using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UIElements;
using UnityEngine.Events;
using Sirenix.OdinInspector;
using Cursor = UnityEngine.Cursor;

#if UNITY_EDITOR
using UnityEditor;
#endif
namespace BITKit.UX
{
    public interface IPanelComponent : IActivable
    {
    }
    public class UXPanel : UXElement
    {
        [Header(Constant.Header.Components)]
        public UIDocument document;
        [Header(Constant.Header.Settings)]
        public bool cursor;
        public bool allowInput;
        public bool isAdditive;
        [Header(Constant.Header.InternalVariables)]
        IPanelComponent[] components;
        public override void OnStart()
        {
            components = GetComponentsInChildren<IPanelComponent>(true);
            document.enabled = true;
            base.OnStart();
        }
        public override void Set(bool active)
        {
            document.rootVisualElement.style.display = (active) ? DisplayStyle.Flex : DisplayStyle.None;
            if (active)
                RegisterCallback();
            else
                UnRegisterCallback();
            foreach (var x in components)
            {
                x.SetActive(active);
            }
        }
        public virtual void OnDestroyComponent() { }
        protected virtual float GetOpacity()
        {
            return document.rootVisualElement.style.opacity.value;
        }
        protected virtual void SetOpacity(float value)
        {
            document.rootVisualElement.style.opacity = new(value);
        }
        protected virtual void RegisterCallback() { }
        protected virtual void UnRegisterCallback() { }

        [BIT]
        public void Entry()
        {
            BITAppForUnity.ThrowIfNotPlaying();

            UXFramework.Enter(gameObject.name);
        }
    }

#if UNITY_EDITOR
    [CustomEditor(typeof(UXPanel), true)]
    public class UXPanelInspector : BITInspector<UXPanel>
    {

    }
#endif
}