using System;
using System.Drawing;
using System.Collections.Generic;

public static class DisplayFusionFunction
{
	public static void Run(IntPtr windowHandle)
	{
        // Set the amount of time (in milliseconds) between loops (lowering this time will increase CPU usage)
        uint waitTime = 1000;
        
        // Script setup stuff
        var previousList = new List<IntPtr>();
        var currentList = new List<IntPtr>();

		while (true) // Loop forever (exit the script via its icon in the system tray)
		{
            // Clear the current list of windows
            currentList.Clear();
            BFS.General.LogText("MoveOutlookReminderWindows: Current list cleared: " + currentList.Count.ToString());
            
            // Add the current Outlook or Word window handles to a list
            currentList = GetOpenOutlookReminderWindows();
            
            // Compare the list from the previous run to the list from the current run and move any new ones
            foreach (IntPtr window in currentList)
            {
                if (!(previousList.Contains(window)))
                {
                    // Set the window to always on top
					BFS.Window.SetAlwaysOnTop(window, true);
					
					// Get the mouse position
					Point mousePosition = new Point(BFS.Input.GetMousePositionX(), BFS.Input.GetMousePositionY());

					// Get the window size and location
					Rectangle windowBounds = BFS.Window.GetBounds(window);

					// Get an array of the bounds for all monitors ignoring splits
					Rectangle[] monitorBoundsAll = BFS.Monitor.GetMonitorBoundsNoSplits();

					// Loop through the array of bounds and move the window to the centre of whichever one the mouse cursor is on
					foreach (Rectangle monitorBounds in monitorBoundsAll)
					{
						if (monitorBounds.Contains(mousePosition))
						{
							BFS.Window.SetLocation(window, monitorBounds.X + ((monitorBounds.Width - windowBounds.Width) / 2), monitorBounds.Y + ((monitorBounds.Height - windowBounds.Height) / 2));
						}
					}
					
					// Log the action
                    BFS.General.LogText("MoveOutlookReminderWindows: Reminder window brought to top and centred: " + window.ToString() + " " + BFS.Window.GetText(window));
                    previousList.Add(window);
                    BFS.General.LogText("MoveOutlookReminderWindows: Window added to previous list: " + window.ToString() + " " + previousList.Count.ToString());
                }
			
            }
           
            // If the previous list has windows that aren't in the new list, mark them for deletion
            var closedWindows = new List<IntPtr>();
            foreach (IntPtr window in previousList)
            {
                if (!(currentList.Contains(window)))
                {
                    // Re-check the current list for Outlook windows that were quickly removed/re-added
                    var refreshedList = new List<IntPtr>();
                    refreshedList = GetOpenOutlookReminderWindows();
                    if (!(refreshedList.Contains(window)))
                    {                    
                        closedWindows.Add(window);
                        BFS.General.LogText("MoveOutlookReminderWindows: Window marked for deletion: " + window.ToString());
                    }
                }
            }
            
            // Delete the closed windows from the previous list
            foreach (IntPtr window in closedWindows)
            {
                previousList.Remove(window);
                BFS.General.LogText("MoveOutlookReminderWindows: Window deleted: " + window.ToString()  + " " + previousList.Count.ToString());
            }
            
            // Wait before looping to prevent the CPU from running up
            BFS.General.ThreadWait(waitTime);
		}
	}
	
	private static List<IntPtr> GetOpenOutlookReminderWindows()
	{
        var windowList = new List<IntPtr>();
        foreach (IntPtr window in BFS.Window.GetVisibleAndMinimizedWindowHandles())
        {
            if (BFS.Application.GetMainFileByWindow(window).ToLower().Contains("outlook.exe") && BFS.Window.GetText(window).Contains(" " + "Reminder(s)"))
            {
                windowList.Add(window);
                BFS.General.LogText("MoveOutlookReminderWindows: Window added to current list: " + window.ToString() + " " + windowList.Count.ToString());
            }
        }
        return windowList;
	}
}