#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
"""
import json
import time
import requests
import uuid
import logging
from django.views.generic import TemplateView
from django.shortcuts import render_to_response
from django.http import JsonResponse
import http.client
from urllib.parse import urlencode
from object.ResObject import ResObject
import subprocess
# from gevent.pool import Pool
from model.models import UserModel,UidRtspModel
from object.ResponseObject import ResponseObject
from object.tkObject import tkObject
from service.CommonService import CommonService
from model.models import AlexaAuthModel
from object.RedisObject import RedisObject
from django.utils.decorators import method_decorator
from django.views.decorators.csrf import csrf_exempt



rtspServer = "rtsp.zositech.org,3.16.66.144"

class deviceStatus(TemplateView):
    @method_decorator(csrf_exempt)
    def dispatch(self, *args, **kwargs):
        return super(deviceStatus, self).dispatch(*args, **kwargs)

    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):
        response = ResponseObject()
        if operation is None:
            return JsonResponse({'code':404,'msg':'not found'})
        if operation == 'saveAccessToken':
            return self.saveAccessToken(request_dict, response)
        if operation == 'addOrUpdate':
            return self.addOrUpdate(request_dict, response)
        if operation == 'delete':
            return self.delete(request_dict, response)
        elif operation == 'test':
            return self.discover(request_dict, response)


    def saveAccessToken(self,request_dict, response):
        access_token = request_dict.get("access_token", '')
        refresh_token = request_dict.get("refresh_token", '')
        token = request_dict.get("token", '')
        logger = logging.getLogger('django')
        logger.info('login-------------begin---token')
        logger.info(access_token)
        logger.info(refresh_token)
        alexAuth = AlexaAuthModel.objects.filter(token=token)
        nowTime = int(time.time())
        if not alexAuth.exists():
            AlexaAuthModel.objects.create(
                access_token = access_token,
                refresh_token = refresh_token,
                token = token,
                expiresTime = nowTime + 3200,
                addTime=nowTime,
                updTime=nowTime)
        else:
            alexAuth.update(
                access_token = access_token,
                refresh_token = refresh_token,
                expiresTime = nowTime + 3200,
                token = token,
                updTime=nowTime
            )
        return JsonResponse({'code':200,'msg':'success'})

    def discover(self,request_dict, response):
        userID = 158943604783713800138000
        # token = 'cGSOD01pi2BICtGd1SVdjegwrVKV1Kmn'
        token = 'cGSOD01pi2BICtGd1SVdjegwrVKV1Kmn'
        alexAuth = AlexaAuthModel.objects.filter(token=token)
        if alexAuth.exists():
            res = alexAuth.values()
            access_token = res[0]['access_token']
            refresh_token = res[0]['refresh_token']
            token = res[0]['token']
            expiresTime = res[0]['expiresTime']
            AlexaAuthModel.objects.filter(userID = userID).delete()
            alexAuth.delete()
            AlexaAuthModel.objects.create(
                userID = userID,
                access_token = access_token,
                refresh_token = refresh_token,
                token = token,
                expiresTime = expiresTime,
            )
        return JsonResponse({'code':200,'msg':'xxx'})


    def addOrUpdate(self,request_dict, response):
        UID = request_dict.get("UID", '')
        userID = request_dict.get("userID", '')
        uid_nick = request_dict.get("uid_nick", '')

        if UID != '' and userID != '' and uid_nick != '':
            return JsonResponse({'code':200,'msg':'success'})
        else:
            return JsonResponse({'code':200,'msg':'fail'})

        access_token = 'xx'
        api_uri = 'https://api.amazonalexa.com/v3/events'
        messageId = str(uuid.uuid4())
        access_token = access_token
        bearer_access_token = 'Bearer {access_token}'.format(access_token=access_token)
        headers =  {'content-type': "application/json", 'Authorization': bearer_access_token}
        payload = {
            "event": {
                "header": {
                    "namespace": "Alexa.Discovery",
                    "name": "AddOrUpdateReport",
                    "payloadVersion": "3",
                    "messageId": messageId
                },
                "payload": {
                    "endpoints": [
                        {
                            "endpointId": UID,
                            "manufacturerName": "zosi smart",
                            "description": "Camera connected via zosi smart",
                            "friendlyName": uid_nick,
                            "displayCategories": [
                                "CAMERA"
                            ],
                            "capabilities": [
                                {
                                    "type": "AlexaInterface",
                                    "interface": "Alexa.CameraStreamController",
                                    "version": "3",
                                    "cameraStreamConfigurations": [
                                        {
                                            "protocols": ["RTSP"],
                                            "resolutions":  [{"width": 1280, "height": 720}],
                                            "authorizationTypes": ["NONE"],
                                            "videoCodecs": ["H264"],
                                            "audioCodecs": ["ACC"]
                                        }]
                                },
                                {
                                    "type": "AlexaInterface",
                                    "interface": "Alexa.MediaMetadata",
                                    "version": "3",
                                    "proactivelyReported": True,
                                    # "retrievable": True
                                }
                            ]
                        }
                    ],
                    "scope": {
                        "type": "BearerToken",
                        "token": access_token
                    }
                }
            }
        }
        response = requests.post(api_uri, data = payload, headers = headers)
        request_json = response.json()
        return JsonResponse({'res': request_json})

    def delete(self,request_dict, response):
        UID = request_dict.get("UID", '')
        if UID != '':
            return JsonResponse({'code':200,'msg':'success'})
        else:
            return JsonResponse({'code':200,'msg':'fail'})


    def post_to_api(self, payload):
        connection = http.client.HTTPSConnection("api.amazon.com")
        headers = {
            'content-type': "application/x-www-form-urlencoded",
            'cache-control': "no-cache"
        }

        response = requests.post('https://api.amazon.com/auth/o2/token', urlencode(payload), headers= headers, allow_redirects=True)
        request_json = response.json()
        return JsonResponse({'res': request_json})