from django.http import HttpResponse

import requests

import json

from datetime import datetime

from django.utils.dateparse import parse_datetime

from django.contrib.auth.models import User

from rest_framework.views import APIView

from rest_framework.response import Response

from rest_framework import authentication, permissions

def populateUser(request):

    usermail = request.GET["usermail"]

    user = AmmicoUser.objects.get(user=User.objects.get(email=usermail))

    data = {"user": usermail, "idUser": user.idUser}

    populateVisite(user)

    return HttpResponse(content=json.dumps(data), content_type='application/json')

def populateVisite(user):

    # send request with usermail to get the visites of this user and add it to the database 

    #r = requests.get('http://fui-ammico.jamespot.pro/api/api.php?&k=6c8bfcea247e8a5841288269887d88f0&d=2016-01-31&m=EXT-IRI&v=2.0&f=get&o=article&idArticle=169')

    #simulate the request

    r = requests.get('http://fui-ammico.jamespot.pro/api/api.php?&k=6c8bfcea247e8a5841288269887d88f0&d=2016-01-31&m=EXT-IRI&v=2.0&o=article&f=list&idUser='+user.idUser)

    visites = json.loads(r.content)

    for visite in visites['VAL']:

        r = requests.get('http://fui-ammico.jamespot.pro/api/api.php?&k=6c8bfcea247e8a5841288269887d88f0&d=2016-01-31&m=EXT-IRI&v=2.0&o=article&f=get&idArticle='+visite['idArticle'])

        visiteInfo = json.loads(r.content)['VAL']

        book, _ = Book.objects.get_or_create(

            user=user, 

            idArticle=visiteInfo['idArticle'],

            title=visiteInfo['title'],

            description=visiteInfo['description'],

            image=visiteInfo['image'],

            date=parse_datetime(visiteInfo['dateCreation'])

        )

        populateSlide(json.loads(visiteInfo['steps']), book)

def populateSlide(steps, book):

    for step in steps:

        if (step['stop'] != None and step['stop'] != ''):

            if 'comment' in step:

                comment = step['comment']

            else:

                comment = ""

            Slide.objects.get_or_create(

                book=book,

                idStop=step['stop'],

                comment=comment,

                date=parse_datetime(str(datetime.strptime(step['DATE'] + " " + step['TIME'], "%d/%m/%Y %H:%M:%S")))

            )

class ListBooks(APIView):

    """

    Views to list all books.

    """

    #authentication_classes = (authentication.TokenAuthentication,)

    #permission_classes = (permissions.IsAdminUser,)

    permission_classes = (permissions.IsAuthenticatedOrReadOnly,)

    def get(self, request, format=None):

        """

        Return a list of all Books.

        """

        books = Book.objects.all()

        serializer = BookSerializer(books, many=True)

        return Response(serializer.data)

class InfoBook(APIView):

    """

    View to get book informations.

    """

    #authentication_classes = (authentication.TokenAuthentication,)

    #permission_classes = (permissions.IsAdminUser,)

    permission_classes = (permissions.IsAuthenticatedOrReadOnly,)

    def get(self, request, id):

        try:

            book = Book.objects.get(id=id)

        except Book.DoesNotExist:

            return HttpResponse(status=404)

        serializer = BookSerializer(book)

        return Response(serializer.data)

class ListSlides(APIView):

    """

    Views to list all books.

    """

    #authentication_classes = (authentication.TokenAuthentication,)

    #permission_classes = (permissions.IsAdminUser,)

    permission_classes = (permissions.IsAuthenticatedOrReadOnly,)

    def get(self, request, format=None):

        """

        Return a list of all Books.

        """

        slides = Slide.objects.all()

        serializer = SlideSerializer(slides, many=True)

        return Response(serializer.data)

class InfoSlide(APIView):

    """

    View to get book informations.

    """

    #authentication_classes = (authentication.TokenAuthentication,)

    #permission_classes = (permissions.IsAdminUser,)

    permission_classes = (permissions.IsAuthenticatedOrReadOnly,)

    def get(self, request, id):

        try:

            slide = Slide.objects.get(id=id)

        except Slide.DoesNotExist:

            return HttpResponse(status=404)

        serializer = SlideSerializer(slide)

        return Response(serializer.data)