using Core.Extensions;
using UnityEngine;

public class Enemy : Entity
{
    [Header("Targetting")]
    public Entity closestTarget;
    public float engagementRange;
    public bool detectedPlayer = false;
    [Header("Direction")]
    public float acceleration;
    public Transform[] possibleDirections;
    public float forwardPercent;
    public float strafePercent;
    private float xSign = -1f;
    private float ySign = 1f;
      private void Start()
    {
        if (Random.Range(0f, 2f) > 1f)
        {
            xSign = -xSign;
            ySign = -ySign;
        }
    }

    protected override void FixedUpdate()
    {
        if (!detectedPlayer && Vector3.Distance(transform.position, closestTarget.transform.position) < engagementRange)
        {
            detectedPlayer = true;
        }
        if (stalled || !closestTarget || !detectedPlayer)
        {
            rb.VelocityTowards(Vector2.zero.ScaleToMagnitude(speed), acceleration);
        }
        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;
                }
            }
            rb.VelocityTowards(directionToMove.ScaleToMagnitude(speed), acceleration);
            FlipSprite(directionToMove);
        }
    }
    protected override void OnKillEffects()
    {
        Destroy(gameObject);
    }
}