using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;

namespace scripts
{
    [Transaction(TransactionMode.Manual)]
    public class InvokeRevitCommand : IExternalCommand
    {
        public Result Execute(
            ExternalCommandData commandData,
            ref string message,
            ElementSet elements)
        {
            // Get all built-in Revit postable command identifiers
            var commandEntries = new List<Dictionary<string, object>>();
            var commandIds = new Dictionary<string, RevitCommandId>();

            // Get all values from PostableCommand enum
            foreach (var commandName in Enum.GetNames(typeof(PostableCommand)))
            {
                var postableCommand = (PostableCommand)Enum.Parse(typeof(PostableCommand), commandName);
                var commandId = RevitCommandId.LookupPostableCommandId(postableCommand);

                if (commandId != null)
                {
                    commandEntries.Add(new Dictionary<string, object> { { "Command", commandName } });
                    commandIds[commandName] = commandId; // Store the command id
                }
            }

            // Use CustomGUIs.DataGrid to let user select a command
            List<string> propertyNames = new List<string> { "Command" };
            var selectedCommand = CustomGUIs.DataGrid(commandEntries, propertyNames, false).FirstOrDefault();

            if (selectedCommand != null)
            {
                string commandName = selectedCommand["Command"].ToString();
                RevitCommandId commandId = commandIds[commandName]; // Get the command id

                try
                {
                    // Invoke the selected command using PostCommand
                    commandData.Application.PostCommand(commandId);
                    return Result.Succeeded;
                }
                catch (Exception ex)
                {
                    message = $"An error occurred: {ex.Message}";
                    return Result.Failed;
                }
            }

            return Result.Failed;
        }
    }
}