#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
@Copyright (C) ansjer cop Video Technology Co.,Ltd.All rights reserved.
@AUTHOR: ASJRD018
@NAME: AnsjerFormal
@software: PyCharm
@DATE: 2019/3/4 16:30
@Version: python3.6
@MODIFY DECORD:ansjer dev
@file: DeviceShare.py
@Contact: chanjunkai@163.com
"""

from django.views.generic.base import View

from Model.models import Device_Info
from Object.RedisObject import RedisObject
from Object.ResponseObject import ResponseObject
from Object.TokenObject import TokenObject
import time
from Ansjer.config import SERVER_DOMAIN
import jwt


class DeviceShareView(View):

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

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

    def validation(self, request_dict, operation):
        response = ResponseObject()
        token = request_dict.get('token', None)
        if token:
            tko = TokenObject(token)
            if tko.code == 0:
                if operation == 'generateTokenUrl':
                    return self.do_generate_token_url(tko.userID, request_dict, response)
                else:
                    return response.json(414)
            else:
                return response.json(tko.code)
        else:
            return response.json(444, {'param': 'token'})

    def do_generate_token_url(self, userID, request_dict, response):
        UID = request_dict.get('UID', None)
        dvqs = Device_Info.objects.filter(UID=UID, userID_id=userID, isShare=False)
        if dvqs.exists():
            data = {'sharer': userID, 'UID': UID}
            share_token = jwt.encode(data, 'jwt.#^^&', algorithm='HS256')
            share_url = '{SERVER_DOMAIN}deviceShare/confirm?shareToken={shareToken}' \
                .format(SERVER_DOMAIN=SERVER_DOMAIN, shareToken=share_token.decode('utf-8'))
            return response.json(0, {'share_url': share_url})
        else:
            return response.json(173)

    def do_confirm(self, userID, request_dict, response):
        shareToken = request_dict.get('shareToken', None)
        if shareToken is not None:
            data = jwt.decode(shareToken, 'jwt.#^^&', algorithms='HS256')
            sharer = data.get('sharer', None)
            UID = data.get('UID', None)
            dval = Device_Info.objects.filter(userID_id=userID, UID=UID)
            if not dval.exists():
                sharerDvqs = Device_Info.objects.filter(userID_id=sharer, UID=UID)
                if sharerDvqs.exists():
                    pass
                else:
                    return response.json(173)
            else:
                return response.json(174)
        else:
            return response.json(444, {'param': 'shareToken'})