// Window.cs
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX - FileCopyrightText: 2025 Catswords OSS and WelsonJS Contributors
// https://github.com/gnh1201/welsonjs
// 
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;

namespace WelsonJS
{
    public class Window
    {
        [DllImport("user32.dll")]
        public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

        [DllImport("user32.dll")]
        public static extern IntPtr FindWindowEx(IntPtr hWnd1, IntPtr hWnd2, string lpsz1, string lpsz2);

        [DllImport("user32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
        public static extern bool PostMessage(IntPtr hWnd, uint msg, int wParam, IntPtr lParam);

        [DllImport("user32.dll")]
        public static extern int SendMessage(IntPtr hWnd, uint msg, int wParam, IntPtr lParam);

        public enum Message : int
        {
            WM_MOUSEMOVE = 0x200,
            WM_LBUTTONDOWN = 0x201, //Left mousebutton down
            WM_LBUTTONUP = 0x202,  //Left mousebutton up
            WM_LBUTTONDBLCLK = 0x203, //Left mousebutton doubleclick
            WM_RBUTTONDOWN = 0x204, //Right mousebutton down
            WM_RBUTTONUP = 0x205,   //Right mousebutton up
            WM_RBUTTONDBLCLK = 0x206, //Right mousebutton doubleclick
            WM_KEYDOWN = 0x100,  //Key down
            WM_KEYUP = 0x101,   //Key up
            WM_SYSKEYDOWN = 0x104,
            WM_SYSKEYUP = 0x105,
            WM_CHAR = 0x102,     //char
            WM_COMMAND = 0x111
        }

        public enum VirtualKey : int
        {
            VK_RETURN = 0x0D,
            VK_F1 = 0x70,
            VK_F2 = 0x71,
            VK_F3 = 0x72,
            VK_F4 = 0x73,
            VK_F5 = 0x74,
            VK_F6 = 0x75,
            VK_F7 = 0x76,
            VK_F8 = 0x77,
            VK_F9 = 0x78,
            VK_F10 = 0x79,
            VK_F11 = 0x7A,
            VK_F12 = 0x7B
        }

        public static IntPtr GetWindowByTitleContains(string title)
        {
            IntPtr hWnd = IntPtr.Zero;

            foreach (Process proc in Process.GetProcesses())
            {
                if (proc.MainWindowTitle.Contains(title))
                {
                    hWnd = proc.MainWindowHandle;
                    break;
                }
            }

            return hWnd;
        }
    }
}