using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Pracctice.DMS.BLL;
using Pracctice.DMS.Model;
using Pracctice.Shared.Security;
using Pracctice.DMS.Common;


namespace Pracctice.DMS.Web
{
    public partial class Login : BasePage
    {

        protected void Page_Load(object sender, EventArgs e)
        {
            Page.SetFocus(this.txtName);
                
			if (!Page.IsPostBack)
			{
                string version = System.Configuration.ConfigurationManager.AppSettings["Version"];
                if (version != null)
                {
                    this.lblVersion.Text = version;
                }
			}
        }

        protected void btnLogin_Click(object sender, EventArgs e)
        {
            // cand folosesti controale de validate TREBUIE sa verifici proprietatea Page.IsValid (validare server)
            if (Page.IsValid)
            {
                string userName = this.txtName.Text.Trim();
                string password = this.txtPassword.Text.Trim();

                Pracctice.DMS.BLL.User user = new Pracctice.DMS.BLL.User();

				new Pracctice.DMS.Web.SettingsCacheProxy().Invalidate();
                UserInfo userInfo = new Pracctice.DMS.Web.UserCacheProxy().GetUserByUserName(userName); 
                
                // check user exists
				if (userInfo != null)
				{
					// check user is active 
					if (userInfo.Activ)
					{
						// validate user password
						string passwordHash = Password.CreatePasswordHash(password, userInfo.PasswordSalt);
						// use string.Compare is faster
						if (string.Compare(userInfo.PasswordHash, passwordHash) == 0)
						{
                            // write audit entry
                            base.AuditWrite(userInfo.UserId, AuditAction.Login);

                            // create authentication ticket and redirect
                            FormsAuthentication.RedirectFromLoginPage(this.txtName.Text.Trim(), false);
						}
						else
						{
							// invalid password
                            DisplayMessage(Resources.Resource.LoginErrorAuthenticationFailed_LoginPage);
     					}
					}
					else
					{
						// account inactive												  
                        DisplayMessage(Resources.Resource.LoginErrorInactiveAccount_LoginPage);
     				}
				}
				else
				{
					// username doesn't exist	 
                    DisplayMessage(Resources.Resource.LoginErrorAuthenticationFailed_LoginPage);
     			}
            }
        }
    }
}