using System;
using System.Web;
using System.Collections.Generic;

// The 'text' parameter will contain the text from the:
//   - Current Clipboard when run by HotKey
//   - History Item when run from the History Menu
// The returned string will be:
//   - Placed directly on the Clipboard when run as a Macro
//   - Ignored by ClipboardFusion if it is 'null'
//   - Passed along to the next action in a Trigger (null changed to an empty string)
public static class ClipboardFusionHelper
{
	public static string ProcessText(string text)
	{
        // Get the highlighted text
        text = BFS.Clipboard.CopyText();
	
        // Search the Clipboard History for a URL
		for(int i = 0; i < BFS.ClipboardFusion.GetHistoryItemCount(); i++)
		{
            // If there's no text, it can't be a url
            if(!BFS.ClipboardFusion.GetHistoryIndexContainsText(i))
                continue;
                
            // See if Uri.TryCreate can succeed
            string history = BFS.ClipboardFusion.GetHistoryText(i);
            Uri result;
            if((history.IndexOf("http") != 0) || (!Uri.TryCreate(history, UriKind.Absolute, out result)))
                continue;
                              
            // Paste what we found
            BFS.Clipboard.PasteText("<a href=\"" + history + "\">" + HttpUtility.HtmlEncode(text) + "</a>");
            break;
		}
		
		
		return null;
	}
}