using System;
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)
	{
		// Copy the selected text
		text = BFS.Clipboard.CopyText();
		
		// Check if Notepad is running
		bool isRunning = BFS.Application.IsAppRunningByFile("*Notepad.exe");
		
		// If it's running, focus it, if not, launch it
		if (isRunning)
		{
            // Get a list of all open Notepad windows
            var allNotepadWindowsList = new List<String>();
            foreach (IntPtr window in BFS.Window.GetVisibleAndMinimizedWindowHandles())
            {
               string windowText = BFS.Window.GetText(window);
               if (windowText.EndsWith("Notepad"))
               {
                    allNotepadWindowsList.Add(windowText);
               }
            }
            
            // If there's more than one, prompt to select which one
            if (allNotepadWindowsList.Count > 1)
            {
                allNotepadWindowsList.Add("-- New Notepad Window --");
                string[] allNotepadWindowsArray = allNotepadWindowsList.ToArray();
                string selectedWindowTitle = BFS.Dialog.GetUserInputListViewWithFilter("Select the Notepad window", allNotepadWindowsArray);
                if (selectedWindowTitle == "-- New Notepad Window --")
                {
                    BFS.Application.Start("notepad.exe", "");
                    BFS.General.ThreadWait(1000);
                }
                else
                {
                    IntPtr selectedWindow = BFS.Window.GetWindowByTextExact(selectedWindowTitle);
                    BFS.Window.Focus(selectedWindow);
                }
            }
            // Otherwise, just focus the only one that's open
            else
            {
                IntPtr selectedWindow = BFS.Window.GetWindowByTextExact(allNotepadWindowsList[0]);
                BFS.Window.Focus(selectedWindow);
            }
		}
		// Otherwise, launch it
		else
		{
            uint appID = BFS.Application.Start("notepad.exe", "");
            IntPtr newWindow = BFS.Application.GetMainWindowByAppID(appID);
		}
		
		// Paste the text
		BFS.Input.SendKeys("^({VK_35})");
		BFS.Clipboard.PasteText(Environment.NewLine + text + Environment.NewLine);
		
		return text;
	}
}