using System.Collections;
using UnityEngine;
using UnityEngine.Events;

namespace Interactions
{
    public class CartInteractable : Interactable
    {
        [Header("Cart Roll Settings")]
        [Tooltip("The direction the cart will roll when interacted with.")]
        [SerializeField] private Vector3 rollDirection = Vector3.forward;

        [Tooltip("How far the cart rolls.")]
        [SerializeField] private float rollDistance = 5.0f;

        [Tooltip("Speed/Duration of the roll movement.")]
        [SerializeField] private float rollSpeed = 3.0f;

        [Tooltip("If true, can only be rolled once.")]
        [SerializeField] private bool rollOnce = true;

        [Header("Events")]
        [SerializeField] private UnityEvent onRollStart;
        [SerializeField] private UnityEvent onRollComplete;

        private bool hasRolled = false;
        private bool isRolling = false;

        public override void Interact(GameObject interactor)
        {
            if (isRolling || (hasRolled && rollOnce)) return;

            base.Interact(interactor);
            StartCoroutine(RollCartRoutine());
        }

        private IEnumerator RollCartRoutine()
        {
            isRolling = true;
            onRollStart?.Invoke();

            Vector3 startPosition = transform.position;
            // Roll in world or local direction space
            Vector3 worldRollDir = transform.TransformDirection(rollDirection.normalized);
            Vector3 targetPosition = startPosition + (worldRollDir * rollDistance);

            while (Vector3.Distance(transform.position, targetPosition) > 0.05f)
            {
                transform.position = Vector3.MoveTowards(transform.position, targetPosition, rollSpeed * Time.deltaTime);
                yield return null;
            }

            transform.position = targetPosition;
            isRolling = false;
            hasRolled = true;

            onRollComplete?.Invoke();
            Debug.Log($"[CartInteractable] Cart finished rolling to {targetPosition}");
        }
    }
}