//#define DEBUG
using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace DBConfiguration
{
    static class DBConfig
    {
        [DllImport("kernel32.dll")]
        static extern IntPtr GetConsoleWindow();

        [DllImport("user32.dll")]
        static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);

        const int SW_HIDE = 0;
        const int SW_SHOW = 5;

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main(string[] args)
        {
            var targetDir = string.Empty;
            var productVersion = new Version();
            var noUI = string.Empty;
            var architectureVersion = string.Empty;
            var sourcePath = string.Empty;
            var destPath = string.Empty;

            var handle = GetConsoleWindow();
            var tsrAirGo = false;
#if DEBUG
            //To enable this section, check the "Define DEBUG constant" checkbox in the Build
            //step of the Properties of the DBConfiguration project.
            //this should be a real version installed on your system.
            //it is what we are simulating migrating *to*, so install it with the migration check off
            //if you are testing *from*, make sure to have a previous and in-the-registry copy as well
            var _majorMinorVersion = "4.4.309";
            var version = _majorMinorVersion + ".52976";
            targetDir = "D:\\DTS\\DTS.Suite\\" + _majorMinorVersion + "\\DataPRO";
            productVersion = new Version(version);

            //Use this to test the TSR AIR Go installer
            tsrAirGo = true;
#else
            if (args.Length == 0)
            {
                //Don't display the command prompt window while processing (but see below)
                ShowWindow(handle, SW_HIDE);
                noUI = "STANDALONE";
            }
            else if (args.Length == 2)
            {
                //Display the command prompt window during and after processing.
                ShowWindow(handle, SW_SHOW);
                noUI = "STANDALONECMD";
                sourcePath = args[0];
                destPath = args[1];
            }
            else
            {
                //Don't display the command prompt window while processing from installer.
                ShowWindow(handle, SW_HIDE);
                for (var i = 0; i < args.Length; i++)
                {
                    switch (i)
                    {
                        case 0:
                            targetDir = args[i];
                            break;
                        case 1:
                            productVersion = new Version(args[i]);
                            break;
                        case 2:
                            noUI = args[i];
                            break;
                        case 3:
                            if (bool.TryParse(args[i], out var b))
                            {
                                tsrAirGo = b;
                            }
                            break;
                    }
                }
            }
#endif
            if (noUI != "TRUE")
            {
                if (tsrAirGo)
                {
                    var commonUtilities = new CommonUtilities();
                    commonUtilities.InitializeDbToTSRAIR(targetDir);
                }
                else
                {
                    Application.EnableVisualStyles();
                    Application.SetCompatibleTextRenderingDefault(false);
                    Application.Run(new DBTypeChoice(targetDir, productVersion, noUI, sourcePath, destPath));

                    if (args.Length == 0)
                    {
                        //If run in a command prompt window, don't close (the window will
                        //flash briefly if run by double-clicking DBConfiguration.exe).
                        ShowWindow(handle, SW_SHOW);
                    }
                }
            }
        }
    }
}