using System;
using UnityEngine;

namespace AlicizaX.UI
{
    /// <summary>
    /// Transform 位置状态控制
    /// 控制 RectTransform 的锚点位置
    /// </summary>
    [Serializable]
    [ControlerStateName("Transform/Position")]
    [ControlerStateAttachType(true)]
    public class TransformPositionState : ControllerStateBase
    {
        [SerializeField] private Vector2 _position;
        [HideInInspector] [SerializeField] private Vector2 _defaultPosition;

        public override void Init(UXControllerStateRecorder recorder)
        {
            if (recorder != null && recorder.TryGetComponent<RectTransform>(out var rect))
            {
                _defaultPosition = rect.anchoredPosition;
            }
        }

        public override void Execute(UXControllerStateRecorder recorder, int entryIndex, int selectionIndex)
        {
            if (recorder != null && recorder.TryGetComponent<RectTransform>(out var rect))
            {
                rect.anchoredPosition = (entryIndex == selectionIndex) ? _position : _defaultPosition;
            }
        }

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

        public override string GetDescription()
        {
            return $"匹配时: 位置={_position}, 默认={_defaultPosition}";
        }
    }
}