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 System.Text.RegularExpressions;
using ButterfieldGardens.Web;

public partial class admin_index : System.Web.UI.Page
{
    public long iUserId = -1;

    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["USERID"] == null)
        {
            Response.Redirect("/admin/");
        }

        if (!Request.QueryString.Get("u").Equals(null))
        {
            iUserId = Convert.ToInt32(Request.QueryString.Get("u").ToString());
            if (!IsPostBack)
            {
                LoadUser();
            }
        }
        else
        {
            DisableForm();
        }

        Navigation objNav = new Navigation();
        header.InnerHtml = objNav.GetAdminHeader();
        adminNav.InnerHtml = objNav.GetAdminSubNavMenu("users");
        footer.InnerHtml = objNav.GetFooter(false, false);

        Page.MaintainScrollPositionOnPostBack = true;
    }

    public void LoadUser() 
    {
        cUserDAO objUserDAO = new cUserDAO();
        cUser objUser = new cUser();

        try 
        {
            objUser = objUserDAO.GetUser(iUserId);
            txtFirstName.Text = objUser.FirstName;
            txtLastName.Text = objUser.LastName;
            txtEmail.Text = objUser.EmailAddress;
        }
        catch (Exception errorLoadUser) 
        {
            DisplayErrorMessage(errorLoadUser);
        }

        objUser.Dispose();
        objUserDAO.Dispose();
    }

    protected void SaveUser(object sender, EventArgs e)
    {
        try
        {
            ValidateUserInput();
            EditUser();
            Response.Redirect("/admin/manage-users.aspx");
        }
        catch (Exception ex)
        {
            DisplayErrorMessage(ex);
        }
    }

    public void ValidateUserInput()
    {
        Boolean isValid = true;

        if (txtFirstName.Text.Equals(""))
        {
            isValid = false;
        }

        if (txtLastName.Text.Equals(""))
        {
            isValid = false;
        }

        if (txtEmail.Text.Equals(""))
        {
            isValid = false;
        }
        else
        {
            String strRegex = @"^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}" +
                              @"\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\" +
                              @".)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$";
            Regex re = new Regex(strRegex);
            if (!re.IsMatch(txtEmail.Text))
            {
                isValid = false;
            }
        }

        if (ddActive.SelectedValue.Equals(""))
        {
            isValid = false;
        }

        if (isValid.Equals(false))
        {
            throw (new Exception("All fields are required for this form.  Please try again."));
        }
    }

    public void EditUser()
    {
        cUserDAO objUserDAO = new cUserDAO();
        cUser objUser = new cUser();

        objUser.UserId = iUserId;
        objUser.FirstName = txtFirstName.Text;
        objUser.LastName = txtLastName.Text;
        objUser.EmailAddress = txtEmail.Text;
        objUser.IsActive = Convert.ToBoolean(ddActive.SelectedValue);

        try
        {
            objUserDAO.UpdateUser(objUser);
        }
        catch (Exception errorEditUser) 
        {
            DisplayErrorMessage(errorEditUser);
        }

        objUserDAO.Dispose();
        objUser.Dispose();
    }

    public void DisplayErrorMessage(Exception exError)
    {
        Literal lit = new Literal();
        lit.Text = exError.Message;
        lblNotify.Controls.Add(lit);
        lblNotify.CssClass = "error";
        lblNotify.Visible = true;
    }

    public void DisableForm()
    {
        userEditForm.Disabled = true;
    }
}