/microblog.log", maxBytes=10240, backupCount=10
    )
    file_handler.setFormatter(
        logging.Formatter(
            "%(asctime)s %(levelname)s: %(message)s [in %(pathname)s:%(lineno)d]"
        )
    )
    file_handler.setLevel(logging.INFO)
    app.logger.addHandler(file_handler)

    app.logger.setLevel(logging.INFO)
    app.logger.info("Microblog startup")