using UnityEngine;

namespace KirbyAdventures
{
    /// <summary>
    /// Village gate that opens when hit by Light after the ability is unlocked.
    /// </summary>
    public class LightGate : MonoBehaviour, ILightReactive
    {
        public bool IsOpen { get; private set; }
        public Transform GateVisual;
        public float OpenHeight = 4f;
        public float OpenSpeed = 2.5f;

        Vector3 _closedPos;
        Vector3 _openPos;
        bool _opening;

        void Awake()
        {
            if (GateVisual == null)
                GateVisual = transform;
            _closedPos = GateVisual.localPosition;
            _openPos = _closedPos + Vector3.up * OpenHeight;
        }

        public void OnHitByLight(Vector3 hitPoint, Vector3 direction)
        {
            if (IsOpen) return;
            if (GameFlow.Instance != null && !GameFlow.Instance.LightAbilityUnlocked)
            {
                DialogueUI.ShowTemporary("Свет ещё спит внутри... Найди источник на тропе.", 3f);
                return;
            }

            IsOpen = true;
            _opening = true;
            DialogueUI.ShowTemporary("Свет коснулся ворот — путь в деревню открыт.", 3.5f);
            if (GameFlow.Instance != null)
                GameFlow.Instance.TriggerWin();
        }

        void Update()
        {
            if (!_opening || GateVisual == null) return;
            GateVisual.localPosition = Vector3.MoveTowards(
                GateVisual.localPosition, _openPos, OpenSpeed * Time.unscaledDeltaTime);
        }
    }
}