from django.views.generic import UpdateView, DetailView, ListView 
from django.views.generic.edit import CreateView, DeleteView, UpdateView
from django.contrib.auth.mixins import LoginRequiredMixin
from django.db.models import Q
from django.urls import reverse

from .models import Post
from .forms import PostUpdateForm
from notes.models import Note

"""
TODO:
    crawl the RSS feed and compare url to stored url 
    if it matches update the pub_date.
    Then scrape the HTML.
    Then parse the scraped html for aff links and create products from them
"""

class PostListView(LoginRequiredMixin, ListView):
    model = Post 
    template_name = 'posts/post_table.html'

    def get_queryset(self):
        return Post.objects.filter(user=self.request.user).order_by("-needs_update")


class PostNewView(LoginRequiredMixin, ListView):
    template_name = 'posts/post_list.html'
    
    def get_queryset(self):
        return Post.objects.filter(user=self.request.user).filter(is_live=0)

    def get_context_data(self, **kwargs):
        context = super(PostNewView, self).get_context_data(**kwargs)
        context['reviews'] = Note.objects.filter(plan__in=[1,2], status__in=[0,1,2,3])
        return context


class PostTodoView(LoginRequiredMixin, ListView):
    template_name = 'posts/post_table.html'
    
    def get_queryset(self):
        qs = Post.objects.filter(user=self.request.user)
        qs = qs.filter(Q(needs_update=True) | Q(is_live=0))
        unsorted_results = qs.all()
        return sorted(unsorted_results, key=lambda a: a.days_overdue(), reverse=True)

    def get_context_data(self, **kwargs):
        context = super(PostTodoView, self).get_context_data(**kwargs)
        context['reviews'] = Note.objects.filter(plan__in=[1,2,3]).exclude(status=4)
        return context


class PostNotesView(LoginRequiredMixin, DetailView):
    model = Post 


class PostUpdateView(LoginRequiredMixin, UpdateView):
    model = Post
    form_class = PostUpdateForm

    def get_form_kwargs(self):
       kwargs = super(PostUpdateView, self).get_form_kwargs()
       kwargs.update({'user': self.request.user})
       return kwargs

    def get_success_url(self):
        if 'add_new' in self.request.POST:
            return reverse('posts:create')
        else:
            return reverse('posts:detail', kwargs={"pk": self.object.pk})