import datetime
import logging

from django.http import HttpResponse
from rest_framework.response import Response
from rest_framework.views import APIView

from apps.user.middleware.rolecontrol import RoleControl
from apps.user.models import User
from utils.util_add_id import get_id
from utils.util_jwt import create_token_for_login

logger = logging.getLogger('django')


class UserListView(APIView):
    authentication_classes = []

    # register
    @staticmethod
    def post(request, *args, **kwargs):
        payload = {
            'username': request.POST.get('username'),
            'password': request.POST.get('password'),
            'name': request.POST.get('name'),
            'tel': request.POST.get('tel'),
            'identify': request.POST.get('identify'),
            'group': request.POST.get('group')
        }

        if not payload['username']:
            logger.error("用户名不能为空")
            return HttpResponse(status=500, content='用户名不能为空')
        if not payload['password']:
            logger.error("密码不能为空")
            return HttpResponse(status=500, content='密码不能为空')
        if not payload['group']:
            del payload['group']
        users = User.objects.filter(username=payload['username'])
        if users:
            logger.error("用户名已存在，请修改用户名重新上传")
            return HttpResponse(status=500, content='用户名已存在，请修改用户名重新上传')

        create_time = update_time = datetime.datetime.now()
        payload['create_time'] = create_time
        payload['update_time'] = update_time

        payload['id'] = get_id(User, 'TestLaboratory_V1_User_1')
        new_user = User.objects.create(**payload)
        return HttpResponse(status=200, content='创建成功')

    # user list
    @staticmethod
    @RoleControl
    def get(request, *args, **kwargs):
        username = request.GET.get('username')
        identify = request.GET.get('identify')
        is_login = request.GET.get('is_login')
        sort = request.GET.get('sort')

        user_all = User.objects.order_by('-create_time')
        if username:
            user_all = user_all.filter(username__contains=username)
        if identify:
            user_all = user_all.filter(identify=identify)
        if is_login:
            if is_login == '0':
                user_all = user_all.filter(is_login=False)
            elif is_login == '1':
                user_all = user_all.filter(is_login=True)
        if sort:
            user_all = user_all.order_by(sort)

        users_info = []
        user_group_index = {}
        i = 0
        for user in user_all:
            if user.group not in user_group_index.keys():
                user_group_index[user.group] = i
                i += 1
                user_group = {'groupName': user.group, 'userList': [{
                    'userid': user.id,
                    'username': user.username,
                    'identify': user.identify,
                    'group': user.group,
                    'is_login': user.is_login
                }]}
                users_info.append(user_group)
            else:
                users_info[user_group_index[user.group]]['userList'].append({
                    'userid': user.id,
                    'username': user.username,
                    'identify': user.identify,
                    'group': user.group,
                    'is_login': user.is_login
                })
        return Response({'groupList': users_info})


class UserListLogin(APIView):
    authentication_classes = []

    @staticmethod
    def post(request, *args, **kwargs):
        username = request.POST.get('username')
        password = request.POST.get('password')

        user_obj = User.objects.filter(username=username, password=password)

        if not user_obj:
            logger.error("用户名或密码错误")
            return HttpResponse(status=500, content='用户名或密码错误')
        user_obj = user_obj[0]

        token = create_token_for_login(
            {'username': username, 'password': password, 'userid': user_obj.id})

        user_obj.is_login = True
        user_obj.save()

        user_info = {
            'userid': user_obj.id,
            'username': user_obj.username,
            'identify': user_obj.identify,
            'group': user_obj.group,
            'token': token
        }

        return Response(user_info)