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

"""
This script runs the application using an production server on your local machine.

"""
from __future__ import annotations

from werkzeug.datastructures import RequestCacheControl as RCC
import sys
from website.cwd_flask import w3_prefix, website_named_host, website_port
from os import path
_dir = path.dirname(path.abspath(__file__))
w3_dir = path.join(_dir, "website", "templates")
w3proxy_dir = path.join(_dir, "..", "website_and_proxy")
sys.path.insert(0, w3_dir)
sys.path.insert(0, w3proxy_dir)

from socket import gethostname
from urllib.parse import urlparse
from os.path import exists
from user_db import User
from user_db import db, app_new
from flask_login import LoginManager

DB_NAME = "database.db"


def create_app():
    app_new.config['SECRET_KEY'] = 'p0ldogn678xkdmcvf876lopr45bgnmkiyfxzaqw345tyu8'
    app_new.config['SQLALCHEMY_DATABASE_URI'] = f'sqlite:///{DB_NAME}'
    app_new.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
    app_new.config['SERVER_NAME'] = website_named_host or '127.0.0.1'
    db.init_app(app_new)
    w3_root: str = w3_prefix or '/'
    from website.views import views
    from website.auth import auth
    from website import set_dirs
    if not auth:
        return
    app_new.register_blueprint(views, url_prefix=w3_root)
    app_new.register_blueprint(auth, url_prefix=w3_root)

    create_database(app_new)

    login_manager = LoginManager()
    login_manager.login_view = '..auth.login'
    login_manager.init_app(app_new)

    @login_manager.user_loader
    def load_user(id):
        return User.query.get(int(id))

    _dir = path.dirname(path.abspath(__file__))
    app_new.template_folder = path.join(_dir, "website", "templates")
    app_new.static_folder = path.join(_dir, "website", "static")
    app_dir = path.join(_dir, "app")
    set_dirs(app_new.static_folder, app_new.template_folder, app_dir)

    return app_new


def create_database(app):
    if not exists(DB_NAME):
        db.create_all(app=app)



def begin_flask():
    try:
        from twisted.internet import reactor
        from twisted.internet.error import CannotListenError
        from twisted.web.server import Site
        from twisted.web.wsgi import WSGIResource
        i_port: int = int(website_port) or 80
        n_host: str = str(website_named_host) or '127.0.0.1'
        # Uncomment the 3 lines below and comment out the app.run() for Windows
        # compatable production server.
        #flask_site = WSGIResource(reactor, reactor.getThreadPool(), app)
        #reactor.listenTCP(i_port, Site(flask_site), 65535, n_host)
        #reactor.run()
        app.run(n_host, i_port, debug=True)
        print('Running web-server: http://' + n_host + ':' + str(i_port))
    except CannotListenError:
        print("\nERROR: Unable to listen on flask website listening port, maybe it is already running somewhere" \
                + " else, or listening port is in use by another application. Or, you need privileged access -- if" \
                + " so, set port to one chosen from between the range of 1024 to 5000.")

app = create_app()

if __name__ == '__main__':
    if 'liveconsole' not in gethostname():
        begin_flask()