from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework import authentication, permissions
from rest_framework.authentication import SessionAuthentication
from .models import ChannelModel, MemberModel, MessageModel

class ChatView(APIView):
	permission_classes = (permissions.IsAuthenticated,)
	authentication_classes = (SessionAuthentication,)
	
	def post(self, request, pk):
		if (ChannelModel.objects.filter(pk = pk)):
			return Response("Channel already exist")

		data: dict = request.data
		users_id = request.data.get("users_id", [])
		if len(users_id) < 2:
			return Response("Not enought members to create the channel")

		new_channel = ChannelModel()
		new_channel.save()	

		for user_id in users_id:
			new_member = MemberModel()
			new_member.channel_id = new_channel.pk
			new_member.member_id = user_id
			new_member.save()

		return Response("Channel created")