using UnityEngine;

public class Enemy : CombatEntity
{
	[Header("Targetting")]
	public CombatEntity closestTarget; //actually get the detected target first
	public bool detectedPlayer = false;
	[Header("Direction")]
	public Transform[] possibleDirections;
	public float forwardPercent;
	public float strafePercent;
	public float directionVariance; //how much strafe/forward vary
	protected float xSign = -1f;
	protected float ySign = 1f;
	
	private void Start()
	{   
		if (Random.Range(0f, 2f) > 1f)
		{
			xSign = -xSign;
			ySign = -ySign;
		}
		float newVariance = Random.Range(-directionVariance, directionVariance);
		forwardPercent += newVariance;
		strafePercent -= newVariance;
	}

	protected override void Movement()
	{
		if (stalled || !closestTarget || !detectedPlayer || closestTarget.isSafe)
		{
			moveDirection = Vector3.zero;
		}
		else
		{
			Vector2 directionToTarget = (closestTarget.transform.position - transform.position).normalized;
			Vector2 directionToMove = directionToTarget;
			float currentHighestScore = float.NegativeInfinity;
			Vector2 strafeDirection = new Vector3(directionToTarget.y * ySign, directionToTarget.x * xSign);
			foreach (Transform direction in possibleDirections)
			{
				Vector3 directionToPoint = (direction.position - transform.position).normalized;
				float forwardScore = Vector3.Dot(directionToPoint, directionToTarget);
				float strafeScore = Vector3.Dot(directionToPoint, strafeDirection);
				float finalScore = (forwardScore * forwardPercent) + (strafeScore * strafePercent);
				//Debug.Log($"Forward: {forwardScore} Strafe: {strafeScore} Final: {finalScore}");
				if (finalScore > currentHighestScore)
				{
					//Debug.Log($"{finalScore} is higher than current score: {currentHighestScore}");
					currentHighestScore = finalScore;
					directionToMove = directionToPoint;
				}
			}

			moveDirection = directionToMove;
			//FlipSprite(directionToMove);
			// ^ add when you actually draw sprites
		}
	}
}