from django.shortcuts import render
from django.http import HttpResponse, JsonResponse
from django.views.decorators.csrf import csrf_exempt
import datetime
from channels.layers import get_channel_layer
from asgiref.sync import async_to_sync

from polls.decorators import polls_login_required
from polls.models import Message, Notice, Task, TaskAddition
from polls.tasks import process_task
from django.core.exceptions import ObjectDoesNotExist
from polls.utils import model_to_dict, queryset_to_list, parse


@csrf_exempt
@polls_login_required
def tasks(request):
    if request.method == 'POST':
        return HttpResponse(status=405)
    id = request.user.id
    tasks = Task.objects.filter(created_by__id=id)
    results = []
    for o in tasks:
        result = dict()
        result['id'] = o.id
        m = []
        for g in o.groups.all():
            n = model_to_dict(g, ['id', 'name'])
            m.append(n)
        result['groups'] = m
        result['content'] = o.content
        result['added'] = o.added.strftime("%Y-%m-%d %H:%M:%S")
        results.append(result)
    return JsonResponse({'status': 'success', 'message': results}, safe=False)


@csrf_exempt
@polls_login_required
def create_task(request):
    if request.method == 'GET':
        return HttpResponse(status=405)
    user = request.user
    profile = user.userprofile_set.first()
    content = request.POST.get('content')
    if not content:
        return JsonResponse({'status': 'error', 'message': '内容不能为空'})
    groups = request.POST.getlist('groups', [])
    task = Task.objects.create(created_by=user, content=content)
    task.add_groups(groups)
    task.add_task_message(user.id)
    url = request.POST.get('url')
    # print(groups, content, url)
    file = request.FILES.get('file')
    picture = request.FILES.get('picture')
    if url:
        urlAddtion = TaskAddition.objects.create(
            task=task, category=0, url=url)
        og_title, og_description, og_url, og_image = parse(url)
        print(og_title, og_description, og_url, og_image)
        task.add_url_message(
            user.id, og_title, og_description, og_url, og_image)
    if file:
        fileAddtion = TaskAddition.objects.create(
            task=task, category=1, file=file)
    if picture:
        pictureAddtion = TaskAddition.objects.create(
            task=task, category=2, image=picture)
    return JsonResponse({'status': 'success'})


@csrf_exempt
@polls_login_required
def get_task(request):
    if request.method == 'POST':
        return HttpResponse(status=405)
    id = request.user.id
    task_id = request.GET.get('task_id')
    if not task_id:
        return JsonResponse({'status': 'error', 'message': '参数错误'})
    task = Task.objects.get(id=task_id)
    result = dict()
    result['id'] = task.id
    m = []
    for g in task.groups.all():
        n = model_to_dict(g, ['id', 'name'])
        m.append(n)
    result['groups'] = m
    result['content'] = task.content
    result['total'] = task.total()
    result['record'] = task.record()
    result['added'] = task.added.strftime("%Y-%m-%d %H:%M:%S")
    return JsonResponse({'status': 'success', 'message': result})


@csrf_exempt
def create_test_task(request):
    if request.method == 'GET':
        return HttpResponse(status=405)
    channel_layer = get_channel_layer()
    async_to_sync(channel_layer.group_send)(
        "testroom", {"type": "chat.message", "message": "helo"})
    return JsonResponse({'status': 'success'})