using UnityEngine;
using UnityEngine.UIElements;

namespace RPGCoreCommon.Helpers.Editor.UIElements
{
    [UxmlElement]
    public partial class FakeObjectField : VisualElement
    {
        private Image _objectImage;
        private Label _objectLabel;

        public FakeObjectField() : this(null) { }
        
        public FakeObjectField(string labelText = "")
        {
            var field = new VisualElement();
            field.AddToClassList("unity-object-field");
            field.AddToClassList("unity-base-field");
            field.AddToClassList("unity-base-field__aligned");
            field.style.marginLeft = field.style.marginRight = 3;

            if (!string.IsNullOrEmpty(labelText))
            {
                var label = new Label(labelText);
                label.AddToClassList("unity-label");
                label.AddToClassList("unity-base-field__label");
                field.Add(label);
            }
            
            var fieldInput = new VisualElement();
            fieldInput.AddToClassList("unity-base-field__input");
            fieldInput.AddToClassList("unity-object-field__input");
            field.Add(fieldInput);
            
            var fieldObject = new VisualElement();
            fieldObject.AddToClassList("unity-object-field__object");
            fieldInput.Add(fieldObject);
            
            _objectImage = new Image();
            _objectImage.AddToClassList("unity-object-field-display__icon");
            fieldObject.Add(_objectImage);
            
            _objectLabel = new Label();
            _objectLabel.AddToClassList("unity-object-field-display__label");
            fieldObject.Add(_objectLabel);   
            
            var fieldSelector = new VisualElement();
            fieldSelector.AddToClassList("unity-object-field__selector");
            fieldInput.Add(fieldSelector); 
            
            Add(field);
        }

        public void Set(string text, Texture image)
        {
            _objectLabel.text = text;
            _objectImage.image = image;
        }

        public void Unset()
        {
            _objectLabel.text = null;
            _objectImage.image = null;
        }
    }
}