#if UNITY_2019_4_OR_NEWER
using com.zibra.liquid.Foundation.Editor;
using JetBrains.Annotations;
using UnityEngine.UIElements;

namespace com.zibra.liquid.Foundation.UIElements
{
    /// <summary>
    /// The layout control that created a block with bold settings title and 10px intended content.
    /// </summary>
    internal class SettingsBlock : BindableElement
    {
        [UsedImplicitly]
        internal new class UxmlFactory : UxmlFactory<SettingsBlock, UxmlTraits>
        {
        }

        internal new class UxmlTraits : BindableElement.UxmlTraits {
            readonly UxmlStringAttributeDescription m_Label = new UxmlStringAttributeDescription { name = "label" };

        public override void Init(VisualElement ve, IUxmlAttributes bag, CreationContext cc)
        {
            base.Init(ve, bag, cc);
            ((SettingsBlock)ve).Label = m_Label.GetValueFromBag(bag, cc);
        }
    }

    /// <summary>
    /// Control Uss class name.
    /// </summary>
    public const string USSClassName = "zibraai-settings-block";

    /// <summary>
    /// Header Uss class name.
    /// </summary>
    public const string HeaderUssClassName = USSClassName + "__header";

    /// <summary>
    /// Content Uss class name.
    /// </summary>
    public const string ContentUssClassName = USSClassName + "__content";

    readonly Label m_Label;
    readonly VisualElement m_Container;

    public override VisualElement contentContainer => m_Container;

    /// <summary>
    /// Block header label.
    /// </summary>
    public string Label
    {
        get => m_Label.text;
        set => m_Label.text = value;
    }

    /// <summary>
    /// Creates new settings block.
    /// </summary>
    public SettingsBlock()
    {
        AddToClassList(USSClassName);
        UIToolkitEditorUtility.ApplyStyleForInternalControl(this, nameof(SettingsBlock));
        var header = new VisualElement() {
            name = "header",
        };
        header.AddToClassList(HeaderUssClassName);
        hierarchy.Add(header);

        m_Label = new Label();
        header.Add(m_Label);

        m_Container = new VisualElement() {
            name = "content",
        };

        m_Container.AddToClassList(ContentUssClassName);
        hierarchy.Add(m_Container);
    }
}
}

#endif