import requests
from django.views.generic import TemplateView
from rest_framework import views
from rest_framework import viewsets
from rest_framework.response import Response

from trials.models import Test
from trials.serializers import TestSerializer
from django.conf import settings
from django.shortcuts import render, redirect
from django import template
from django.http import HttpResponseRedirect, HttpResponse
from django.template import loader
from django.template.loader import render_to_string, get_template
from django.http import HttpRequest
import requests


def addTest(request):
    if request.POST:
        data = request.POST
        return addQuestions(request="GET", data_about_test=data)
    return render(request, 'createTest.html')


def addQuestions(request, data_about_test):
    number_of_question = 0
    if request == "GET":
        for key, value in data_about_test.items():
            if key == "questions":
                number_of_question = int(value)
        context = {
            "number_of_questions": number_of_question
        }
        template_name = "addQuestions.html"
        template = get_template(template_name)
        return HttpResponse(template.render(context))
        # return render(response, 'addQuestions.html')

    if request.POST:
        pass




def myTests(request):
    context = {}
    # context['tests']=Test.objects.filter(category=request.user)
    context['tests']=Test.objects.filter(category="Matematyka")
    #context['tests'] = Test.objects.all
    return render(request, 'myTests.html', context)


def solvedTests(request):
    # TODO implementation
    context = {}
    # context['tests']=Test.objects.filter(category=request.user)
    context['tests']=Test.objects.filter(category="Matematyka")
    #context['tests'] = Test.objects.all
    return render(request, 'myTests.html', context)


def editTest(request):
    pass
    # TODO


class TestModelViewSet(viewsets.ModelViewSet):
    queryset = Test.objects.all()
    serializer_class = TestSerializer


class TestTemplateView(TemplateView):
    PASSED = "passed"
    FAILED = "failed"
    UNKNOWN = "unknown"

    PASSED = {
        True: PASSED,
        False: FAILED
    }

    permission_classes = []
    template_name = settings.BASE_DIR + f"/templates/generic_test.html"
    test_id = None

    def get_queryset(self):
        return Test.objects.all()

    def get_context_data(self, test_id, **kwargs):
        self.test_id = test_id
        context = super().get_context_data(**kwargs)
        context["test"] = self.get_queryset().filter(id=test_id).prefetch_related("questions__answers").first()
        return context

    def get_score(self, test: Test, answers):
        return test.get_score(answers)

    def formatted_responses(self, unformatted_json):
        formatted_response = list()
        for question, answer in unformatted_json.items():
            formatted_response.append(
                {
                    "question": question,
                    "answer": answer
                }
            )
        return formatted_response

    def post(self, request, *args, **kwargs):
        test = Test.objects.get(id=kwargs.get("test_id"))
        score = self.get_score(test, self.formatted_responses(request.POST))
        status = score >= test.passing_score
        context = {
            "status": self.PASSED.get(status, self.UNKNOWN),
            "points": score
        }
        template_name = "result.html"
        template = get_template(template_name)
        return HttpResponse(template.render(context))

def testView(request):
    permission_classes = []
    template_name = settings.BASE_DIR + f"/templates/generic_test.html"
    context = {}

    if request.POST:
        form = RegistrationForm(request.POST)
        if form.is_valid():
            User.objects.create(
                email=form.cleaned_data["email"],
                first_name=form.cleaned_data["first_name"],
                last_name=form.cleaned_data["last_name"],
                password=form.cleaned_data["password1"]
            )
            return redirect('register_success')
        else:
            context['registration_form'] = form
    else:
        context["test"] = Test.objects.all().filter(id=test_id).prefetch_related("questions__answers").first()
    return render(request, 'generic_test.html', context)


class TestValidateAPIView(views.APIView):
    PASSED = "passed"
    FAILED = "failed"
    UNKNOWN = "unknown"

    PASSED = {
        True: PASSED,
        False: FAILED
    }

    def get_score(self, test: Test, answers):
        return test.get_score(answers)

    def post(self, request, test_id, **kwargs):
        test = Test.objects.get(id=test_id)
        score = self.get_score(test, request.data["answers"])
        status = score >= test.passing_score
        return Response({
            "status": self.PASSED.get(status, self.UNKNOWN),
            "points": score
        })

class TestResultView(TemplateView):
    permission_classes = []
    template_name = settings.BASE_DIR + f"/templates/result.html"