using NativeHelpers;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace SetLnkApp
{
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            string[] args = Environment.GetCommandLineArgs();

            if (args.Length < 2 || !File.Exists(args[1]) || Path.GetExtension(args[1]).ToLower() != ".lnk")
            {
                Usage();
                return;
            }

            ShellLink shortcut = null;
            try
            {
                shortcut = new ShellLink(args[1]);
            }
            catch (Exception)
            {
                Usage();
                return;
            }

            if (shortcut == null)
            {
                Usage();
                return;
            }

            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new MainForm(shortcut));
        }

        private static void Usage()
        {
            MessageBox.Show("Please drag a .lnk file onto SetLnkApp.exe");
        }
    }
}