from tkinter.messagebox import *

from dao.UserDao import UserDao


class UserService:

    @staticmethod
    def login_dispose(user_name, password):
        user = UserDao.query_user(user_name)
        if user is None:
            showwarning(title="警告", message="不存在当前用户！\n请先注册！")
            return
        if password != user[2]:
            showwarning(title="警告", message="密码错误！")
            return
        showinfo(title="提示", message="登录成功！")
        return True

    @staticmethod
    def register_dispose(user_name, password):
        user = UserDao.query_user(user_name)
        if user is not None:
            showwarning(title="警告", message="该用户名已使用！")
            return
        sql = "INSERT INTO t_user(user_name,user_password) VALUES (%s,%s);"
        UserDao.update_user(sql, user_name, password)
        showinfo(title="提示", message="注册成功！")
        return True