# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4

import os
import sys
from tornado.web import StaticFileHandler, Application, FallbackHandler
from tornado.wsgi import WSGIContainer
from tornado.httpserver import HTTPServer
from tornado.ioloop import IOLoop

from app import app
import settings
import websocket

import state
import node.server

def run():
    root_dir = os.path.normpath(os.path.join(os.path.abspath(os.path.dirname(__file__)), '..'))
    PID = sys.argv[2] if len(sys.argv) > 2 else None

    state.main = IOLoop.instance()

    static_path = os.path.join(root_dir, 'static')

    options = {
        'debug': not PID 
    }

    tr = WSGIContainer(app)

    handlers = [
        (r'/(favicon.ico)', StaticFileHandler, {'path': static_path}),
        (r'/static/(.*)', StaticFileHandler, {'path': static_path}),
        (r'/ws', websocket.Handler),
        (r".*", FallbackHandler, dict(fallback=tr)),
    ]

    http_server = HTTPServer(Application(handlers, **options))

    http_server.listen(settings.server['port'], settings.server['address'])
    if PID:
        with open(PID, 'w') as pid:
            pid.write('%s' % os.getpid())

    def start_node():
        import user
        import downloads
        import nodes
        state.node = node.server.start(app)
        state.nodes = nodes.Nodes(app)
        state.downloads = downloads.Downloads(app)
        def add_users(app):
            with app.app_context():
                for p in user.models.User.query.filter_by(peered=True):
                    state.nodes.queue('add', p.id)
        state.main.add_callback(add_users, app)
    state.main.add_callback(start_node)
    state.main.start()