using System;
using System.Runtime.InteropServices;
using ManagedWinapi.Windows;

namespace Ninjacrab.PersistentWindows.Common.WinApiBridge
{
    public class User32
    {
        #region EnumDisplayMonitors
        public delegate bool MonitorEnumDelegate(IntPtr hMonitor, IntPtr hdcMonitor, ref RECT lprcMonitor, IntPtr dwData);
        [DllImport("user32.dll")]
        public static extern bool EnumDisplayMonitors(IntPtr hdc, IntPtr lprcClip, MonitorEnumDelegate lpfnEnum, IntPtr dwData);
        #endregion

        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        public static extern bool GetMonitorInfo(IntPtr hMonitor, ref MonitorInfo lpmi);

        [DllImport("user32.dll", SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool GetWindowPlacement(IntPtr hWnd, ref WindowPlacement lpwndpl);

        [DllImport("user32.dll", SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool GetWindowRect(IntPtr hWnd, ref RECT lpRect);

        [DllImport("user32.dll", SetLastError = true)]
        [return: MarshalAs(UnmanagedType.SysInt)]
        public static extern IntPtr GetDesktopWindow();

        [DllImport("user32.dll", SetLastError = true)]
        public static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId);

        [DllImport("user32.dll", SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool MoveWindow(IntPtr hWnd, int x, int y, int width, int height, bool repaint);

        [DllImport("user32.dll", SetLastError = true)]
        [return: MarshalAs(UnmanagedType.I4)]
        public static extern int MapWindowPoints(IntPtr from, IntPtr to, ref POINT points, uint num);

        [DllImport("user32.dll", SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool SetWindowPlacement(IntPtr hWnd, [In] ref WindowPlacement lpwndpl);

        [DllImport("user32.dll", SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool IsWindow(IntPtr hWnd);

        #region Hooks
        [DllImport("user32.dll")]
        public static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);        
        #endregion
    }
}