using System;
using System.Windows.Forms;

namespace LocalSynchronizationSetup
{
    static class Program
    {
        /// <summary>
        /// Der Haupteinstiegspunkt für die Anwendung.
        /// </summary>
        [STAThread]
        private static void Main(string[] args)
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);

            string str1 = "Usage: LocalSynchronizationSetup.exe <Startup Directory> <Computer Type> <Connection Type>\r\n\r\n" + "Example use: LocalSynchronizationSetup.exe\r\n" + "or:\t      LocalSynchronizationSetup.exe M:\\NX\r\n" + "or:\t      LocalSynchronizationSetup.exe M:\\NX -desktop\r\n" + "or:\t      LocalSynchronizationSetup.exe M:\\NX -laptop -internal\r\n" + "or:\t      LocalSynchronizationSetup.exe M:\\NX -laptop -external\r\n\r\n" + "\t      LocalSynchronizationSetup.exe -h shows this help dialog.\r\n\r\n" + "Parameters:\r\n" + "Startup Directory:\r\n" + "\tDirectory, which contains the folders NX_Environment and Modul_3D.\r\n" + "Computer Type:\r\n" + "\t-laptop: Use this parameter to define the computer type.\r\n" + "\t-desktop: Use this parameter to define the computer type. If -desktop is used, the parameter Connection Type is not necessary.\r\n" + "Connection Type:\r\n" + "\t-internal: Use this parameter, if the computer is connected to the ENGEL network.\r\n" + "\t-external: Use this parameter, if the computer is not connected to the ENGEL network\r\n" + "Don't use -internal and -external at the same time.\r\n" + "Don't use -desktop and -laptop at the same time.\r\n" + "If the parameter Connection Type or Computer Type is used, the program doesn't show a dialog.";
            string variable = "COMPUTER_TYPE";
            string str2 = "LAPTOP_INT";
            string str3 = "LAPTOP_EXT";
            string str4 = "DESKTOP";
            string strAppStartup = "";
            bool flag1 = false;
            bool flag2 = false;
            bool flag3 = false;
            bool flag4 = false;

            foreach (string str5 in args)
            {
                if (str5.Equals("-h", StringComparison.InvariantCultureIgnoreCase))
                {
                    int num = (int)MessageBox.Show(str1, "Usage of Local Synchronization Setup", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                }
                else if (str5.Equals("-laptop", StringComparison.InvariantCultureIgnoreCase))
                {
                    flag3 = true;
                    flag1 = true;
                }
                else if (str5.Equals("-desktop", StringComparison.InvariantCultureIgnoreCase))
                {
                    flag3 = false;
                    flag1 = true;
                }
                else if (str5.Equals("-internal", StringComparison.InvariantCultureIgnoreCase))
                {
                    flag4 = true;
                    flag2 = true;
                }
                else if (str5.Equals("-external", StringComparison.InvariantCultureIgnoreCase))
                {
                    flag4 = false;
                    flag2 = true;
                }
                else
                {
                    strAppStartup = str5;
                }
            }

            if (strAppStartup != null && strAppStartup != "" && (args.Length != 0 && args.Length != 1 || (flag1 || flag2)) && ((args.Length != 2 || !flag1 || (flag3 || flag2)) && (args.Length != 3 || !flag1 || !flag2)))
            {
                int num1 = (int)MessageBox.Show(str1, "Error", MessageBoxButtons.OK, MessageBoxIcon.Hand);
            }
            else if (flag1 && !flag3)
            {
                if (Environment.GetEnvironmentVariable(variable, EnvironmentVariableTarget.Machine) != null)
                {
                    return;
                }
                Environment.SetEnvironmentVariable(variable, str4, EnvironmentVariableTarget.Machine);
            }
            else if (flag2 && flag1)
            {
                if (flag3 && flag4)
                {
                    if (Environment.GetEnvironmentVariable(variable, EnvironmentVariableTarget.Machine) == null)
                    {
                        Environment.SetEnvironmentVariable(variable, str2, EnvironmentVariableTarget.Machine);
                    }
                    string summary = "";
                    new Synchronization(strAppStartup).CreateRemoveSynchronisation(true, false, false, false, false, false, true, false, false, out summary);
                }
                else
                {
                    if (!flag3 || flag4 || Environment.GetEnvironmentVariable(variable, EnvironmentVariableTarget.Machine) != null)
                    {
                        return;
                    }
                    Environment.SetEnvironmentVariable(variable, str3, EnvironmentVariableTarget.Machine);
                }
            }
            else
            {
                string str5 = Environment.GetEnvironmentVariable(variable, EnvironmentVariableTarget.Machine);

                if (str5 == null)
                {
                    Environment.SetEnvironmentVariable(variable, str2, EnvironmentVariableTarget.Machine);
                    str5 = str2;
                }
                Synchronization synchronization = new Synchronization(strAppStartup);
                if (str5.Equals(str2, StringComparison.InvariantCultureIgnoreCase) || str5.Equals(str3, StringComparison.InvariantCultureIgnoreCase))
                {
                    string summary = "";
                    synchronization.CreateRemoveSynchronisation(true, false, false, false, false, false, true, false, false, out summary);
                }
                synchronization.StrAppStartupContainsFolderNx(true, str1);

                Application.Run(args.Length != 1 ? (Form)new DlgLocalSynchronizationSetup() : (Form)new DlgLocalSynchronizationSetup(args[0]));
            }
        }
    }
}