#!/usr/bin/env python3
"""
Simple file host using Flask.
"""
import os
import time

from flask import Flask, session, request, abort, redirect, url_for, g, \
	render_template
from flask_socketio import SocketIO, emit, join_room

class ReverseProxied(object):
	"""
	Wrap the application in this middleware and configure the 
	front-end server to add these headers, to let you quietly bind 
	this to a URL other than / and to an HTTP scheme that is 
	different than what is used locally.

	In nginx:
	location /myprefix {
		proxy_pass http://192.168.0.1:5001;
		proxy_set_header Host $host;
		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
		proxy_set_header X-Scheme $scheme;
		proxy_set_header X-Script-Name /myprefix;
		}

	:param app: the WSGI application
	"""
	def __init__(self, app):
		self.app = app

	def __call__(self, environ, start_response):
		script_name = environ.get('HTTP_X_SCRIPT_NAME', '')
		if script_name:
			environ['SCRIPT_NAME'] = script_name
			path_info = environ['PATH_INFO']
			if path_info.startswith(script_name):
				environ['PATH_INFO'] = path_info[len(script_name):]

		scheme = environ.get('HTTP_X_SCHEME', '')
		if scheme:
			environ['wsgi.url_scheme'] = scheme
		return self.app(environ, start_response)


app = Flask(__name__)
app.wsgi_app = ReverseProxied(app.wsgi_app)
app.config['SECRET_KEY'] = 'secret!'
app.config['MAX_CONTENT_LENGTH'] = 16 * 1024 * 1024
socketio = SocketIO(app)

@socketio.on('joined', namespace="/chat")
def joined(data):
	"""
	Sent by clients when they enter a room.
	"""
	room = data["room"]
	join_room(room)
	print("Client connected.")


@socketio.on('message', namespace="/chat")
def text(data):
	"""
	Sent by a client when the user entered a new message.
	"""
	room = data["room"]
	
	message = data["message"]
	name = data["name"]
	date = int(time.time())
	data["date"] = date
	
	emit('message', data, room=room)


@app.template_filter("strftime")
def unix2string(unix):
	"""
	Converts a unix timestamp into a string.
	"""
	form = "%Y-%m-%d %H:%M:%S"
	t = time.localtime(unix)
	return time.strftime(form, t)


messages = [{"name":"Anonymous", "date":1528998539, "message":"lol"}, {"name":"Namefag", "date":1528998521, "message":"kek"}]
@app.route("/", methods=["GET", "POST"])
def index():
	if request.method == "GET":
		return render_template('index.html', messages=messages)
	message = request.form.get("msg")
	messages.append(message)
	#print(message)
	return redirect(url_for("index"))