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

import bleach
from flask import session
from flask_socketio import SocketIO, emit, join_room

import database as db

socketio = SocketIO()

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


@socketio.on('message')
def message(data):
	"""
	Sent by a client when the user entered a new message.
	"""
	room = data["room"]
	
	message = data["message"]
	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
	
	db.log_chat_message(data)
	emit("message", data, room=room)


@socketio.on("new_post")
def new_post(data):
	"""
	Called when the QM makes a new post.
	"""
	room = data["room"]
	res = db.get_quest_meta(quest_id=room)
	if not res:
		return
	if session.get("user_id") != res[3]:
		return

	post = data["post"]
	post = bleach.clean(post.strip())
	post = post.replace("\n", "<br />")
	data["post"] = [post]
	db.insert_quest_post(room, post, int(time.time()))

	emit("new_post", data, room=room)


@socketio.on("update_post")
def update_post(data):
	"""
	Called when the QM edits and saves a post.
	"""
	room = data["room"]
	res = db.get_quest_meta(quest_id=room)
	if not res:
		return
	if session.get("user_id") != res[3]:
		return

	post = data["post"]
	post_id = data["post_id"]
	db.update_quest_post(post_id, post)
	emit("update_post", data, room=room)