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

namespace DemonBoss.Summoner
{
	/// <summary>
	/// FSM Decision checking if summoner can spawn minions
	/// Checks: not already spawning, minion count below max, cooldown passed
	/// </summary>
	[CreateAssetMenu(menuName = "Invector/FSM/Decisions/Summoner/Can Spawn Minions")]
	public class DEC_CanSpawnMinions : vStateDecision
	{
		public override string categoryName => "Summoner";
		public override string defaultName => "Can Spawn Minions";

		[Header("Spawn Conditions")]
		[Tooltip("Check if health is below threshold")]
		public bool checkHealthThreshold = true;

		[Tooltip("Check if minions are below max count")]
		public bool checkMinionCount = true;

		[Tooltip("Check if cooldown has passed")]
		public bool checkCooldown = true;

		[Tooltip("Cooldown between summon attempts (seconds)")]
		public float cooldownTime = 15f;

		[Header("Distance Check")]
		[Tooltip("Only spawn if player is within this distance (0 = disabled)")]
		public float maxDistanceToPlayer = 0f;

		[Tooltip("Require summoner to be at or beyond safe distance before summoning")]
		public bool requireSafeDistance = false;

		[Header("Debug")]
		[Tooltip("Enable debug logging")]
		public bool enableDebug = false;

		private string cooldownKey = "SummonMinions";

		public override bool Decide(vIFSMBehaviourController fsmBehaviour)
		{
			var summoner = fsmBehaviour.gameObject.GetComponent<SummonerAI>();
			if (summoner == null)
			{
				if (enableDebug) Debug.LogWarning("[DEC_CanSpawnMinions] No SummonerAI component found!");
				return false;
			}

			// Check if already spawning
			if (summoner.IsSpawning)
			{
				if (enableDebug) Debug.Log("[DEC_CanSpawnMinions] Already spawning - FALSE");
				return false;
			}

			// Check minion count
			if (checkMinionCount && !summoner.CanSpawnMinions)
			{
				if (enableDebug) Debug.Log($"[DEC_CanSpawnMinions] Max minions reached ({summoner.ActiveMinionCount}) - FALSE");
				return false;
			}

			// Check health threshold
			if (checkHealthThreshold && !summoner.ShouldSummonByHealth())
			{
				if (enableDebug) Debug.Log("[DEC_CanSpawnMinions] Health threshold not met - FALSE");
				return false;
			}

			// Check distance to player
			if (maxDistanceToPlayer > 0f)
			{
				float distance = summoner.GetDistanceToPlayer();
				if (distance > maxDistanceToPlayer)
				{
					if (enableDebug) Debug.Log($"[DEC_CanSpawnMinions] Player too far ({distance:F1}m) - FALSE");
					return false;
				}
			}

			if (requireSafeDistance && !summoner.IsAtSafeDistance())
			{
				if (enableDebug) Debug.Log("[DEC_CanSpawnMinions] Not at safe distance - FALSE");
				return false;
			}

			// Check cooldown
			if (checkCooldown)
			{
				string timerKey = "cooldown_" + cooldownKey;

				if (fsmBehaviour.HasTimer(timerKey))
				{
					float lastUsedTime = fsmBehaviour.GetTimer(timerKey);
					float timeSinceLastUse = Time.time - lastUsedTime;

					if (timeSinceLastUse < cooldownTime)
					{
						if (enableDebug) Debug.Log($"[DEC_CanSpawnMinions] On cooldown - {cooldownTime - timeSinceLastUse:F1}s remaining - FALSE");
						return false;
					}
				}

				// Set cooldown for next use
				fsmBehaviour.SetTimer(timerKey, Time.time);
			}

			if (enableDebug) Debug.Log("[DEC_CanSpawnMinions] All conditions met - TRUE");
			return true;
		}
	}
}