#!/usr/bin/env python3
"""
API endpoints.
"""
from user_messages import api
from django.http import HttpResponse
from django.shortcuts import redirect
from django.views.decorators.http import require_POST

from quest.models import Quest

def index(request):
	"""An index page."""
	return HttpResponse('Hello.')


@require_POST
def set_session(request):
	"""
	API endpoint for setting certain values in the users session.
	"""
	for key, value in request.POST.items():
		if key not in ['hide_header', 'hide_chat']:
			continue
		if value == 'on':
			request.session[key] = True
		elif value == 'off':
			request.session[key] = False

	return HttpResponse('true')


@require_POST
def subscribe(request):
	"""Endpoint for users to subscribe to a quest."""
	if not request.user.is_authenticated:
		return redirect('login:index')
	quest_id = request.POST.get('quest_id')
	try:
		quest = Quest.objects.get(id=quest_id)
	except Quest.DoesNotExist:
		return redirect('quest:quest', quest_id=quest_id, page_num='0')
	request.user.subscriptions.add(quest)
	return redirect('quest:quest', quest_id=quest.id, page_num='0')


@require_POST
def clear_notification(request):
	"""Endpoint for users to clear a message notification."""
	if not request.user.is_authenticated:
		return redirect('login:index')
	msg_id = request.POST.get('msg_id')
	messages = api.get_messages(user=request.user)
	message = [m for m in messages if str(m.id) == msg_id]
	if message:
		message = message[0]
	else:
		return HttpResponse('false')
	message.delete()
	return HttpResponse('true')