class ClassOne
    {
        /// <summary>
        ///
        /// Script which is called in start to check if we have nickname saved in player prefs
        /// if there is a name go and check all other data and if everythig is good switch it to GameScreen
        /// if there is no name then show add new user panel
        ///
        /// </summary>

        public static void CheckUser()
        {
            User user = new User();
            bool isNew = false;
            //Check if users nickname is in PlayerPrefs
            string userNickname = GetUserNickname();
            if (isNew)
            {
                ShowNewUserPanel();
            }
            else
            {
                if (CheckUserInfo(userNickname))
                {
                    //Wellcome Screen
                }
                else
                {
                    //Something is wrong
                    ShowNewUserPanel();
                }
            }
        }

        public static bool CheckUserInfo(string userNickname)
        {
            bool isGood = false;
            //check all data related to that nickname
            // return true if everything is okej
            isGood = !IsNullOrEmpty(PlayerPrefs.GetString("user_username"))? true : false; // already done but ...
            isGood = !IsNullOrEmpty(PlayerPrefs.GetString("user_randpass")) ? true : false;
            return isGood;

        }
        public static string GetUserNickname()
        {

            return GetString("user_username");

        }
        public static void ShowNewUserPanel()
        {

            //Show add user panel

        }

    }

    class ScriptTwo
    {
        /// <summary>
        ///
        /// Add new user panel script!
        /// Show panel to insert Nickname
        /// Make random password
        /// Save it to player prefs
        ///
        /// </summary>

        public static void AddPlayer()
        {
            User user = new User();
            string nickname = ""; // get it from the panel
            string randompassword = CreatePassword();

            user.Nickname = nickname;
            user.Randpassword = randompassword;
            user = UserTools.AddNewUser(user);




        }
        public static string CreatePassword()
        {
            int length = 20;
            const string valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
            StringBuilder res = new StringBuilder();
            System.Random rnd = new System.Random();
            while (0 < length--)
            {
                res.Append(valid[rnd.Next(valid.Length)]);
            }
            return res.ToString();
        }


    }
    class GameManager
    {
        /// <summary>
        ///
        /// Game Manager
        /// This class is NeverDestroy Class
        /// Having public static user which we use everywhere and
        /// have Refresh function which refresing user after every action
        ///
        /// Script UserTools have all logic for user
        ///
        /// </summary>


        public static User user;


        public void UserInit()
        {
            user = CheckUserInit();
        }

        public void RefreshUser(User tempUser)
        {
            user.Update(tempUser);
        }

        public User GetStaticUser()
        {
            return user;
        }


    }

    class UserTools
    {


        /// <summary>
        ///
        /// User Tools
        /// All the logic for user in more details
        /// to be separated from script that have Update
        ///
        /// </summary>
        ///

        public User CheckUserInit()
        {
            User returnUser = new User();
            //Get user from PlayerPrefs

            string status = "User Init Status: ";
            string nickname = PlayerPrefs.GetString("user_username");
            string randpassword = PlayerPrefs.GetString("user_randompass");
            int level = PlayerPrefs.GetInt("user_level");
            int experience = PlayerPrefs.GetInt("user_experience");


            if (!IsNullOrEmpty(nickname) &&
                !IsNullOrEmpty(randpassword) &&
                !IsNullOrEmpty(level) &&
                !IsNullOrEmpty(experience))
            {

                status += "Successful!";
            }
            else
            {
                status += "Problem Getting Details    -";
                status += !IsNullOrEmpty(nickname) ? "Username: Successful! , " : "Username: Failed! , ";
                status += !IsNullOrEmpty(randpassword) ? "Randompass: Successful! , " : "Randompass: Failed! , ";
                status += !IsNullOrEmpty(level) ? "Level: Successful! , " : "Level: Failed! , ";
                status += !IsNullOrEmpty(experience) ? "Experience: Successful! , " : "Experience: Failed!";

            }

            Debug.Log(status);

            returnUser.Nickname = nickname;
            returnUser.Randpassword = randpassword;
            returnUser.Level = level;
            returnUser.Experience = experience;

            return returnUser;
        }
        public User AddNewUser(User user)
        {
            user.Experience = 0;
            user.Level = 0;

            return user;
        }
        public void SaveUser(User user)
        {
            PlayerPrefs.SetString("user_username", user.Nickname);
            PlayerPrefs.SetString("user_randompass", user.Randpassword);
            PlayerPrefs.SetInt("user_level", user.Level);
            PlayerPrefs.SetInt("user_experience", user.Experience);
            Debug.Log("Player Saved!");
        }



    }


    class User
    {
        /// <summary>
        ///
        /// User model Class
        ///
        /// </summary>
        public string Nickname { get; set; }
        public string Randpassword { get; set; }
        public int Experience { get; set; }
        public int Level { get; set; }

       public User()
        {
        }

        public void Update(User user)
        {

            if (IsNullOrEmpty(user.Nicknamame)) { return; }

            // Add checking for every property

            this.Experience = user.Experience != 0 ? user.Experience : this.Experience;
            this.Level = user.Level != 0 ? user.Level : this.Level;
        }
    }