# third/forms.py
from django import forms
from . models import Restaurant, Review

# 평점의 선택지
REVIEW_POINT_CHOICES = (
    ('1', 1),
    ('2', 2),
    ('3', 3),
    ('4', 4),
    ('5', 5),
)


class ReviewForm(ModelForm):
    class Meta:
        model = Review
        fields = ['point', 'comment', 'restaurant']
        labels = {
            'point': _('평점'),
            'comment': _('코멘트'),
        }
        widgets = {
            'restaurant': forms.HiddenInput(),  # 리뷰를 달 식당 정보는 사용자에게 보여지지 않도록 한다
            'point': forms.Select(choices=REVIEW_POINT_CHOICES)  # 선택지를 인자로 전달
        }
        help_texts = {
            'point': _('평점을 입력해주세요.'),
            'comment': _('코멘트를 입력해주세요.'),
        }

# third/view.py
from django.shortcuts import render, get_object_or_404, redirect
from . models import Restaurant, Review
from . forms import RestaurantForm, ReviewForm

def detail(request, id): # 식당 조회 페이지
    if 'id' is not None:
        item = get_object_or_404(Restaurant, pk=id)
        reviews = Review.objects.filter(restaurant=item).all() # 식당에 해당하는 리뷰을 조회
        return render(request, 'third/detail.html', {'item': item, 'reviews': reviews})
    return HttpResponseRedirect('/third/list/')

def review_create(request, restaurant_id):
    if request.method == 'POST':
        form = ReviewForm(request.POST)
        if form.is_valid():
            new_item = form.save()
        # HttpResponseRedirect을 사용하면 url을 다 써주어야하고, 만약 url이 변경되었을 때 함께 수정해주어야 하는 번거로움이 있음
        # shortcuts의 redirct를 사용하면 url 기반이 아니라 urls.py에 정의한 view name 기반으로 움직이기 때문에
        # url이 변경되더라고 view name이 그대로라면 변경하지 않아도 된다.
        return redirect('restaurant-detail', id=restaurant_id)
    item = get_object_or_404(Restaurant, pk=restaurant_id)
    form = ReviewForm(initial={'restaurant': item})
    return render(request, 'third/review_create.html', {'form': form, 'item': item})

def review_delete(request, restaurant_id, review_id):
    item = get_object_or_404(Review, pk=review_id)
    item.delete()
    return redirect('restaurant-detail', id=restaurant_id)

# third/urls.py
from django.urls import path
from . import views

urlpatterns = [
    path('list/', views.list, name="list"),
    path('create/', views.create, name="restaurant-create"),
    path('update/', views.update, name="restaurant-update"),
    path('delete/', views.delete, name="restaurant-delete"),

    path('restaurant/<int:id>/', views.detail, name="restaurant-detail"),
    path('restaurant/<int:restaurant_id>/review/create/', views.review_create, name='review-create'),
    path('restaurant/<int:restaurant_id>/review/delete/<int:review_id>', views.review_delete, name='review-delete')
]