from django.shortcuts import get_object_or_404
from rest_framework.views import APIView
from rest_framework.response import Response

from apps.api.serializers import ItemSerializer, ListSerializer, UserSerializer
from apps.dashboard.models import Item, List
from apps.lyric.models import User


class ListDetailAPI(APIView):
    def get(self, request, list_id):
        list_ = get_object_or_404(List, id=list_id)
        serializer = ListSerializer(list_)
        return Response(serializer.data)
    
class ListItemsAPI(APIView):
    def post(self, request, list_id):
        list_ = get_object_or_404(List, id=list_id)
        serializer = ItemSerializer(data=request.data, context={"list": list_})
        if serializer.is_valid():
            serializer.save(list=list_)
            return Response(serializer.data, status=201)
        return Response(serializer.errors, status=400)
    
class ListsAPI(APIView):
    def get(self, request):
        lists = List.objects.filter(owner=request.user)
        serializer = ListSerializer(lists, many=True)
        return Response(serializer.data)

    def post(self, request):
        list_ = List.objects.create(owner=request.user)
        item = Item.objects.create(text=request.data.get("text", ""), list=list_)
        serializer = ListSerializer(list_)
        return Response(serializer.data, status=201)
    
class UserSearchAPI(APIView):
    def get(self, request):
        q = request.query_params.get("q", "")
        users = User.objects.filter(
            username__icontains=q,
            searchable=True,
        )
        serializer = UserSerializer(users, many=True)
        return Response(serializer.data)