using System.Xml;
using VEPROMS.CSLA.Library;

namespace Volian.Print.Library
{
	public class CPSGen
	{
        public vlnParagraph MyVlnParagraph { get; set; }
        public CPSGen(vlnParagraph myParagraph)
		{
			MyVlnParagraph = myParagraph;
		}
		public void Generate(string fileName)
		{
			XmlDocument xd = new XmlDocument();
			XmlElement parent =  xd.AppendChild(xd.CreateElement("Items")) as XmlElement;
			Generate(0, 0,parent, MyVlnParagraph);
			xd.Save(fileName);
		}
		public void Generate(int level,int fromType,XmlElement parent, vlnParagraph para)
		{
			ItemInfo itm = para.MyItemInfo;
			XmlElement xe = parent.AppendChild(parent.OwnerDocument.CreateElement("Item")) as XmlElement;
			AddAttribute(xe, "Level", level);
			AddAttribute(xe, "FromType", fromType);
			AddAttribute(xe, "Ordinal", itm.Ordinal);
			AddAttribute(xe, "ParentID", (itm.ActiveParent as ItemInfo).ItemID);
			AddAttribute(xe, "ItemID", itm.ItemID);
			AddAttribute(xe, "PreviousID", itm.PreviousID);
			AddAttribute(xe, "ContentID", itm.ContentID);
			AddAttribute(xe, "DTS", itm.MyContent.DTS);
			AddAttribute(xe, "UserID", itm.MyContent.UserID);
			AddAttribute(xe, "Number", itm.MyContent.Number);
			AddAttribute(xe, "Text", itm.MyContent.Text);
			AddAttribute(xe, "Type", itm.MyContent.Type);
			AddAttribute(xe, "FormatID", itm.MyContent.FormatID);
			AddAttribute(xe, "Config", itm.MyContent.Config);
			AddAttribute(xe, "Rtf", para.Rtf);
			AddChildren(level,0,  parent, "ChildrenAbove", para.ChildrenAbove);
			AddChildren(level,0,  parent,  "ChildrenLeft", para.ChildrenLeft);
			AddChildren(level,0,  parent,  "ChildrenRight", para.ChildrenRight);
			AddChildren(level,0,  parent,  "ChildrenBelow", para.ChildrenBelow);
		}
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Style", "IDE0060:Remove unused parameter", Justification = "Keeping fromType and name for Debugging")]
        private void AddChildren(int level, int fromType, XmlElement parent, string name, vlnParagraphs children)
		{
			if (children == null || children.Count == 0) return;
			foreach(vlnParagraph child in children)
			{
				Generate(level+1,0,parent,child);
			}
		}
		private void AddAttribute(XmlElement xe, string attr, object val)
		{
			if (val == null) return;
			XmlAttribute xa = xe.OwnerDocument.CreateAttribute(attr);
			xa.Value = val.ToString();
			xe.Attributes.Append(xa);
		}
	}
}