import datetime
import logging

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

from apps.group.models import Group
from apps.log.models import get_log, gen_log
from apps.user.middleware.rolecontrol import RoleControl
from apps.user.models import User
from utils.util_add_id import get_id
from utils.util_random import Produce

logger = logging.getLogger('django')


class GroupListView(APIView):
    # create group
    @staticmethod
    @RoleControl
    def post(request, *args, **kwargs):
        name = request.POST.get('name')
        manager_id = request.POST.get('manager_id')
        manager = User.objects.filter(id=manager_id)
        if not manager:
            logger.error("用户不存在")
            return HttpResponse(status=500, content='用户不存在')
        manager = manager[0]
        group = Group.objects.filter(name=name, delete=False)
        if group:
            logger.error("组名已存在，请修改组名重新上传")
            return HttpResponse(status=500, content='组名已存在，请修改组名重新上传')
        create_time = update_time = datetime.datetime.now()
        group_id = get_id(Group, 'TestLaboratory_V1_Group_1')
        code = Produce.auth_code(option='num')
        group = Group.objects.create(id=group_id, code=code, manager=manager_id, name=name, create_time=create_time,
                                     update_time=update_time)
        executor, action, method = get_log(request)
        gen_log(action, "分组", group.name, method, executor)
        return Response({
            'id': group.id,
            'name': group.name,
            'code': group.code,
            'manager': manager.username,
        })

    # view log_list
    @staticmethod
    @RoleControl
    def get(request, *args, **kwargs):
        group_id = request.GET.get('id')
        name = request.GET.get('name')
        code = request.GET.get('code')
        manager_id = request.GET.get('manager_id')
        user_id = request.GET.get('user_id')

        groups = Group.objects.order_by('-create_time').filter(delete=False)
        if group_id:
            groups = groups.filter(id=group_id)
        if name:
            groups = groups.filter(name=name)
        if code:
            groups = groups.filter(code=code)
        if manager_id:
            groups = groups.filter(manager=manager_id)
        if user_id:
            user = User.objects.filter(id=user_id)
            if not user:
                logger.error("用户不存在")
                return HttpResponse(status=500, content='用户不存在')
            user = user[0]
            groups = groups & user.group_set.all()

        return_groups = list()
        for group in groups:
            manager = User.objects.filter(id=group.manager)[0]
            user_info = list()
            users = group.users.order_by('-create_time')
            for user in users:
                user_info.append({
                    'id': user.id,
                    'username': user.username,
                    'identity': user.identify
                })
            return_groups.append({
                'id': group.id,
                'name': group.name,
                'code': group.code,
                'manager': manager.username,
                'members': user_info
            })
        return Response(return_groups)