from django.views.generic import (
    TemplateView,
    ListView,
    DetailView,
    RedirectView,
)
from django.views.generic.detail import SingleObjectMixin
from django.contrib.auth.mixins import LoginRequiredMixin
from django.urls import reverse
from django.shortcuts import redirect, get_object_or_404
from django.contrib import messages
from django.http import Http404
from django.core.exceptions import PermissionDenied
from haystack.generic_views import SearchView
from haystack.forms import SearchForm
from haystack.query import SearchQuerySet
from .models import Category, Tag, Game, GameComment


class InventoryView(TemplateView):
    template_name = "inventory/inventory.html"


class CategoryListView(ListView):
    model = Category
    template_name = "inventory/category_list.html"


class CategoryView(DetailView):
    model = Category
    template_name = "inventory/category.html"


class TagListView(ListView):
    model = Tag
    template_name = "inventory/tag_list.html"


class TagView(DetailView):
    model = Tag
    template_name = "inventory/tag.html"


class GameListView(ListView):
    model = Game
    template_name = "inventory/game_list.html"


class GameView(DetailView):
    model = Game
    template_name = "inventory/game.html"


class InventorySearchView(SearchView):
    form_class = SearchForm
    template_name = "inventory/search.html"

    def get_queryset(self):
        return SearchQuerySet().models(Category, Tag, Game)


class AddGameCommentView(LoginRequiredMixin, SingleObjectMixin, RedirectView):
    model = Game
    permanent = False

    def get_redirect_url(self, *args, **kwargs):
        req_dict = self.request.POST
        if "comment_text" in req_dict:
            comment_text = req_dict["comment_text"]

            game = self.get_object()
            game.comments.create(author=self.request.user, text=comment_text)
            messages.success(self.request, "Commentaire ajouté")
        else:
            messages.error(
                self.request, "Pas de texte pour le commentaire dans la requête"
            )

        return reverse("inventory:game", kwargs=kwargs)


class ModifyGameCommentView(LoginRequiredMixin, SingleObjectMixin, TemplateView):
    model = Game
    template_name = "inventory/game.html"

    def dispatch(self, *args, **kwargs):
        comment_id = kwargs["comment_id"]
        self.object = self.get_object()
        self.comment = get_object_or_404(GameComment, id=comment_id)
        if self.comment.game != self.object:
            raise Http404()
        if self.comment.author != self.request.user:
            raise PermissionDenied()
        return super().dispatch(*args, **kwargs)

    def post(self, *args, **kwargs):
        req_dict = self.request.POST
        if "comment_text" in req_dict:
            self.comment.text = req_dict["comment_text"]
            self.comment.save()
            messages.success(self.request, "Commentaire modifié")
        else:
            messages.error(
                self.request, "Pas de texte pour le commentaire dans la requête"
            )
        return redirect("inventory:game", slug=kwargs["slug"])

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context["edited_comment"] = self.comment
        return context