using Cysharp.Threading.Tasks;
using Mirror;
using OWML.Common;
using QSB.Animation.Player.Thrusters;
using QSB.Messaging;
using QSB.Player;
using QSB.ShipSync.Messages;
using QSB.ShipSync.TransformSync;
using QSB.ShipSync.WorldObjects;
using QSB.Utility;
using QSB.WorldSync;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using UnityEngine;

namespace QSB.ShipSync;

internal class ShipManager : WorldObjectManager
{
	public override WorldObjectScene WorldObjectScene => WorldObjectScene.SolarSystem;

	public static ShipManager Instance;

	public ShipThrusterAudio ShipThrusterAudio;
	public InteractZone HatchInteractZone;
	public HatchController HatchController;
	public ShipTractorBeamSwitch ShipTractorBeam;
	public ShipCockpitController CockpitController;
	public ShipElectricalComponent ShipElectricalComponent;
	public ShipCockpitUI ShipCockpitUI;
	private GameObject _shipCustomAttach;
	public uint CurrentFlyer
	{
		get => _currentFlyer;
		set
		{
			if (_currentFlyer != uint.MaxValue && value != uint.MaxValue)
			{
				DebugLog.ToConsole($"Warning - Trying to set current flyer while someone is still flying? Current:{_currentFlyer}, New:{value}", MessageType.Warning);
			}

			_currentFlyer = value;
		}
	}
	public bool IsShipWrecked => _shipDestroyed || ShipCockpitUI._shipDamageCtrlr.IsDestroyed();

	private readonly List<PlayerInfo> _playersInShip = new();

	private uint _currentFlyer = uint.MaxValue;
	private bool _shipDestroyed;

	public void Start()
	{
		Instance = this;
		QSBPlayerManager.OnRemovePlayer += OnRemovePlayer;
		GlobalMessenger.AddListener("ShipDestroyed", OnShipDestroyed);
	}

	public void OnDestroy()
	{
		GlobalMessenger.RemoveListener("ShipDestroyed", OnShipDestroyed);
	}

	private void OnShipDestroyed()
	{
		_shipDestroyed = true;
	}

	private void OnRemovePlayer(PlayerInfo player)
	{
		if (QSBCore.IsHost && player.PlayerId == CurrentFlyer)
		{
			new FlyShipMessage(false).Send();
		}
	}

	public override async UniTask BuildWorldObjects(OWScene scene, CancellationToken ct)
	{
		_shipDestroyed = false;

		var shipBody = Locator.GetShipBody();
		if (shipBody == null)
		{
			DebugLog.ToConsole($"Error - Couldn't find ship!", MessageType.Error);
			return;
		}

		HatchController = shipBody.GetComponentInChildren<HatchController>();
		if (HatchController == null)
		{
			DebugLog.ToConsole($"Error - Couldn't find hatch controller!", MessageType.Error);
			return;
		}

		ShipThrusterAudio = QSBWorldSync.GetUnityObject<ShipThrusterAudio>();
		HatchInteractZone = HatchController.GetComponent<InteractZone>();
		ShipTractorBeam = QSBWorldSync.GetUnityObject<ShipTractorBeamSwitch>();
		CockpitController = QSBWorldSync.GetUnityObject<ShipCockpitController>();
		ShipElectricalComponent = QSBWorldSync.GetUnityObject<ShipElectricalComponent>();
		ShipCockpitUI = QSBWorldSync.GetUnityObject<ShipCockpitUI>();

		var sphereShape = HatchController.GetComponent<SphereShape>();
		sphereShape.radius = 2.5f;
		sphereShape.center = new Vector3(0, 0, 1);

		if (QSBCore.IsHost)
		{
			if (QSBPlayerManager.LocalPlayer.TransformSync == null)
			{
				DebugLog.ToConsole($"Error - Tried to spawn ship, but LocalPlayer's TransformSync is null!", MessageType.Error);
			}

			Instantiate(QSBNetworkManager.singleton.ShipPrefab).SpawnWithServerAuthority();
		}

		QSBWorldSync.Init<QSBShipComponent, ShipComponent>();
		QSBWorldSync.Init<QSBShipHull, ShipHull>();

		_shipCustomAttach = new GameObject(nameof(ShipCustomAttach));
		_shipCustomAttach.transform.SetParent(shipBody.transform, false);
		_shipCustomAttach.AddComponent<ShipCustomAttach>();

		QSBWorldSync.Init<QSBShipLight, ShipLight>(new[]
		{
			CockpitController._headlight,
			CockpitController._landingLight,
			ShipCockpitUI._altimeterLight,
			ShipCockpitUI._landingCamScreenLight,
			ShipCockpitUI._minimapLight,
			ShipCockpitUI._minimapNorthPoleLight,
			ShipCockpitUI._minimapProbeLight,
			ShipCockpitUI._minimapShipLight,
			ShipCockpitUI._minimapSouthPoleLight,
			ShipCockpitUI._probeLauncherScreenLight,
			ShipCockpitUI._sigScopeScreenLight
		});

		QSBWorldSync.Init<QSBShipDetachableModule, ShipDetachableModule>();
		QSBWorldSync.Init<QSBShipDetachableLeg, ShipDetachableLeg>();

		// Make sure all relevant audio sources are 3D
		QSBWorldSync.GetUnityObject<ShipThrusterAudio>()._ignitionSource.spatialBlend = 1f;
		QSBWorldSync.GetUnityObject<ShipThrusterAudio>()._rotationalSource.spatialBlend = 1f;
	}

	public override void UnbuildWorldObjects()
	{
		if (QSBCore.IsHost)
		{
			if (ShipTransformSync.LocalInstance != null)
			{
				if (ShipTransformSync.LocalInstance.gameObject == null)
				{
					DebugLog.ToConsole($"Warning - ShipTransformSync's LocalInstance is not null, but it's gameobject is null!", MessageType.Warning);
					return;
				}

				NetworkServer.Destroy(ShipTransformSync.LocalInstance.gameObject);
			}
		}

		Destroy(_shipCustomAttach);
	}

	public void AddPlayerToShip(PlayerInfo player)
	{
		_playersInShip.Add(player);
		UpdateElectricalComponent();
	}

	public void RemovePlayerFromShip(PlayerInfo player)
	{
		_playersInShip.Remove(player);
		UpdateElectricalComponent();
	}

	public bool IsPlayerInShip(PlayerInfo player)
		=> _playersInShip.Contains(player);

	private void UpdateElectricalComponent()
	{
		var electricalSystem = ShipElectricalComponent._electricalSystem;
		var damaged = ShipElectricalComponent._damaged;

		if (_playersInShip.Count == 0)
		{
			if (!damaged)
			{
				electricalSystem.SetPowered(false);
			}
		}
		else
		{
			if (!damaged)
			{
				electricalSystem.SetPowered(true);
			}
		}
	}

	public void UpdateSignalscope(bool equipped)
	{
		ShipCockpitUI._displaySignalscopeScreen = equipped;
		ShipCockpitUI._shipAudioController.PlaySigScopeSlide();
	}

	public void UpdateProbeLauncher(bool equipped)
	{
		ShipCockpitUI._displayProbeLauncherScreen = equipped;
		ShipCockpitUI._shipAudioController.PlayProbeScreenMotor();
	}

	public void UpdateLandingCamera(bool on)
	{
		if (on)
		{
			EnterLandingView();
			return;
		}

		ExitLandingView();
	}

	private void EnterLandingView()
	{
		if (CockpitController._landingCam.mode == LandingCamera.Mode.Double)
		{
			CockpitController._landingCam.enabled = true;
		}

		if (CockpitController._landingCamComponent.isDamaged)
		{
			CockpitController._shipAudioController.PlayLandingCamOn(AudioType.ShipCockpitLandingCamStatic_LP);
			CockpitController._shipAudioController.PlayLandingCamStatic(0.25f);
			return;
		}

		CockpitController._shipAudioController.PlayLandingCamOn(AudioType.ShipCockpitLandingCamAmbient_LP);
		CockpitController._shipAudioController.PlayLandingCamAmbient(0.25f);
	}

	private void ExitLandingView()
	{
		CockpitController._landingCam.enabled = false;
		CockpitController._shipAudioController.PlayLandingCamOff();
	}
}