import json

import requests
from django.db.models import Q
from django.http import JsonResponse
from django.shortcuts import render, get_object_or_404
from django.views.decorators.csrf import csrf_exempt

from cookbook.helper.ingredient_parser import parse
from cookbook.helper.permission_helper import group_required
from cookbook.models import TelegramBot, ShoppingList, ShoppingListEntry, Food, Unit


@group_required('user')
def setup_bot(request, pk):
    bot = get_object_or_404(TelegramBot, pk=pk, space=request.space)

    hook_url = f'{request.build_absolute_uri("/")}telegram/hook/{bot.webhook_token}/'

    create_response = requests.get(f'https://api.telegram.org/bot{bot.token}/setWebhook?url={hook_url}')
    info_response = requests.get(f'https://api.telegram.org/bot{bot.token}/getWebhookInfo')

    return JsonResponse({'hook_url': hook_url, 'create_response': json.loads(create_response.content.decode()), 'info_response': json.loads(info_response.content.decode())}, json_dumps_params={'indent': 4})


@group_required('user')
def remove_bot(request, pk):
    bot = get_object_or_404(TelegramBot, pk=pk, space=request.space)

    remove_response = requests.get(f'https://api.telegram.org/bot{bot.token}/deleteWebhook')
    info_response = requests.get(f'https://api.telegram.org/bot{bot.token}/getWebhookInfo')

    return JsonResponse({'remove_response': json.loads(remove_response.content.decode()), 'info_response': json.loads(info_response.content.decode())}, json_dumps_params={'indent': 4})


@csrf_exempt
def hook(request, token):
    print(request.POST, request.body, token)

    tb = get_object_or_404(TelegramBot, webhook_token=token)

    data = json.loads(request.body.decode())

    if tb.chat_id == '':
        tb.chat_id = data['message']['chat']['id']
        tb.save()

    if tb.chat_id == str(data['message']['chat']['id']):
        sl = ShoppingList.objects.filter(Q(created_by=tb.created_by)).filter(finished=False, space=tb.space).order_by('-created_at').first()
        if sl:
            print(f'found shopping list {sl} adding {data["message"]["text"]}')
            amount, unit, ingredient, note = parse(data['message']['text'])
            f, created = Food.objects.get_or_create(name=ingredient, space=tb.space)
            u, created = Unit.objects.get_or_create(name=unit, space=tb.space)
            sl.entries.add(
                ShoppingListEntry.objects.create(
                    food=f, unit=u, amount=amount
                )
            )
            return JsonResponse({'data': data['message']['text']})

    return JsonResponse({})