using System;
using UnityEngine;

namespace AlicizaX.UI
{
    /// <summary>
    /// CanvasGroup 交互状态控制
    /// 控制 CanvasGroup 的可交互性和射线检测
    /// </summary>
    [Serializable]
    [ControlerStateName("CanvasGroup/Interactable")]
    [ControlerStateAttachType(true)]
    public class CanvasGroupInteractableState : ControllerStateBase
    {
        [SerializeField] private bool _interactable = true;
        [SerializeField] private bool _blocksRaycasts = true;
        [HideInInspector] [SerializeField] private bool _defaultInteractable = true;
        [HideInInspector] [SerializeField] private bool _defaultBlocksRaycasts = true;

        public override void Init(UXControllerStateRecorder recorder)
        {
            if (recorder != null && recorder.TryGetComponent<CanvasGroup>(out var canvasGroup))
            {
                _defaultInteractable = canvasGroup.interactable;
                _defaultBlocksRaycasts = canvasGroup.blocksRaycasts;
            }
        }

        public override void Execute(UXControllerStateRecorder recorder, int entryIndex, int selectionIndex)
        {
            if (recorder != null && recorder.TryGetComponent<CanvasGroup>(out var canvasGroup))
            {
                bool isActive = (entryIndex == selectionIndex);
                canvasGroup.interactable = isActive ? _interactable : _defaultInteractable;
                canvasGroup.blocksRaycasts = isActive ? _blocksRaycasts : _defaultBlocksRaycasts;
            }
        }

        public override bool Valid(UXControllerStateRecorder recorder)
        {
            return recorder != null && recorder.GetComponent<CanvasGroup>() != null;
        }

        public override string GetDescription()
        {
            return $"匹配时: 可交互={_interactable}, 射线检测={_blocksRaycasts}";
        }
    }
}