#!/usr/bin/env python

# SPDX-FileCopyrightText: 2022 Albert Meroño, Rinke Hoekstra, Carlos Martínez
#
# SPDX-License-Identifier: MIT

"""Grlc server.

Usage:
  grlc-server [--port=PORT]

Options:
  --port=PORT   Port the server runs on [default: 8088].
"""
from docopt import docopt
from grlc.server import app as grlc_app
from grlc import __version__ as grlc_version
from grlc import static
from sys import platform


def runViaWaitress(port=8088):
    from waitress import serve
    serve(grlc_app, listen='*:%d'%port)

def runViaGunicorn(port=8088):
    from gunicorn.app.base import BaseApplication
    from gunicorn.six import iteritems
    class StandaloneApplication(BaseApplication):
        def __init__(self, app, options=None):
            self.options = options or {}
            self.application = app
            super(StandaloneApplication, self).__init__()

        def load_config(self):
            config = dict([(key, value) for key, value in iteritems(self.options)
                           if key in self.cfg.settings and value is not None])
            for key, value in iteritems(config):
                self.cfg.set(key.lower(), value)

        def load(self):
            return self.application

    options = {
        'bind': '%s:%d' % ('0.0.0.0', port),
        'workers': 20,
        'debug': static.LOG_DEBUG_MODE,
        'timeout': 90
    }
    StandaloneApplication(grlc_app, options).run()

if __name__ == '__main__':
    args = docopt(__doc__, version='Grlc %s server'%grlc_version)
    port = int(args['--port'])

    if platform=='win32':
        runViaWaitress(port)
    else:
        runViaGunicorn(port)
