using System;
using System.Threading.Tasks;
using Sandbox.Utility;

namespace Sandbox;

[Title( "Connect" )]
[Category( "KPTL" )]
[Icon( "electrical_services" )]
public sealed class KPTLConnect : Component, Component.INetworkListener
{
	[Property] public bool StartServer { get; set; } = true;
	
	[Property] public GameObject PlayerPrefab { get; set; }

	[Property] public List<GameObject> SpawnPoints { get; set; }

	protected override async Task OnLoad()
	{
		if ( Scene.IsEditor )
			return;

		if ( StartServer && !Networking.IsActive )
		{
			LoadingScreen.Title = "Creating Lobby";
			await Task.DelayRealtimeSeconds( 0.1f );
			Networking.CreateLobby();
		} else if (!StartServer && !Networking.IsActive)
		{
			string lobbyId = await Http.RequestStringAsync( "https://sbox.koptilnya.xyz" );
			Networking.Connect(lobbyId);
		}
	}

	/// <summary>
	/// A client is fully connected to the server. This is called on the host.
	/// </summary>
	public void OnActive( Connection channel )
	{
		Log.Info( $"Player '{channel.DisplayName}' has joined the game" );

		if ( !PlayerPrefab.IsValid() )
			return;

		//
		// Find a spawn location for this player
		//
		var startLocation = FindSpawnLocation().WithScale( 1 );

		// Spawn this object and make the client the owner
		var player = PlayerPrefab.Clone( startLocation, name: $"Player - {channel.DisplayName}" );
		player.NetworkSpawn( channel );

		if ( Networking.IsHost )
		{
			Task.RunInThreadAsync( UpdateLobbyId );
		}
	}

	private async Task UpdateLobbyId()
	{
		await Task.DelayRealtimeSeconds( 2f );
		
		var lobbyList = await Networking.QueryLobbies();
		
		await Http.RequestAsync( $"https://sbox.koptilnya.xyz/?text={lobbyList[0].LobbyId}", "POST" );
		
		Log.Info( "Lobby ID updated successfully!" );
	}

	/// <summary>
	/// Find the most appropriate place to respawn
	/// </summary>
	Transform FindSpawnLocation()
	{
		//
		// If they have spawn point set then use those
		//
		if ( SpawnPoints is not null && SpawnPoints.Count > 0 )
		{
			return Random.Shared.FromList( SpawnPoints, default ).Transform.World;
		}

		//
		// If we have any SpawnPoint components in the scene, then use those
		//
		var spawnPoints = Scene.GetAllComponents<SpawnPoint>().ToArray();
		if ( spawnPoints.Length > 0 )
		{
			return Random.Shared.FromArray( spawnPoints ).Transform.World;
		}

		//
		// Failing that, spawn where we are
		//
		return Transform.World;
	}
}