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

namespace DemonBoss.Summoner
{
	/// <summary>
	/// FSM Decision checking if summoner should engage in melee combat
	/// Checks: player distance, minion status, combat settings
	/// </summary>
	[CreateAssetMenu(menuName = "Invector/FSM/Decisions/Summoner/Should Melee Attack")]
	public class DEC_ShouldMeleeAttack : vStateDecision
	{
		public override string categoryName => "Summoner";
		public override string defaultName => "Should Melee Attack";

		[Header("Distance Configuration")]
		[Tooltip("Minimum distance to engage melee")]
		public float minMeleeDistance = 0f;

		[Tooltip("Maximum distance to engage melee")]
		public float maxMeleeDistance = 3f;

		[Header("Behavior")]
		[Tooltip("Attack even when minions are alive")]
		public bool attackWithMinions = false;

		[Tooltip("Force melee when player is too close, even if minions are alive")]
		public bool forceMeleeWhenTooClose = true;

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

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

			// Don't attack while spawning
			if (summoner.IsSpawning)
			{
				if (enableDebug) Debug.Log("[DEC_ShouldMeleeAttack] Currently spawning - FALSE");
				return false;
			}

			// Check distance to player
			float distance = summoner.GetDistanceToPlayer();

			bool inRange = distance >= minMeleeDistance && distance <= maxMeleeDistance;

			// Last resort: only melee when in range AND cannot spawn or cast
			bool canSpawn = summoner.CanSpawnMinions;
			bool canCast = summoner.CanCastSpell();

			if (forceMeleeWhenTooClose && inRange)
			{
				bool lastResort = !canSpawn && !canCast;
				if (enableDebug)
				{
					Debug.Log($"[DEC_ShouldMeleeAttack] Last resort check (distance {distance:F1}m, canSpawn={canSpawn}, canCast={canCast}) - {(lastResort ? "TRUE" : "FALSE")}");
				}
				return lastResort;
			}

			// Check if has minions and shouldn't attack with them
			if (!attackWithMinions && summoner.HasActiveMinions)
			{
				if (enableDebug) Debug.Log($"[DEC_ShouldMeleeAttack] Has {summoner.ActiveMinionCount} minions and attackWithMinions=false - FALSE");
				return false;
			}

			if (enableDebug)
			{
				if (inRange)
				{
					Debug.Log($"[DEC_ShouldMeleeAttack] Player in melee range ({distance:F1}m) - TRUE");
				}
				else
				{
					Debug.Log($"[DEC_ShouldMeleeAttack] Player not in melee range ({distance:F1}m, need {minMeleeDistance:F1}-{maxMeleeDistance:F1}m) - FALSE");
				}
			}

			return inRange && !canSpawn && !canCast;
		}
	}
}