#! /usr/bin/env python
# -*- coding: utf-8 -

# required imports and code execution for basic functionning

import os
import conf
import logging
from urllib.parse import urlsplit


def set_logging(
    log_path=None,
    log_level=logging.INFO,
    modules=(),
    log_format="%(asctime)s %(levelname)s %(message)s",
):
    if not modules:
        modules = (
            "root",
            "bootstrap",
            "runserver",
            "web",
            "crawler.default_crawler",
            "manager",
            "plugins",
        )
    if log_path:
        if not os.path.exists(os.path.dirname(log_path)):
            os.makedirs(os.path.dirname(log_path))
        if not os.path.exists(log_path):
            open(log_path, "w").close()
        handler = logging.FileHandler(log_path)
    else:
        handler = logging.StreamHandler()
    formater = logging.Formatter(log_format)
    handler.setFormatter(formater)
    for logger_name in modules:
        logger = logging.getLogger(logger_name)
        logger.addHandler(handler)
        for handler in logger.handlers:
            handler.setLevel(log_level)
        logger.setLevel(log_level)


from flask import Flask
from flask_sqlalchemy import SQLAlchemy

# Create Flask application
application = Flask("web")
if os.environ.get("Newspipe_TESTING", False) == "true":
    application.debug = logging.DEBUG
    application.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///:memory:"
    application.config["TESTING"] = True
else:
    application.debug = conf.LOG_LEVEL <= logging.DEBUG
    application.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
    application.config["SQLALCHEMY_DATABASE_URI"] = conf.SQLALCHEMY_DATABASE_URI
    if "postgres" in conf.SQLALCHEMY_DATABASE_URI:
        application.config["SQLALCHEMY_POOL_SIZE"] = 15
        application.config["SQLALCHEMY_MAX_OVERFLOW"] = 0

scheme, domain, _, _, _ = urlsplit(conf.PLATFORM_URL)
application.config["SERVER_NAME"] = domain
application.config["PREFERRED_URL_SCHEME"] = scheme

set_logging(conf.LOG_PATH, log_level=conf.LOG_LEVEL)

# Create secrey key so we can use sessions
application.config["SECRET_KEY"] = getattr(conf, "WEBSERVER_SECRET", None)
if not application.config["SECRET_KEY"]:
    application.config["SECRET_KEY"] = os.urandom(12)

application.config["SECURITY_PASSWORD_SALT"] = getattr(
    conf, "SECURITY_PASSWORD_SALT", None
)
if not application.config["SECURITY_PASSWORD_SALT"]:
    application.config["SECURITY_PASSWORD_SALT"] = os.urandom(12)

db = SQLAlchemy(application)


def populate_g():
    from flask import g

    g.db = db
    g.app = application