# @Author    : Rocky
# @File      : UserController.py
# @Time      : 2024/11/27 16:35
import requests
from Ansjer.config import LOGGER
from django.views.generic.base import View

from Object.Enums.WeChatEnum import WeChatMiniProgramAPIEnum, WeChatMiniProgramConfigEnum
from Object.RedisObject import RedisObject
from Object.ResponseObject import ResponseObject


class EquipmentFamilyView(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):
        lang = request_dict.get('lang', 'cn')
        response = ResponseObject(lang)
        access_token = self.get_access_token()
        if operation == 'getPhoneNumber':
            return self.get_phone_number(request_dict, response)
        else:
            return response.json(414)

    @staticmethod
    def get_access_token():
        """
        获取小程序全局唯一后台接口调用凭据，token有效期为7200s
        https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/mp-access-token/getAccessToken.html
        @return: access_token
        """
        try:
            redis_obj = RedisObject()
            access_token_key = WeChatMiniProgramConfigEnum.AccessTokenKey.value
            expires_time = redis_obj.get_ttl(access_token_key)
            # 如果有效时间大于十分钟,返回token,否则刷新token
            if expires_time > 10 * 60:
                access_token = redis_obj.get_data(access_token_key)
                return access_token
            else:
                params = {
                    'grant_type': 'client_credential',
                    'appid': WeChatMiniProgramConfigEnum.AppID.value,
                    'secret': WeChatMiniProgramConfigEnum.AppSecret.value
                }
                r = requests.get(url=WeChatMiniProgramAPIEnum.getAccessTokenAPI.value, params=params, timeout=5)
                result = eval(r.content)
                access_token = result.get('access_token')
                assert access_token
                expires_in = result.get('expires_in')
                # 保存到Redis
                redis_obj.set_ex_data(key=access_token_key, val=access_token, expire=expires_in)
                return access_token
        except Exception as e:
            LOGGER.info('微信小程序获取token异常:error_line:{}, error_msg:{}'.format(e.__traceback__.tb_lineno, repr(e)))
            return None

    @classmethod
    def get_phone_number(cls, request_dict, response):
        """
        获取手机号码
        @param request_dict:
        @param response:
        @return: phone_number
        """
        code = request_dict.get('code', None)
        if not code:
            return response.json(444)
        try:
            access_token = cls.get_access_token()
            url = WeChatMiniProgramAPIEnum.getPhoneNumberAPI.value.format(access_token)
            data = {
                'code': code
            }
            r = requests.post(url=url, data=data, timeout=5)
            result = eval(r.content)
            errcode = result.get('errcode')
            assert errcode == 0
            pure_phone_number = result['phone_info']['purePhoneNumber']
            res = {
                'purePhoneNumber': pure_phone_number
            }
            return response.json(0, res)
        except Exception as e:
            LOGGER.info('微信小程序获取手机号码异常:error_line:{}, error_msg:{}'.format(e.__traceback__.tb_lineno, repr(e)))
            return response.json(500, 'error_line:{}, error_msg:{}'.format(e.__traceback__.tb_lineno, repr(e)))