using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

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

	protected void Page_Load(object sender, System.EventArgs e)
	{
		if(!Page.IsPostBack)
		{
			PopulateDetail();
		} 
	}

	private void PopulateDetail()
	{
		if (Util.DefaultSystemSetting.Flag_SellingPrice) eCateLib.UpdateOldCartItemPrice();

		ShoppingCartProxy scp	= Util.ShoppingCartProxy;
		dgCart.DataSource		= scp.GetAll(Util.GetShoppingCartId);
		dgCart.DataBind();
		
		if(dgCart.Items.Count < 1)
		{
			tbFooter.Visible	= false;
			btRFQ.Visible		= false;
			btUpdate.Visible	 = false;
			lbStatus.Text = "There is no item in your cart.";				
		} 
		else 
		{				
			lbTotalAmt.Text = String.Format("{0:c}",scp.GetTotalAmt(Util.GetShoppingCartId));
		}			
	}

	private bool UpdateCart()
	{
		int qty;
		Decimal UnitPrice = 0;

		for (int i=0; i<dgCart.Items.Count; i++) 
		{
			//always plase the product id in the last colume and use items.count -1 to determine the colume no.
			int ProdID = Int32.Parse(dgCart.Items[i].Cells[dgCart.Items[i].Cells.Count - 1].Text);		
			if (((System.Web.UI.WebControls.CheckBox)dgCart.Items[i].FindControl("chkRemove")).Checked)
			{
				Util.TmpString = DBStatus.DBMsg(Util.ShoppingCartProxy.DelItem(Util.GetShoppingCartId,ProdID));
			}
			else
			{
				TextBox txtPrice = (TextBox)dgCart.Items[i].FindControl("txtPrice");
				TextBox txtQty = (TextBox)dgCart.Items[i].FindControl("txtQuantity");
				
				try{
					UnitPrice = Decimal.Parse(txtPrice.Text);
					qty = Int32.Parse(txtQty.Text);
					if ( UnitPrice <= 0 || qty <= 0 )
						return false;													
				}
				catch
				{					
					return false;
				}					
				Util.TmpString = DBStatus.DBMsg(Util.ShoppingCartProxy.UpdateItem(Util.GetShoppingCartId,ProdID,qty, UnitPrice, true));
			}
		}	
		return true;
	}

	protected void btUpdate_Click(object sender, System.EventArgs e)
	{
		if ( UpdateCart() == true)
		{
			PopulateDetail();
			lbStatus.Text = Util.TmpString;		
		}
	}

	protected void btRFQ_Click(object sender, System.EventArgs e)
	{
		if ( UpdateCart() == true)
		{
			Util.TmpString="";
			Response.Redirect("~/cart/sendpo.aspx");			
		}
	}	

	protected void btFBL_Click(object sender, System.EventArgs e)
	{
		if (!eCateLib.MemberLoginStatus()) Response.Redirect("~/general/login.aspx");

		try
		{
			if ( UpdateCart() == true)
			{

				FBLProxy fp = new FBLProxy();

				for(int i=0; i < dgCart.Items.Count; i++)
				{				
					fp.AddItem(Util.Member.MemberID,Int32.Parse(dgCart.Items[i].Cells[dgCart.Items[i].Cells.Count -1].Text),Int32.Parse(((TextBox)dgCart.Items[i].FindControl("txtQuantity")).Text));
				}		

				lbStatus.Text = "Item added to your frequent buying list.";
			}
		}
		catch
		{
		}		
	}
}