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;


public partial class Controls_Selectors_List : SelectorControl
{

    private int MinimumQuantity
    {
        get { return (ViewState["MinimumQuantity"] == null ? 1 : (int)ViewState["MinimumQuantity"]); }
        set { ViewState["MinimumQuantity"] = value; }
    }

    private bool ignoreInventory
    {
        get { return Configuration.Get("IgnoreInventory") == "Yes" ? true : false; }
    }


    // variables to be displayed
    public string ProductName;
    public string Description;

    protected void Page_Load(object sender, EventArgs e)
    {

    }

    public override void BindData()
    {
        // bind image view
        ImageView1.SelectorID = SelectorData.SelectorID;
        ImageView1.BindData();

        // bind customizations
        SelectorCustomization1.SelectorID = SelectorData.SelectorID;
        SelectorCustomization1.BindData();

        // bind related products
        RelatedProducts1.SelectorID = SelectorData.SelectorID;
        RelatedProducts1.BindData();

        litProductName.Text = SelectorData.Name;
        if (SelectorData.SKU.Length > 0)
            litSKU.Text = SelectorData.SKU;

        ProductName = SelectorData.Name;
        Description = SelectorData.Description;

        DataTable dt = Database.Items_GetBySelectorIDForDetailPage(SelectorData.SelectorID);
        gvItems.DataSource = dt;
        gvItems.DataBind();
    }

    protected void gvItems_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        int ItemID = Int32.Parse(e.CommandArgument.ToString());
        GridViewRow gvr = (GridViewRow)((Control)e.CommandSource).Parent.Parent;
        TextBox txtQuantity = (TextBox)gvr.FindControl("txtQuantity");
        int Quantity = Int32.Parse(txtQuantity.Text);

        string CustomizationText = SelectorCustomization1.GetCustomizationText();
        decimal CustomizationCost = SelectorCustomization1.GetCustomizationCost();

        switch (e.CommandName)
        {
            case "buy":
                int Max = Int32.Parse(Database.Items_Get(ItemID)["Inventory"].ToString());

                // we need to check items in the cart with this ItemID
                foreach (ShoppingCartItem sci2 in ShoppingCart)
                {
                    if (sci2.ItemID == ItemID && Max != -1)
                        Max -= sci2.Quantity;
                }

                if (ignoreInventory)
                {
                    AddItemToCart(ItemID, Quantity, CustomizationText, CustomizationCost);
                    Response.Redirect("~/Cart.aspx");
                }
                else
                {
                    if (Max == 0)
                    {
                        Page.ClientScript.RegisterStartupScript(typeof(string), "error", "alert('You have already added all available units to your cart.');", true);
                    }
                    else if (Quantity > Max && Max != -1)
                    {
                        Page.ClientScript.RegisterStartupScript(typeof(string), "error", "alert('You can only add " + Max.ToString() + " unit(s) to your cart.  Please decrease your quantity this amount or less.');", true);
                    }
                    else if (Quantity >= MinimumQuantity)
                    {
                        AddItemToCart(ItemID, Quantity, CustomizationText, CustomizationCost);
                        Response.Redirect("~/Cart.aspx");
                    }
                    else
                    {
                        Page.ClientScript.RegisterStartupScript(typeof(string), "error", "alert('The minimum order for this item is " + MinimumQuantity.ToString() + " unit(s).  Please increase your quantity to at least this amount.');", true);
                    }
                }
                break;
            default:
                break;
        }
    }

    protected void gvItems_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            Literal li = (Literal)e.Row.Cells[0].Controls[0];
            DataRowView drv = (DataRowView)e.Row.DataItem;

            li.Text = (string)drv["Name"];

            if (!ignoreInventory)
            {
                // 1. set "out of stock"
                if ((int)drv["Inventory"] < -1 || (int)drv["Inventory"] == 0)
                {
                    e.Row.Cells[3].Controls.Clear();
                    e.Row.Cells[3].Text = "Out of Stock";
                }
            }

            // 2. set "Volume" 
            if (drv["VolumePricingTableID"] != DBNull.Value)
                e.Row.Cells[1].Text = "Volume";


        }
    }
}