# -*- encoding: utf-8 -*-
"""
@File    : UserDeviceShareController.py
@Time    : 2023/1/7 15:05
@Author  : stephen
@Email   : zhangdongming@asj6.wecom.work
@Software: PyCharm
"""
import logging
import time

from django.db import transaction
from django.views import View

from Model.models import DeviceSharePermission, DeviceChannelUserSet, DeviceChannelUserPermission
from Object.ResponseObject import ResponseObject
from Object.TokenObject import TokenObject

LOGGER = logging.getLogger('info')


class UserDeviceShareView(View):

    def get(self, request, *args, **kwargs):
        request.encoding = 'utf-8'
        operation = kwargs.get('operation')
        return self.validation(request.GET, request, operation)

    def post(self, request, *args, **kwargs):
        request.encoding = 'utf-8'
        operation = kwargs.get('operation')
        return self.validation(request.POST, request, operation)

    def validation(self, request_dict, request, operation):
        token = TokenObject(request.META.get('HTTP_AUTHORIZATION'))
        lang = request_dict.get('lang', token.lang)
        response = ResponseObject(lang)
        if token.code != 0:
            return response.json(token.code)
        if operation == 'user-permissions':
            return self.get_user_share_permission(request_dict, response)
        elif operation == 'permissions-save':
            return self.user_channel_permission_save(request_dict, response)
        else:
            return response.json(404)

    @classmethod
    def get_user_share_permission(cls, request_dict, response):
        """
        获取用户分享权限
        @param request_dict: 设备uid
        @param response: 响应对象
        @return: permission List
        """
        try:
            uid = request_dict.get('uid', None)
            user_id = request_dict.get('userId', None)
            if not all([user_id, uid]):
                return response(444, 'uid and userId is required')
            user_permission_qs = DeviceChannelUserSet.objects.filter(user_id=user_id, uid=uid) \
                .values('id', 'channels')
            if not user_permission_qs.exists():
                return response.json(0, [])
            up_id = user_permission_qs[0]['id']
            channel_permission_qs = DeviceChannelUserPermission.objects.filter(channel_user_id=up_id) \
                .values('permission_id', 'channel_user_id')
            if not channel_permission_qs.exists():
                return response.json(0, [])
            data = {'channels': [int(val) for val in user_permission_qs[0]['channels'].split(',')]}
            p_list = []
            for item in channel_permission_qs:
                permission_qs = DeviceSharePermission.objects.filter(id=item['permission_id']) \
                    .values('code')
                if not permission_qs.exists():
                    continue
                p_list.append({'permissionId': item['permission_id'], 'code': permission_qs[0]['code']})
            data['permissions'] = p_list
            return response.json(0, data)
        except Exception as e:
            LOGGER.info('异常详情,errLine:{}, errMsg:{}'.format(e.__traceback__.tb_lineno, repr(e)))
            return response.json(500, repr(e))

    @classmethod
    def user_channel_permission_save(cls, request_dict, response):
        """
        主用户分享设备时设置通道权限保存
        """
        try:
            uid = request_dict.get('uid', None)
            channels = request_dict.get('channels', None)  # 通道集合，多个','隔开
            user_id = request_dict.get('userId', None)
            permission_ids = request_dict.get('permissionIds', None)  # 权限集合，多个','隔开
            if not all([user_id, uid, channels, permission_ids]):
                return response.json(444)
            p_ids = []
            device_user_set = DeviceChannelUserSet.objects.filter(user_id=user_id, uid=uid)
            now_time = int(time.time())
            with transaction.atomic():
                is_delete = False
                if not device_user_set.exists():
                    device_set = {'uid': uid, 'user_id': user_id, 'channels': channels,
                                  'created_time': now_time, 'updated_time': now_time}
                    device_user_set = DeviceChannelUserSet.objects.create(**device_set)
                    channel_user_id = device_user_set.id
                else:
                    DeviceChannelUserSet.objects.update(channels=channels, updated_time=now_time)
                    channel_user_id = device_user_set.first().id
                    is_delete = True
                if ',' in permission_ids:
                    p_ids = [int(val) for val in permission_ids.split(',')]
                if is_delete:
                    DeviceChannelUserPermission.objects.filter(
                        channel_user_id=channel_user_id).delete()
                if not p_ids:
                    channel_permission = {'permission_id': int(permission_ids),
                                          'channel_user_id': channel_user_id,
                                          'created_time': now_time}
                    DeviceChannelUserPermission.objects.create(**channel_permission)
                else:
                    channel_permission_list = []
                    for item in p_ids:
                        channel_permission_list.append(DeviceChannelUserPermission(
                            permission_id=int(item),
                            channel_user_id=channel_user_id,
                            created_time=now_time))
                    DeviceChannelUserPermission.objects.bulk_create(channel_permission_list)
                return response.json(0)
        except Exception as e:
            LOGGER.info('异常详情,errLine:{}, errMsg:{}'.format(e.__traceback__.tb_lineno, repr(e)))
            return response.json(500, repr(e))