using CaeGlobals;
using CommandLine;
using System;
using System.Diagnostics;
using System.IO;
using System.Runtime.InteropServices;
using System.Threading;
using System.Windows.Forms;
// ReSharper disable ArrangeTypeMemberModifiers
// ReSharper disable UnusedMember.Local

namespace CPSO
{
    static class Program
    {
        [DllImport("kernel32.dll")]
        private static extern IntPtr GetConsoleWindow();
        //
        [DllImport("kernel32.dll")]
        static extern bool AttachConsole(int dwProcessId);
        private const int ATTACH_PARENT_PROCESS = -1;
        //
        [DllImport("kernel32.dll")]
        static extern bool FreeConsole();
        [DllImport("user32.dll")]
        private static extern bool SetProcessDPIAware();
        //
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main(string[] args)
        {
            // DPI
            // if (Environment.OSVersion.Version.Major >= 6)  SetProcessDPIAware();
            Console.WriteLine("");
           
            // 设置语言相关
            SetCultureAndLanguage();
            
            // Parse
            if (args != null && args.Length == 1 && File.Exists(args[0]))
            {
                args = new[] { "-f", args[0] };
            }

            Debug.Assert(args != null, nameof(args) + " != null");

            for (int i = 0; i < args.Length; i++)
            {
                if (args[i] == "-r0" || args[i] == "-r1" || args[i] == "-r2" || args[i] == "-r3")
                {
                    args[i] = "-" + args[i];
                }
            }

            var parserResult = Parser.Default.ParseArguments<CommandLineOptions>(args);

            // 主循环
            if (parserResult.Value != null)
            {
                Run(parserResult.Value);
            }

            // a process remains running afer application exits
            Process.GetCurrentProcess().Kill();
        }
        private static void SetCultureAndLanguage()
        {
            System.Globalization.CultureInfo ci =
                (System.Globalization.CultureInfo)System.Globalization.CultureInfo.InvariantCulture.Clone();
            ci.NumberFormat.NumberGroupSeparator = "";
            
            // 设置Culture
            Thread.CurrentThread.CurrentCulture = ci;           // This thread
            System.Globalization.CultureInfo.DefaultThreadCurrentCulture = ci;   // All feature threads

            // 设置UI Culture
            Thread.CurrentThread.CurrentUICulture = ci;
            System.Globalization.CultureInfo.DefaultThreadCurrentUICulture = ci;

            // Set MessageBoxButtons to English defaults
            /*
            MessageBoxManager.OK = "OK";
            MessageBoxManager.Cancel = "Cancel";
            MessageBoxManager.Abort = "Abort";
            MessageBoxManager.Retry = "Retry";
            MessageBoxManager.Ignore = "Ignore";
            MessageBoxManager.Yes = "Yes";
            MessageBoxManager.No = "No";
            */
            // 本地化消息框
            MessageBoxManager.OK = "确定";
            MessageBoxManager.Cancel = "取消";
            MessageBoxManager.Abort = "中止";
            MessageBoxManager.Retry = "重试";
            MessageBoxManager.Ignore = "忽略";
            MessageBoxManager.Yes = "是";
            MessageBoxManager.No = "否";

            MessageBoxManager.Register();
        }

        private static void Run(CommandLineOptions cmdOptions)
        {
            try
            {
                // Show values
                string values = CommandLineOptions.GetValuesAsString(cmdOptions);
                if (values != null)
                {
                    Console.WriteLine(values);
                }
                
                // Check for errors
                var cmdError = CommandLineOptions.CheckForErrors(cmdOptions);
                if (cmdError != null)
                {
                    throw new CaeException(cmdError);
                }
                
                //
                Application.EnableVisualStyles();
                Application.SetCompatibleTextRenderingDefault(false);
                
                // 主窗口
                using (FrmMain mainForm = new FrmMain(cmdOptions))
                {
                    if (cmdOptions.ShowGui == "No")   // must be here
                    {
                        mainForm.WindowState = FormWindowState.Minimized;
                        mainForm.ShowInTaskbar = false;
                    }

                    Application.ThreadException += Application_ThreadException;
                    Application.Run(mainForm);

                    Console.WriteLine(@"----------Finished------------");
                    Console.WriteLine(@"Process finished successfully.");
                    Console.WriteLine("");
                }
            }
            catch (Exception ex)
            {
                FinishedWithException(ex);
            }
        }

        private static void Application_ThreadException(object sender, ThreadExceptionEventArgs e)
        {
            FinishedWithException(e.Exception);
        }

        private static void FinishedWithException(Exception ex)
        {
            Console.WriteLine(@"----------Error---------------");
            Console.WriteLine(ex.Message);
            Console.WriteLine(@"----------Finished------------");
            Console.WriteLine(@"Process finished with errors.");
            Console.WriteLine("");
            
            // a process remains running afer application exits
            Process.GetCurrentProcess().Kill();
        }

        private static bool IsWindowsApplication()
        {
            return GetConsoleWindow() == IntPtr.Zero;
        }
    }
}