using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.IO;

namespace ImageSorter
{
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main(string[] args)
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Form1 form = new Form1();

            form.Show();

            string directory = null;
            for (int i = 0; i < args.Length; ++i)
            {
                if (args[i].StartsWith("-"))
                {
                    throw new ArgumentException("Bad arg " + args[i]);
                }
                else
                {
                    if (directory == null)
                    {
                        directory = args[i];
                    }
                    else
                    {
                        throw new ArgumentException("Unexpected argument " + args[i] + " -- you can only give one directory");
                    }
                }
            }

            if (directory == null)
            {
                // pop up a box for the user to choose
                OpenFileDialog dlg = new OpenFileDialog();
                dlg.InitialDirectory = @"C:\pics";
                dlg.Title = "Select a file, the WHOLE DIRECTORY will be used";
                if (dlg.ShowDialog() != DialogResult.OK)
                {
                    return;
                }
                directory = Path.GetDirectoryName(dlg.FileName);
            }

            form.LoadFromDirectory(directory);

            Application.Run(form);
        }
    }
}