/*
Thor Server 2.0 Project - Codenamed "Stockholm"
Copyright 2008 - 2009 Joe Hegarty


This file is part of The Thor Server 2.0 Project - Codenamed "Stockholm".

The Thor Server 2.0 Project - Codenamed "Stockholm" is free software: you can 
redistribute it and/or modify it under the terms of the Microsoft Public License

The Thor Server Project is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Microsoft Public License for more details.

You should have received a copy of the Microsoft Public License
along with The Thor Server Project.  If not, see 
http://www.opensource.org/licenses/ms-pl.html
*/

using System;
using System.Text.RegularExpressions;

namespace StockholmLibrary.Game.Util
{
    //------------------------------------
    public class DataValidator
    {
        public const int USER_NAME_MINLEN = 3;
        public const int USER_NAME_MAXLEN = 15;
        public const string USER_NAME_ALLOWED = "1234567890qwertyuiopasdfghjklzxcvbnm-+=?!@:.,$";
        
        public const string POOL_FIGURE_REGEX = "(^ch=s0[1-2]/(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9][0-9]),(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9][0-9]),(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9][0-9])){1}$";
       
        public const int USER_PASSWORD_MINLEN = 5;
        public const int USER_PASSWORD_MAXLEN = 10;

        //**********************************************
        public bool ValidateUsername(string username)
        {
            // Validate length
            if (username == null || username.Length < USER_NAME_MINLEN || username.Length > USER_NAME_MAXLEN)
            {
                return false;
            }

            // Validate allowed characters
            foreach (char chr in username.ToLower())
            {
                if (USER_NAME_ALLOWED.IndexOf(chr) == -1)
                {
                    return false;
                }
            }

            // Name is a valid username
            return true;
        }

        //**********************************************
        public bool ValidateUserPassword(string username, string password)
        {
            // Not the same as username?
            if (username != password)
            {
                // Valid length?
                if (password.Length >= USER_PASSWORD_MINLEN && password.Length <= USER_PASSWORD_MAXLEN)
                {
                    return true;
                }
            }

            return false;
        }

        //**********************************************
        public bool ValidateUserFigure(string figure)
        {
            return true;
        }

        //**********************************************
        public bool ValidatePoolFigure(string figure)
        {
            Regex regex = new Regex(POOL_FIGURE_REGEX);
            Match match = regex.Match(figure);
            return match.Success;
        }
    }
}