<%@ Page Language="C#" MasterPageFile="~/CommonMaster.master" Title="Product Details" %>
<%@ Import Namespace="System.Collections.Generic" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Xml" %>
<%@ Import Namespace="System.Xml.Serialization" %>
<%@ Import Namespace="ProductsProxy" %>

<script runat="server">
    void Page_Load(object sender, EventArgs e)
    {
        /* Synchronous Web Service Call approach
        ProductsProxy.ProductsService obj = new ProductsProxy.ProductsService();
        int productID = Convert.ToInt32(Request.QueryString["ProductID"]);                
        formProductDetails.DataSource = obj.GetProductDetails(productID);
        formProductDetails.DataBind();
        * /
         * 
        /* Asynchronous Web Service call through the XML file generated by the Windows Service */
        int categoryID = 0;
        int productID = Convert.ToInt32(Request.QueryString["ProductID"]);                
        List<Product> prodList = new List<Product>();
        string xmlFilePath = @"C:\Projects\Wrox\Products.xml";
        XmlSerializer serializer = new XmlSerializer(typeof(Product[]));
        TextReader reader = new StreamReader(xmlFilePath);
        Product[] prodArray = (Product[])serializer.Deserialize(reader);
        //Loop through the array and retrieve the products with the matching product id
        for (int i = 0; i < prodArray.Length; i++)
        {
            Product temp = prodArray[i];
            //Only add the matching products to the new collection
            if (temp.ProductID == productID)
            {
                prodList.Add(temp);
                categoryID = temp.CategoryID;
            }
        }
        reader.Close();
        formProductDetails.DataSource = prodList;
        formProductDetails.DataBind();        
        
        //Store the parameters related to the Request into local variables
        string browser = Request.UserAgent.ToString();
        string requestType = Request.RequestType.ToString();
        string authenticated = Request.IsAuthenticated.ToString();        
        //Call the CreateXMLDocument method to save the details related to reporting to the database
        CreateXMLDocument(browser, requestType, authenticated, categoryID, productID);       
    }

    public bool CreateXMLDocument(string browser, string requestType, string authenticated, int categoryID, int productID)
    {            
        try
        {            
            XmlWriterSettings settings = new XmlWriterSettings();
            settings.Indent = true;
            string fileName = System.Guid.NewGuid().ToString() + ".xml";
            XmlWriter writer = XmlWriter.Create(@"C:\Projects\Wrox\Drop\" + fileName, settings);
            writer.WriteStartDocument(false);
            writer.WriteComment("This file represents the information collected for reporting purposes");
            writer.WriteStartElement("ReportInfo", null);
            writer.WriteElementString("Browser", browser);
            writer.WriteElementString("RequestType", requestType);
            writer.WriteElementString("Authenticated", authenticated);
            writer.WriteElementString("CategoryID", categoryID.ToString());
            writer.WriteElementString("ProductID", productID.ToString());
            writer.WriteEndElement();
            //Write the XML to file and close the objWriter
            writer.Flush();
            writer.Close();            
        }
        catch (Exception ex)
        {
            Response.Write(ex.Message);
        }
        return true;
    }
    
</script>
<asp:Content ID="Content1" ContentPlaceHolderID="BodyContent" Runat="Server">
    <table width="95%" cellpadding="0" cellspacing="0" border="0">
	<tr>
		<td>
			<asp:FormView ID="formProductDetails" runat="server">
				<HeaderTemplate>
					<tr>
						<td height="40" align="center" colspan="2">
							<asp:Label runat="server" Font-Bold="true" ForeColor="Brown"
							 ID="heading">Product Details</asp:Label>
						</td>
					</tr>
				</HeaderTemplate>
				<ItemTemplate>
					<tr>
						<td height="60" width="30%" bgcolor="buttonface">							
							<asp:label Font-Bold=true Text="Model Number : " runat="server" ID="lblModelNumber" />							
							<br>
						</td>
						<td height="60" bgcolor="buttonface">
							<asp:label Text='<%#Eval("ModelNo")%>' runat="server" ID="lblModelNumberValue" />
							<br>
						</td>
					</tr>
					<tr>
						<td height="60" width="30%" bgcolor="buttonface">
						    <asp:label Font-Bold=true Text="Model Name : " runat="server" ID="lblModelName" />							
							<br>
						</td>
						<td height="60" bgcolor="buttonface">
							<asp:label Text='<%#Eval("ModelName")%>' runat="server" ID="lblModelNameValue" />
							<br>
						</td>
					</tr>
					<tr>
						<td height="60" width="30%" bgcolor="buttonface">						
							<asp:label Font-Bold=true Text="Description : " runat="server" ID="lblDescription" />							
							<br>
						</td>
						<td height="60" bgcolor="buttonface">
							<asp:label Text='<%#Eval("Description")%>' runat="server" ID="lblDescriptionValue" />
							<br>
						</td>
					</tr>
					<tr>
						<td height="60" width="30%" bgcolor="buttonface">
						    <asp:label Font-Bold=true Text="Price : " runat="server" ID="lblPrice" />							
							<br>
						</td>
						<td height="60" bgcolor=buttonface>
							<asp:label Text='<%#Eval("Price")%>' runat="server" ID="lblPriceValue" />
							<br>
						</td>
					</tr>
				</ItemTemplate>				
			</asp:FormView>
		</td>
	</tr>
</table>  
</asp:Content>