using HarmonyLib;
using QSB.DeathSync.Messages;
using QSB.Messaging;
using QSB.Patches;
using QSB.Player;
using QSB.ShipSync.TransformSync;
using System.Linq;
using UnityEngine;

namespace QSB.DeathSync.Patches;

[HarmonyPatch]
public class DeathPatches : QSBPatch
{
	public override QSBPatchTypes Type => QSBPatchTypes.OnClientConnect;

	// TODO : Remove with future functionality.
	[HarmonyPrefix]
	[HarmonyPatch(typeof(ShipEjectionSystem), nameof(ShipEjectionSystem.OnPressInteract))]
	public static bool DisableEjection()
		=> false;

	// TODO : Remove with future functionality.
	[HarmonyPrefix]
	[HarmonyPatch(typeof(ShipDetachableLeg), nameof(ShipDetachableLeg.Detach))]
	public static bool ShipDetachableLeg_Detach(out OWRigidbody __result)
	{
		__result = null;
		return false;
	}

	// TODO : Remove with future functionality.
	[HarmonyPrefix]
	[HarmonyPatch(typeof(ShipDetachableModule), nameof(ShipDetachableModule.Detach))]
	public static bool ShipDetachableModule_Detach(out OWRigidbody __result)
	{
		__result = null;
		return false;
	}

	[HarmonyPrefix]
	[HarmonyPatch(typeof(PlayerResources), nameof(PlayerResources.OnImpact))]
	public static bool PlayerResources_OnImpact(PlayerResources __instance, ImpactData impact) =>
		// don't take damage from impact in ship
		!PlayerState.IsInsideShip();

	[HarmonyPrefix]
	[HarmonyPatch(typeof(HighSpeedImpactSensor), nameof(HighSpeedImpactSensor.FixedUpdate))]
	public static bool HighSpeedImpactSensor_FixedUpdate(HighSpeedImpactSensor __instance) =>
		// don't insta-die from impact in ship
		!PlayerState.IsInsideShip();

	[HarmonyPrefix]
	[HarmonyPatch(typeof(DeathManager), nameof(DeathManager.KillPlayer))]
	private static bool DeathManager_KillPlayer(DeathManager __instance, DeathType deathType)
	{
		Original(__instance, deathType);
		return false;

		static void Original(DeathManager @this, DeathType deathType)
		{
			@this._fakeMeditationDeath = false;
			if (deathType == DeathType.Meditation && @this.CheckShouldWakeInDreamWorld())
			{
				@this._fakeMeditationDeath = true;
				OWInput.ChangeInputMode(InputMode.None);
				ReticleController.Hide();
				Locator.GetPromptManager().SetPromptsVisible(false);
				GlobalMessenger.FireEvent("FakePlayerMeditationDeath");
				return;
			}

			if (deathType == DeathType.DreamExplosion)
			{
				Achievements.Earn(Achievements.Type.EARLY_ADOPTER);
			}

			if (PlayerState.InDreamWorld() && deathType != DeathType.Dream && deathType != DeathType.DreamExplosion && deathType != DeathType.Supernova && deathType != DeathType.TimeLoop && deathType != DeathType.Meditation)
			{
				Locator.GetDreamWorldController().ExitDreamWorld(deathType);
				return;
			}

			if (!@this._isDying)
			{
				if (@this._invincible && deathType != DeathType.Supernova && deathType != DeathType.BigBang && deathType != DeathType.Meditation && deathType != DeathType.TimeLoop && deathType != DeathType.BlackHole)
				{
					return;
				}

				if (!Custom(@this, deathType))
				{
					return;
				}

				if (!TimeLoopCoreController.ParadoxExists())
				{
					var component = Locator.GetPlayerBody().GetComponent<PlayerResources>();
					if ((deathType == DeathType.TimeLoop || deathType == DeathType.Supernova) && component.GetTotalDamageThisLoop() > 1000f)
					{
						Achievements.Earn(Achievements.Type.DIEHARD);
						PlayerData.SetPersistentCondition("THERE_IS_BUT_VOID", true);
					}

					if ((TimeLoop.GetLoopCount() != 1 && TimeLoop.GetSecondsElapsed() < 60f || TimeLoop.GetLoopCount() == 1 && Time.timeSinceLevelLoad < 60f && !TimeLoop.IsTimeFlowing()) && deathType != DeathType.Meditation && LoadManager.GetCurrentScene() == OWScene.SolarSystem)
					{
						Achievements.Earn(Achievements.Type.GONE_IN_60_SECONDS);
					}

					if (TimeLoop.GetLoopCount() > 1)
					{
						Achievements.SetHeroStat(Achievements.HeroStat.TIMELOOP_COUNT, (uint)(TimeLoop.GetLoopCount() - 1));
						if (deathType == DeathType.TimeLoop || deathType == DeathType.BigBang || deathType == DeathType.Supernova)
						{
							PlayerData.CompletedFullTimeLoop();
						}
					}

					if (deathType == DeathType.Supernova && !PlayerData.GetPersistentCondition("KILLED_BY_SUPERNOVA_AND_KNOWS_IT") && PlayerData.GetFullTimeLoopsCompleted() > 2U && PlayerData.GetPersistentCondition("HAS_SEEN_SUN_EXPLODE"))
					{
						PlayerData.SetPersistentCondition("KILLED_BY_SUPERNOVA_AND_KNOWS_IT", true);
						MonoBehaviour.print("KILLED_BY_SUPERNOVA_AND_KNOWS_IT");
					}
				}

				@this._isDying = true;
				@this._deathType = deathType;
				MonoBehaviour.print("Player was killed by " + deathType);
				Locator.GetPauseCommandListener().AddPauseCommandLock();
				PlayerData.SetLastDeathType(deathType);
				GlobalMessenger<DeathType>.FireEvent("PlayerDeath", deathType);
			}
		}

		static bool Custom(DeathManager @this, DeathType deathType)
		{
			if (RespawnOnDeath.Instance == null)
			{
				return true;
			}

			if (RespawnOnDeath.Instance.AllowedDeathTypes.Contains(deathType))
			{
				return true;
			}

			if (@this.CheckShouldWakeInDreamWorld())
			{
				return true;
			}

			if (QSBPlayerManager.LocalPlayer.IsDead)
			{
				return false;
			}

			var deadPlayersCount = QSBPlayerManager.PlayerList.Count(x => x.IsDead);
			if (deadPlayersCount == QSBPlayerManager.PlayerList.Count - 1)
			{
				new EndLoopMessage().Send();
				return true;
			}

			RespawnOnDeath.Instance.ResetPlayer();

			QSBPlayerManager.LocalPlayer.IsDead = true;
			new PlayerDeathMessage(deathType).Send();

			if (PlayerAttachWatcher.Current)
			{
				PlayerAttachWatcher.Current.DetachPlayer();
			}

			return false;
		}
	}

	[HarmonyPrefix]
	[HarmonyPatch(typeof(ShipDamageController), nameof(ShipDamageController.Explode))]
	public static bool ShipDamageController_Explode()
		// prevent ship from exploding
		// todo remove this when sync ship explosions
		=> false;

	[HarmonyPrefix]
	[HarmonyPatch(typeof(DestructionVolume), nameof(DestructionVolume.VanishShip))]
	public static bool DestructionVolume_VanishShip(DestructionVolume __instance)
	{
		if (RespawnOnDeath.Instance == null)
		{
			return true;
		}

		// apparently this is to fix a weird bug when flying into the sun. idk this is 2-year-old code.
		if (!ShipTransformSync.LocalInstance.hasAuthority)
		{
			return false;
		}

		if (PlayerState.IsInsideShip() || PlayerState.UsingShipComputer() || PlayerState.AtFlightConsole())
		{
			Locator.GetDeathManager().KillPlayer(__instance._deathType);
		}

		// don't actually delete the ship to allow respawns or something

		return true;
	}
}