using System;
using System.Collections.Generic;
using System.Threading;
using System.Runtime.InteropServices;
using System.Text;

public static class DisplayFusionFunction
{
    [DllImport("user32.dll")]
    static extern bool IsWindowVisible(IntPtr hWnd);

    [DllImport("user32.dll")]
    static extern int GetWindowText(IntPtr hWnd, StringBuilder text, int maxLength);

    [DllImport("user32.dll")]
    static extern int GetWindowTextLength(IntPtr hWnd);

    [DllImport("user32.dll")]
    static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);

    const int SW_MINIMIZE = 6;
    const int SW_RESTORE = 9;

    public static void Run(IntPtr windowHandle)
    {
        string[] targets = { "Notepad", "Google Chrome", "Calculator" };
        List<IntPtr> matchedWindows = new List<IntPtr>();

        foreach (IntPtr hWnd in BFS.Window.GetAllWindowHandles())
        {
            if (!IsWindowVisible(hWnd))
                continue;

            if (BFS.Window.IsMinimized(hWnd))
                continue;

            int length = GetWindowTextLength(hWnd);
            if (length == 0)
                continue;

            StringBuilder builder = new StringBuilder(length + 1);
            GetWindowText(hWnd, builder, builder.Capacity);
            string title = builder.ToString();

            foreach (string keyword in targets)
            {
                if (title.Contains(keyword))
                {
                    matchedWindows.Add(hWnd);
                    break;
                }
            }
        }

        // Minimize all matched windows
        foreach (IntPtr hWnd in matchedWindows)
        {
            ShowWindow(hWnd, SW_MINIMIZE);
        }

        Thread.Sleep(1000);

        // Restore all matched windows
        foreach (IntPtr hWnd in matchedWindows)
        {
            ShowWindow(hWnd, SW_RESTORE);
        }
    }
}