import random
import time

from werkzeug.security import check_password_hash

from CompanyUser.CompanyUser_obj import CompanyUser, VerifyInfo
from DBHelper.MongoHelper import MongoHelper
from Utils.ErrorUtil import ReturnConditionCheckFailed
from user.user_auth import create_token


class CompanyUserImpl(CompanyUser):
    """企业用户实现类"""

    db = MongoHelper("tfse_v0.21")

    def login(self):
        """"""

        company_user = self.db.find_single_data(
            "应用端",
            "企业用户",
            {"邮箱": self.email},
            ["企业ID", "企业名称", "邮箱", "密码"]
        )

        def check_user_existed():
            """检查用户是否存在"""
            if company_user is None:
                raise ReturnConditionCheckFailed("不存在该用户", 200)

        def check_password_correct():
            """检查密码是否正确"""
            if not check_password_hash(company_user['密码'], self.pwd):
                raise ReturnConditionCheckFailed("登录密码错误", 200)

        def __main__():
            """"""
            check_user_existed()
            check_password_correct()

            self.cid = company_user['企业ID']
            self.name = company_user['企业名称']
            self.email = company_user['邮箱']

            return_body = self.dict_to_show()
            return_body['token'] = create_token({"cid": self.cid})

            return return_body

        return __main__()

    def register(self, code):
        """注册"""

        def check_email_registered():
            """检查邮箱是否已被注册"""
            email = self.db.find_single_column(
                "应用端",
                "企业用户",
                {"邮箱": self.email},
                "邮箱"
            )
            if email is not None:
                raise ReturnConditionCheckFailed("邮箱已被注册", 200)

        def check_vcode_correct():
            """检查邮箱验证码是否正确"""
            verify_data = self.db.find_single_data(
                "应用端",
                "邮箱验证码记录",
                {"邮箱": self.email},
                ["验证码", "验证有效期"]
            )

            if not verify_data:
                raise ReturnConditionCheckFailed("验证码错误", 200)

            if verify_data['验证码'] != code:
                raise ReturnConditionCheckFailed("验证码错误", 200)

            if time.time()-verify_data['验证有效期'] > 300:
                raise ReturnConditionCheckFailed('验证码过期', 200)

        def make_new_cid():
            """生成新的企业ID，如果该ID存在，则重新生成"""

            def random_cid(num):
                """随机企业ID"""
                choices = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
                salt = ''
                for i in range(num):
                    salt += random.choice(choices)
                return salt

            new_cid = random_cid(8)

            case = self.db.find_single_column(
                "应用端",
                "企业用户",
                {"企业ID": new_cid},
                "企业ID"
            ) is not None
            while case:
                new_cid = random_cid(8)
            return new_cid

        def __main__():
            """"""
            check_email_registered()
            check_vcode_correct()

            self.cid = make_new_cid()
            self.avatar_id = "623152edf36000004f00124e"
            self.verify_status = "否"
            self.verify_info = VerifyInfo()

            self.db.insert_single_data(
                "应用端",
                "企业用户",
                self.dict_to_save()
            )

            self.db.delete_single_data(
                "应用端",
                "邮箱验证码记录",
                {"邮箱": self.email}
            )

        __main__()