#!/usr/bin/env python3
"""
SocketIO events.
"""
import time

import bleach
from flask_socketio import SocketIO, emit, join_room

import database as db

socketio = SocketIO()

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


@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

	message = message.strip()
	if not message:
		return
	tags = ["b", "code", "i", "s"]
	message = bleach.clean(message, tags=tags)
	lines = []
	for line in message.splitlines():
		if line.startswith(">"):
			line = '<span class="greenText">' + line + '</span>'
		lines.append(line)
	message = "<br />".join(lines)
	data["message"] = message
	
	emit("message", data, room=room)