using Invector.vCharacterController.AI.FSMBehaviour;
using Lean.Pool;
using UnityEngine;

namespace DemonBoss.Magic
{
	/// <summary>
	/// Spawns a meteor behind the BOSS and launches it toward the player's position
	/// Similar mechanics to FireballProjectile but coming from above
	/// </summary>
	[CreateAssetMenu(menuName = "Invector/FSM/Actions/DemonBoss/Call Meteor")]
	public class SA_CallMeteor : vStateAction
	{
		public override string categoryName => "DemonBoss/Magic";
		public override string defaultName => "Call Meteor";

		[Header("Meteor Setup")]
		[Tooltip("Prefab with MeteorProjectile component")]
		public GameObject meteorPrefab;

		[Tooltip("Distance behind the BOSS to spawn meteor (meters)")]
		public float behindBossDistance = 3f;

		[Tooltip("Height above the BOSS to spawn meteor (meters)")]
		public float aboveBossHeight = 8f;

		[Tooltip("Delay before meteor spawns (wind-up)")]
		public float castDelay = 0.4f;

		[Header("Targeting")]
		[Tooltip("Tag used to find the target (usually Player)")]
		public string targetTag = "Player";

		[Header("Debug")]
		public bool enableDebug = false;

		private Transform _boss;
		private Transform _target;

		public override void DoAction(vIFSMBehaviourController fsm, vFSMComponentExecutionType execType = vFSMComponentExecutionType.OnStateUpdate)
		{
			if (execType == vFSMComponentExecutionType.OnStateEnter)
			{
				OnEnter(fsm);
			}
		}

		private void OnEnter(vIFSMBehaviourController fsm)
		{
			_boss = fsm.transform;
			_target = GameObject.FindGameObjectWithTag(targetTag)?.transform;

			if (_target == null)
			{
				if (enableDebug) Debug.LogWarning("[SA_CallMeteor] No target found – abort");
				return;
			}

			if (enableDebug) Debug.Log($"[SA_CallMeteor] Boss: {_boss.name}, Target: {_target.name}");

			SpawnMeteor();
		}

		private void SpawnMeteor()
		{
			if (meteorPrefab == null)
			{
				if (enableDebug) Debug.LogError("[SA_CallMeteor] Missing meteorPrefab");
				return;
			}

			if (_boss == null || _target == null)
			{
				if (enableDebug) Debug.LogError("[SA_CallMeteor] Missing boss or target reference");
				return;
			}

			// Calculate spawn position: behind the BOSS + height
			Vector3 bossForward = _boss.forward.normalized;
			Vector3 behindBoss = _boss.position - (bossForward * behindBossDistance);
			Vector3 spawnPos = behindBoss + Vector3.up * aboveBossHeight;

			if (enableDebug) Debug.Log($"[SA_CallMeteor] Spawning meteor at: {spawnPos}");

			// Spawn the meteor
			var meteorGO = LeanPool.Spawn(meteorPrefab, spawnPos, Quaternion.identity);

			// Configure the projectile to target the player
			var meteorScript = meteorGO.GetComponent<MeteorProjectile>();
			if (meteorScript != null)
			{
				// Set it to target the player's current position
				meteorScript.useOverrideImpactPoint = true;
				meteorScript.overrideImpactPoint = _target.position;
				meteorScript.snapImpactToGround = true;

				if (enableDebug) Debug.Log($"[SA_CallMeteor] Meteor configured to target: {_target.position}");
			}
			else
			{
				if (enableDebug) Debug.LogError("[SA_CallMeteor] Meteor prefab missing MeteorProjectile component!");
			}
		}
	}
}