using Core.Extensions;
using UnityEngine;

public class RusherEnemy : Enemy
{
    private bool isRushing;
    public Vector2 lastTargetLocation;
    public Vector2 lastTargetDirection;

    protected override void Update()
    {
        base.Update();
        if (speedMultiplier <= 1.10f && closestTarget)
        {
            lastTargetLocation = closestTarget.transform.position;
            lastTargetDirection = (lastTargetLocation - (Vector2)transform.position).normalized;
        }
        
    }
    protected override void FixedUpdate() //this is really bad.
    {
        if (!detectedPlayer && Vector3.Distance(transform.position, lastTargetLocation) < engagementRange)
        {
            detectedPlayer = true;
        }
        if (stalled || !closestTarget || !detectedPlayer)
        {
            rb.VelocityTowards(Vector2.zero.ScaleToMagnitude(speed), acceleration);
        }
        else if (speed > 1.10f && closestTarget)
        {
            rb.VelocityTowards(lastTargetDirection.ScaleToMagnitude(speed * speedMultiplier), acceleration);
        }
        else
        {
            Vector2 directionToTarget = (lastTargetLocation - (Vector2)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 * speedMultiplier), acceleration);
            FlipSprite(directionToMove);
        }
    }
}