import json
import random
import time

import requests

from werkzeug.security import generate_password_hash

from DBHelper.MongoHelperInstance import DB_GUA
from Modules.AdminUser.UserObject1 import User, EmailVcodeChecker
from Modules.AdminUser.UserUtils1 import UserUtils
from Modules.Common.CommonUtils import CommonUtils


class UserImpl(object):

    @staticmethod
    def create(email, name, pwd, role):
        """创建"""

        UserUtils.check_mail_fmt(email)
        UserUtils.check_email_registered(email)

        user = User()
        user.uid = UserUtils.generate_new_uid()
        user.email = email
        user.name = name
        user.pwd = generate_password_hash(pwd)
        user.status = "normal"
        user.role = role
        user.create_time = CommonUtils.get_current_time()

        DB_GUA.insert_single_data(
            "管理端",
            "用户",
            user.dict_keys_toggle()
        )

    @staticmethod
    def login(email, pwd, vcode):
        """登录"""

        user_info = DB_GUA.find_single_data(
            "管理端",
            "用户",
            {"邮箱": email},
            ["用户ID", "邮箱", "用户名", "密码", "用户状态", "角色"]
        )

        assert user_info, "邮箱不存在"
        assert not user_info['用户状态'] != 'normal', "账户已禁用"

        UserUtils.check_vcode_is_correct(email, vcode)
        UserUtils.check_pwd_is_correct(user_info['密码'], pwd)

        menus = UserUtils.make_menus(user_info['角色'])
        token = UserUtils.make_token(user_info['用户ID'])

        user = User()
        user.name = user_info['用户名']
        user.email = user_info['邮箱']
        user.status = user_info['用户状态']
        user.role = user_info['角色']

        return_body = user.dict_keys_toggle()
        return_body["menus"] = menus
        return_body["token"] = token

        return return_body

    def disable(self):
        """禁用"""

    def active(self):
        """激活"""


class EmailVcodeCheckerImpl(EmailVcodeChecker):

    def send_vcode_email(self):

        def gen_vcode():
            choices = '0123456789'
            salt = ''
            for i in range(6):
                salt += random.choice(choices)
            self.vcode = salt

        def save_vcode():
            DB_GUA.upsert_single_data(
                "管理端",
                "邮箱验证码记录",
                {"email": self.email},
                {"vcode": self.vcode, "timestamp": round(time.time())}
            )

        def send_email():
            email_api = 'http://116.63.130.34:30001'
            headers = {"Content-Type": "application/json;charset=UTF-8"}
            data = {
                "title": "【远东资信】{}".format("登录验证码"),
                "sender": 'fecribd@fecr.com.cn',
                "recipients": [self.email],
                "msg_body": "您{}的验证码为 【{}】，5分钟内有效。".format("登录", self.vcode)
            }
            requests.post(url=email_api + '/send_mail', headers=headers, data=json.dumps(data))

        gen_vcode()
        save_vcode()
        send_email()