#!/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: 2018/9/11 15:08
@Version: python3.6
@MODIFY DECORD:ansjer dev
@file: UserController.py
@Contact: chanjunkai@163.com
"""
import traceback

import simplejson as json
from django.contrib import auth
from django.contrib.auth.hashers import make_password, check_password  # 对密码加密模块
from django.http import HttpResponseRedirect
from django.utils.decorators import method_decorator
from django.utils.timezone import utc
from django.views.decorators.csrf import csrf_exempt
from django.views.generic import TemplateView
from ratelimit.decorators import ratelimit

from Ansjer.config import *
from Controller.CheckUserData import DataValid, date_handler, RandomStr
from Model.models import Device_User
from Object.AWS.SesClassObject import SesClassObject
from Object.RedisObject import RedisObject
from Object.ResponseObject import ResponseObject
from Object.TokenObject import TokenObject
from Service.CommonService import CommonService
from Service.MiscellService import MiscellService
from Service.ModelService import ModelService
from Service.TemplateService import TemplateService


# 获取验证码
class authCodeView(TemplateView):

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

    @ratelimit(key='ip', rate='2/m')
    def post(self, request, *args, **kwargs):
        request.encoding = 'utf-8'
        lang = request.POST.get('language', None)
        response = ResponseObject(lang)
        was_limited = getattr(request, 'limited', False)
        if was_limited is True:
            return response.json(5)
        username = request.POST.get('userName', None)
        useremail = request.POST.get('userEmail', None)
        return self.ValidationError(username, useremail, response)

    # @ratelimit(key='ip', rate='2/m')
    def get(self, request, *args, **kwargs):
        # Device_User.objects.filter(userEmail='chanjunkai@163.com').delete()
        request.encoding = 'utf-8'
        lang = request.GET.get('language', None)
        response = ResponseObject(lang)
        was_limited = getattr(request, 'limited', False)
        if was_limited is True:
            return response.json(5)
        username = request.GET.get('userName', None)
        email = request.GET.get('userEmail', None)
        return self.ValidationError(username, email, response)

    def ValidationError(self, username, email, response):
        if username:
            username = username.strip()
            return self.phoneCode(username, response)
        elif email:
            email = email.strip()
            return self.emailCode(email, response)
        else:
            return response.json(800)

    def phoneCode(self, phone, response):
        dataValid = DataValid()
        if dataValid.mobile_validate(phone):
            reds = RedisObject()
            identifyingCode = reds.get_data(key=phone + '_identifyingCode')
            if identifyingCode is False:
                user_qs = Device_User.objects.filter(username=phone)
                if user_qs.exists():
                    return response.json(101)
                else:
                    identifyingCode = RandomStr(6, True)
                    if reds.set_data(key=phone + '_identifyingCode', val=identifyingCode, expire=600):
                        return response.json(0, {'identifyingCode': identifyingCode})
                    else:
                        return response.json(10, '生成缓存系统错误')

            else:
                return response.json(0, {'identifyingCode': identifyingCode})
        else:
            return response.json(107)

    def emailCode(self, email, response):
        dataValid = DataValid()
        if dataValid.email_validate(email):
            reds = RedisObject()
            identifyingCode = reds.get_data(key=email + '_identifyingCode')
            if identifyingCode is False:
                user_qs = Device_User.objects.filter(username=email)
                email_qs = Device_User.objects.filter(userEmail=email)
                if user_qs.exists():
                    return response.json(103)
                elif email_qs.exists():
                    return response.json(103)
                else:
                    identifyingCode = RandomStr(6, True)
                    if reds.set_data(key=email + '_identifyingCode', val=identifyingCode, expire=AuthCode_Expire):
                        send_data = TemplateService.email_message(type='register_code', language=response.lang)
                        ses = SesClassObject()
                        send_res = ses.send_email(
                            send_address_list=[email],
                            subject=send_data['title'],
                            body=send_data['body'].replace("{username}", email).replace("{captcha}",
                                                                                        str(identifyingCode))
                        )
                        if send_res:
                            reds.set_data(key=email + '_registerCode', val=identifyingCode, expire=AuthCode_Expire)
                            return response.json(0, {'identifyingCode': identifyingCode})
                        else:
                            return response.json(44)
                    else:
                        return response.json(10, '生成缓存系统错误')

            else:
                return response.json(0, {'identifyingCode': identifyingCode})
        else:
            return response.json(107)


# 验证码注册
class registerView(TemplateView):
    @method_decorator(csrf_exempt)
    def dispatch(self, *args, **kwargs):
        return super(registerView, self).dispatch(*args, **kwargs)

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

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

    def validates(self, request_dict):
        username = request_dict.get('userName', None)
        userEmail = request_dict.get('userEmail', None)
        password = request_dict.get('userPwd', None)
        authCode = request_dict.get('identifyingCode', None)
        language = request_dict.get('language', None)
        response = ResponseObject(language)
        if username and password and authCode:
            # 过滤空格
            username = username.strip()
            if userEmail:
                userEmail = userEmail.strip()
            return self.register(username, userEmail, password, authCode, response)
        else:
            return response.json(800)

    def register(self, username, userEmail, password, authCode, response):
        dataValid = DataValid()
        reds = RedisObject()
        identifyingCode = reds.get_data(key=username + '_identifyingCode')
        if identifyingCode is False:
            if userEmail:
                identifyingCode = reds.get_data(key=userEmail + '_identifyingCode')
                if identifyingCode is False:
                    return response.json(120)
                else:
                    username = userEmail
            else:
                return response.json(120)
        if authCode != identifyingCode:
            return response.json(121)
        if dataValid.password_validate(password):
            if dataValid.email_validate(username):
                if userEmail:
                    print(userEmail)
                    emailValid = Device_User.objects.filter(userEmail=userEmail)
                    if emailValid.exists():
                        return response.json(103)
                if username:
                    nameValid = Device_User.objects.filter(username=username)
                    if nameValid.exists():
                        return response.json(101)
                try:
                    create_data = {
                        "username": username,
                        "userEmail": userEmail,
                        "password": make_password(password),
                        "userID": CommonService.getUserID(μs=False, setOTAID=True),
                        "is_active": True,
                        "user_isValid": True,
                    }
                    users = Device_User.objects.create(**create_data)
                except Exception as e:
                    errorInfo = traceback.format_exc()
                    print(errorInfo)
                    return response.json(424, repr(e))
                else:
                    if reds.del_data(key=username + '_identifyingCode'):
                        return response.json(0, {
                            "user": {
                                "userID": users.userID,
                                "username": users.username,
                                "userEmail": users.userEmail,
                                "NickName": users.NickName,
                                "userIconUrl": str(users.userIconUrl),
                                "is_superuser": users.is_superuser,
                                "is_active": users.is_active,
                                "data_joined": date_handler(users.data_joined),
                                "last_login": date_handler(users.last_login),
                            }
                        })
                    else:
                        return response.json(10, '删除缓存验证码错误')

            elif dataValid.mobile_validate(username):
                nameValid = Device_User.objects.filter(username=username)
                if nameValid:
                    return response.json(101)
                try:
                    create_data = {
                        "username": username,
                        "userEmail": userEmail,
                        "password": make_password(password),
                        "userID": CommonService.getUserID(μs=False, setOTAID=True),
                        "is_active": True,
                        "user_isValid": True,
                    }
                    users = Device_User.objects.create(**create_data)
                except Exception as e:
                    errorInfo = traceback.format_exc()
                    print(errorInfo)
                    return response.json(424, repr(e))
                else:
                    if reds.del_data(key=username + '_identifyingCode'):
                        return response.json(0, {
                            "user": {
                                "userID": users.userID,
                                "username": users.username,
                                "userEmail": users.userEmail,
                                "NickName": users.NickName,
                                "userIconUrl": str(users.userIconUrl),
                                "is_superuser": users.is_superuser,
                                "is_active": users.is_active,
                                "data_joined": date_handler(users.data_joined),
                                "last_login": date_handler(users.last_login),
                            }
                        })
                    else:
                        return response.json(10, '删除缓存验证码错误')

            else:
                return response.json(107)
        else:
            return response.json(109)


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

    @ratelimit(key='ip', rate='5/m')
    def post(self, request, *args, **kwargs):
        request.encoding = 'utf-8'
        request_dict = request.POST
        language = request_dict.get('language', 'en')
        response = ResponseObject(language)
        was_limited = getattr(request, 'limited', False)
        if was_limited is True:
            return response.json(5)
        return self.validates(request_dict, response)

    @ratelimit(key='ip', rate='5/m')
    def get(self, request, *args, **kwargs):
        request.encoding = 'utf-8'
        request_dict = request.GET
        language = request_dict.get('language', 'en')
        response = ResponseObject(language)
        was_limited = getattr(request, 'limited', False)
        if was_limited is True:
            return response.json(5)
        return self.validates(request_dict, response)

    def validates(self, request_dict, response):
        username = request_dict.get('userName', None)
        password = request_dict.get('userPwd', None)
        print(username)
        print(password)
        mcode = request_dict.get('mobileMechanicalCode', '')
        if username and password:
            username = username.strip()
            password = password.strip()
            return self.login(username, password, mcode, response)
        else:
            return response.json(444, 'username,password')

    def login(self, username, password, mcode, response):
        dataValid = DataValid()
        if dataValid.mobile_validate(username):
            userValid = Device_User.objects.filter(username=username)
            if userValid:
                if userValid[0].user_isValid and userValid[0].is_active:
                    c_p = check_password(password, userValid[0].password)
                    if c_p:
                        return self.LoginUpdate(userValid, mcode, response)
                    else:
                        return response.json(111)
                else:
                    return response.json(110)
            else:
                return response.json(102)
        elif dataValid.email_validate(username):
            userValid = Device_User.objects.filter(userEmail=username)
            if userValid:
                if userValid[0].user_isValid and userValid[0].is_active:
                    User = auth.authenticate(username=userValid[0].username, password=password)
                    if User is not None:
                        return self.LoginUpdate(userValid, mcode, response)
                    else:
                        return response.json(111)
                else:
                    return response.json(110)
            else:
                return response.json(104)
        else:
            return response.json(104)

    def LoginUpdate(self, userValid, mcode, response):
        userID = userValid[0].userID
        print('userID'+userID)
        tko = TokenObject()
        res = tko.generate(data={'userID': userID, 'lang': response.lang, 'mcode': mcode})
        if tko.code == 0:
            now_time = datetime.datetime.utcnow().replace(tzinfo=utc).astimezone(utc)
            userValid.update(last_login=now_time, online=True, machine_code=mcode, language=response.lang)
            role_dict = ModelService.own_role(userID=userID)
            res['rid'] = role_dict['rid']
            res['roleName'] = role_dict['roleName']
            res['permList'] = ModelService.own_permission(userID)
            res['userID'] = userID
            print(res)
            return response.json(0, res)
        else:
            return response.json(tko.code)


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

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

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

    def Logout(self, request, token):
        response = ResponseObject()
        if token:
            tko = TokenObject(token)
            tko.valid()
            if tko.code == 0:
                try:
                    MiscellService.add_access_log(request=request, status_code=200)
                except Exception as e:
                    pass
                is_udpate = Device_User.objects.filter(userID=tko.userID).update(online=False)
                if is_udpate:
                    return response.json(0)
            else:
                return response.json(tko.code)
        else:
            return response.json(800)


# 修改密码
class ChangePwdView(TemplateView):
    @method_decorator(csrf_exempt)
    def dispatch(self, *args, **kwargs):
        return super(ChangePwdView, self).dispatch(*args, **kwargs)

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

    def get(self, request, *args, **kwargs):
        request.encoding = 'gb2312'
        request_dict = request.GET
        return self.validates(request_dict)

    def validates(self, request_dict):
        token = request_dict.get('token', None)
        oldPwd = request_dict.get('oldPwd', None)
        newPwd = request_dict.get('newPwd', None)
        response = ResponseObject()
        if token and oldPwd and newPwd:
            tko = TokenObject(token)
            tko.valid()
            response.lang = tko.lang
            if tko.code == 0:
                return self.updatePwd(tko.userID, oldPwd, newPwd, response)
            else:
                return response.json(tko.code)
        else:
            return response.json(800)

    def updatePwd(self, userID, oldPwd, newPwd, response):
        user_qs = Device_User.objects.filter(userID=userID)
        if user_qs.exists():
            c_p = check_password(oldPwd, user_qs[0].password)
            if c_p:
                update = user_qs.update(password=make_password(newPwd))
                if update:
                    return response.json(0)
                else:
                    return response.json(112)
            else:
                return response.json(111)
        else:
            return response.json(113)


class ForgetPwdView(TemplateView):
    '''
    忘记密码
    '''

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

    @ratelimit(key='ip', rate='1/m')
    def get(self, request, *args, **kwargs):
        request.encoding = 'utf-8'
        response = ResponseObject()
        was_limited = getattr(request, 'limited', False)
        if was_limited is True:
            return response.json(5)
        userName = request.GET.get('userName', None)
        return self.ValidationError(userName, response)

    @ratelimit(key='ip', rate='1/m')
    def post(self, request):
        request.encoding = 'utf-8'
        userName = request.POST.get('userName', None)
        response = ResponseObject()
        was_limited = getattr(request, 'limited', False)
        if was_limited is True:
            return response.json(5)
        return self.ValidationError(userName,response)

    def ValidationError(self, userName, response):

        if userName != None:
            userName = userName.strip()
            return self.ForgetPwd(userName, response)
        else:
            return response.json(800)

    def ForgetPwd(self, userName, response):
        dataValid = DataValid()
        if dataValid.mobile_validate(userName):
            User = Device_User.objects.filter(username=userName)
        elif dataValid.email_validate(userName):
            User = Device_User.objects.filter(username=userName)
        else:
            return response.json(9)
        if User:
            email = User[0].userEmail
            userID = User[0].userID
            if email:
                redisObj = RedisObject()
                reset_pwd = redisObj.get_data(key=userID + '_email_reset_pwd')
                if reset_pwd is False:
                    tko = TokenObject()
                    rest = tko.generate(data={'userID': userID})
                    token = rest['access_token']

                    reset_pwd = CommonService.RandomStr(6)
                    send_data = TemplateService.email_message(type='forget', language='en')
                    reset_link = '{server_host}/account/email-re-pwd?token={token}'.format(
                        server_host=SERVER_DOMAIN, token=token)
                    send_body = send_data['body'].format(username=email, reset_pwd=reset_pwd, reset_link=reset_link)
                    ses = SesClassObject()
                    send_res = ses.send_email(send_address_list=[email], subject=send_data['title'], body=send_body)
                    if send_res is True:
                        if redisObj.set_data(key=userID + '_email_reset_pwd',val=reset_pwd,expire=3600):
                            return response.json(0)
                        else:
                            return response.json(10, '存储验证失败')
                else:
                    return response.json(89)
            else:
                return response.json(103)
        else:
            return response.json(9)


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

    # 查询
    def get(self, request, *args, **kwargs):
        response = ResponseObject()
        request_dict = request.GET
        return self.validate(request_dict, response, *args, **kwargs)

    # 认证登录
    def post(self, request, *args, **kwargs):
        response = ResponseObject()
        try:
            print(request.body.decode("utf-8"))
            json_data = json.loads(request.body.decode("utf-8"))
        except Exception as e:
            return response.json(10, repr(e))
        else:
            request_dict = json_data
            return self.validate(request_dict, response, *args, **kwargs)

    def validate(self, request_dict, response, *args, **kwargs):
        token = request_dict.get('token', None)
        if token is not None:
            tko = TokenObject(token)
            tko.valid()
            if tko.code == 0:
                redisObj = RedisObject()
                userID = tko.userID
                reset_pwd = redisObj.get_data(key=userID + '_email_reset_pwd')
                if reset_pwd is not False:
                    user_qs = Device_User.objects.filter(userID=userID)
                    if user_qs.exists():
                        redisObj.del_data(key=userID + '_email_reset_pwd')
                        is_update = user_qs.update(password=make_password(reset_pwd))
                        if is_update:
                            return HttpResponseRedirect("http://www.dvema.com/web/html/paw_update_success.html?code=" + reset_pwd)
                        else:
                            return response.json(10)
                    else:
                        return response.json(9)
                else:
                    return HttpResponseRedirect('http://www.dvema.com/web/html/paw_update_unsuccessful.html?lang=en')
                    return response.json(306, 'rpwd')
            else:
                return HttpResponseRedirect('http://www.dvema.com/web/html/paw_update_unsuccessful.html?lang=en')
                return response.json(tko.code)
        else:
            return response.json(444, 'token')


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

    def post(self, request, *args, **kwargs):
        request.encoding = 'utf-8'
        request_dict = json.loads(request.body.decode('utf-8'))
        return self.validation(request_dict)

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

    def validation(self, request_dict):
        token = request_dict.get('token', None)
        lang = request_dict.get('lang', None)
        response = ResponseObject(lang)
        if token is not None:
            tko = TokenObject(token)
            res = tko.refresh()
            code = tko.code
            if code == 0:
                return response.json(0, res)
            else:
                return response.json(code)
        else:
            return response.json(444, 'token')