using Lean.Pool;
using UnityEngine;

namespace Ichni.Editor
{
    /// <summary>
    /// 提示文本 Drawer，支持静态文本和 Func&lt;string&gt; 动态文本。
    /// 创建 DynamicUIHintText。
    /// </summary>
    public class HintTextDrawer : IPropertyDrawer
    {
        public int DefaultSpan => 1;
        public float DefaultHeight => LayoutPacker.DefaultRowHeight;

        public DynamicUIElement Draw(DrawContext ctx)
        {
            var go = LeanPool.Spawn(ctx.Registry.GetPrefab("hintText"), ctx.Parent);
            var element = go.GetComponent<DynamicUIHintText>();

            element.Initialize(ctx.Target, string.Empty, string.Empty);

            if (ctx.DynamicText != null)
            {
                element.SetUpdatingContent(ctx.DynamicText);
            }
            else if (ctx.StaticText != null)
            {
                element.SetContent(ctx.StaticText);
            }

            int span = ctx.OverrideSpan ?? DefaultSpan;
            float height = ctx.OverrideHeight ?? DefaultHeight;
            element.SetLayoutSize(span * LayoutPacker.TotalRowWidth / LayoutPacker.MaxSpanPerRow, height);

            return element;
        }
    }
}