using System;
using UnityEngine;
using UnityEngine.UI;
using TMPro;

namespace AlicizaX.UI
{
    /// <summary>
    /// Text 内容状态控制
    /// 控制 Text 或 TextMeshProUGUI 的文本内容
    /// </summary>
    [Serializable]
    [ControlerStateName("Text/Content")]
    [ControlerStateAttachType(true)]
    public class TextContentState : ControllerStateBase
    {
        [SerializeField] [TextArea(3, 10)] private string _text = "";

        public override void Init(UXControllerStateRecorder recorder)
        {
        }

        public override void Execute(UXControllerStateRecorder recorder, int entryIndex, int selectionIndex)
        {
            if (recorder == null || entryIndex != selectionIndex) return;

            if (recorder.TryGetComponent<Text>(out var text))
            {
                text.text = _text;
            }
            else if (recorder.TryGetComponent<TextMeshProUGUI>(out var tmp))
            {
                tmp.text = _text;
            }
        }

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

        public override string GetDescription()
        {
            string preview = _text.Length > 30 ? _text.Substring(0, 30) + "..." : _text;
            return $"匹配时: \"{preview}\"";
        }
    }
}