using System;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Windows.Forms;

namespace BetaVersionLauncher
{
    /// <summary>
    /// Allows to auto update an application before launching it.
    /// 
    /// Works by keeping a latest copy, updated with a "Robocopy" command.
    /// 
    /// Useful when the developper wants to do round trip with users more often than the version is done.
    /// </summary>
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main(string[] args)
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);

            try
            {
                CopyAndLaunch(args);
            }
            catch (Exception ex)
            {
                MessageBox.Show("Could not launch application. Details : \n" + ex.Message);
                throw;
            }
        }

        private static void CopyAndLaunch(string[] args)
        {
            string sourceDirectory = Path.GetDirectoryName(typeof(Program).Assembly.Location);

            foreach (var applicationDirectory in Directory.GetDirectories(sourceDirectory))
            {
                string directoryName = Path.GetFileName(applicationDirectory);
                string targetDirectory = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles), @"JustDance\Beta", directoryName);
                RoboCopy.ReplicateDirectory(applicationDirectory, targetDirectory);

                var processInfo = new ProcessStartInfo(Path.Combine(targetDirectory, directoryName + ".exe"))
                                      {
                                          WorkingDirectory = targetDirectory,
                                          Arguments = string.Join(" ", args.Select(Quote))
                                      };
                Process.Start(processInfo);
                break;
            }
        }

        private static string Quote(string argument)
        {
            return string.Format("\"" + argument + "\"");
        }
    }
}