// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information.

using System;
using System.Text;
using System.Windows.Forms;
using IronPython.Hosting;
using IronPython.Runtime;
using Microsoft.Scripting.Hosting;
using Microsoft.Scripting.Hosting.Providers;
using Microsoft.Scripting.Hosting.Shell;

internal sealed class PythonWindowsConsoleHost : ConsoleHost {

 protected override Type Provider {
 get { return typeof(PythonContext); }
 }

 protected override CommandLine/*!*/ CreateCommandLine() {
 return new PythonCommandLine();
 }

 protected override OptionsParser/*!*/ CreateOptionsParser() {
 return new PythonOptionsParser();
 }

 protected override LanguageSetup/*!*/ CreateLanguageSetup() {
 return Python.CreateLanguageSetup(null);
 }

 protected override string/*!*/ GetHelp() {
 StringBuilder sb = new StringBuilder();

 sb.AppendLine(PythonCommandLine.GetLogoDisplay());
 PrintLanguageHelp(sb);
 sb.AppendLine();

 return sb.ToString();
 }

 protected override void ExecuteInternal() {
 var pc = HostingHelpers.GetLanguageContext(Engine) as PythonContext;
 pc.SetModuleState(typeof(ScriptEngine), Engine);
 base.ExecuteInternal();
 }

 [STAThread]
 private static int Main(string[] args) {
 if (args.Length == 0) {
 new PythonWindowsConsoleHost().PrintHelp();
 return 1;
 }

 return new PythonWindowsConsoleHost().Run(args);
 }

 protected override void PrintHelp() {
 MessageBox.Show(GetHelp(), "IronPython Window Console Help");
 }
}