import math

from django.core.paginator import Paginator
from django.shortcuts import get_object_or_404, redirect, render

# Create your views here.
# 渲染主页面
from post.models import Post, Comment

from django import forms

# 1111111111111111111111111111111111111111
from django.forms import ModelForm
from .models import Comment  # 假设Comment是你的评论模型


class CommentForm(ModelForm):
    class Meta:
        model = Comment
        fields = '__all__'


def queryAll(request, num=1):
    num = int(num)

    #获取所有帖子信息
    postList = Post.objects.all().order_by('-created')

    #创建分页器对象
    pageObj = Paginator(postList, 1)

    #获取当前页的数据
    perPageList = pageObj.page(num)

    #生成页码数列表
    # 每页开始页码
    begin = (num - int(math.ceil(10.0 / 2)))
    if begin < 1:
        begin = 1

    # 每页结束页码
    end = begin + 9
    if end > pageObj.num_pages:
        end = pageObj.num_pages

    if end <= 10:
        begin = 1
    else:
        begin = end - 9

    pageList = range(begin, end + 1)

    return render(request, 'index.html', {'postList': perPageList, 'pageList': pageList, 'currentNum': num})


#阅读全文功能
def detail(request, postid):
    postid = int(postid)

    #根据postid查询帖子的详情信息
    post = Post.objects.get(id=postid)

    return render(request, 'detail.html', {'post': post})


#根据类别id查询所有帖子
def queryPostByCid(request, cid):
    postList = Post.objects.filter(category_id=cid)
    # Post.objects.filter(category__id=cid)

    return render(request, 'article.html', {'postList': postList})


#根据发帖时间查询所有帖子
def queryPostByCreated(request, year, month):
    postList = Post.objects.filter(created__year=year, created__month=month)
    return render(request, 'article.html', {'postList': postList})


def post_detail(request, pk):
    post = get_object_or_404(Post, pk=pk)
    if request.method == 'POST':
        form = CommentForm(request.POST)
        if form.is_valid():
            comment = form.save(commit=False)
            comment.post = post
            form.save()
            return redirect('post_comments', pk=post.pk)  # 重定向到文章详情页
    else:
        form = CommentForm()

    context = {
        'post': post,
        'form': form,
    }
    return render(request, 'detail.html', context)