using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class EnemyPathfinding : MonoBehaviour
{
    [SerializeField] private float moveSpeed = 2f;  // Speed at which the enemy moves

    private Rigidbody2D rb;  // Reference to the Rigidbody2D component for movement
    private Vector2 moveDir;  // Direction in which the enemy should move
    private Knockback knockback;  // Reference to the Knockback component
    private SpriteRenderer spriteRenderer;  // Reference to the SpriteRenderer component for flipping the sprite

    private void Awake() {
        spriteRenderer = GetComponent<SpriteRenderer>();  // Get the SpriteRenderer component attached to the enemy
        knockback = GetComponent<Knockback>();  // Get the Knockback component attached to the enemy
        rb = GetComponent<Rigidbody2D>();  // Get the Rigidbody2D component attached to the enemy
    }

    private void FixedUpdate() {
        // If the enemy is currently being knocked back, don't move
        if (knockback.GettingKnockedBack) { return; }

        // Move the enemy in the direction specified by moveDir
        rb.MovePosition(rb.position + moveDir * (moveSpeed * Time.fixedDeltaTime));

        // Flip the enemy's sprite based on the movement direction
        if (moveDir.x < 0) {
            spriteRenderer.flipX = true;  // Face left
        } else if (moveDir.x > 0) {
            spriteRenderer.flipX = false;  // Face right
        }
    }

    // Set the direction in which the enemy should move
    public void MoveTo(Vector2 targetPosition) {
        moveDir = targetPosition;
    }

    // Stop the enemy's movement
    public void StopMoving() {
        moveDir = Vector3.zero;  // Set movement direction to zero to stop movement
    }
}