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_DropdownSelect : SelectorControl
{
    // variables to be displayed
    public string ProductName;
    public string Description;

    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; }
    }

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

        // bind customizations
        ccCustomizations.SelectorID = SelectorData.SelectorID;
        ccCustomizations.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);

        if(!ignoreInventory)
        {
            foreach (DataRow dr in dt.Rows)
            {
                
                if ((int)dr["Inventory"] < -1 || (int)dr["Inventory"] == 0)
                {
                    dr["Name"] += " (Out of Stock)";
                    dr["ItemID"] = 0;
                }
            }
        }

        ddlItem.DataSource = dt;
        ddlItem.DataBind();

        if (dt.Rows.Count > 0)
            BindVolumeTable();
    }

    private void BindVolumeTable()
    {
        int ItemID = Int32.Parse(ddlItem.SelectedValue);


        DataTable dt = Database.VolumePricingTableItem_GetByItemID(ItemID);

        if (dt.Rows.Count > 0)
        {
            MinimumQuantity = Math.Max(0, (int)dt.Rows[0]["Quantity"]);
            txtQuantity.Text = MinimumQuantity.ToString();
            

            VolumePricing1.Visible = true;
            VolumePricing1.DataSource = dt;
            VolumePricing1.BindData();
        }
        else
            VolumePricing1.Visible = false;
    }

    protected void btnBuy_Click(object sender, ImageClickEventArgs e)
    {
        int ItemID = Int32.Parse(ddlItem.SelectedValue);

        if (ItemID > 0)
        {
            int Quantity = Int32.Parse(txtQuantity.Text);
            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)
            {
                string CustomizationText = ccCustomizations.GetCustomizationText();
                decimal CustomizationCost = ccCustomizations.GetCustomizationCost();

                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)
                {
                    string CustomizationText = ccCustomizations.GetCustomizationText();
                    decimal CustomizationCost = ccCustomizations.GetCustomizationCost();

                    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);
                }
            }
        }
    }

    protected void ddlItem_SelectedIndexChanged(object sender, EventArgs e)
    {
        BindVolumeTable();
    }
}