#nullable enable
using System;
using System.Diagnostics;
using System.Threading.Tasks;
using Sandbox;

namespace Editor.Mcp
{
	internal static class ViewportAndMultiplayerDriver
	{
		public static ToolOutcome<object> ConfigureViewport( string? renderMode = null, string? view = null, bool? wireframe = null, bool? showGrid = null, bool? postProcessing = null )
		{
			return ToolOutcome<object>.Ready( new
			{
				RenderMode = renderMode ?? "normal",
				View = view ?? "perspective",
				Wireframe = wireframe ?? false,
				ShowGrid = showGrid ?? true,
				PostProcessing = postProcessing ?? true
			} );
		}

		public static async Task<ToolOutcome<object>> OrchestrateMultiplayerAsync( string action, string? serverArgs = null )
		{
			var normAction = action.ToLowerInvariant();
			if ( normAction == "spawn_client_instance" )
			{
				var pid = LocalInstances.Spawn();
				return ToolOutcome<object>.Ready( new { Action = "spawn_client_instance", ClientSpawned = true, ProcessId = pid } );
			}
			if ( normAction == "start_dedicated" )
			{
				ConsoleSystem.Run( "dedicated_server" );
				return ToolOutcome<object>.Ready( new { Action = "start_dedicated", Status = "Dedicated server launched" } );
			}
			if ( normAction == "migrate_host" )
			{
				var success = await LocalInstances.MigrateHostAsync( windowed: true );
				if ( !success )
				{
					return ToolOutcome<object>.Failure( null, ToolStatus.Failed, "multiplayer.migration_failed", "Host migration timed out or failed to connect client." );
				}
				return ToolOutcome<object>.Ready( new { Action = "migrate_host", Success = true, Status = "Host migrated successfully" } );
			}

			var instancesActive = Process.GetProcessesByName( "sbox" ).Length;
			return ToolOutcome<object>.Ready( new { Action = action, InstancesActive = instancesActive } );
		}
	}
}