#!/usr/bin/env python3  
# -*- coding: utf-8 -*-  
"""
@Copyright (C) ansjer cop Video Technology Co.,Ltd.All rights reserved.
@AUTHOR: ASJRD018
@NAME: AnsjerOA
@software: PyCharm
@DATE: 2018/8/13 15:36
@Version: python3.6
@MODIFY DECORD:ansjer dev
@file: TokenObject.py
@Contact: chanjunkai@163.com
"""
from Ansjer.config import OAUTH_ACCESS_TOKEN_SECRET, OAUTH_REFRESH_TOKEN_SECRET, OAUTH_ACCESS_TOKEN_TIME, \
    OAUTH_REFRESH_TOKEN_TIME
import jwt, time
from Model.models import Device_User


class TokenObject:

    def __init__(self, token=None):
        if token == 'local':
            token = 'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ1c2VySUQiOiIxNTQzOTA5MDUwNDEzMTM4MDAxMzgwMDAiLCJsYW5nIjoiZW4iLCJleHAiOjE1NzQwNTg2Njh9.tzJLLh78EuW_FZ1oLJ85RSaryVntVY72FBfqZg_G-qc'
        if token == 'test':
            token = 'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJsYW5nIjoiZW4iLCJleHAiOjE1NDUwOTQ0MDgsInVzZXJJRCI6IjE1MTU2NDI2MjMzNzkzOTUxMzgwMDEzODAwMSJ9.d7guVGZy7oFh5_Ri5kfeK-C7hNtKTqBlxMrWPR7nnaE'
        self.token = token
        self.code = 0
        self.lang = None
        self.userID = None

    def valid(self):
        if self.token is None:
            self.code = 309
            return
        try:
            res = jwt.decode(self.token, OAUTH_ACCESS_TOKEN_SECRET, algorithms='HS256')
            self.userID = res.get('userID', None)
            self.lang = res.get('lang', None)
            # 刷新登录时间
            device_user = Device_User.objects.get(userID=self.userID)
            device_user.online = True
            device_user.save()
        except jwt.ExpiredSignatureError as e:
            print('过期')
            print(repr(e))
            self.code = 309
        except Exception as e:
            self.code = 309
        else:
            return res

    def generate(self, data={}):
        try:
            access_expire = int(OAUTH_ACCESS_TOKEN_TIME.total_seconds())
            refresh_expire = int(OAUTH_REFRESH_TOKEN_TIME.total_seconds())
            now_stamp = int(time.time())
            access_data = data
            refresh_data = data
            access_data['exp'] = access_expire + now_stamp
            refresh_data['exp'] = refresh_expire + now_stamp
            access_token = jwt.encode(access_data,
                                      OAUTH_ACCESS_TOKEN_SECRET,
                                      algorithm='HS256')
            refresh_token = jwt.encode(
                refresh_data,
                OAUTH_REFRESH_TOKEN_SECRET,
                algorithm='HS256')
            res = {
                'access_token': access_token.decode('utf-8'),
                'access_expire': access_expire,
                'refresh_expire': refresh_expire,
                'refresh_token': refresh_token.decode('utf-8'),
            }
        except Exception as e:
            self.code = 309
            print(repr(e))
        else:
            return res

    def refresh(self):
        try:
            res = jwt.decode(self.token, OAUTH_REFRESH_TOKEN_SECRET, algorithms='HS256')
        except jwt.ExpiredSignatureError as e:
            print('过期')
            print(repr(e))
            self.code = 309
        except Exception as e:
            self.code = 309
            print(repr(e))
        else:
            userID = res['userID']
            lang = res['lang']
            refreshRes = self.generate(data={'userID': userID, 'lang': lang})
            return refreshRes