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 ButterfieldGardens.Web;

public partial class admin_index : System.Web.UI.Page
{

    public long iInventoryId = -1;

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

        if (!Request.QueryString.Get("i").Equals(null))
        {
            iInventoryId = Convert.ToInt32(Request.QueryString.Get("i").ToString());
            if (!IsPostBack)
            {
                Load_Inventory();
            }
        }
        else
        {
            DisableForm();
        }
        
        Navigation objNav = new Navigation();
        header.InnerHtml = objNav.GetAdminHeader();
        adminNav.InnerHtml = objNav.GetAdminSubNavMenu("inventory");
        footer.InnerHtml = objNav.GetFooter(false, false);

        Page.MaintainScrollPositionOnPostBack = true;
    }

    public void Load_Inventory() 
    {
        cInventoryDAO objInvDAO = new cInventoryDAO();
        cInventory objInv = objInvDAO.GetInventory(Convert.ToString(iInventoryId));

        if (objInv.InventoryId.Equals(-1)) 
        {
            DisableForm();
            return;
        }

        txtTitle.Text = objInv.InventoryTitle;
        txtDescription.Text = objInv.InventoryDescription;
        txtPrice.Text = objInv.Price;
        objInv.Dispose();
        objInvDAO.Dispose();
        
    }

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

    public void ValidateUserInput()
    {
        Boolean isValid = true;

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

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

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

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

    public void EditProperty()
    {
        cInventoryDAO objInvDAO = new cInventoryDAO();
        cInventory objInv = new cInventory();
        objInv.InventoryId = iInventoryId;
        objInv.InventoryTitle = txtTitle.Text;
        objInv.InventoryDescription = txtDescription.Text;
        objInv.Price = txtPrice.Text;
        objInvDAO.UpdateInventory(objInv);

    }

    public void DisplaySuccessMessage()
    {
        Literal lit = new Literal();
        lit.Text = "The property was successfully edited.  To add another property, complete the form below.";
        lblNotify.Controls.Add(lit);
        lblNotify.CssClass = "success";
        lblNotify.Visible = true;

        txtTitle.Text = "";
        txtDescription.Text = "";
        txtPrice.Text = "";
    }

    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()
    {
        inventoryEditForm.Disabled = true;
    }
}