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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Console;
using Tango.Console.Network;
using Tango.Core.DI;
using Tango.FSE.Common;
using Tango.FSE.Common.Console;
using Tango.Transport;
namespace Tango.FSE.PPCConsole.ViewModels
{
/// <summary>
/// Represents the command prompt console view model.
/// </summary>
/// <seealso cref="Tango.FSE.Common.FSEViewModel" />
public class ConsoleViewVM : FSEViewModel
{
private List<ConsoleSuggestion> _lastSuggestions;
/// <summary>
/// Gets or sets the console provider.
/// </summary>
[TangoInject]
public IConsolProvider ConsoleProvider { get; set; }
private ConsoleControlVM _consoleVM;
/// <summary>
/// Gets or sets the console control view model.
/// </summary>
public ConsoleControlVM ConsoleVM
{
get { return _consoleVM; }
set { _consoleVM = value; RaisePropertyChangedAuto(); }
}
/// <summary>
/// Initializes a new instance of the <see cref="ConsoleViewVM"/> class.
/// </summary>
public ConsoleViewVM()
{
_lastSuggestions = new List<ConsoleSuggestion>();
ConsoleVM = new ConsoleControlVM();
ConsoleVM.CommandExecuting += ConsoleVM_CommandExecuting;
ConsoleVM.Clear();
}
/// <summary>
/// Called when the application has been started.
/// </summary>
public override void OnApplicationStarted()
{
ConsoleProvider.Initialized += ConsoleService_Initialized;
}
private void ConsoleService_Initialized(object sender, GetCurrentDirectoryResponse e)
{
ConsoleVM.Clear();
ConsoleVM.CurrentCommand.WorkingFolder = e.CurrentDirectory;
ConsoleVM.AppendSuggestions(e.Suggestions);
}
private async void ConsoleVM_CommandExecuting(object sender, ConsoleCommandExecutingEventArgs e)
{
try
{
var response = await ConsoleProvider.ExecuteCommand(new ConsoleCommandRequest()
{
Command = e.Command.CommandText,
WorkingFolder = e.Command.WorkingFolder,
});
_lastSuggestions = response.Suggestions;
e.Complete(new ConsoleCommandExecutionResult()
{
Output = response.Output,
Suggestions = response.Suggestions,
WorkingFolder = response.WorkingFolder
});
}
catch (TransporterDisconnectedException ex)
{
e.Complete(new ConsoleCommandExecutionResult()
{
Output = "Please connect to a machine before attempting to execute a command.",
WorkingFolder = e.Command.WorkingFolder,
Suggestions = _lastSuggestions
});
}
catch (Exception ex)
{
e.Complete(new ConsoleCommandExecutionResult()
{
Output = ex.FlattenMessage(),
WorkingFolder = e.Command.WorkingFolder,
Suggestions = _lastSuggestions
});
}
}
}
}
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