from django.shortcuts import render, get_object_or_404
from django.http import HttpResponse, Http404, HttpResponseRedirect
from django.template import loader
from django.urls import reverse
from django.core.paginator import Paginator
from django.conf import settings
from .models import Post, Comment
from .forms import PostForm
from datetime import datetime
import logging
import uuid

def index(request):
    latest_post_list = Post.objects.filter(state=1).order_by('-date')
    paginator = Paginator(latest_post_list, 25)

    page = request.GET.get('page')
    posts = paginator.get_page(page)

    context = { 'latest_post_list' : posts }
    return render(request, 'news/index.html', context)

def post(request, post_id):
    post = get_object_or_404(Post, pk=post_id)
    return render(request, 'news/post.html', {'post': post})

def createaccount(request):
    return render(request, 'news/createaccount.html', {})

def submission(request):

    if request.method == 'POST':
        form = PostForm(request.POST, request.FILES)
        if form.is_valid():

            post = Post.objects.create(author=request.user,date=datetime.today())
            post.title = form.cleaned_data['title']
            post.body = form.cleaned_data['body']
            post.url = form.cleaned_data['url']

            filename = str(uuid.uuid4())
            handle_uploaded_file(filename, request.FILES['image'])

            post.image_url = filename
            post.state = 1
            post.save()

            return HttpResponseRedirect(reverse('news:submitted'))
    # if a GET (or any other method) we'll create a blank form
    else:
        form = PostForm()

    return render(request, 'news/submission.html', {'form': form})

    # title = forms.CharField(label='Title', max_length=200)
    # body = forms.CharField(label='Optional text', max_length=10000)
    # url = forms.CharField(label='URL', max_length=200)
    # # date = forms.DateTimeField('date published')
    # # state = forms.IntegerField(label='State', default=1)
    # image = forms.FileField()

def handle_uploaded_file(filename, f):
    with open(settings.MEDIA_ROOT + filename, 'wb+') as destination:
        for chunk in f.chunks():
            destination.write(chunk)

def submitted(request):
    return render(request, 'news/submitted.html', {})

def comment(request, post_id):
    comment = Comment(author=request.user,date=datetime.today())
    comment.post = get_object_or_404(Post, pk=post_id)
    comment.body = request.POST['body']
    comment.save()
    return HttpResponseRedirect(reverse('news:post', args=(post_id,)))