using System;
using UnityEngine;
using UnityEngine.UI;

namespace AlicizaX.UI
{
    /// <summary>
    /// Graphic 材质状态控制
    /// 控制 UI 图形组件的材质
    /// </summary>
    [Serializable]
    [ControlerStateName("Graphic/Material")]
    [ControlerStateAttachType(true)]
    public class GraphicMaterialState : ControllerStateBase
    {
        [SerializeField] private Material _material;
        [HideInInspector] [SerializeField] private Material _defaultMaterial;

        public override void Init(UXControllerStateRecorder recorder)
        {
            if (recorder != null && recorder.TryGetComponent<Graphic>(out var graphic))
            {
                _defaultMaterial = graphic.material;
            }
        }

        public override void Execute(UXControllerStateRecorder recorder, int entryIndex, int selectionIndex)
        {
            if (recorder != null && recorder.TryGetComponent<Graphic>(out var graphic))
            {
                graphic.material = (entryIndex == selectionIndex) ? _material : _defaultMaterial;
            }
        }

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

        public override string GetDescription()
        {
            string matched = _material != null ? _material.name : "无";
            string defaultVal = _defaultMaterial != null ? _defaultMaterial.name : "无";
            return $"匹配时: {matched}, 默认: {defaultVal}";
        }
    }
}