#if UNITY_2019_4_OR_NEWER
using JetBrains.Annotations;
using UnityEditor;
using UnityEngine.UIElements;

namespace com.zibra.liquid.Foundation.UIElements
{
    /// <summary>
    /// The HelpBox component is a UI Toolkit analog for
    /// <see href="https://docs.unity3d.com/ScriptReference/EditorGUILayout.HelpBox.html">EditorGUILayout.HelpBox</see>.
    /// </summary>
    internal class HelpBox : BindableElement
    {
        /// <exclude/>
        [UsedImplicitly]
        public new class UxmlFactory : UxmlFactory<HelpBox, UxmlTraits>
        {
        }

        /// <exclude/>
        public new class UxmlTraits : BindableElement.UxmlTraits {
            readonly UxmlStringAttributeDescription m_Text = new UxmlStringAttributeDescription { name = "text" };
        readonly UxmlEnumAttributeDescription<MessageType> m_Type =
            new UxmlEnumAttributeDescription<MessageType> { name = "type" };

        public override void Init(VisualElement ve, IUxmlAttributes bag, CreationContext cc)
        {
            base.Init(ve, bag, cc);
            ((HelpBox)ve).Text = m_Text.GetValueFromBag(bag, cc);
            ((HelpBox)ve).MessageType = m_Type.GetValueFromBag(bag, cc);
        }
    }

    /// <summary>
    /// The message text.
    /// </summary>
    public string Text { get; set; }

    /// <summary>
    /// The type of message.
    /// </summary>
    public MessageType MessageType { get; set; }

    /// <summary>
    /// Creates HelpBox control.
    /// </summary>
    public HelpBox()
    {
        Add(new IMGUIContainer(() =>
                               { EditorGUILayout.HelpBox(Text, MessageType, true); }));
    }
}
}
#endif