using System;
using Sandbox.Diagnostics;

namespace Braxnet;

public static class GameState
{
	// public static Guid CurrentMap { get; set; }
	public static Guid CurrentMap => Game.ActiveScene?.Id ?? Guid.Empty;
	private static GameManager GameManager => Game.ActiveScene.GetAllComponents<GameManager>().FirstOrDefault();

	public static List<SceneFile> GetMaps()
	{
		// var levels = FileSystem.Mounted.FindFile( "Scenes/levels", "*.scene" );
		var levels = ResourceLibrary.GetAll<SceneFile>().Where( x => x.ResourcePath.StartsWith( "scenes/levels" ) )
			.ToList();
		return levels.ToList();
	}

	public static void LoadMap( SceneFile levelFile )
	{
		if ( CurrentMap == levelFile.Id )
		{
			XLog.Warning( $"Map {levelFile.Title} is already loaded (id: {levelFile.Id})" );
			return;
		}
		Assert.NotNull( levelFile, "Level file is null" );
		Assert.NotNull( levelFile.Title, "Level file title is null" );
		XLog.Info( $"Loading map {levelFile.Title}..." );
		// CurrentMap = levelFile.Id;
		
		/*var pkgRef = levelFile.GetReferencedPackages();
		foreach ( var p in pkgRef )
		{
			var pkg = await Package.Fetch( p, false );
			if ( pkg is not null )
			{
				Log.Info( $"Mounting package {pkg.Title}" );
				await pkg.MountAsync();
			}
		}*/
		
		var opts = new SceneLoadOptions();
		opts.SetScene( levelFile );
		opts.ShowLoadingScreen = true;
		Game.ActiveScene.Load( opts ); // TODO: s&box disconnects after loading a new scene
		Game.ActiveScene.StartLoading();
	}

	public static void LoadRandomMap()
	{
		var level = Random.Shared.FromList( GetMaps().Where( x => x.Id != CurrentMap ).ToList() );
		if ( level is null )
		{
			XLog.Error( "No more maps to load" );
			return;
		}
		LoadMap( level );
	}

	[ConCmd( "mtp_map", Help = "Load a map by name" )]
	public static void Map( string name )
	{
		if ( !Rpc.Caller.IsHost ) return;
		var level = GetMaps().FirstOrDefault( x => x.Title.ToLower().Contains( name.ToLower() ) );
		if ( level is null )
		{
			XLog.Error( $"Map '{name}' not found" );
			return;
		}

		LoadMap( level );
	}

	[ConCmd( "mtp_endround", Help = "End the current round" )]
	public static void Restart()
	{
		if ( !Rpc.Caller.IsHost ) return;
		GameManager.EndRound();
	}
	
	[ConCmd( "mtp_endgame", Help = "End the current game" )]
	public static void EndGame()
	{
		if ( !Rpc.Caller.IsHost ) return;
		GameManager.EndGame();
	}
	
}